CN1419789A - Method for allocating resources in a radio communications system - Google Patents
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Abstract
本发明涉及在无线通信系统中分配资源的方法，特别是移动无线电话系统，根据本发明，可提供资源用于多路接入并且在时隙和其信号形状方面该资源不同。在数据传输的间歇期间，对于专门预留的专用信道进行另外的数据传输。根据本发明，将还没有作为专用数据信道分配的资源分配给上行链路方向的其它数据源。
The invention relates to a method of allocating resources in a radio communication system, in particular a mobile radio telephone system, according to the invention resources are available for multiple access and differ in terms of time slots and their signal shape. During breaks in data transmission, additional data transmissions take place on specially reserved dedicated channels. According to the invention, resources not yet allocated as dedicated data channels are allocated to other data sources in the uplink direction.
Description
The present invention relates to the resource allocation methods in wireless communication system, be particularly related to mobile radio system, and the wireless communication system of setting up like this, wherein set up the resource of wave point by channel, described channel inserts with multichannel and is assigned to and a plurality of networks that are connected with subscriber board, and different with the signal shape in the scope of given frequency bandwidth aspect time slot, carry out other transfer of data at the transfer of data tempus intercalare.
By sending data through wave point along two directions, wireless communication system can establish a communications link between the base station of mobile or fixed subscriber station and network.For undisturbed from subscriber board to its base station (up link) and the two-way connection of (down link) in the other direction adopt frequency-duplex method (FDD) and time duplex method (TDD).The a plurality of connection simultaneously each other adopt the multichannel cut-in method in order to distinguish each user.If separate a plurality of users of the same carrier frequencies on the wave point by different time-gap, adopt time multiplexing method (time division multiple access TDMA) so.And, except time multiplexing, can on wave point, adopt other method with separate users, code multiplexed (code division multiple access CDMA) for example, in this case, in order to utilize different orthogonal code sequences on public available bandwidth, clearly to distribute and obvious the separation with each signal expansion with coding gain.
In the Universal Mobile Telecommunications System UMTS in future, prepare to adopt based on the code of frequency division multiplexed mixed multiplex multiplexing method (Wideband Code Division Multiple Access (WCDMA) W-CDMA) and time-division code multiplexed (TD-CDMA Time Division-Code Division Multiple Access TD-CDMA).Under the situation of a kind of method after the employing, relate to the combination that FDMA, TDMA and CDMA multichannel insert component, it is characterized in that degree of freedom frequency, time slot and code, under tdd mode, both can be in common band and also can transmit along down direction along up direction.A special case of TD-CDMA method is TD SDMA method (TD-SCDMA), and this method is the example that the present invention can adopt as the TD-CDMA method, but not is to general restriction of the present invention.This TD-SCDMA method is different with pure TD-SCDMA method, wherein by carrying out high-precise synchronization to received signal in up link, improves the detection characteristic of received signal.
In follow-on mobile communication system, the proportion of non real-time transmission will increase greatly.This non-real-time data transmission for example is typical Internet service, as WWW (World Wide Web (WWW)), and FTP (file transfer protocol (FTP)), Email or SMS (SMS (Short Message Service)).They all are based on packing manner transmission data, and are same, time shaft is divided, so rather than apparently with fixing time slot but be addressed the packet of variable-length.Can transmit on this wave point in these packets and the received order with the most effective resource proof realization that is fit to each packet size, because appear at the transmission intermittence of general length between each packet by weak point in its application layer.Under the situation of non-real-time data, the delay of long period, for example from 400 milliseconds to several seconds, and to postpone by for example unavailability and associated data packet transmission be not crucial.
In contrast, real-time Data Transmission, for example voice and video transmission, usually the resource allocation of monopolizing of the length by each connection realizes, although in this case, but very short transmission also occurs intermittently, for example, the fluctuation of data rate perhaps occurs owing to intermittently adopt VAD (sound behavior detector) to cut off transmitter in talk.Distribute the reason of these resources to be limited delay request, for example 40 milliseconds, these requests can not always be met after intermittence in short transmission by common resource allocation methods.
Need a kind of transmission effective ways that make full use of precious resources intermittently that are connected in other transmission data in real time of just filling.This is for TD-CDMA system or comparable with it system particularly suitable.
