CN1636332A - 高速率分组数据和低时延数据传输的方法和装置 - Google Patents
高速率分组数据和低时延数据传输的方法和装置 Download PDFInfo
- Publication number
- CN1636332A CN1636332A CNA018213138A CN01821313A CN1636332A CN 1636332 A CN1636332 A CN 1636332A CN A018213138 A CNA018213138 A CN A018213138A CN 01821313 A CN01821313 A CN 01821313A CN 1636332 A CN1636332 A CN 1636332A
- Authority
- CN
- China
- Prior art keywords
- data
- packet data
- information
- channel
- transmission
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 86
- 238000000034 method Methods 0.000 title claims abstract description 46
- 238000004891 communication Methods 0.000 claims abstract description 65
- 230000011664 signaling Effects 0.000 claims abstract description 41
- 230000005055 memory storage Effects 0.000 claims 2
- 230000033001 locomotion Effects 0.000 description 54
- 238000012545 processing Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 10
- 230000003139 buffering effect Effects 0.000 description 8
- 230000006870 function Effects 0.000 description 8
- 238000010606 normalization Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000003892 spreading Methods 0.000 description 4
- 230000007480 spreading Effects 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000007476 Maximum Likelihood Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 238000005311 autocorrelation function Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 238000003709 image segmentation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
- H04L1/0017—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy where the mode-switching is based on Quality of Service requirement
- H04L1/0018—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy where the mode-switching is based on Quality of Service requirement based on latency requirement
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0025—Transmission of mode-switching indication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/20—Selecting an access point
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
- Communication Control (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Radio Relay Systems (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
在无线通信系统(50)中,一种分组数据和低时延数据的组合传输的方法。在一实施例中,并行信令信道提供消息至接收机(56,58,60),指示分组数据的目标接收者。此消息也识别用于分组数据传输的传输信道。随后,各接收机选择性地只对消息识别此接收机作为目标接收者的分组信息进行解码。如果此目标接收者是另一个移动单元,则可忽略贮存在缓冲器中的数据包。在一实施例中,消息和数据包在一条并行信道上同时发送。在一实施例中,把信息缩截成高速率分组数据传输。
Description
参照有关的同时在审定的专利申请
本发明涉及下列美国专利申请:
美国专利申请08/963,386,题目为“高速率分组数据传输的方法和装置”,申请日为1997年11月3日,并转让于本受让人,此专利申请引入于此,作参考资料;和
美国专利申请09/697,372,题目为“确定高速率分组数据无线通信系统中数据速率的方法和装置”,与上文同期申请,并转让于本受让人,此专利申请引入于此,作参考资料。
领 域
本发明涉及无线数据通信。本发明尤其涉及无线通信系统中高速率分组数据和低时延数据传输的一种新的改进的方法和装置。
背 景
无线数据传输的需求增长和通过无线通信技术所取得的服务扩展导致了特种数据服务的发展。此类服务之一是指“高数据速率(HDR)”。在“TL90-54421-1 HDR空中接口技术规范”中提出一个示例性HDR型系统,上述技术规范也称“HAI技术规范”。一般HDR在无线通信系统中提供一种有效的传输分组数据的方法。在要求话音和分组数据两种服务的应用中,困难就产生了。话音系统考虑为低时延数据系统,因为话音通信是交互式的,因此是实时处理。其他低时延数据系统包括话音,多媒体和其他实时数据系统。HDR系统不是为话音通信而设计的,而是用来使数据传输最佳化的,因为HDR系统中基站通过各移动用户循环,在某一时刻仅向一个移动用户发送数据。循环在传输过程中引入时延。对数据传输来说,此类时延时可承受的,因为信息不是实时应用的。对比之下,对于话音通信,循环时延是不能接受的。
现需要一种组合系统来传送高速分组数据信息以及低时延数据,如话音信息。在此类组合系统中,更需要一种确定高速率分组数据传输的数据速率的方法。
概 述
此揭示的实施例为无线通信系统中高速率分组数据和低时延数据传输提供一种新的和改进的方法。在一实施例中,无线通信系统中一个基站首先设定低时延数据,有效地作为高优先级,然后,在满足低时延数据后,按照有用的功率来调度分组数据服务。分组数据服务在某一时刻向一个移动用户发送分组数据。另一个实施例在某一时间提供分组数据至多个移动用户,在多个用户之间分配有用功率。在某一给定的时刻,根据信道质量,选择一个用户作为目标接收者。基站确定有用功率与导频信道功率之比,并把此比值提供给所选择的移动用户。此比值也称为“业务—导频”比,或“T/P”比。移动用户利用此比值来计算数据速率和回送此信息至基站。
在一实例中,基站提供“广播—导频”比,或“B/P”比给移动用户,其中,此比值考虑广播功率即,基站总的有用的传输功率,和导频功率即,用于导频信道的广播功率的功率部分。移动用户确定从基站请求的归一化数据速率,其中归一化数据速率是B/P的函数。把归一化数据速率发送至基站并就合适的数据速率作出决定。把选择的数据速率发送至移动用户。
在一示例性实例中,使用并行的信令信道来提供T/P比信息给移动用户。使用独立的载频,或通过多种方法的任一种方法来产生独立的信道,就可实施此并行的信令信道。
根据另一个实例,T/P比是通过分组数据信息信道来提供的,其中,T/P比包括在数据包的首部中,或是与分组数据一起连续提供。另外的实例根据导频信道的SNR会实施另一种量度,以估算通信信道的SNR,其中,把量度提供至移动用户,以便确定数据速率。移动用户请求以确定的数据速率或低于确定的数据速率来进行传输。一方面,工作于多个传输信道上传输分组数据和低时延数据的无线通信系统包括在多个传输信道内的第一组信道,第一组信道指派为分组数据传输,分组数据以帧形式来传输;多个传输信道内的第二组信道,第二信道指派为低时延数据传输;多个传输信道内的信令信道,信令信道指派为信息传输,其中,各信息识别分组数据目标接收者。
按照一方面,在支持在多个传输信道上分组数据传输和低时延数据传输的无线通信系统中,一种方法包括通过一组分组数据通道来传输分组数据;通过信令信道传输与分组数据有关的控制信息,其中信令信道是分组数据信道组分开的。其中,控制信息识别有关分组数据的目标接收者。
按照另一方面,工作于通过第二组信道的至少一个信道来接收分组数据的无线装置,此无线装置包括一个工作于通过信令信道来接收信息的处理器,和从收到的信息中确定目标接收者信息的编码信息;数据速率确定单元按照目标接收者信息和编码信息,工作于计算数据速率。
附图简述
现揭示的方法和装置的特征,目的和优点从下面详述,并结合相同的参考字符可相应地识别全部的附图就可成为更显而易见,和其中:
图1示出高数据速率(HDR)协议无线通信系统的一个实施例的方块图形式;
图2示出说明如图1中的HDR系统工作的状态图;
图3以图表形式示出如图1的在HDR无线通信系统内多个分组数据用户的使用方案;
图4以图表形式示出如图1的HDR无线通信系统内用户所收到的功率。
图5按照一实施例以方块图形式示出包括低时延数据用户的HDR无线通信系统;
图6~8按照多个实施例以图表形式示出在HDR无线通信系统中由用户接收的功率;
图9按照一实施例以方块图形式示出在HDR无线通信系统中的接收机一部分;
图10按照一实施例以流程图形式示出采用信令信道的无线通信系统中处理业务数据的方法;和
图11按照一实施例以流程图形式示出无线通信系统中确定传输的数据速率的方法。
最佳实施例详述
尽管最好在一个系统中实施高速率分组数据服务和低时延话音型服务的时候,由于话音服务和数据服务之间的很大差异,故这是一个困难的任务。特别是,话音服务具有严格的和事先规定的时延要求。一般话音帧总单向时延必须小于100ms。与话音比较起来,数据时延能成为用于使数据通信系统效率最佳化的一个可变参数。按给予用户的信道条件在时间上会有变化,所以有可能根据信道条件选择较佳时间来传输分组信息。
话音和数据服务之间又一个差异是涉及话音服务要求一个固定的和共同的服务等级对所有用户。如,在数定式系统中,GOS(服务等级)要求一个固定的和相等的传输速率对所有用户,具有的时延不大于话音帧的帧差错率(FER)的最大可容许值。相比之下,对数据服务,GOS是不固定的,而是从用户至用户之间是变化的。对数据服务,GOS是一个提高数据通信系统总效率所最佳化的一个参数。数据通信系统的GOS一般定义为事先规定的数据量,以后称为数据包转移中出现的总时延。
话音服务和数据服务之间还有一个很大的差异是前者要求可靠的通信链路,在示例性CDMA通信系统中,此链路由软越区切换来提供。软越区切换可形成从2个或更多基站的冗余传输以便提供可靠性。然而,此增加的可靠性对数据传输是不需要的,因为错误地收到的数据包是可以重发的。对数据服务,用于支持软越区切换所用的发送功率可更有效地用于发送附加的数据。
与话音和其他低时延数据通信相比较,高数据速率数据通信一般使用分组交换技术来传输,而不是采用电路交换技术。把数据分组为一小批一小批,控制信息作为首部和/或尾部附加在上面。数据和控制信息的组合形成一个分组。当分组数据传输通过系统时,会引入多种时延,甚至于还包括丢失一个或多个部分。HDR和其他分组数据系统一般容许时间变化的时延的分组数据和丢失的分组数据。这就可能通过调度传输与最佳信道条件来研究分组数据系统的时延容差。在一实施例中,对多用户的传输是根据各个传输链路的质量来调度的。此传输在一个时间使用所有的有用功率来传输数据至多个用户中的一个用户。因为多个用户事先不知道目标接收者、传输调度、数据速率和/或配置信息,包括调制技术,信道编码等等,这会引入可变时延。在一实施例中,接收机请求数据速率和相应的配置,而不是各接收机估算此类信息。调度由调度算法来确定,并在同步信息中送出。
在请求数据速率之前,接收机确定最佳数据速率,其中数据速率可以是基于在用的传输功率的。数据速率正比于传输功率和信道质量。如本文中所采用的一种组合系统是能处理低时延数据和分组数据两种传输的系统。在一种能处理话音和分组数据传输的组合系统中,有用的功率和有用的数据速率随着时间话音活动而变化。接收机在确定数据速率中并不知道系统的话音活动。组合系统的一个例子是“宽带码分多址”如,1.85至1.99GHz个人通信业务(PCS)应用的W-CDMA(宽带码分多址)空中接口兼容性标准的ANSI J-STD-01建议标准,也称为“W-CDMA”。其他系统包括“CDMA 2000扩展频谱系统的TIA/EIA/IS-2000标准,也称”CDMA2000标准“或其他按用户连接系统。
符合由HAI技术规范所限定的协议的分组数据系统20示于图1。在此系统20中,基站与移动站20至28通信。各移动站26-28由一个变址值0至N来识别,N是系统20内移动站总数。示出的分组数据信道24作为1个说明可交换连接的多路复用器。基站22也可称为提供用户连接的“访问终端器件”,特别是1次一个用户。注意,访问终端一般连接至计算器件如膝上计算机或个人数字助理。访问终端也可是具有Web访问能力的蜂窝状电话。同时,分组数据信道24也可指定“访问网络”,提供分组交换数据网络和访问终端器件之间的数据连接。在一实例中,基站22连接移动站26~28至因特网。
在典型的HDR系统中,分组数据通信以一个链路对所选择的接收者而进行,其中,分组数据信道24调度多个移动站26~28,一次一个。正向通信信道是指从基站发送数据,而反向通信信道是指从移动站26~28发出数据。分组数据系统20通过实施在一给定的时间一条链路对一个用户,来调度用户。这正好相反于多链路同时保持着的低时延数据传输系统。使用单链路可使选择的链路使用较高的数据传输速率,和通过使信道条件最佳化为至少一条链路的传输最佳化。理想情况是,当信道处于最佳条件时,基站就只使用一条信道。
期望数据服务的移动站26~28用户通过“数据速率控制”(DRC)信道提供正向通信通道至基站22。用户按照收到信号的质量加以调度,其中调度要保证对用户按公正准则来加以调度。如,公正的准则可防止系统偏向那些(比起距离远的移动用户)离基站近的移动用台。请求的数据速率根据在被调度的用户所收到的信号质量。对载波对干扰比(C/I)进行测量,并用来确定通信的数据速率。
图2示出说明图1系统20的工作状态图,如符合于HAI技术规范的HDR系统工作。此状态图说明与一个移动用户MSi的工作。在状态30,标以“INIT”,基以22取得访问分组数据信道24。在此状态期间,初始化包括取得正向导频信道和同步控制。在完成初始化时,工作移至状态32,标以“IDLE”。在空间状态中,对用户的连接是关闭的,分组数据信道24等待进一步打开连接的命令。当移动站MSi在加以调度时,工作移至状态34,标以“TRANSMIT”(传送)。在状态34,与MSi进行传输,其中MSi使用反向业务信道,而基站22使用正向业务信道。如果传输或连接失败,或传输终止,则工作回到“IDLE”状态32。如果调度移动站26-28内的另一个用户,则此传输将终止。如果调度移动站26-28之外的新的用户MSj,工作就回到“INIT”(起始)状态30来建立此连接。这样,系统能调度用户26-28以及通过另外的访问网络所连接的用户。
调度用户通过多用户分集可使系统20对移动站26-28的服务最佳化。有关移动站26-29内3个移动站MSO,MSi和MSN的使用图形的例子示于图3。各用户收到的功率(按分贝计)作为时间函数加以图示。在时间t1时,MSN接收一个强的信号,而MSO和MSi收到的信号没有这么强。在时间t2时,MSi收到最强的信号,而在时间t3时,MSN收到最强的信号。因此,系统20能环绕时间t1,调度与MSN通信,环绕时间t2与MSi通信,及环绕时间t3,与MSO通信。基站至少部分是根据从各移动站26-28所收到的DRC来确定调度。
系统20内的示例性HDR传输示于图4。导频信道传输是和分组数据信道混杂在一起的。如,导频信道使用从时间t0至t1的所有有用的功率,同样从时间t2至t3。分组数据信道使用时间t1至t2的所有有用的功率和从时间t3等等。各移动站26-28根据作为由导频信道所采用的总的有用的功率来计算数据速率。数据速率与有用功率成正比。当分组数据系统20是传送分组数据至移动站26-28时,此导频信道精确地反映有用的功率计算。然而,当话音和其他低时延数据服务在一个无线通信系统中耦合时,计算就更复杂。
图5按一实施例示出CDMA无线通信系统50。基站52与多个移动用户进行通信,此基站采用的服务包括,但不限于只是低时延数据服务如,话音服务,低时延数据和分组数据服务和/或只是分组数据服务。此系统实施cdma2000兼容性协议进行发送分组数据的服务同时还与低时延数据服务一起工作。在一给定的时间,移动站58和60(MS1和MS2)只使用分组数据服务,而移动站62(MS4)只使用话音服务。基站52通过正向和反向信道72与MS4 62保持通信链路,和通过正向和反向通信70与MS3,56保持通信链路。对HDR通信,基站52通过分组数据信道54调度用户进行数据通信。还示出HDR通过信道64与MS3,56进行通信,通过信道66与MS1,58进行通信,通过信道68与MS2 60进行通信。各分组数据服务的用户在各自的DRC上提供数据速率信息至基站52。在一实施例中,系统50在一个给定的时期,调度一个分组数据。而在另一些实施例中,同时调度多个链路,其中,各个链路只使用一部分有用的功率。
按照一实施例,系统50的工作图示于图6。导频信道是链续提供的,这是一种典型的低时延数据系统。当传输起始、处理和终止时,低时延数据信道所采用的功率随时间而变化,并按照特定的通信。在导频信道和低时延数据服务都满足后,分组数据信道可采用有用的功率。分组数据信道也称“存贮的辅助信道(PSCH)”,包括在专用的和共用的信道分配后可取得的系统资源。如图6所示,动态资料的分配涉及存贮的所有专用的功率和扩频码,如沃尔什码来组成PSCH。有关PSCH可取得的最大传播功率为Iormax。
按照一实施例,PSCH信道格式限定并行的子信道,每个子信道具有唯一的扩频码。然后对一个数据帧进行编码、交错和调制。形成的信号在子信道上多路分解。在接收机上,将信号加在一起以重建帧。可变帧长度编码方案可在较低帧速率/每时间段提供较长的帧。各编码的分组分片为子分组数据,其中各子分组通过一个或多个时间段发送出去,提供增量的冗余。
与图4相比,利用HDR传输,增加低时延数据为测量可用的功率引入一个可变的层次。特别是,在只是分组数据的系统中,如图4所示,所有扩频码如沃尔什码都可应用在选择的传输链路上。当话音或低时延数据服务加到分组数据服务上时,可用的代码数成为可变的,随着时间而变化。当话音和低时延数据服务数量变化时,用于传输数据的代码数量也变化。
如图6所示,在时期从t0至t1期间对MS1加以调度,从t1至t2,对MS2加以调度。在从t2至t3时间的期间,对多个分组的数据链路加以连接,包括MS1,MS3和MS4。在从t3至t4时间期间,再次仅对MS1加以调度。如图所示,在整个时期t0至t4内,低时延数据信道能耗用的功率不断变化,影响分组数据通信可用的功率。当各移动站在接收传输前,计算数据速率时,如果有用的功率降低,而数据速率没有相应的变化,则在传输中会出现问题。为了向移动站56-60提供有关有用的功率的最新信息,基站52确定有用的功率对导频信道功率之比。此比值也称为“业务—导频比”,或“T/P”比。基站52向受调度的移动站56-60提供此比值。移动站56-60使用T/P比,连同导频信道的SNR,本文与称“导频SNR”一起,来确定数据速率。在一实施例中,导频SNR根据T/P比来加以调整,以计算“业务SNR”,其中业务SNR与数据速率相关。随后,移动站56-60发送数据速率回到基站52,作为DRC数据速率的请求。
在一实施例中,T/P比包括在分组数据的首部,或缩截为或插入至分组数据通信之间的高速率分组数据信道。如图7所示,T/P比值信息在业务前传送出去,并提供移动站56-60有关作为低时延数据信道变化结果的有用的功率的修正信息。此类变化也影响用于扩展信息信号的代码如,沃尔什码的数量。有用的功率减少和代码减少,其结果是降低数据速率。如,在一实施例中,如果有多个分组数据链路,则对于给定用户或所有用户的分组数据是在CDMA系统中相应于沃尔什码16-19的信道上传送的。
在图8所示的一个示例性实施例中,使用并行信令信道向移动用户提供T/P比信息。并行信令信道是由独立的沃尔什码所载送的低速率信道。此并行信令信道传送目标接收者,用于业务的信道和采用的编码类型。使用独立的载频,或通过可形成独立的信道的多种方法的任一种,就可实施并行的信令信道。
注意,用于特定用户的分组数据是在1个或多个事先选择的信道上传送的。如,在CDMA无线通信系统的一个实施例中,将沃尔什代码16至19赋予数据通信。在图8所示的示例性实施例中,信令信息是在具有低传输速率的独立的信道上传送的。信令信息可与数据包同时发送。信令信息指出数据包的目标接收者,数据包的传输信道和采用的编码。信令信息可用独立的沃尔什代码,或通过缩截或插入法进行分时多路复用至高速率数据中。
在一种实施例中,信令信息被编码为比数据包帧更短的帧,如首部,可使接收机解码此信令信息并作出相应的处理决定。对可能针对该接收机的接收数据进行缓冲处理,等待处理决定。如果接收机不是数据的目标接收者,则接收机就放弃缓冲的数据,或中断数据的所有处理如缓冲等。如果此信令信道不包含该接收机的数据,则此接收机放弃缓冲器,并且接收机使用信令信息中指出的参数对缓冲的数据进行解码,减少系统的任何待机时间。
在一个实施例中,将并行信令信道传送至多个用户。因为多个用户能够对各个用户之间的数据加以区别,因而多个用户中的各个用户也能接收公共分组数据。这样,通过信令信息来提供此配置信息,各用户能检索和解码此分组数据。在一实施例中,向多个用户传输消息,其中,还传送一组标识符。属于此组的移动用户事先知道此组标识符。此组标识符放在信息首部。此组标识符可以是独特的沃尔什代码或其他标识此组的手段。在一实施例中,移动用户可能属于多个组。
图9示出系统50内适合分组数据服务的移动站80的一部分。T/P比值信息提供至T/P处理器82。导频信号提供至SNR测量单元84,以计算收到的导频信号的SNR。T/P比和导频SNR的输出提供至乘法器86,以确定信息SNR。此信息SNR然后提供至数据速率相关器88,此相关器88执行从业务SNR至相关数据速率适应性变换。随后,数据速率相关器88生成通过DRC进行传输的数据速率。这部分的移动站80所执行的功能可用于专用硬件、软件、固件或它们之组合。
T/P比可用并行的信令信道来传输,如图8所示。因为接收机将根据T/P比来确定数据速率,所以信令信息不包括数据速率。接收机然后根据传送的同步信息确定数据到达时间。信令信息与数据并行地传送。在另一实例中,把信令信息穿入数据。
图10是按照一实施例示出在能够进行分组数据和低时延数据两种传输的组合的无线通信系统中处理数据的方法100。移动站接收信息帧,此帧是通过信息信道而收到的,步骤102。此信息帧在步骤104加以缓冲。缓冲可使移动站在较晚时间来处理此信息,而不至于丢失传送的数据。如,对收到的数据进行缓冲的同时,进行另外处理。或者在本实例中采用数据缓冲时延处理,直到移动站确定数据的目标接收者。目标为另外移动站的数据不予处理,并且宁可予以忽视,以节省可贵的处理能力。当移动站确认自己是目标接收者时,此缓冲的数据可用于检索和处理。缓冲的数据表示收到的射频的抽样。另外一些实例可确定传输的数据速率,而不用对信息进行缓存,其中,对接收到的信息加以处理,不用首先贮存于缓冲器中。
继续参见图10,在步骤104,移动站对有关信息帧的接收者信息进行解码。在判断方框108中,此过程判断给定的移动用户是否与此目标接收者匹配。如果不匹配,此过程继续至步骤110,以放弃缓冲的信息帧。然后,处理回到步骤102,以接收下一个信息帧。如果此移动站用户与目标接收者是匹配的,则在步骤112处对此业务信道帧进行解码,然后,处理过程回到步骤102。对一小部分传输解码并避免不必要的解码和处理的能力提高了移动用户的工作效率,并减少了相关的功耗。