Under the situation that adopts the TD-CDMA method, each carrier frequency is used the same foundation facility structure along time shaft, as the GSM (Global Systems for Mobile communications) that comes into operation for a long time.But, can assign 16 in may extended codes maximum 8 to each time slot according to the size of bandwidth, by these extended codes, physical channel of each extended code definition.Resource is appreciated that this further transmittability, and this ability is essential to connection, and in UMTS, generally characterizes with Triple Frequency, time slot and code.In order to carry out the voice transfer in UMTS, for example only need an extended code in a physical channel and time slot and the frequency band.In contrast, to the data service of 128 kbps, need 8 physical channels, a time slot that has 8 extended codes.This resource also can be distributed on a plurality of time slots, for example, for the data service of 64 kbps, needs 4 physical channels, distributes two extended codes on a time slot, distributes two extended codes on another time slot.The synthetic bigger transfer resource of a plurality of single resource set is called as combining channel (Channel-pooling).Each time slot can be distributed to up link or down link.
Conditionally, utilize the existence of time slot, make the statistical property that connects in real time not allow the overtime lasting disturbed condition of half way.By disturbing between maximum admissible mark and multichannel linking number when inserting interference and draw each time slot, wherein each all has duration of 625 microseconds for example, therefore, causes a system that is not made full use of by the best in most of times.
Except (soft block) restriction that is interfered, mobile communication system also can be subjected to the restriction of this fixed allocation number of resources.This is suitable for the user in the circuit switch application.Network will be distributed to each connection exclusively as the required as many dedicated channel of transmission (DCH) of the data rate peak value of real-time business.If the bandwidth that is provided is provided in application in real time always, the distribution of this fixed resource is optimized so.But under the applicable cases of discontinuous transmission data, its data rate can the required maximum data rate of very fast arrival, and as voice transfer, its activity is 50% to 60%, reaches this power system capacity very soon, thereby produces so-called hard obstruction.
In order to make full use of limited system resource, known a kind of method, this method is: the statistical multiplexing that the different pieces of information on a channel connects.To become idle channel allocation at the tempus intercalare that connects in real time and give another user, in case and the owner of this channel again by activity, this resource or the single resource that belongs to its channel pool are at first returned to its actual holder.In this case, the data flow transmitted that remains that this difference is connected is divided into the short data block (pulse train) of regular length and is encoded, and interweaves through resource in proper order according to its arrival temporarily.Should connect the different transmittability of acquisition according to its data rate.But this system has proposed very high requirement to the time response and the reliability of multiplex switching.If this system can not discharge resource immediately because for example resource request does not also not arrive or because distribute notice to be interfered, during transfer of data, occur so conflict or use in real time loss of data.
In order to conflict or losing of application data is reduced to bottom line, therefore must in this multiplex switching, leave many redundancies or big coefficient of safety.This means that for example in the TD-CDMA system, for example 16 codes are available although each time slot has simultaneously, 8 in these codes can only be provided simultaneously.A plurality of codes are provided if desired, and the connection of the voice in the time also is so so, if all transmission are in activated state reliably simultaneously, will cause unacceptable interference to improve.But in most of times, voice intermittently are not to use all 8 codes.Also by being somebody's turn to do maximum number, the used code of dedicated channel being provided do not use resource thus in " under the worst case ".The restriction of this soft capacity described here and consequence thereof make and also can be observed in additional C DMA system.
Task of the present invention is, a kind of method is proposed, according to this method, not to TD-CDMA system or the time that comparable wireless communication system optimum makes full use of, by transfer of data through dedicated channel, can can optimum make full use of the transmittability of wave point thus with the signaling cost that can bear and the additional data that reduces other application of the transmission of mutual interference mutually transmission as far as possible.
This task is finished by the feature of claim 1.At the device of this task by claim 2 explanation.In view of the above, in the concise and to the point wireless communication system of describing of article the beginning part, carry out other transfer of data through dedicated channel as follows, promptly along the up direction allocation of network resources, described resource is also not give data source as dedicated channel allocation.The preferably non-real-time data transmission of these other transfer of data, but also can be real-time Data Transmission in principle.
To this, use the each time transmission of data source in data transmission procedure of dedicated channel intermittently to send a resource request (Request) to network resource manager (Radio Resource Management) afterwards, in view of the above, this manager is distributed to described data source monopolizing reserved resource.
According to another embodiment, after the transmission each time in data transmission procedure intermittently, the data source of a use dedicated channel indicates transmission end at intermittence and visits the dedicated channel of distributing to it immediately once more to network resource manager.
Reduce the complexity of signaling in the following manner, that is: not with untapped resource, use the data source of nonactivated dedicated channel, but will not give the other network data source that is ready for sending owing to the restriction of soft capacity as the resource allocation that dedicated data channel is used.Therefore, these still distribute to this data source exclusively as the resource of dedicated channel allocation.Thus, begin to guarantee when this data source is activated again that this resource and other data source do not clash.To this, can distribute the additional resource that is in unactivated state simultaneously to give the data source of existing use dedicated channel at least.The number of required additional resource only is subjected to the restriction of code maximum number inequality.For example, be that only in the time of 60%**3=21.6%, all these data sources are in state of activation simultaneously under the situation of data source of 60% dedicated channel using mean activity probably.Therefore under the situation that the soft capacity of maximum 8 codes limits at the same time, in 78.4% time, non-real-time data is transmitted through being selected from up to other 5 codes (16 available codes altogether) that do not have to use.
In an advantageous manner, in the resource of this transmission error, can not cause hard conflict and possible loss of data, but cause Interference Peaks in short-term at the most at access scheme.Can significantly reduce of the requirement of this access scheme again thus to power load.
Should additionally the resource of being distributed be included in a shared resource, for example so-called uplink shared channel USCH based on the data source of using non-activation dedicated channel.
Give the other data source that is ready for sending with the resource allocation on this USCH, wherein best by a case pointer to the distribution of USCH, promptly so-called Uplink State Flag USF is through a signalling path, for example so-called uplink control channel UCCH implements.
In other training, in the distribution of each transmission cycle to physical channel USCH (PUSCH)-resource transmission USF, this is distributed in the next transmission cycle is effective.To this, the addressing of the PUSCH resource of necessity is notified to the additional data source that is ready for sending by appropriate signaling.In case the data source that is ready for sending among the UCCH has received its USF relevant with one or more PUSCH, can allow this data source on same PUSCH resource, to send at next transmission cycle.
Can predict other layout, the number of the PUSCH resource that is assigned with in UCCH at each transmission cycle is determined according to the activity of data source in the dedicated channel and/or according to the interference level in the wireless area by network.
In a favourable layout, use the data source of dedicated channel the transmission of using dedicated channel to carry out in the data transmission procedure intermittently can be begun to send network to as in-band signalling.
Otherwise, in a favourable layout, use the data source of dedicated channel the transmission of using dedicated channel to carry out in the data transmission procedure intermittently can be finished on the signaling channel of a separation, go up as fast uplink link access channel FUACH and send signaling to network.
According to another embodiment, by network building-out ground or ad hoc detect the transmission beginning and the end intermittently of the transfer of data in the dedicated channel by means of the interferometry in the unlimited sub-district.In this case, in another is arranged, (a first) interference level is defined as the threshold value of wireless area, be lower than this threshold value, sent as signaling the intermittence of the transfer of data in the dedicated channel, these dedicated channel allocation are given other transfer of data by network.
Also the interference level that (second) is lower than first interference level is defined as the threshold value of wireless area, be lower than under the situation of this threshold value above the regular hour, this network is given other transfer of data with (P) USCH resource allocation, and does not send the transmission signaling intermittently about transfer of data in the dedicated channel.
Can predict another kind of configuration, in USCH, preferably, the untapped resource of the application in the dedicated channel be distributed, and after this resource is used up, its un-activation of distributing on the current dedicated channel be used.
It is following that the present invention is described in further detail with embodiment with reference to accompanying drawing.
These accompanying drawings are:
Fig. 1 is a wireless communication system, the block diagram of mobile radio system particularly,
Fig. 2 illustrates in general the subscriber station of cordless communication network and the wave point between the base station,
Fig. 3 illustrate in general the transfer resource that is assigned with along up direction according to the present invention observed through a plurality of time slots in a tdma frame and
Fig. 4 illustrate in general through many tdma frames observe in a time slot according to the resource that is assigned with of the present invention.
Be the mobile switch equipment MSC/SGSN that the wireless communication system shown in the example comprises the phase Internet with the mobile wireless network among Fig. 1, these equipment are set up to the inlet as the fixed network of PSTN, ISDN, IP network simultaneously.These equipment are connected with device RNC at least respectively, and device RNC sets up at least one base-station node B respectively
iInlet and the distribution of responsible wireless technology resource.
Each base-station node B
ICan through wave point set up from to being connected of a plurality of subscriber station UE, wherein illustrate for example.At least make up a wireless area Z by each base-station node, this sub-district and other wireless area are united the logical groups of the wireless area that constitutes a cellular mobile radio system.