图11示出按照一实施例的组合无线通信系统中确定数据速率的各种方法。在步骤122,移动站通过业务和导频信道接收信号。在步骤124,移动站根据收到的导频信号确定“导频SNR”。在此实施例中,导频信号是在指定的导频传输的唯一的信道上传送的。在另外些实例中,导频信号可以在一个或更多信道上缩截成一个或多个传输信号。在一实施例中,导频信号在不同于信息信道频率的预定频率下传送。对分组数据传输,基站和各移动站确定用于传输的数据速率。在一实施例中,基站确定传输速率,并通知移动站。在另一个实施例中,基站和移动站协商一个数据速率,其中,相互提供信息。此判断方框126按照作出的数据速率判断来分开处理流程。如果移动站作出数据速率判断,则处理过程继续进行至步骤136。如果移动站没有作出数据速率判断,则处理过程继续进行至步骤128。
在一实施例中,确定数据速率的方法包含移动站和基站的协商。在协商中,移动站确定最大可获得的数据速率。如果移动站是基站唯一的接收机,则最大可获得的数据速率可代表数据速率。在此情况下,来自基站获的总发射功率是专用于移动站的。如图所示,在步骤128,移动站接收传播-导频比,或B/P比,传播功率是基站的总发送功率。导频功率是从基站传送的导频信号所耗用的功率。移动站确定归一化数据速率,作为B/P比和导频SNR的函数。如果所有传播功率都是用于移动户和导频信号的数据业务,则归一化数据速率对应于移动用户所请求的数据速率,而忽略诸如图5所示系统50内的其他用户。换言之归一化数据速率是最大可获得的数据速率。随后,在步骤132,归一化数据速率随后通过“归一化数据速率信道(NDRC)”发送至基站。基站从各移动站接收NDRC,并为各移动用户确定相应的数据速率。然后,在步骤134,将数据速率指示符发送至各移动站。接着,处理过程继续至步骤144,并且,移动站以此数据速率接收业务,最后返回至步骤122。
B/P比表示一般随时间变化较慢的常数。基站知道总传播功率和用于导频信道的功率之比。另外的实施例施行另外的功率指示符,如,采用发送信号的能量的中外表示法,信号功率频谱密度等等。
继续参见图11,在确定数据速率的另一方法中,数据速率的判断是由移动站作出的。对于该实施例,在步骤136,移动站接收信息对导频比,即T/P比。在步骤138,移动站通过按照用于业务传输所用的功率来调整导频SNR,使用此计算的导频SNR来生成“业务SNR”。在本实例中,使用T/P比来调整导频SNR。通信SNR然后反映出使用有用的功率的业务传输的估算的SNR。在步骤140,使业务SNR与数据速率相关。业务SNR可与载波一干扰(C/I)比或其他信道质量指示符相关。在一实施例中,查找表贮存业务SNR和相关的数据速率。然后,在步骤142,在“数据请求信道”(DRC)上提供作为对基站请求的数据速率。处理过程继续至步骤144。
在另一实施例中,移动站使用收到的导频信号来估算T/P比。此收到的导频信号提供一个用于对业务信息进行解码的信道估算值。低通滤波器滤可以用来对来自收到的导频信号中的噪声分量进行滤波。滤波提供了导频信号中接收到的噪声的估算值。随后,根据滤波结果,估算T/P比。作为例子,考虑下述的系统模型:
对k=0,1,……,M-1 (1)
其中,rk t和rk p分别是在移动站处接收到的业务和导频信号。信道增益c是复数。有关业务和导频的噪声分别用nk i和nk p表示。导频和业务的集总功率(lumpedpower)分别为P和T。如上所述,
和
其中Ec t和Ec p分别表示yw和导频信道的每一片(chip)的能量,并且,其中,Gt和Gp是相应的处理增益。注意,由于都带有零均方和方差Nt的不同代码信道之间的正交性,所以噪声nk t和nk p被看作是单独。对于上述系统模型来说,业务—导频比的估算值由下式给出:
使用下列估算法可求出业务—导频比的最大似然(ML)估算值:
取近似后,(3)简化为:
其中,假设构象具有单位平均功率。
(3)和(4)式中的估算值可能较难估算,因为代表发送信号的数据序列{sk}包括在方程式内。然而,这些方程式提出
是完全可以统计的,并可用于T/P比估算法设计中。
按照一实施例,估算T/P比的算法首先用
估算
并从rk p估算噪声方差,接下来此算法定义T/P比的估算如下:
其中,(5)的估算是渐近地无偏的。注意,最佳的估算考虑测试统计数的第1动量(moment),同时(5)的估算计划估算第2阶动量。在此二方法形成的无偏的估算的同时,第2阶动量一般将引入较大的估算方差。还考虑到,使用第1阶动量,所需的数据序列是得不到的,故移动站要事先使用平列模式(constellation)的专门格式。
在另一实施例中,T/P比估算法利用
来估算
并取得经验概率密度函数(PDK)
注意,为使M足够大,xk可近似地认为是具有平均Rsk的高斯。然后,可以从xk的PDF中提取R估算值。在这方面有许多方法是从Xk的PDK中来估算R。在从PDF中提取业务—导频比中,有几个特征可加利用。如,与高SNR相关的高阶调制中,把xk组合入几个群。这些群的中心布局类似于sk的并行模式的布局。对M-PAM,M-QAM和M-PSK,一些并行模式点的间隔是相等的。注意,各群的分布近似遵循高斯PDF。利用源编码如,压缩和/或声码和信道编码等,发送的符号是大体相等。
在频域或时域中,算法继续进行。对频域分析,并行模式的数个点可排列为相等的间隔,如xk的PDF的群,表示PDF是周期性的。然后,此间隔或周期由频域分析来确定。如,通过计算PDF函数的DFT来产生直方图,此算法再找出主要周期。根据主要周期和2个并行模式点之间的周期来计算R。对M-QAM,二维PDF函数可看作是两个独立的一维函数。另外,在时域中可采用相等间隔的特性。如,通过计算PDF的自相关函数,紧跟在零偏置后的第1旁瓣的位置可提供二个相近群的中心之间的平均周期的估算。
在又一实例中,首先找出PDF群的N个中心。对于k=0,1…N-1,此方法假设估算的中心是{dk},而对于k=0,1…,N-1,构象点{ak}是同阶(order)的。应用最小平方算法,可产生下列的R估算
注意,PDF函数的中心可由多种方法来确定。
因为构象点大体上相等,故此方法是首先从PDF中找出累计概率函数(CDF)。通过对CDF应用门限的方案来实行组群。然后使用第一阶动量通过组内的平均来计算各组的中心。在另外些实施例中,可采用如在图像处理中所用的特征取出的技术,其中如,特征可以是建立在高斯PDF近似值上的峰值或模塑(template)。注意,图像分段技术如,如成群或区域生长可提供使经验的PDF的点成组的方法。比较(6)与(4),描述了成群处理和硬解码之间的相似性,其中(4)中实际信号sk是由(b)中的硬解码的符号am所替代。
在典型的HDR系统中,如图1所示的系统20,在某一时刻在基站之间建立起一条链路。在一实施例中,一种无线通信系统加以扩展,可在某一时刻支持多个用户。换言之,图5的系统50可使基站52同时发送数据至移动单元56,58和60的多个数据用户。注意,在图5中示出3个移动单元的同时,在系统50内也可以有任何数量的移动单元与基站52通信。多个用户的扩大要通过分组数据信道54提供多路通信。在一给定的时间,受到分组数据信道支持的用户称为“工作接收机”。各工作接收机对信令消息进行解码,以确定分组数据信道54的T/P比。各工作接收机处理T/P比,不考虑其他工作接收机的潜在能力。基站从各工作接收机接收数据速率请求,并按比例分配功率。
回到图1,在传统的HDR通信系统中,许多信息是事先知道的,包括,但不限于构象信息、编码方案、信道标识和传输分组数据的有用的功率。构象信息是指数字数据信息调制到载波上用于传输的调制方案。调制方案包括,但不限于“二进制相移键控”、“正交相移键控(QPSK)”、“正交幅度变换(QAM)”等等。编码方案拥有把源信息编码成数字式形式的方面,包括,但不限于“乱码编码”、“卷积编码”、“差错编码”如,循环冗余检验(CRC),速率设定等等。接收机通过DRC可请求构象和编码信息。信道标识包括,但不限于扩频通信系统中扩展代码如,沃尔什代码,并且可以包括载频。信道标识可事先确定并且是固定的。根据已知的总的有用的发送功率和已知的导频信号功率,通常用于分组数据传输的传输功率是已知的。
在1个分组数据和低时延数据的组合系统中,有些上述的信息是事先不知道的,因为这些信息受到与低时延数据所分享的有用的功率和有用的信道的变化的影响,如话音通信。下面表中作出一比较。
表1 HDR系统中可用的信息
HDR | 组合 | 组合 | |
信息 | 只有分组数据 | T/P | 信令信道 |
目标接收者 | 解码数据包 | 解码数据包 | 消息 |
构象 | DRC | DRC | DRC |
编码 | DRC | DRC | DRc |
信道 | 固定的 | 未知的 | 消息 |
数据业务功率 | 固定的 | T/P | 未知的 |
信令信道的使用,如图8所示,向接收机提供了许多信息。此消息识别目标接收者和分组数据传输用的信道。DRC信息请求数据速率,规定构象和编码。设有可用的信息功率指示符,其中在一个实例中,此指示符表示有用的信息功率与导频信号强度之比,提供了确定数据速率的量度。按照一个采用分开的并行的信令信道的实例,有关目标接收者,构象和编码的信息通过业务信道和/或DRC来传输的,同时有关数据信道和数据的业务功率是通过并行信令信道传输的。
上述的实施例和实施例组合的应用可把分组数据和低时延数据传输结合在一个无线通信系统中。如上所述,话音与分组数据的组合会在传输过程中引入变数。分开的信令信道的应用在无线通信系统中提供信息给接收机,而不会使通信质量降级。信令信道的信息可标识目标接收者信息。把有用的通信指示传输至接收机可提供有助于接收机确定从发射机来的数据速率。同样,由多接收机使用信息指示时,其中各接收机从中计算数据速率,此发射机接收有助于发射机在分配传输信道为分组数据传输至多接收机的信息。
这样,现已陈述了无线通信系统中高速率数据传输的新的和改进的方法和装置。尽管在本文中讨论的典型实施例中描述了CDMA系统,大各种实施例都可应用于所有无线按用户连接的方法。为了实行有效的通信系统,该典型实施例是针对HDR来描述的,但也可有效应用于IS-95,W-CDMA,IS-2000,GSM,TDMA等等。
本行业专业人员懂得,整个上述说明中所参照的数据,指令,命令,信息,信号,数据位,符号和片码等都可方便地由电压,电流,电磁波,磁场或粒子,光场或粒子,或任何上述组合等来表示。
这些专业人员也知道本文中所揭示的有关实施例所描述的各种图示逻辑块,模块,电路和算法步骤等均可以电子硬件,计算机软件或此二者的组合来实施。各种图示的部件,功能块,模块,电路和步骤一般均以其功能性来加以描述。功能性的实施是否采用硬件或软件,这取决于特定的应用和加上总系统上的设计制约,和如何最佳地为各个特定应用实施所陈述的功能性。
如,本文所揭示的有关实例所描述的各种图示的逻辑图,模块,电路和算法步骤等都可用下列方法来实施或完成,如数字式信号处理器(DSP),专用集成电路(ASIC),现场可编程门阵列(FPGA)或其他可编程逻辑器件,分立式门或晶体管逻辑电路,分立式硬件部件如,寄存器和先入先出型,执行1组固件指令的处理器,任何常规的可编程软件模块和处理器,或可完成本文所述的功能所设计的任何组合。处理器最好为微处理器,但在另外方法中,处理器也是一般常规的处理器,控制器,微控制器或状态机。软件模块可驻留在RAM,FLASH存贮器,ROM,电子可编程ROM,电子可擦可编程ROM,寄存器,硬盘,可取下的盘片,小型碟片ROM(CD-ROM)或本行业熟知的任何贮存媒体形式。处理器可驻留在ASIC(未示出)。ASIC可驻留在电话中(未示出)。处理器可以DSP和微处理机组合或有2只微处理机结合DSP核芯来实施。
本文所提供的最佳实例的上述说明可使本行业任何专业人员制作或利用本发明。对本行专业人员来说,这些实例的各种改进也是显而易见的,在不使用本发明技术情况下,本文限定的类属原则可应用至其他实例中。因此,本发明并不想局限于本文所示的实例,而是给予与本文所揭示的原则和新的特征相一致的最宽的范围。
Claims (17)
1.一种工作于在多个传输信道上传输分组数据和低时延数据的无线通信系统,其特征在于,此系统包含:
在多个传输信道中的第一组信道,第一组信道指派为分组数据传输,而分组数据以帧形式传送;
在多个传输信道中的第二组信道,第二组信道指派为低时延数据传输;和
在多个传输信道中的信令信道,信令信道指派为消息传输,其中,各消息识别一个分组数据目标接收者。
2.如权利要求1所述的无线通信系统,其特征在于,第一信息与有关的第1分组数据帧同时在信令信道上传送,并且中,第一消息识别与第一分组数据帧有关的第一分组数据接收者。
3.如权利要求1所述的无线通信系统,其特征在于,第一消息识别指派为传输第一分组数据的第一组信道的子组。
4.如权利要求1所述的无线通信系统,其特征在于,第一消息识别用于传输第一分组数据的编码方案。
5.一种工作于按照权利要求1的系统内的无线装置,此无线装置工作于通过第一组信道中的至少一个信道来接收分组数据和通过信令信道来接收消息,其特征在于,此无线装置包含:
一个缓冲器,它工作于贮存通过第一组信道中的至少一个信道所收到的分组数据;
一个耦合于缓冲器的处理器,此处理器用来根据接收到的消息来确定目标接收者信息;和
一个耦合于处理器的解码器,此解码器用于,如果此无线装置是目标接收者,则对收到的数据包进行解码,而如果此无线装置不是目标接收者,就无视此数据包。
6.如权利要求5所述的无线装置,其特征在于,所述目标接收者信息可识别多个接收者。
7.如权利要求6所述的无线装置,其特征在于,它还包含:
一个耦合于处理器的存贮器贮存器件,此存贮器贮存器贮存工作于控制解码器的计算机可读指令。
8.在一种无线通信系统中的方法,所述系统用来在多个传输信道上支持分组数据传输和低时延数据传输,其特征在于,所述方法包含:
通过一组分组数据信道发送分组数据;和
通过信令信道发送有关分组数据的控制信息,其中,所述信令信道是与此组分数据信道分开的,并且其中,此控制信息识别有关分组数据的目标接收者。
9.如权利要求8所述的方法,其特征在于,所述控制信息还识别分组数据的编码方案。
10.如权利要求9所述的方法,其特征在于,它还包含:
接收来自多个移动单元的数据请求;和
按照数据请求确定传输调度。
11.如权利要求10所述的方法,其特征在于,
对多个移动单元的各个单元指派优先级;和
根据所述优先级在多个移动单元中确定业务调度。
12.如权利要求11所述的方法,其特征在于,高优先级给予一个比其他多个移动单元遇到干扰较少的移动单元。
13.一种无线装置,用于通过第一组信道中的至少一个信道来接收分组数据,其特征在于,此无线装置包含:
处理器,用来通过信令信道接收信息,和从收到的信息中确定目标接收者信息和编码信息;和
数据速率确定单元,用来按照目标接收者信息和编码信息来计算数据速率。
14.如权利要求13所述的装置,其特征在于,所述装置用来在通信系统中支持高速率分组数据传输和低时延数据传输。
15.如权利要求13所述的装置,其特征在于,它还包含:
耦合于处理器的缓冲器,所述缓冲器用来存储通过第一组信道中的至少一个信道接收的分组数据;
耦合于处理器的解码器,此解码器工作于,如果无线装置是目标接收者,则对收到的数据包进行解码,而如果此无线装置不是目标接收者,则无视此数据包。
16.如权利要求13所述的装置,其特征在于,所述目标接收者信息识别多个目标接收者。
17.如权利要求13所述的装置,其特征在于,所述编码信息是由发射机事先决定的,并用于对分组数据进行编码,并且
其中,所述装置还包含:
耦合于处理器的解码器,此解码器响应于所述编码信息,对收到的分组数据进行解码。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010002953.3A CN101801099B (zh) | 2000-10-25 | 2001-10-24 | 高速率分组数据和低时延数据传输的方法和装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/697,375 US7068683B1 (en) | 2000-10-25 | 2000-10-25 | Method and apparatus for high rate packet data and low delay data transmissions |
US09/697,375 | 2000-10-25 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201010002953.3A Division CN101801099B (zh) | 2000-10-25 | 2001-10-24 | 高速率分组数据和低时延数据传输的方法和装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1636332A true CN1636332A (zh) | 2005-07-06 |
CN100593286C CN100593286C (zh) | 2010-03-03 |
Family
ID=24800897
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN01821313A Expired - Lifetime CN100593286C (zh) | 2000-10-25 | 2001-10-24 | 高速率分组数据和低时延数据传输的方法和装置 |
CN201010002953.3A Expired - Lifetime CN101801099B (zh) | 2000-10-25 | 2001-10-24 | 高速率分组数据和低时延数据传输的方法和装置 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201010002953.3A Expired - Lifetime CN101801099B (zh) | 2000-10-25 | 2001-10-24 | 高速率分组数据和低时延数据传输的方法和装置 |
Country Status (19)
Country | Link |
---|---|
US (2) | US7068683B1 (zh) |
EP (7) | EP2278846B1 (zh) |
JP (4) | JP2004514369A (zh) |
KR (1) | KR100812575B1 (zh) |
CN (2) | CN100593286C (zh) |
AT (2) | ATE481849T1 (zh) |
AU (3) | AU2002239734B2 (zh) |
BR (1) | BRPI0114861B1 (zh) |
CA (1) | CA2426905C (zh) |
DE (1) | DE60143092D1 (zh) |
ES (7) | ES2397609T3 (zh) |
HK (1) | HK1076668A1 (zh) |
IL (2) | IL155531A0 (zh) |
MX (1) | MXPA03003664A (zh) |
NO (1) | NO20031827L (zh) |
RU (2) | RU2286652C2 (zh) |
TW (1) | TW573414B (zh) |
UA (1) | UA75612C2 (zh) |
WO (1) | WO2002041509A2 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105338635A (zh) * | 2014-08-06 | 2016-02-17 | 电信科学技术研究院 | 一种业务传输的方法和设备 |
Families Citing this family (69)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7184426B2 (en) | 2002-12-12 | 2007-02-27 | Qualcomm, Incorporated | Method and apparatus for burst pilot for a time division multiplex system |
US9118387B2 (en) | 1997-11-03 | 2015-08-25 | Qualcomm Incorporated | Pilot reference transmission for a wireless communication system |
US8064409B1 (en) | 1999-08-25 | 2011-11-22 | Qualcomm Incorporated | Method and apparatus using a multi-carrier forward link in a wireless communication system |
US6621804B1 (en) | 1999-10-07 | 2003-09-16 | Qualcomm Incorporated | Method and apparatus for predicting favored supplemental channel transmission slots using transmission power measurements of a fundamental channel |
US6973098B1 (en) | 2000-10-25 | 2005-12-06 | Qualcomm, Incorporated | Method and apparatus for determining a data rate in a high rate packet data wireless communications system |
US7068683B1 (en) * | 2000-10-25 | 2006-06-27 | Qualcomm, Incorporated | Method and apparatus for high rate packet data and low delay data transmissions |
US6987778B2 (en) | 2001-05-22 | 2006-01-17 | Qualcomm Incorporated | Enhanced channel interleaving for optimized data throughput |
US7103021B2 (en) | 2001-09-25 | 2006-09-05 | Qualcomm Incorporated | Method and apparatus for communications of data rate control information in a CDMA communication system |
US20030127950A1 (en) * | 2002-01-10 | 2003-07-10 | Cheng-Hui Tseng | Mail opening bag for preventing infection of bacteria-by-mail |
US6898193B2 (en) * | 2002-06-20 | 2005-05-24 | Qualcomm, Incorporated | Adaptive gain adjustment control |
US8254358B2 (en) * | 2003-03-06 | 2012-08-28 | Ericsson Ab | Communicating a broadcast message to change data rates of mobile stations |
US7551588B2 (en) * | 2003-03-06 | 2009-06-23 | Nortel Networks Limited | Autonomous mode transmission from a mobile station |
EP1608109A1 (en) * | 2003-03-18 | 2005-12-21 | Fujitsu Limited | Transmission band assigning device |
BRPI0411458B1 (pt) * | 2003-06-16 | 2019-01-02 | Thomson Licensing | método e aparelho de codificação permitindo mudança rápida de canal de vídeo comprimido |
US7577120B2 (en) * | 2003-07-02 | 2009-08-18 | Alcatel-Lucent Usa Inc. | Allocation of power and channelization codes for data transfers |
US7630731B2 (en) * | 2003-09-08 | 2009-12-08 | Lundby Stein A | Apparatus, system, and method for managing reverse link communication |