The physical channel that each frequency selection, selection of time and extended code are selected is defined by some logic channels, and these logic channels have reflected these physical channels.They are to identify by concrete separately parameter group.The application that is orientated with bag of using through logic that channel (Traffic Channel TCH) will use that information such as voice, date send to circuit switched.Through logic signaling transmitting channel (control channel CCH) command transmitting information.In addition, this signaling channel is used for bit synchronization and tdma frame synchronously and be used for the transfer of data of possible bag orientation, as SMS (Short Message Service) (SMS, CBS).
To the transfer of data (RT transfer of data in real time) of time-critical, as voice, (special use) logic channel that specific assigned is set with known non-delay transmission means uses channel CCH.Among Fig. 1, the subscriber station UE of wireless area Z along up direction to base-station node B
iSend real time data.In this case, subscriber station UE can be characterized as being real-time source.At this moment, a logic use channel DCH comprises the single resource of one or more physics, is interpreted as the data rate of peaked catastrophic fluctuation.Use among channel DCH in this logic, be not by critical transfer of data of non-time or in addition the critical data transfer delay of time of data source critical transfer of data of this time is postponed.
Utilize suitable real-time source UE to begin the intermittence in the real-time Data Transmission and to finish to base station B
ISend signaling.
For example intermittently begin by the announcement of the in-band signalling among the logic channel DCH that distributes.
To this, at data block (pulse train, wherein the information transmitted that remains according to the processing that is used for more high-transmission fail safe is assigned with, and imports special signaling information at source in the signaling moiety S of data block (see figure 2), and reads signaling information at receiver side from signaling moiety.
According to another embodiment of the invention, shown in the symbol of Fig. 1, generate the signaling that intermittently finishes by dedicated signaling passage fast uplink link channel FUACH at the user.
Additionally or exclusively by the interference level in the wireless area Z is measured base-station node B
iCan determine beginning intermittently and end intermittently.
Above-mentioned embodiment roughly also is applicable to NRT data source UE.
For other transfer of data, NRT transfer of data preferably, also may be the real-time Data Transmission of data source UE according to the present invention advantageous embodiment also can use resource, these resources also are assigned to other big data source on the use channel of special use.These resources have constituted according to logic of the present invention uses channel uplink link shared channel USCH.Realized being connected of distribution and physics USCH resource PUSCH through other signaling channel in a configuration of the present invention, this other information signaling channel is the uplink control channel by uplink Status Flag USF.Sign is loaded with the signaling information of distinguishing in the voice-and-data data block transmitted to know mode altogether.They will be further used for wrapping the transmission of the control information in the data service of orientation.
Each transmission cycle in UCCH, this cycle is usually corresponding to pulse code time of real-time connection, and promptly 20 milliseconds, send the distribution between PUSCH resource and the USF, it is effective that above-mentioned branch matches next transmission cycle.To this, according to Fig. 1, the necessary addressing of PUSCH resource is recognized data source UE3, UE4 by suitable means.For example these have carried out offering some clarification in standard or by base-station node B
IContinue " broadcasting ".In another configuration, to the addressing of PUSCH deposit also can be when the transition of USCH pattern notification data source UE3, UE4.In case for example the NRT data source UE3 among the UCCH finds itself and the relevant USF of one or more PUSCH resources, this data source learns that it allows in next transmission cycle in this PUSCH resource and can only send in the PUSCH resource.If its USF can not receive, then do not allow its transmission.
The number of the PUSCH resource that each transmission cycle USF is assigned with in UCCH is determined by base-station node B.This number depends on the activity of the data source on the dedicated channel on the one hand, gets exhausted interference level in the wireless area Z1 that base-station node B1 is surveyed on the other hand.In other words, if the interference level in the wireless area Z1 is too high, base-station node B must suppose, the data source that more for example sends out-of-band signalling on dedicated channel is not received " transmission intermittently finishes " relatively, and this data source UE begins transmission not only and places up state thus but also with PUSCH.
Fig. 2 exemplarily shows the frame structure of the wave point of TDD transmission method.In view of the above, operational for example is the shared bandwidth of the 20MHz sub-band B1...B4 that to be divided into 4 bandwidth be 5MHz.Suitably distribute the wide Bi of some or whole subbands to give each wireless area.Here it is mixes the FDMA component of four road cut-in method TD-CDMA.In each sub-band Bi, begin with constant length according to the TDMA component, for example 10 milliseconds, tdma frame T
FrameGraduation divides the time shaft amount, and these are again with the same time span of for example TS1-TS16, for example 625 delicately further is divided into 16 time slots and numbers by incremental order.In each tdma frame, repeat numbering.To distributing to subscriber station with same timeslot number TS1-TS16 periodically with 10 milliseconds tdma frame distance with one in the time of transfer of data.Can also replace time slot TS (time slot jump) periodically according to certain scheme.Each wireless area is assigned a plurality of time slot TS.The part of time slot TS be used for from the base station to subscriber station to hypomere DL and be used for to epimere UL.Between this, a switching point SP is arranged, the purpose of this switching point can be for diversified asymmetric division transmission sources variable managing.Can dynamically distribute one or more single resource to give separately by combining channel and communicated to connect, with the connection that realizes different pieces of information speed or promote a plurality of business in a connection concurrently.Transmission data block in time slot TS (pulse train), these data blocks comprise data division D, signaling moiety S and the training sequence that is used for channel estimating to the use channel under the situation of normal burst.