US7724701B2 (en) * | 2003-09-30 | 2010-05-25 | Qualcomm Incorporated | Method and apparatus for controlling reverse link data rate of a mobile station in a communication system with reverse link common rate control |
KR100770842B1 (ko) * | 2003-12-10 | 2007-10-26 | 삼성전자주식회사 | 이동통신 시스템에서 이동국의 역방향 채널 정보 전송장치 및 방법 |
RU2378759C2 (ru) | 2004-03-05 | 2010-01-10 | Квэлкомм Инкорпорейтед | Способ и устройство для управления разнесением приема в беспроводной связи |
JP4438482B2 (ja) * | 2004-04-05 | 2010-03-24 | ソニー・エリクソン・モバイルコミュニケーションズ株式会社 | 受信品質推定方法および装置 |
US7742444B2 (en) | 2005-03-15 | 2010-06-22 | Qualcomm Incorporated | Multiple other sector information combining for power control in a wireless communication system |
US8842666B2 (en) | 2005-05-13 | 2014-09-23 | Qualcomm Incorporated | Methods and apparatus for packetization of content for transmission over a network |
US9055552B2 (en) | 2005-06-16 | 2015-06-09 | Qualcomm Incorporated | Quick paging channel with reduced probability of missed page |
US8750908B2 (en) | 2005-06-16 | 2014-06-10 | Qualcomm Incorporated | Quick paging channel with reduced probability of missed page |
US8838115B2 (en) * | 2005-07-20 | 2014-09-16 | Qualcomm Incorporated | Method and apparatus for expanded data rate control indices in a wireless communication system |
US7992208B2 (en) * | 2005-09-19 | 2011-08-02 | University Of Maryland | Detection of nonconforming network traffic flow aggregates for mitigating distributed denial of service attacks |
US20090207790A1 (en) | 2005-10-27 | 2009-08-20 | Qualcomm Incorporated | Method and apparatus for settingtuneawaystatus in an open state in wireless communication system |
US8923211B2 (en) | 2005-10-27 | 2014-12-30 | Qualcomm Incorporated | Method and apparatus of processing an access grant block in wireless communication systems |
WO2007052916A1 (en) | 2005-10-31 | 2007-05-10 | Lg Electronics Inc. | Method for processing control information in a wireless mobile communication system |
TWI308018B (en) * | 2005-11-23 | 2009-03-21 | Inst Information Industry | Wireless communication system, apparatus, method and computer readable medium therefor for packet transmission |
US7685392B2 (en) * | 2005-11-28 | 2010-03-23 | International Business Machines Corporation | Providing indeterminate read data latency in a memory system |
JP4527065B2 (ja) | 2006-01-17 | 2010-08-18 | 株式会社エヌ・ティ・ティ・ドコモ | 移動局、通信システム及び送信方法 |
US8208495B2 (en) | 2006-07-26 | 2012-06-26 | Qualcomm Incorporated | Data transmission with supplemental resources |
US20080062957A1 (en) * | 2006-09-11 | 2008-03-13 | Motorola, Inc. | Method and apparatus for aligned transmissions in a wireless network |
DE102006045298A1 (de) * | 2006-09-26 | 2008-03-27 | Siemens Ag | Verfahren zur Datenübertragung in einem Kommunikationsnetz |
US7852744B2 (en) * | 2006-10-03 | 2010-12-14 | Qualcomm Incorporated | Method and apparatus for channel estimation in a wireless communication device |
KR100917889B1 (ko) * | 2006-11-01 | 2009-09-16 | 삼성전자주식회사 | 무선 통신 장치 및 방법 |
KR100930265B1 (ko) * | 2006-11-16 | 2009-12-09 | 삼성전자주식회사 | 광대역 무선접속 통신시스템에서 복호를 위한 장치 및 방법 |
US7729380B2 (en) * | 2007-01-21 | 2010-06-01 | Motorola, Inc. | Method and device for selectively transmitting voice bursts and regenerated header bursts |
WO2008137607A2 (en) | 2007-05-01 | 2008-11-13 | Qualcomm Incorporated | Position location for wireless communication systems |
US8671302B2 (en) | 2007-05-14 | 2014-03-11 | Picongen Wireless, Inc. | Method and apparatus for wireless clock regeneration |
US8875193B2 (en) * | 2007-05-14 | 2014-10-28 | Sigma Group, Inc. | Wireless multimedia system |
US9119026B2 (en) | 2007-05-18 | 2015-08-25 | Qualcomm Incorporated | Enhanced pilot signal |
US8412227B2 (en) | 2007-05-18 | 2013-04-02 | Qualcomm Incorporated | Positioning using enhanced pilot signal |
US20090005102A1 (en) * | 2007-06-30 | 2009-01-01 | Suman Das | Method and Apparatus for Dynamically Adjusting Base Station Transmit Power |
US8009612B2 (en) * | 2007-07-17 | 2011-08-30 | Motorola Mobility, Inc. | Method of establishing an HRPD signal link |
US8102935B2 (en) * | 2008-05-19 | 2012-01-24 | Qualcomm Incorporated | Estimation of data-to-pilot ratio in a wireless communication system |
US20100046477A1 (en) * | 2008-08-19 | 2010-02-25 | Motorola, Inc. | Method for Hand-Over In A Heterogeneous Wireless Network |
KR101573072B1 (ko) * | 2008-08-27 | 2015-12-01 | 엘지전자 주식회사 | 무선통신 시스템에서 제어정보 전송방법 |
CN103701580B (zh) * | 2009-02-13 | 2017-07-14 | 太阳专利信托公司 | 通信装置以及通信方法 |
DK2400807T3 (en) * | 2009-02-18 | 2018-10-29 | Sun Patent Trust | SCHEDULING APPARATUS AND IDS PLANNING PROCEDURE |
US9948424B2 (en) * | 2009-04-27 | 2018-04-17 | Samsung Electronics Co., Ltd. | System and method for reducing blind decoding complexity in OFDMA-based systems |
US8811200B2 (en) | 2009-09-22 | 2014-08-19 | Qualcomm Incorporated | Physical layer metrics to support adaptive station-dependent channel state information feedback rate in multi-user communication systems |
CN102907033B (zh) * | 2010-04-01 | 2016-12-21 | 瑞典爱立信有限公司 | 移动通信网络中用于通过信号传送控制信息的系统和方法 |
US8774123B1 (en) | 2010-04-01 | 2014-07-08 | Telefonaktiebolaget L M Ericsson (Publ) | System and method for signaling control information in a mobile communication network |
JP5250061B2 (ja) * | 2011-01-07 | 2013-07-31 | 株式会社エヌ・ティ・ティ・ドコモ | 通信制御方法、移動通信システム及び移動端末装置 |
US9313744B2 (en) * | 2011-10-28 | 2016-04-12 | Qualcomm Incorporated | Method and apparatus for configuring traffic-to-pilot power ratios in heterogeneous networks |
US20130322402A1 (en) * | 2012-05-31 | 2013-12-05 | Mediatek Inc. | Method and apparatus for performing channel coding control |
US9301161B2 (en) * | 2012-07-27 | 2016-03-29 | Qualcomm Incorporated | Method and apparatus for available bandwidth estimation by a user equipment in idle and/or connected mode |
CN104685840A (zh) * | 2012-09-27 | 2015-06-03 | 日本电气株式会社 | 用于传输图像信息的方法和分组通信系统 |
EP2903224B1 (en) * | 2012-09-27 | 2018-10-24 | NEC Corporation | Method for transmitting audio information and packet communication system |
WO2014133589A1 (en) * | 2013-03-01 | 2014-09-04 | Intel Corporation | Wireless local area network (wlan) traffic offloading |
US9538439B2 (en) | 2013-05-10 | 2017-01-03 | Qualcomm Incorporated | Method and apparatus for estimating an achievable link throughput based on assistance information |
TWI632810B (zh) * | 2013-07-19 | 2018-08-11 | 新力股份有限公司 | Data generating device, data generating method, data reproducing device, and data reproducing method |
US9967070B2 (en) * | 2014-10-31 | 2018-05-08 | Qualcomm Incorporated | Pilot reconfiguration and retransmission in wireless networks |
US10104683B2 (en) | 2015-02-06 | 2018-10-16 | Qualcomm Incorporated | Parallel low latency awareness |
WO2016153130A1 (ko) * | 2015-03-23 | 2016-09-29 | 엘지전자(주) | 무선 통신 시스템에서 단말의 데이터 송수신 방법 및 장치 |
RU2659473C1 (ru) * | 2017-08-03 | 2018-07-02 | Юрий Иванович Осипов | Система передачи интернет-трафика между пользователями |
US20240015780A1 (en) * | 2020-11-06 | 2024-01-11 | Beijing Xiaomi Mobile Software Co., Ltd. | Communication method and communication device |
Family Cites Families (390)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE513414A (zh) | 1951-09-12 | |||
US3018663A (en) | 1956-09-13 | 1962-01-30 | United States Steel Corp | Furnace lining temperature-thickness measuring apparatus |
US3534264A (en) | 1966-04-15 | 1970-10-13 | Ibm | Adaptive digital communication system |
SU462292A1 (ru) | 1971-10-15 | 1975-02-28 | Предприятие П/Я А-7306 | Способ многоканальной радиосв зи |
US4047151A (en) | 1974-12-24 | 1977-09-06 | Rydbeck Nils R C | Adaptive error correcting transmission system |
US4131765A (en) | 1976-08-09 | 1978-12-26 | Kahn Leonard R | Method and means for improving the spectrum utilization of communications channels |
US4261054A (en) | 1977-12-15 | 1981-04-07 | Harris Corporation | Real-time adaptive power control in satellite communications systems |
US4256925A (en) | 1978-12-12 | 1981-03-17 | Satellite Business Systems | Capacity reallocation method and apparatus for a TDMA satellite communication network with demand assignment of channels |
US4309764A (en) | 1979-06-22 | 1982-01-05 | Bell Telephone Laboratories, Incorporated | Technique for increasing the rain margin of a satellite communication system |
JPS57159148A (en) | 1981-03-25 | 1982-10-01 | Fujitsu Ltd | Adaptive modulation system |
US4383315A (en) | 1981-07-20 | 1983-05-10 | Bell Telephone Laboratories, Incorporated | Idle time slot seizure and transmission facilities for loop communication system |
US4495619A (en) | 1981-10-23 | 1985-01-22 | At&T Bell Laboratories | Transmitter and receivers using resource sharing and coding for increased capacity |
JPS5939150A (ja) | 1982-08-27 | 1984-03-03 | Fujitsu Ltd | 通信方式 |
US4495648A (en) | 1982-12-27 | 1985-01-22 | At&T Bell Laboratories | Transmitter power control circuit |
US4547880A (en) | 1983-05-13 | 1985-10-15 | Able Computer | Communication control apparatus for digital devices |
US4491947A (en) | 1983-05-31 | 1985-01-01 | At&T Bell Laboratories | Technique for dynamic scheduling of integrated circuit- and packet-switching in a multi-beam SS/TDMA system |
US4756007A (en) | 1984-03-08 | 1988-07-05 | Codex Corporation | Adaptive communication rate modem |
US4675863A (en) | 1985-03-20 | 1987-06-23 | International Mobile Machines Corp. | Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels |
JPH0618358B2 (ja) | 1985-04-09 | 1994-03-09 | 沖電気工業株式会社 | 誤り制御符号化方式 |
EP0261112B1 (en) | 1986-03-25 | 1994-07-20 | Motorola, Inc. | Method and apparatus for controlling a tdm communication device |
JPS63184420A (ja) | 1986-09-04 | 1988-07-29 | Nippon Telegr & Teleph Corp <Ntt> | 移動通信における信号伝送方式 |
US4901307A (en) | 1986-10-17 | 1990-02-13 | Qualcomm, Inc. | Spread spectrum multiple access communication system using satellite or terrestrial repeaters |
GB8628821D0 (en) | 1986-12-02 | 1987-01-07 | Plessey Co Plc | Data transmission systems |
JPH0683103B2 (ja) | 1986-12-03 | 1994-10-19 | 富士通株式会社 | 通信方式 |
US4789983A (en) | 1987-03-05 | 1988-12-06 | American Telephone And Telegraph Company, At&T Bell Laboratories | Wireless network for wideband indoor communications |
JPS63252047A (ja) | 1987-04-08 | 1988-10-19 | Nec Corp | デイジタル無線伝送方式 |
US4785450B1 (en) | 1987-08-06 | 1999-10-12 | Interdigital Tech Corp | Apparatus and method for obtaining frequency agility in digital communication system |
US4901319A (en) | 1988-03-18 | 1990-02-13 | General Electric Company | Transmission system with adaptive interleaving |
SU1585902A1 (ru) | 1988-05-11 | 1990-08-15 | Серпуховское высшее военное командно-инженерное училище ракетных войск им.Ленинского комсомола | Многопараметрическа адаптивна система радиосв зи дл передачи дискретной информации |
US4931250A (en) | 1988-05-12 | 1990-06-05 | Codex Corporation | Multimode modem |
US5425051A (en) | 1992-11-09 | 1995-06-13 | Norand Corporation | Radio frequency communication network having adaptive parameters |
US4910794A (en) | 1988-08-04 | 1990-03-20 | Norand Corporation | Mobile radio data communication system and method |
US5003534A (en) | 1988-08-26 | 1991-03-26 | Scientific Atlanta | Link utilization control mechanism for demand assignment satellite communications network |
US4914651A (en) | 1988-09-20 | 1990-04-03 | Cellular Data, Inc. | Cellular data system |
JPH0626343B2 (ja) | 1988-12-16 | 1994-04-06 | 日本電気株式会社 | 変復調装置のデータ伝送速度自動切替方式 |
US5022046A (en) | 1989-04-14 | 1991-06-04 | The United States Of America As Represented By The Secretary Of The Air Force | Narrowband/wideband packet data communication system |
JP2733110B2 (ja) | 1989-09-19 | 1998-03-30 | 日本電信電話株式会社 | 無線信号伝送方式 |
JP2854346B2 (ja) | 1989-09-19 | 1999-02-03 | 日本電信電話株式会社 | チャネル割当方法 |
US5191583A (en) | 1989-11-03 | 1993-03-02 | Microcom Systems, Inc. | Method and apparatus for effecting efficient transmission of data |
US5485486A (en) | 1989-11-07 | 1996-01-16 | Qualcomm Incorporated | Method and apparatus for controlling transmission power in a CDMA cellular mobile telephone system |
US5267262A (en) | 1989-11-07 | 1993-11-30 | Qualcomm Incorporated | Transmitter power control system |
US5056109A (en) | 1989-11-07 | 1991-10-08 | Qualcomm, Inc. | Method and apparatus for controlling transmission power in a cdma cellular mobile telephone system |
US5101501A (en) | 1989-11-07 | 1992-03-31 | Qualcomm Incorporated | Method and system for providing a soft handoff in communications in a cdma cellular telephone system |
US5038399A (en) | 1990-05-21 | 1991-08-06 | Motorola, Inc. | Method for assigning channel reuse levels in a multi-level cellular system |
US5511073A (en) | 1990-06-25 | 1996-04-23 | Qualcomm Incorporated | Method and apparatus for the formatting of data for transmission |
US5103459B1 (en) | 1990-06-25 | 1999-07-06 | Qualcomm Inc | System and method for generating signal waveforms in a cdma cellular telephone system |
US5659569A (en) | 1990-06-25 | 1997-08-19 | Qualcomm Incorporated | Data burst randomizer |
US5568483A (en) | 1990-06-25 | 1996-10-22 | Qualcomm Incorporated | Method and apparatus for the formatting of data for transmission |
US5115429A (en) * | 1990-08-02 | 1992-05-19 | Codex Corporation | Dynamic encoding rate control minimizes traffic congestion in a packet network |
US5297192A (en) | 1990-09-28 | 1994-03-22 | At&T Bell Laboratories | Method and apparatus for remotely programming a mobile data telephone set |
IL100213A (en) | 1990-12-07 | 1995-03-30 | Qualcomm Inc | CDMA microcellular telephone system and distributed antenna system therefor |
CA2054591C (en) | 1991-02-28 | 1996-09-03 | Giovanni Vannucci | Wireless telecommunication systems |
US5235614A (en) | 1991-03-13 | 1993-08-10 | Motorola, Inc. | Method and apparatus for accommodating a variable number of communication channels in a spread spectrum communication system |
US5204876A (en) | 1991-03-13 | 1993-04-20 | Motorola, Inc. | Method and apparatus for providing high data rate traffic channels in a spread spectrum communication system |
US5400328A (en) | 1991-05-28 | 1995-03-21 | British Technology Group Ltd. | Variable data rate channels for digital networks |
SG47627A1 (en) | 1991-06-03 | 1998-04-17 | British Telecomm | Radio system |
AU671952B2 (en) | 1991-06-11 | 1996-09-19 | Qualcomm Incorporated | Variable rate vocoder |
US5195090A (en) | 1991-07-09 | 1993-03-16 | At&T Bell Laboratories | Wireless access telephone-to-telephone network interface architecture |
US5307351A (en) | 1991-08-26 | 1994-04-26 | Universal Data Systems, Inc. | Data communication apparatus for adjusting frame length and method of operating same |
US5289527A (en) | 1991-09-20 | 1994-02-22 | Qualcomm Incorporated | Mobile communications device registration method |
JP2776094B2 (ja) | 1991-10-31 | 1998-07-16 | 日本電気株式会社 | 可変変調通信方法 |
JP2554219B2 (ja) | 1991-11-26 | 1996-11-13 | 日本電信電話株式会社 | ディジタル信号の重畳伝送方式 |
DE4139665A1 (de) | 1991-12-02 | 1993-06-03 | Hoechst Ag | Verfahren zur herstellung von polymerisaten des tetrafluorethylens |
EP0548939B1 (en) | 1991-12-26 | 2000-09-13 | Nec Corporation | Transmission power control system capable of keeping signal quality constant in mobile communication network |
US5267261A (en) | 1992-03-05 | 1993-11-30 | Qualcomm Incorporated | Mobile station assisted soft handoff in a CDMA cellular communications system |
JP2882176B2 (ja) | 1992-03-26 | 1999-04-12 | 日本電気株式会社 | 時分割多重デジタル無線通信方式 |
DE4210305A1 (de) | 1992-03-30 | 1993-10-07 | Sel Alcatel Ag | Verfahren, Sender und Empfänger zur Informationsdatenübertragung mit veränderlichem Verkehrsaufkommen und Leitstation zur Koordinierung mehrerer solcher Sender und Empfänger |
US5896561A (en) | 1992-04-06 | 1999-04-20 | Intermec Ip Corp. | Communication network having a dormant polling protocol |
US5343513A (en) | 1992-04-20 | 1994-08-30 | Hughes Aircraft Company | Channel compression and dynamic repartitioning for dual mode cellular radio |
GB2268372B (en) | 1992-06-11 | 1995-11-01 | Roke Manor Research | Improvements in or relating to data transmission systems |
WO1994000178A1 (en) | 1992-06-26 | 1994-01-06 | Schneider (Usa) Inc. | Catheter with expandable wire mesh tip |
JP2596517Y2 (ja) | 1992-07-17 | 1999-06-14 | ポップリベット・ファスナー株式会社 | スタッド溶接機の制御装置 |
US5918184A (en) | 1992-09-21 | 1999-06-29 | Lucent Technologies Inc. | Method and apparatus for detecting a supervisory audio tone |
US5604744A (en) | 1992-10-05 | 1997-02-18 | Telefonaktiebolaget Lm Ericsson | Digital control channels having logical channels for multiple access radiocommunication |
FI925472L (fi) | 1992-12-01 | 1994-06-02 | Nokia Mobile Phones Ltd | Tiedonsiirtomenetelmä sekä -järjestelmä |
CA2155353C (en) | 1993-02-03 | 2000-10-24 | Paul R. Kerr | Digital media data stream network management system |
US5375123A (en) | 1993-02-05 | 1994-12-20 | Telefonakitebolaget L. M. Ericsson | Allocation of channels using interference estimation |
SE516173C2 (sv) | 1993-02-16 | 2001-11-26 | Ericsson Telefon Ab L M | Anordning för telekommunikation |
US5465388A (en) * | 1993-02-19 | 1995-11-07 | Zicker; Robert G. | Emergency cellular radiotelephone and method therefor |
US5396516A (en) | 1993-02-22 | 1995-03-07 | Qualcomm Incorporated | Method and system for the dynamic modification of control paremeters in a transmitter power control system |
AU4072193A (en) | 1993-05-27 | 1994-12-20 | Nokia Telecommunications Oy | Base station for a tdma cellular radio network |
EP0631382B1 (de) | 1993-06-25 | 2001-05-09 | Siemens Aktiengesellschaft | Verfahren zur Optimierung der automatischen Verstärkereinstellung in Funkempfängern |
AU7173694A (en) | 1993-06-25 | 1995-01-17 | Omniplex, Inc. | Determination of location using time-synchronized cell site transmissions |
MY112371A (en) | 1993-07-20 | 2001-05-31 | Qualcomm Inc | System and method for orthogonal spread spectrum sequence generation in variable data rate systems |
US5870393A (en) | 1995-01-20 | 1999-02-09 | Hitachi, Ltd. | Spread spectrum communication system and transmission power control method therefor |
ZA946674B (en) | 1993-09-08 | 1995-05-02 | Qualcomm Inc | Method and apparatus for determining the transmission data rate in a multi-user communication system |
US5404376A (en) | 1993-09-09 | 1995-04-04 | Ericsson-Ge Mobile Communications Inc. | Navigation assistance for call handling in mobile telephone systems |
US5412687A (en) | 1993-10-15 | 1995-05-02 | Proxim Incorporated | Digital communications equipment using differential quaternary frequency shift keying |
US5471497A (en) | 1993-11-01 | 1995-11-28 | Zehavi; Ephraim | Method and apparatus for variable rate signal transmission in a spread spectrum communication system using coset coding |
US6005856A (en) | 1993-11-01 | 1999-12-21 | Omnipoint Corporation | Communication protocol for spread spectrum wireless communication system |
US6088590A (en) | 1993-11-01 | 2000-07-11 | Omnipoint Corporation | Method and system for mobile controlled handoff and link maintenance in spread spectrum communication |
US5383219A (en) | 1993-11-22 | 1995-01-17 | Qualcomm Incorporated | Fast forward link power control in a code division multiple access system |
US5594720A (en) | 1993-11-24 | 1997-01-14 | Lucent Technologies Inc. | Multiple access cellular communication with dynamic slot allocation and reduced co-channel interferences |
IT1261365B (it) | 1993-12-02 | 1996-05-20 | Cselt Centro Studi Lab Telecom | Procedimento e dispositivo per il controllo di potenza nella tratta stazione base-mezzo mobile di un sistema radiomobile con accesso a divisione di codice |
US5418813A (en) | 1993-12-06 | 1995-05-23 | Motorola, Inc. | Method and apparatus for creating a composite waveform |
US5559789A (en) | 1994-01-31 | 1996-09-24 | Matsushita Electric Industrial Co., Ltd. | CDMA/TDD Radio Communication System |
US5469471A (en) | 1994-02-01 | 1995-11-21 | Qualcomm Incorporated | Method and apparatus for providing a communication link quality indication |
US5491837A (en) | 1994-03-07 | 1996-02-13 | Ericsson Inc. | Method and system for channel allocation using power control and mobile-assisted handover measurements |
US5666378A (en) | 1994-03-18 | 1997-09-09 | Glenayre Electronics, Inc. | High performance modem using pilot symbols for equalization and frame synchronization |
FR2718306B1 (fr) | 1994-03-31 | 1996-04-26 | Alcatel Mobile Comm France | Procédé d'adaptation de l'interface air, dans un système de radiocommunication vers des mobiles. |
US5764699A (en) | 1994-03-31 | 1998-06-09 | Motorola, Inc. | Method and apparatus for providing adaptive modulation in a radio communication system |
US5497395A (en) | 1994-04-04 | 1996-03-05 | Qualcomm Incorporated | Method and apparatus for modulating signal waveforms in a CDMA communication system |
JP3302168B2 (ja) | 1994-04-05 | 2002-07-15 | 株式会社東芝 | 移動無線通信システム |
FR2718906B1 (fr) | 1994-04-13 | 1996-05-24 | Alcatel Mobile Comm France | Procédé d'adaptation de l'interface air, dans un système de radiocommunication avec des mobiles, station de base, station mobile et mode de transmission correspondants. |
US5434860A (en) | 1994-04-20 | 1995-07-18 | Apple Computer, Inc. | Flow control for real-time data streams |
FI96468C (fi) | 1994-05-11 | 1996-06-25 | Nokia Mobile Phones Ltd | Liikkuvan radioaseman kanavanvaihdon ohjaaminen ja lähetystehon säätäminen radiotietoliikennejärjestelmässä |
US5442625A (en) | 1994-05-13 | 1995-08-15 | At&T Ipm Corp | Code division multiple access system providing variable data rate access to a user |
US5638412A (en) | 1994-06-15 | 1997-06-10 | Qualcomm Incorporated | Method for providing service and rate negotiation in a mobile communication system |
US5553075A (en) | 1994-06-22 | 1996-09-03 | Ericsson Ge Mobile Communications Inc. | Packet data protocol for wireless communication |
US5621752A (en) | 1994-06-23 | 1997-04-15 | Qualcomm Incorporated | Adaptive sectorization in a spread spectrum communication system |
DE69534987T2 (de) | 1994-06-23 | 2006-09-21 | Ntt Docomo Inc. | CDMA Demodulationsschaltung und Demodulationsverfahren |
US5603096A (en) | 1994-07-11 | 1997-02-11 | Qualcomm Incorporated | Reverse link, closed loop power control in a code division multiple access system |
SE503893C2 (sv) | 1994-07-15 | 1996-09-30 | Ericsson Telefon Ab L M | Förfarande och anordning för frekvenshoppning i ett radiokommunikationssystem |
US5604730A (en) | 1994-07-25 | 1997-02-18 | Qualcomm Incorporated | Remote transmitter power control in a contention based multiple access system |
US5697053A (en) | 1994-07-28 | 1997-12-09 | Lucent Technologies Inc. | Method of power control and cell site selection |
US5530700A (en) | 1994-07-29 | 1996-06-25 | Motorola, Inc. | Method and device for controlling time slot contention to provide fairness between a plurality of types of subscriber units in a communication system |
US5822318A (en) | 1994-07-29 | 1998-10-13 | Qualcomm Incorporated | Method and apparatus for controlling power in a variable rate communication system |
US5706145A (en) | 1994-08-25 | 1998-01-06 | Hindman; Carl L. | Apparatus and methods for audio tape indexing with data signals recorded in the guard band |
US5579306A (en) | 1994-09-01 | 1996-11-26 | Ericsson Inc. | Time and frequency slot allocation system and method |
US5614914A (en) | 1994-09-06 | 1997-03-25 | Interdigital Technology Corporation | Wireless telephone distribution system with time and space diversity transmission for determining receiver location |
JP3215018B2 (ja) | 1994-09-09 | 2001-10-02 | 三菱電機株式会社 | 移動通信システム |
US5537410A (en) | 1994-09-15 | 1996-07-16 | Oki Telecom | Subsequent frame variable data rate indication method |
FI96557C (fi) | 1994-09-27 | 1996-07-10 | Nokia Telecommunications Oy | Menetelmä datasiirtoa varten TDMA-matkaviestinjärjestelmässä sekä menetelmän toteuttava matkaviestinjärjestelmä |
US5621723A (en) | 1994-09-27 | 1997-04-15 | Gte Laboratories Incorporated | Power control in a CDMA network |
US5710768A (en) | 1994-09-30 | 1998-01-20 | Qualcomm Incorporated | Method of searching for a bursty signal |
US5528593A (en) | 1994-09-30 | 1996-06-18 | Qualcomm Incorporated | Method and apparatus for controlling power in a variable rate communication system |
US5822359A (en) | 1994-10-17 | 1998-10-13 | Motorola, Inc. | Coherent random access channel in a spread-spectrum communication system and method |
US5533004A (en) | 1994-11-07 | 1996-07-02 | Motorola, Inc. | Method for providing and selecting amongst multiple data rates in a time division multiplexed system |
US5682605A (en) | 1994-11-14 | 1997-10-28 | 989008 Ontario Inc. | Wireless communication system |
JP2596392B2 (ja) | 1994-11-16 | 1997-04-02 | 日本電気株式会社 | データレート検出器 |
US5612948A (en) | 1994-11-18 | 1997-03-18 | Motorola, Inc. | High bandwidth communication network and method |
JPH08149176A (ja) | 1994-11-18 | 1996-06-07 | Hitachi Denshi Ltd | 復調器 |
US5577022A (en) | 1994-11-22 | 1996-11-19 | Qualcomm Incorporated | Pilot signal searching technique for a cellular communications system |
JP2655108B2 (ja) | 1994-12-12 | 1997-09-17 | 日本電気株式会社 | Cdma送受信装置 |
US5649290A (en) | 1994-12-14 | 1997-07-15 | Lucent Technologies Inc. | Handover method based upon channel quality |
US5603093A (en) | 1994-12-28 | 1997-02-11 | Ntt Mobile Communications Network, Inc. | Method for monitoring the state of interference by a base station of a mobile radio communication system |
FI100077B (fi) | 1995-01-04 | 1997-09-15 | Nokia Telecommunications Oy | Johdottoman tilaajaliitännän toteuttava radiojärjestelmä |
US5654979A (en) | 1995-01-13 | 1997-08-05 | Qualcomm Incorporated | Cell site demodulation architecture for a spread spectrum multiple access communication systems |
JPH08256102A (ja) | 1995-01-19 | 1996-10-01 | Sony Corp | セルラーシステム |
JPH08223624A (ja) | 1995-02-15 | 1996-08-30 | Nec Corp | 無線選択呼出受信機及び無線データ伝送方式 |
ES2166842T3 (es) | 1995-02-24 | 2002-05-01 | Roke Manor Research | Sistemas de radio movil celular de acceso multiple por division de codigo. |
US5546411A (en) | 1995-02-28 | 1996-08-13 | Motorola, Inc. | Method and apparatus for adaptively selecting a communication strategy in a selective call radio communication system |
NO301257B1 (no) | 1995-03-02 | 1997-09-29 | Elkem Materials | Fremgangsmåte og anordning for fremstilling av selvbakende karbonelektrode |
US5933787A (en) | 1995-03-13 | 1999-08-03 | Qualcomm Incorporated | Method and apparatus for performing handoff between sectors of a common base station |
US5634195A (en) | 1995-03-27 | 1997-05-27 | Telefonaktiebolaget Lm Ericsson | System and method for setting of output power parameters in a cellular mobile telecommunication system |
JP3231575B2 (ja) | 1995-04-18 | 2001-11-26 | 三菱電機株式会社 | 無線データ伝送装置 |
US5896368A (en) | 1995-05-01 | 1999-04-20 | Telefonaktiebolaget Lm Ericsson | Multi-code compressed mode DS-CDMA systems and methods |
FI100575B (fi) | 1995-05-17 | 1997-12-31 | Nokia Mobile Phones Ltd | Menetelmä kanavanvaihdon ja yhteydenmuodostuksen luotettavuuden parant amiseksi sekä solukkoradiojärjestelmä |
EP0743800A3 (en) | 1995-05-17 | 1999-01-27 | NEC Corporation | Paging system capable of calling pagers of different bit rates with efficient use of radio channels |
US5802046A (en) | 1995-06-05 | 1998-09-01 | Omnipoint Corporation | Efficient time division duplex communication system with interleaved format and timing adjustment control |
US5530693A (en) | 1995-06-06 | 1996-06-25 | Averbuch; Rod | Method and apparatus for performing handoff in a packet data communication system |
US5764687A (en) | 1995-06-20 | 1998-06-09 | Qualcomm Incorporated | Mobile demodulator architecture for a spread spectrum multiple access communication system |
US6131015A (en) | 1995-06-21 | 2000-10-10 | Motorola, Inc. | Two-way communication system for performing dynamic channel control |
US5726978A (en) | 1995-06-22 | 1998-03-10 | Telefonaktiebolaget L M Ericsson Publ. | Adaptive channel allocation in a frequency division multiplexed system |
JP2863993B2 (ja) | 1995-06-22 | 1999-03-03 | 松下電器産業株式会社 | Cdma無線多重送信装置およびcdma無線多重伝送装置およびcdma無線受信装置およびcdma無線多重送信方法 |
KR0142497B1 (ko) | 1995-06-23 | 1998-08-01 | 양승택 | 역방향 링크에 버스트 파일럿을 갖는 채널구조 |
JP2798012B2 (ja) | 1995-07-14 | 1998-09-17 | 日本電気株式会社 | 基地局送信電力制御装置および方法 |
JP2968706B2 (ja) | 1995-07-26 | 1999-11-02 | 日本電気エンジニアリング株式会社 | 移動無線機 |
US6115429A (en) * | 1995-08-04 | 2000-09-05 | Huang; Shih-Wei | Data receiving method for receiving data through predetermined clear zones of a powerline |
JP3212238B2 (ja) | 1995-08-10 | 2001-09-25 | 株式会社日立製作所 | 移動通信システムおよび移動端末装置 |
US5680395A (en) | 1995-08-15 | 1997-10-21 | Qualcomm Incorporated | Method and apparatus for time division duplex pilot signal generation |
FR2738094B1 (fr) | 1995-08-21 | 1997-09-26 | France Telecom | Procede et dispositif de modification de la demodulation coherente d'un systeme multiporteuse pour diminuer le biais introduit par une distorsion blanche en frequence |
US6356555B1 (en) | 1995-08-25 | 2002-03-12 | Terayon Communications Systems, Inc. | Apparatus and method for digital data transmission using orthogonal codes |
US5793759A (en) | 1995-08-25 | 1998-08-11 | Terayon Corporation | Apparatus and method for digital data transmission over video cable using orthogonal cyclic codes |
US5974106A (en) | 1995-09-01 | 1999-10-26 | Motorola, Inc. | Method and apparatus for multirate data communications |
US5768533A (en) | 1995-09-01 | 1998-06-16 | National Semiconductor Corporation | Video coding using segmented frames and retransmission to overcome channel errors |
JP2762965B2 (ja) | 1995-09-04 | 1998-06-11 | 日本電気株式会社 | 基地局送信電力制御方式 |
US5950124A (en) | 1995-09-06 | 1999-09-07 | Telxon Corporation | Cellular communication system with dynamically modified data transmission parameters |
JP3200547B2 (ja) | 1995-09-11 | 2001-08-20 | 株式会社日立製作所 | Cdma方式移動通信システム |
JPH0993652A (ja) | 1995-09-20 | 1997-04-04 | Sony Corp | 移動通信方法及び移動通信システム |
ES2276408T3 (es) | 1995-09-22 | 2007-06-16 | Pacific Communication Sciences, Inc. | Sistema de comunicacion celular y procedimiento con multiples tasas de codificacion. |
US5729557A (en) | 1995-10-12 | 1998-03-17 | Pacific Communication Systems, Inc. | Cellular communication system with multiple code rates |
US5701294A (en) | 1995-10-02 | 1997-12-23 | Telefonaktiebolaget Lm Ericsson | System and method for flexible coding, modulation, and time slot allocation in a radio telecommunications network |
US5734646A (en) | 1995-10-05 | 1998-03-31 | Lucent Technologies Inc. | Code division multiple access system providing load and interference based demand assignment service to users |
JP2739850B2 (ja) | 1995-10-11 | 1998-04-15 | 日本電気株式会社 | 移動体通信システム |
US6577618B2 (en) * | 1995-10-18 | 2003-06-10 | Telefonaktiebolaget L.M. Ericsson (Publ) | Packet control channel feedback support for contention and reservation based access |
US5757813A (en) | 1995-10-18 | 1998-05-26 | Telefonaktiebolaget Lm Ericsson | Method for achieving optimal channel coding in a communication system |
DE59611313D1 (de) | 1995-10-23 | 2006-01-26 | Siemens Ag | Verfahren und Anordnung zur Übertragung von Daten zwischen einem zellular aufgebauten Mobilfunknetz und einer Funkteilnehmerstation |
US5764899A (en) | 1995-11-13 | 1998-06-09 | Motorola, Inc. | Method and apparatus for communicating an optimized reply |
US5757810A (en) | 1995-11-24 | 1998-05-26 | Telefonaktiebolaget Lm Ericsson | Transmission link supervision in radiocommunication systems |
JP3078216B2 (ja) | 1995-12-13 | 2000-08-21 | 株式会社エヌ・ティ・ティ・ドコモ | 基地局選択方法 |
US5748677A (en) | 1996-01-16 | 1998-05-05 | Kumar; Derek D. | Reference signal communication method and system |
US6999438B2 (en) | 1996-01-18 | 2006-02-14 | Kabushiki Kaisha Toshiba | Radio communication system |
US5781583A (en) | 1996-01-19 | 1998-07-14 | Motorola, Inc. | Method and system for communication over multiple channels in a spread spectrum communication system |
US5757367A (en) | 1996-02-06 | 1998-05-26 | Motorola, Inc. | Numbering scheme for dynamic error encoding and method therefore |
US5774809A (en) | 1996-02-12 | 1998-06-30 | Nokia Mobile Phones Limited | Simplified mobile assisted handoff of signal between cells |
FI113320B (fi) | 1996-02-19 | 2004-03-31 | Nokia Corp | Menetelmä tiedonsiirron tehostamiseksi |
JP2934185B2 (ja) | 1996-03-15 | 1999-08-16 | 松下電器産業株式会社 | Cdmaセルラ無線基地局装置および移動局装置および送信方法 |
US5699365A (en) | 1996-03-27 | 1997-12-16 | Motorola, Inc. | Apparatus and method for adaptive forward error correction in data communications |
US5737327A (en) | 1996-03-29 | 1998-04-07 | Motorola, Inc. | Method and apparatus for demodulation and power control bit detection in a spread spectrum communication system |
US6134215A (en) | 1996-04-02 | 2000-10-17 | Qualcomm Incorpoated | Using orthogonal waveforms to enable multiple transmitters to share a single CDM channel |
US5745480A (en) | 1996-04-03 | 1998-04-28 | Adicom Wireless, Inc. | Multi-rate wireless communications system |
US5842113A (en) | 1996-04-10 | 1998-11-24 | Lucent Technologies Inc. | Method and apparatus for controlling power in a forward link of a CDMA telecommunications system |
US5862132A (en) | 1996-04-22 | 1999-01-19 | Motorola, Inc. | System and method for multiple access short message communications |
US6308072B1 (en) | 1996-04-26 | 2001-10-23 | Motorola, Inc. | Method and apparatus for controlling a wireless communication system |
DE19616829C1 (de) | 1996-04-26 | 1997-04-24 | Siemens Ag | System zur Funkübertragung digitaler Signale zwischen mehreren Teilnehmerstationen und einer Basisstation |
US5799005A (en) | 1996-04-30 | 1998-08-25 | Qualcomm Incorporated | System and method for determining received pilot power and path loss in a CDMA communication system |
US5930288A (en) * | 1996-05-06 | 1999-07-27 | Motorola, Inc. | Time-shared lock indicator circuit and method for power control and traffic channel decoding in a radio receiver |
US6137839A (en) | 1996-05-09 | 2000-10-24 | Texas Instruments Incorporated | Variable scaling of 16-bit fixed point fast fourier forward and inverse transforms to improve precision for implementation of discrete multitone for asymmetric digital subscriber loops |
US5937357A (en) | 1996-05-15 | 1999-08-10 | Nec Corporation | Network comprising base stations for selectivity calling mobile units by call radio signals of different bit rates in phase coincidence |
JP2785804B2 (ja) | 1996-05-30 | 1998-08-13 | 日本電気株式会社 | 移動通信システム |
US6097704A (en) | 1996-06-28 | 2000-08-01 | Harris Corporation | System for communicating digital information between a base unit and plural mobile units |
US5771461A (en) | 1996-06-28 | 1998-06-23 | Motorola, Inc. | Method and apparatus for power control of a first channel based on a signal quality of a second channel |
JP2839014B2 (ja) | 1996-07-05 | 1998-12-16 | 日本電気株式会社 | 符号分割多重方式セルラシステムの送信電力制御方法 |
US5805585A (en) | 1996-08-22 | 1998-09-08 | At&T Corp. | Method for providing high speed packet data services for a wireless system |
US5940765A (en) | 1996-08-30 | 1999-08-17 | Telefonaktiebolaget Lm Ericsson | Radio communications systems and methods for jittered beacon transmission |
US6236365B1 (en) | 1996-09-09 | 2001-05-22 | Tracbeam, Llc | Location of a mobile station using a plurality of commercial wireless infrastructures |
US5901142A (en) | 1996-09-18 | 1999-05-04 | Motorola, Inc. | Method and apparatus for providing packet data communications to a communication unit in a radio communication system |
JPH1098763A (ja) | 1996-09-20 | 1998-04-14 | Oki Electric Ind Co Ltd | パイロット信号の基地局間同期方法及び回路 |
US5790534A (en) | 1996-09-20 | 1998-08-04 | Nokia Mobile Phones Limited | Load control method and apparatus for CDMA cellular system having circuit and packet switched terminals |
US5903554A (en) | 1996-09-27 | 1999-05-11 | Qualcomm Incorporation | Method and apparatus for measuring link quality in a spread spectrum communication system |
JP3720141B2 (ja) | 1996-10-01 | 2005-11-24 | 松下電器産業株式会社 | 移動体通信方法およびその装置 |
US5751725A (en) | 1996-10-18 | 1998-05-12 | Qualcomm Incorporated | Method and apparatus for determining the rate of received data in a variable rate communication system |
US5946621A (en) | 1996-10-28 | 1999-08-31 | Northern Telecom Limited | Method of optimizing neighbor set during soft handoff of a mobile unit in a CDMA cellular environment |
US6496543B1 (en) | 1996-10-29 | 2002-12-17 | Qualcomm Incorporated | Method and apparatus for providing high speed data communications in a cellular environment |
US5872775A (en) | 1996-10-30 | 1999-02-16 | Qualcomm Incorporated | Method and apparatus for performing rate determination |
US5914959A (en) | 1996-10-31 | 1999-06-22 | Glenayre Electronics, Inc. | Digital communications system having an automatically selectable transmission rate |
US5850605A (en) | 1996-11-05 | 1998-12-15 | Motorola, Inc. | Method and apparatus for dynamically grouping transmitters for message transmission in a communication system |
US5933462A (en) | 1996-11-06 | 1999-08-03 | Qualcomm Incorporated | Soft decision output decoder for decoding convolutionally encoded codewords |
US6101180A (en) | 1996-11-12 | 2000-08-08 | Starguide Digital Networks, Inc. | High bandwidth broadcast system having localized multicast access to broadcast content |
US6091737A (en) | 1996-11-15 | 2000-07-18 | Multi-Tech Systems, Inc. | Remote communications server system |
JP3444114B2 (ja) | 1996-11-22 | 2003-09-08 | ソニー株式会社 | 通信方法、基地局及び端末装置 |
US5956642A (en) | 1996-11-25 | 1999-09-21 | Telefonaktiebolaget L M Ericsson | Adaptive channel allocation method and apparatus for multi-slot, multi-carrier communication system |
US5960350A (en) | 1996-12-05 | 1999-09-28 | Motorola, Inc. | Method and system for optimizing a traffic channel in a wireless communications system |
JPH10173594A (ja) | 1996-12-06 | 1998-06-26 | Hitachi Ltd | 符号分割多元接続通信システム及び送信電力制御方法 |
US6137991A (en) | 1996-12-19 | 2000-10-24 | Ericsson Telefon Ab L M | Estimating downlink interference in a cellular communications system |
JP3311951B2 (ja) | 1996-12-20 | 2002-08-05 | 富士通株式会社 | 符号多重送信装置 |
AU6092098A (en) | 1996-12-28 | 1998-07-31 | Aerostar Coatings, S.L. | Self sustained detonation apparatus |
US5953325A (en) | 1997-01-02 | 1999-09-14 | Telefonaktiebolaget L M Ericsson (Publ) | Forward link transmission mode for CDMA cellular communications system using steerable and distributed antennas |
US6173007B1 (en) | 1997-01-15 | 2001-01-09 | Qualcomm Inc. | High-data-rate supplemental channel for CDMA telecommunications system |
US5963548A (en) | 1997-01-21 | 1999-10-05 | Nokia Mobile Phones Limited | Apparatus and method for configuring a data channel for symmetric/asymmetric data transmission |
US6151502A (en) | 1997-01-29 | 2000-11-21 | Qualcomm Incorporated | Method and apparatus for performing soft hand-off in a wireless communication system |
US5933421A (en) | 1997-02-06 | 1999-08-03 | At&T Wireless Services Inc. | Method for frequency division duplex communications |
US6335922B1 (en) | 1997-02-11 | 2002-01-01 | Qualcomm Incorporated | Method and apparatus for forward link rate scheduling |
US5878038A (en) | 1997-02-28 | 1999-03-02 | Motorola, Inc. | Method in a wireless code division multiple access communication system for delivering a message to a mobile communication unit |
US5943331A (en) | 1997-02-28 | 1999-08-24 | Interdigital Technology Corporation | Orthogonal code synchronization system and method for spread spectrum CDMA communications |
US6073025A (en) | 1997-03-26 | 2000-06-06 | Nortel Networks Corporation | Base station power control during a soft hand-off |
US5848357A (en) | 1997-03-31 | 1998-12-08 | Motorola, Inc. | Method and apparatus in a radio communication system for implementing a frequency reuse plan |
US6175550B1 (en) | 1997-04-01 | 2001-01-16 | Lucent Technologies, Inc. | Orthogonal frequency division multiplexing system with dynamically scalable operating parameters and method thereof |
US5923650A (en) | 1997-04-08 | 1999-07-13 | Qualcomm Incorporated | Method and apparatus for reverse link rate scheduling |
US5914950A (en) | 1997-04-08 | 1999-06-22 | Qualcomm Incorporated | Method and apparatus for reverse link rate scheduling |
JP3349918B2 (ja) | 1997-04-09 | 2002-11-25 | 沖電気工業株式会社 | 通信システム、送信装置及び受信装置 |
US6052594A (en) | 1997-04-30 | 2000-04-18 | At&T Corp. | System and method for dynamically assigning channels for wireless packet communications |
FI972039A (fi) | 1997-05-13 | 1998-11-14 | Nokia Telecommunications Oy | Menetelmä pakettivälitteiseen tiedonsiirtoon |
US5974305A (en) * | 1997-05-15 | 1999-10-26 | Nokia Mobile Phones Limited | Dual band architectures for mobile stations |
WO1998052307A1 (fr) | 1997-05-16 | 1998-11-19 | Ntt Mobile Communications Network Inc. | Procedes et dispositifs d'emission et de reception a debit variable |
US6347217B1 (en) | 1997-05-22 | 2002-02-12 | Telefonaktiebolaget Lm Ericsson (Publ) | Link quality reporting using frame erasure rates |
US6178448B1 (en) | 1997-06-18 | 2001-01-23 | International Business Machines Corporation | Optimal link scheduling for multiple links by obtaining and utilizing link quality information |
EP0918410A4 (en) | 1997-06-20 | 2000-01-19 | Mitsubishi Electric Corp | METHOD AND DEVICE FOR TRANSMITTING AT VARIABLE SPEED |
SE518224C2 (sv) | 1997-06-24 | 2002-09-10 | Ericsson Telefon Ab L M | Sätt och system i ett cellbaserat nät |
US6426960B2 (en) | 1997-06-24 | 2002-07-30 | Qualcomm Incorporated | Increased capacity data transmission in a CDMA wireless communication system |
US6320851B1 (en) | 1997-06-26 | 2001-11-20 | Samsung Electronics Co., Ltd. | Asymmetric channel allocation for a mobile station in a CDMA communication network |
US6137789A (en) | 1997-06-26 | 2000-10-24 | Nokia Mobile Phones Limited | Mobile station employing selective discontinuous transmission for high speed data services in CDMA multi-channel reverse link configuration |
US6393005B1 (en) | 1997-06-27 | 2002-05-21 | Nec Corporation | Method of controlling transmitting power of a base station in a CDMA mobile communication system |
US6222875B1 (en) * | 1997-07-11 | 2001-04-24 | Telefonaktiebolaget Lm Ericsson (Publ) | Low-delay rate detection for variable rate communication systems |
US5946356A (en) | 1997-07-16 | 1999-08-31 | Motorola, Inc. | Method and apparatus for data transmission within a broad-band communications system |
CA2239524C (en) | 1997-07-25 | 2002-08-13 | Samsung Electronics Co., Ltd. | Complemental service providing device and method in communications system |
JPH1146196A (ja) | 1997-07-25 | 1999-02-16 | Fujitsu Ltd | 通信機器及び通信端末及びプログラム記録媒体 |
JPH1146198A (ja) * | 1997-07-25 | 1999-02-16 | Nec Corp | ポーリング方法及び方式 |
US6219343B1 (en) | 1997-07-29 | 2001-04-17 | Nokia Mobile Phones Ltd. | Rate control techniques for efficient high speed data services |
US6038263A (en) | 1997-07-31 | 2000-03-14 | Motorola, Inc. | Method and apparatus for transmitting signals in a communication system |
AP1142A (en) * | 1997-08-01 | 2003-01-31 | Salbu Res And Development Proprietary Limited | Power adaption in a multi-station network. |
US6175590B1 (en) | 1997-08-08 | 2001-01-16 | Qualcomm Inc. | Method and apparatus for determining the rate of received data in a variable rate communication system |
KR100369794B1 (ko) | 1997-08-18 | 2003-04-11 | 삼성전자 주식회사 | 이동통신시스템의송신장치의대역확산신호발생장치및방법 |
US6108374A (en) | 1997-08-25 | 2000-08-22 | Lucent Technologies, Inc. | System and method for measuring channel quality information |
US6167031A (en) | 1997-08-29 | 2000-12-26 | Telefonaktiebolaget Lm Ericsson (Publ) | Method for selecting a combination of modulation and channel coding schemes in a digital communication system |
US6173005B1 (en) | 1997-09-04 | 2001-01-09 | Motorola, Inc. | Apparatus and method for transmitting signals in a communication system |
US6285655B1 (en) | 1997-09-08 | 2001-09-04 | Qualcomm Inc. | Method and apparatus for providing orthogonal spot beams, sectors, and picocells |
US6377809B1 (en) | 1997-09-16 | 2002-04-23 | Qualcomm Incorporated | Channel structure for communication systems |
US6389066B1 (en) | 1997-09-21 | 2002-05-14 | Lucent Technologies Inc. | System and method for adaptive modification of modulated and coded schemes in a communication system |
JPH1198574A (ja) | 1997-09-24 | 1999-04-09 | Toyota Motor Corp | 移動体用無線通信システムおよびそのシステムに用いられる無線通信移動局 |
US6711415B1 (en) | 1997-10-03 | 2004-03-23 | Nortel Networks Limited | Method and system for minimizing transmitter power levels within a cellular telephone communications network |
WO1999018684A1 (en) | 1997-10-03 | 1999-04-15 | Anglin Richard Jr | Interactive digital data broadcasting system |
US5946346A (en) * | 1997-10-07 | 1999-08-31 | Motorola, Inc. | Method and system for generating a power control command in a wireless communication system |
US6810030B1 (en) | 1997-10-17 | 2004-10-26 | Lucent Technology | Dynamic and smart spreading for wideband CDMA |
US9118387B2 (en) | 1997-11-03 | 2015-08-25 | Qualcomm Incorporated | Pilot reference transmission for a wireless communication system |
US7184426B2 (en) | 2002-12-12 | 2007-02-27 | Qualcomm, Incorporated | Method and apparatus for burst pilot for a time division multiplex system |
US7289473B1 (en) | 1997-11-03 | 2007-10-30 | Qualcomm Incorporated | Pilot reference transmission for a wireless communication system |
US6894994B1 (en) | 1997-11-03 | 2005-05-17 | Qualcomm Incorporated | High data rate wireless packet data communications system |
US6574211B2 (en) | 1997-11-03 | 2003-06-03 | Qualcomm Incorporated | Method and apparatus for high rate packet data transmission |
US6222832B1 (en) | 1998-06-01 | 2001-04-24 | Tantivy Communications, Inc. | Fast Acquisition of traffic channels for a highly variable data rate reverse link of a CDMA wireless communication system |
DE19757367C2 (de) | 1997-12-22 | 2003-03-13 | Siemens Ag | Anordnung zum Synchronisieren von Funkbasisstationen |
US6101394A (en) | 1997-12-24 | 2000-08-08 | Nortel Networks Corporation | CDMA multiple carrier paging channel optimization |
KR100295437B1 (ko) | 1997-12-30 | 2001-07-12 | 윤종용 | 멀티주파수할당시스템의커버리지최적화방법 |
US6545986B1 (en) | 1997-12-31 | 2003-04-08 | Verizon Laboratories Inc. | CDMA forward link power control |
JP3397677B2 (ja) | 1998-02-10 | 2003-04-21 | 松下電器産業株式会社 | 送信電力制御装置及び無線通信装置 |
FI108181B (fi) | 1998-02-13 | 2001-11-30 | Nokia Mobile Phones Ltd | Tehonsäätömenetelmä |
EP0939527B1 (en) | 1998-02-18 | 2007-12-05 | Sony Deutschland GmbH | Mapping of multicarrier signals into GSM time slots |
WO1999043100A1 (en) | 1998-02-19 | 1999-08-26 | Qualcomm Incorporated | Synchronization of forward link base station power levels during handoff between base station sectors in a mobile radio communication system |
US6076181A (en) * | 1998-03-03 | 2000-06-13 | Nokia Mobile Phones Limited | Method and apparatus for controlling a retransmission/abort timer in a telecommunications system |
US6163707A (en) | 1998-03-04 | 2000-12-19 | Northern Telecom Limited | CDMA power control error reduction via predictive filtering |
CA2237289C (en) * | 1998-03-24 | 2006-07-11 | Vistar Telecommunications Inc. | Packet data communication system |
US6112084A (en) * | 1998-03-24 | 2000-08-29 | Telefonaktiebolaget Lm Ericsson | Cellular simultaneous voice and data including digital simultaneous voice and data (DSVD) interwork |
US6201954B1 (en) * | 1998-03-25 | 2001-03-13 | Qualcomm Inc. | Method and system for providing an estimate of the signal strength of a received signal |
KR100278019B1 (ko) | 1998-03-28 | 2001-01-15 | 윤종용 | 코드분할다중접속네트워크에서의순방향링크커버리지의최적화방법 |
KR100338662B1 (ko) | 1998-03-31 | 2002-07-18 | 윤종용 | 부호분할다중접속통신시스템의채널통신장치및방법 |
SE9801172D0 (sv) | 1998-04-01 | 1998-04-01 | Ericsson Telefon Ab L M | Cell selection in a system with different cell capabilities |
JP3956479B2 (ja) | 1998-04-27 | 2007-08-08 | ソニー株式会社 | 移動通信システム、移動局及び基地局 |
FI106331B (fi) * | 1998-04-30 | 2001-01-15 | Nokia Mobile Phones Ltd | Menetelmä ja laitteisto joutokehysten käytön ohjaamiseksi |
KR100413417B1 (ko) * | 1998-05-04 | 2004-02-14 | 엘지전자 주식회사 | 이동통신시스템에서 단말기의 호 접속 제어 방법. |
US5966384A (en) | 1998-05-08 | 1999-10-12 | Motorola, Inc. | Method and apparatus for data transmission within a broad-band communication system |
US6317413B1 (en) | 1998-05-18 | 2001-11-13 | Nokia Mobile Phones Ltd. | Method and apparatus for assigning variable length walsh codes in a spread spectrum system |
US6400695B1 (en) | 1998-05-22 | 2002-06-04 | Lucent Technologies Inc. | Methods and apparatus for retransmission based access priority in a communications system |
KR100322024B1 (ko) | 1998-06-13 | 2002-06-24 | 윤종용 | 부호분할다중접속통신시스템의전력제어장치및방법 |
US6067324A (en) | 1998-06-30 | 2000-05-23 | Motorola, Inc. | Method and system for transmitting and demodulating a communications signal using an adaptive antenna array in a wireless communication system |
JP4267092B2 (ja) | 1998-07-07 | 2009-05-27 | 富士通株式会社 | 時刻同期方法 |
US6278701B1 (en) | 1998-07-10 | 2001-08-21 | Verizon Laboratories Inc. | Capacity enhancement for multi-code CDMA with integrated services through quality of services and admission control |
WO2000004728A2 (en) | 1998-07-16 | 2000-01-27 | Samsung Electronics Co., Ltd. | Processing packet data in mobile communication system |
KR100342525B1 (ko) | 1998-07-16 | 2002-06-28 | 윤종용 | 이동통신시스템의 패킷 데이터 처리 시스템 및 방법 |
KR100285310B1 (ko) | 1998-07-29 | 2001-04-02 | 윤종용 | Cdma통신시스템의삭제지시비트를이용한순방향전력제어파라미터제어방법 |
US6587696B1 (en) | 1998-07-31 | 2003-07-01 | Nokia Mobile Phones Limited | Power control technique utilizing forward pilot channel |
KR20000013025A (ko) | 1998-08-01 | 2000-03-06 | 윤종용 | 이동통신 시스템의 순방향 초기 송신전력 제어장치 및 방법 |
US6175448B1 (en) | 1998-08-17 | 2001-01-16 | New Focus, Inc. | Optical circulators using beam angle turners |
KR100429540B1 (ko) * | 1998-08-26 | 2004-08-09 | 삼성전자주식회사 | 이동통신시스템의패킷데이터통신장치및방법 |
JP2000091985A (ja) | 1998-09-08 | 2000-03-31 | Hitachi Ltd | 通信システムの電力制御方法 |
US6347080B2 (en) | 1998-09-09 | 2002-02-12 | Qualcomm, Inc. | Energy based communication rate detection system and method |
KR100401190B1 (ko) | 1998-09-17 | 2003-12-31 | 삼성전자주식회사 | 부호분할다중접속통신시스템의동기채널을이용한프레임동기장치및방법 |
JP2000165927A (ja) | 1998-11-24 | 2000-06-16 | Toshiba Corp | 無線通信システム、通信制御装置、無線基地局、および無線通信方法 |
US6668159B1 (en) * | 1998-11-30 | 2003-12-23 | Telefonaktiebolaget Lm Ericsson (Publ) | Terminal bitrate indicator |
US6233231B1 (en) * | 1998-12-03 | 2001-05-15 | Motorola, Inc. | Data transmission within a spread-spectrum communication system |
US6512925B1 (en) | 1998-12-03 | 2003-01-28 | Qualcomm, Incorporated | Method and apparatus for controlling transmission power while in soft handoff |
US6091757A (en) * | 1998-12-03 | 2000-07-18 | Motorola, Inc. | Data transmission within a spread-spectrum communication system |
US6931050B1 (en) | 1998-12-03 | 2005-08-16 | Ericsson Inc. | Digital receivers and receiving methods that scale for relative strengths of traffic and pilot channels during soft handoff |
US6615052B1 (en) | 1998-12-08 | 2003-09-02 | Honeywell International Inc. | Radio frequency power control algorithm |
US6434637B1 (en) | 1998-12-31 | 2002-08-13 | Emc Corporation | Method and apparatus for balancing workloads among paths in a multi-path computer system based on the state of previous I/O operations |
US6229795B1 (en) | 1999-01-13 | 2001-05-08 | Qualcomm Incorporated | System for allocating resources in a communication system |
US7123624B1 (en) | 1999-01-14 | 2006-10-17 | Cape Range Wireless, Ltd. | System and method for single-point to fixed-multipoint data communication |
US6470044B1 (en) * | 1999-01-15 | 2002-10-22 | Sharp Laboratories Of America, Inc. | Computationally parsimonious forward link receiver for DS-CDMA systems and method for same |
US6205129B1 (en) | 1999-01-15 | 2001-03-20 | Qualcomm Inc. | Method and apparatus for variable and fixed forward link rate control in a mobile radio communications system |
TW459461B (en) | 1999-01-16 | 2001-10-11 | Koninkl Philips Electronics Nv | Radio communication system |
JP2000224231A (ja) | 1999-02-02 | 2000-08-11 | Hitachi Ltd | 移動通信システム及びパケットデータ送信方法 |
US6590873B1 (en) | 1999-02-05 | 2003-07-08 | Lucent Technologies Inc. | Channel structure for forward link power control |
US6317435B1 (en) | 1999-03-08 | 2001-11-13 | Qualcomm Incorporated | Method and apparatus for maximizing the use of available capacity in a communication system |
US6438115B1 (en) * | 1999-03-08 | 2002-08-20 | Telefonaktiebolaget L M Ericsson (Publ) | High speed data communication system and method |
US6174558B1 (en) | 1999-03-17 | 2001-01-16 | Kemin Industries, Inc. | Method for increasing breast meat yields in poultry |
US6574267B1 (en) | 1999-03-22 | 2003-06-03 | Golden Bridge Technology, Inc. | Rach ramp-up acknowledgement |
DE19913086A1 (de) * | 1999-03-23 | 2000-10-19 | Siemens Ag | Verfahren und Einrichtung zur Kanalzuweisung für eine breitbandige Funk-Übertragung |
US6804214B1 (en) | 1999-04-19 | 2004-10-12 | Telefonaktiebolaget Lm Ericsson (Publ) | System and method for implementing multiple carriers in cellular networks |
US6606311B1 (en) | 1999-04-20 | 2003-08-12 | Nortel Networks Limited | QoS framework for CDMA 2000 |
US6563809B1 (en) | 1999-04-28 | 2003-05-13 | Tantivy Communications, Inc. | Subscriber-controlled registration technique in a CDMA system |
US6434367B1 (en) | 1999-06-11 | 2002-08-13 | Lucent Technologies Inc. | Using decoupled power control sub-channel to control reverse-link channel power |
US6757270B1 (en) * | 1999-06-11 | 2004-06-29 | Lucent Technologies Inc. | Low back haul reactivation delay for high-speed packet data services in CDMA systems |
US6574266B1 (en) | 1999-06-25 | 2003-06-03 | Telefonaktiebolaget Lm Ericsson (Publ) | Base-station-assisted terminal-to-terminal connection setup |
US6285886B1 (en) | 1999-07-08 | 2001-09-04 | Lucent Technologies Inc. | Method for controlling power for a communications system having multiple traffic channels per subscriber |
JP4231593B2 (ja) | 1999-07-21 | 2009-03-04 | 株式会社日立コミュニケーションテクノロジー | 通信システム及びその通信方法 |
US6487259B1 (en) | 1999-08-24 | 2002-11-26 | Motorola, Inc. | Partially-parrallel trellis decoder apparatus and method |
US8064409B1 (en) | 1999-08-25 | 2011-11-22 | Qualcomm Incorporated | Method and apparatus using a multi-carrier forward link in a wireless communication system |
US6717926B1 (en) | 1999-09-13 | 2004-04-06 | Nokia Corporation | Apparatus and associated method, by which to transmit beacon signals in a radio communication system |
US6621804B1 (en) | 1999-10-07 | 2003-09-16 | Qualcomm Incorporated | Method and apparatus for predicting favored supplemental channel transmission slots using transmission power measurements of a fundamental channel |
US6850506B1 (en) | 1999-10-07 | 2005-02-01 | Qualcomm Incorporated | Forward-link scheduling in a wireless communication system |
US6445908B1 (en) | 1999-10-18 | 2002-09-03 | Qualcomm Incorporated | Dynamic temperature compensation and stage selection in pilot signal acquisition |
KR100375145B1 (ko) | 1999-11-10 | 2003-03-19 | 삼성전자주식회사 | 멀티캐리어를 사용하는 부호분할다중접속 통신시스템의데이타 통신장치 및 방법 |
US6434380B1 (en) * | 1999-12-13 | 2002-08-13 | Telefonaktiebolaget Lm Ericsson (Publ) | Dynamic negotiation of resources for user equipment in wireless communications system |
US6393276B1 (en) | 2000-01-12 | 2002-05-21 | Telefonaktiebolaget Lm Ericsson | Mobile station assisted forward link open loop power and rate control in a CDMA system |
US6179007B1 (en) | 2000-02-07 | 2001-01-30 | The Goodyear Tire & Rubber Company | Reinforced, flexible hose with built-in handle |
EP1177646B1 (en) | 2000-03-10 | 2009-02-25 | Samsung Electronics Co., Ltd. | Method for performing handoff in a wireless communication system |
US7016649B1 (en) * | 2000-03-17 | 2006-03-21 | Kathrein-Werke Kg | Space-time and space-frequency hopping for capacity enhancement of mobile data systems |
US6711150B1 (en) * | 2000-04-07 | 2004-03-23 | Telefonktiebolaget L.M. Ericsson | System and method for data burst communications in a CDMA network |
US6912228B1 (en) | 2000-04-14 | 2005-06-28 | Telefonaktiebolaget L M Ericsson (Publ) | Power control in a radio data communication system adapted using transmission load |
JP3414357B2 (ja) | 2000-04-25 | 2003-06-09 | 日本電気株式会社 | Cdma移動通信システムにおける送信電力制御方式 |
US6917808B1 (en) | 2000-04-28 | 2005-07-12 | Lucent Technologies Inc. | Inter-frequency handoff evaluation method |
US6337983B1 (en) * | 2000-06-21 | 2002-01-08 | Motorola, Inc. | Method for autonomous handoff in a wireless communication system |
US7194006B2 (en) * | 2000-07-18 | 2007-03-20 | Kathrein-Werke Kg | Directed maximum ratio combining methods and systems for high data rate traffic |
JP4076202B2 (ja) | 2000-08-07 | 2008-04-16 | 富士通株式会社 | スペクトラム拡散信号受信機及び受信方法 |
US6580899B1 (en) | 2000-09-07 | 2003-06-17 | Nortel Networks Limited | Adaptive forward power management algorithm for traffic hotspots |
US6859446B1 (en) | 2000-09-11 | 2005-02-22 | Lucent Technologies Inc. | Integrating power-controlled and rate-controlled transmissions on a same frequency carrier |
US6625433B1 (en) | 2000-09-29 | 2003-09-23 | Agere Systems Inc. | Constant compression automatic gain control circuit |
WO2002033856A1 (en) * | 2000-10-20 | 2002-04-25 | Samsung Electronics Co., Ltd | Apparatus and method for determining a data rate of packet data in a mobile communication system |
DE60134484D1 (de) | 2000-10-24 | 2008-07-31 | Nortel Networks Ltd | Geteilte kanalstruktur, arq-systeme und -verfahren |
US7068683B1 (en) | 2000-10-25 | 2006-06-27 | Qualcomm, Incorporated | Method and apparatus for high rate packet data and low delay data transmissions |
US6973098B1 (en) | 2000-10-25 | 2005-12-06 | Qualcomm, Incorporated | Method and apparatus for determining a data rate in a high rate packet data wireless communications system |
US6760587B2 (en) | 2001-02-23 | 2004-07-06 | Qualcomm Incorporated | Forward-link scheduling in a wireless communication system during soft and softer handoff |
US20020160781A1 (en) | 2001-02-23 | 2002-10-31 | Gunnar Bark | System, method and apparatus for facilitating resource allocation in a communication system |
US6971098B2 (en) | 2001-06-27 | 2005-11-29 | Intel Corporation | Method and apparatus for managing transaction requests in a multi-node architecture |
US7181171B2 (en) | 2001-07-20 | 2007-02-20 | Kyocera Wireless Corp. | System and method for providing auxiliary reception in a wireless communications system |
FR2860381B1 (fr) | 2003-09-25 | 2006-01-06 | Nortel Networks Ltd | Procede d'allocation de ressources dans un systeme de radiocommunication et station de base pour mettre en oeuvre le procede |
JP2008099317A (ja) | 2004-11-12 | 2008-04-24 | Sanyo Electric Co Ltd | 受信方法およびそれを利用した無線装置 |
US8102882B2 (en) | 2006-05-02 | 2012-01-24 | Nokia Corporation | Subcarrier truncating data transmission scheme in OFDM system |
JP4189410B2 (ja) | 2006-06-12 | 2008-12-03 | 株式会社東芝 | 無線通信装置及び送信制御方法 |
EP2050214B1 (en) | 2006-08-09 | 2014-11-26 | Lg Electronics Inc. | Method of estimating signal-to-noise ratio and adjusting feedback information transmission |
US8295328B2 (en) | 2006-10-11 | 2012-10-23 | Telefonaktiebolaget Lm Ericsson (Publ) | Doppler frequency control of G-rake receiver |
KR20120094027A (ko) | 2006-10-23 | 2012-08-23 | 인터디지탈 테크날러지 코포레이션 | 공유 채널을 통하여 측정 리포트를 전송 및 수신하는 방법 및 장치 |
KR100811843B1 (ko) | 2006-10-27 | 2008-03-10 | 삼성전자주식회사 | 광대역 부호분할 다중접속 통신시스템에서 고속공통제어채널 통신 장치 및 방법 |
WO2008054099A1 (en) | 2006-10-31 | 2008-05-08 | Electronics And Telecommunications Research Institute | Method for transmitting and receiving channel quality information in multi carrier wireless system |
WO2008109477A1 (en) | 2007-03-02 | 2008-09-12 | Aegis Mobility, Inc. | Management of mobile device communication sessions to reduce user distraction |
US20080298382A1 (en) | 2007-05-31 | 2008-12-04 | Matsushita Electric Industrial Co., Ltd. | Method, apparatus and system for progressive refinementof channel estimation to increase network data throughput and reliability |
US7860927B2 (en) | 2008-07-25 | 2010-12-28 | International Business Machines Corporation | Inspecting web browser state information from a synchronously-invoked service |
EP2417813A1 (en) | 2009-04-07 | 2012-02-15 | Telefonaktiebolaget LM Ericsson (publ) | Method and apparatus for allocating resources to user equipments in a telecommunications system |
JP5319443B2 (ja) | 2009-08-05 | 2013-10-16 | シャープ株式会社 | 基地局装置、端末装置および無線通信システム |
US8811200B2 (en) | 2009-09-22 | 2014-08-19 | Qualcomm Incorporated | Physical layer metrics to support adaptive station-dependent channel state information feedback rate in multi-user communication systems |
-
2000
- 2000-10-25 US US09/697,375 patent/US7068683B1/en not_active Expired - Lifetime
-
2001
- 2001-10-24 EP EP10011385A patent/EP2278846B1/en not_active Expired - Lifetime
- 2001-10-24 CN CN01821313A patent/CN100593286C/zh not_active Expired - Lifetime
- 2001-10-24 EP EP10011386A patent/EP2276307B1/en not_active Expired - Lifetime
- 2001-10-24 ES ES10011388T patent/ES2397609T3/es not_active Expired - Lifetime
- 2001-10-24 CN CN201010002953.3A patent/CN101801099B/zh not_active Expired - Lifetime
- 2001-10-24 AU AU2002239734A patent/AU2002239734B2/en not_active Ceased
- 2001-10-24 MX MXPA03003664A patent/MXPA03003664A/es active IP Right Grant
- 2001-10-24 AT AT01987531T patent/ATE481849T1/de not_active IP Right Cessation
- 2001-10-24 WO PCT/US2001/050892 patent/WO2002041509A2/en active Application Filing
- 2001-10-24 ES ES10011386T patent/ES2397607T3/es not_active Expired - Lifetime
- 2001-10-24 ES ES10011385T patent/ES2397606T3/es not_active Expired - Lifetime
- 2001-10-24 EP EP10011384A patent/EP2273840B1/en not_active Expired - Lifetime
- 2001-10-24 IL IL15553101A patent/IL155531A0/xx unknown
- 2001-10-24 CA CA2426905A patent/CA2426905C/en not_active Expired - Lifetime
- 2001-10-24 BR BRPI0114861A patent/BRPI0114861B1/pt active IP Right Grant
- 2001-10-24 EP EP10011387A patent/EP2288219B1/en not_active Expired - Lifetime
- 2001-10-24 ES ES10011387T patent/ES2397608T3/es not_active Expired - Lifetime
- 2001-10-24 KR KR1020037005813A patent/KR100812575B1/ko active IP Right Grant
- 2001-10-24 EP EP10011388A patent/EP2285175B1/en not_active Expired - Lifetime
- 2001-10-24 UA UA2003043630A patent/UA75612C2/uk unknown
- 2001-10-24 ES ES10011384T patent/ES2397605T3/es not_active Expired - Lifetime
- 2001-10-24 AU AU3973402A patent/AU3973402A/xx active Pending
- 2001-10-24 AT AT10165007T patent/ATE536726T1/de active
- 2001-10-24 EP EP10165007A patent/EP2219410B1/en not_active Expired - Lifetime
- 2001-10-24 EP EP01987531A patent/EP1329126B1/en not_active Expired - Lifetime
- 2001-10-24 ES ES10165007T patent/ES2375928T3/es not_active Expired - Lifetime
- 2001-10-24 JP JP2002543799A patent/JP2004514369A/ja active Pending
- 2001-10-24 ES ES01987531T patent/ES2350423T3/es not_active Expired - Lifetime
- 2001-10-24 RU RU2003115438/09A patent/RU2286652C2/ru active
- 2001-10-24 DE DE60143092T patent/DE60143092D1/de not_active Expired - Lifetime
- 2001-10-25 TW TW090126380A patent/TW573414B/zh not_active IP Right Cessation
-
2003
- 2003-04-21 IL IL155531A patent/IL155531A/en not_active IP Right Cessation
- 2003-04-24 NO NO20031827A patent/NO20031827L/no not_active Application Discontinuation
-
2005
- 2005-09-29 HK HK05108635.9A patent/HK1076668A1/xx not_active IP Right Cessation
-
2006
- 2006-04-14 US US11/404,414 patent/US9426821B2/en not_active Expired - Fee Related
- 2006-07-17 RU RU2006125654/09A patent/RU2422998C2/ru active
-
2007
- 2007-08-07 AU AU2007203687A patent/AU2007203687A1/en not_active Abandoned
-
2009
- 2009-07-29 JP JP2009176540A patent/JP5280312B2/ja not_active Expired - Lifetime
-
2012
- 2012-01-26 JP JP2012014226A patent/JP5512711B2/ja not_active Expired - Lifetime
-
2013
- 2013-06-10 JP JP2013121728A patent/JP5694443B2/ja not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105338635A (zh) * | 2014-08-06 | 2016-02-17 | 电信科学技术研究院 | 一种业务传输的方法和设备 |
CN105338635B (zh) * | 2014-08-06 | 2020-04-10 | 电信科学技术研究院 | 一种业务传输的方法和设备 |
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1636332A (zh) | 高速率分组数据和低时延数据传输的方法和装置 | |
CA2427007C (en) | Method and apparatus for determining a data rate in a high rate packet data wireless communications system | |
AU2002239734A1 (en) | Method and apparatus for high rate packet data and low delay data transmissions | |
AU2002239735B2 (en) | Method and apparatus for determining a data rate in a high rate packet data wireless communications system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
REG | Reference to a national code |
Ref country code: HK Ref legal event code: DE Ref document number: 1076668 Country of ref document: HK |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
REG | Reference to a national code |
Ref country code: HK Ref legal event code: GR Ref document number: 1076668 Country of ref document: HK |
|
CX01 | Expiry of patent term |
Granted publication date: 20100303 |
|
CX01 | Expiry of patent term |