According to the CDMA component, the information of a plurality of connections of transmission in a time slot TS, this is by utilizing the personal code work sequence each time slot to be expanded once more with connecting separately.To the expansion of each data symbol that data to be transmitted D is arranged, wherein, make, at symbol duration T at the known training sequence T of receiver side input
SymInterior Q data chip is transferred to the D chip that the duration is T.In this case, this Q chip constitutes connection personal code work separately.Each time slot (full-time crack) provides 16 extended code C1 to C16 for using.
The combination of sub-band B, time slot TS and extended code C has defined the single resource as the minimum unit of transmission use information and signaling information.
Fig. 3 exemplarily is illustrated in Resources allocation and interior ground of tdma frame code on the time slot.For this reason, select a tdma frame n+1.After the 10th time slot in 16 time slots altogether, the switching point SP between descending section DL and the up section UL should be adopted.Can take each time slot simultaneously based on 8 to 16 single resources of CDMA component (code).
Up section UL will only be discussed below go up the management of using channel.
The real time data source UE of Fig. 1 sends real time data with the form of voice to its base-station node Bi.In addition, should by base-station node Bi give its ad hoc the code in the time slot 11 of distribution T DMA frame structure as resource.Use realization transmission on the channel DCH in logic.This resource is intermittently kept for real time data source UE1 crossing voice always.Same another data source UE obtains the transfer resource that is used to transmit that DCH is assigned with from base-station node B, for example in time slot 13, and code 1 to 4 and code 1,3,5 and 8 in time slot 14.Obviously the NRT transfer of data that relates to the 128Kbit/s data service.The important part of the resource of data source UE is that available code and the transmission tempus intercalare of using in real time at UE do not obtain the code 4 of distributing to real time data source UE in time slot 11 specially in addition.If resource management in the NRT transmission course, is given other data source UE with other code and/or time slot allocation, and is so same.
Obviously, other data source also can be the real time data source and have one or two codes, decides according to quality of connection, exports on a time slot.
In addition, for example according to Fig. 1, the connection of a base-station node B1 of a NRT data source UE3 request.According to another embodiment of the invention, the PUSCH resource allocation on the USCH is connected to this.Be exemplified below, " the not using " code 15 and 16 in the time slot 13 and 15 is distributed to this and is connected, can realize the data service of 64Kbit/s thus.In addition, can get rid of very effectively and the conflicting of for example real time data source UE1 and NRT data source UE.According to the method for prior art, for example NRT data source UE3 obtains code 1 on the time slot 11 that transmission time intermittently of real time data source UE4 is assigned with to code 4, and this is insecure situation.
Fig. 4 roughly show for example about a plurality of tdma frame n, n+1 ... data source UE1, UE2, UE3, UE4 are given in the resource allocation among the time slot TS13 of n+3.
As shown in the figure, directly depend on activation resource, the perhaps number of one group of tdma frame, for example 2 or 4 tdma frames respectively as each tdma frame of dedicated channel DCH along the number of the available resources among the up link shared channel USCH.For example the maximum allowable number order of the use resource of each time slot TS13 is 8.Situation in addition uses data source UE1, the UE2 of dedicated channel DCH to wait for, no longer is used up to this number according to up link shared channel resource.Therefore, 8 resources never can be used simultaneously.If use UE1, the UE2 of dedicated channel DCH not to wait for, so perhaps can during distribution use 8 resources simultaneously.
For example, the transition to tdma frame n+3 can occur,, rather than wait until tdma frame n+3 as long as data source UE2 sends at tdma frame n+2 from tdma frame n+2.
Thus, the uplink shared channel receives the resource that all do not use as dedicated channel.Intermittently draw the number that really is used for USCH transmission use resource by the transmission on the dedicated channel (DCH).
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| DE2000114396 DE10014396C2 (en) | 2000-03-23 | 2000-03-23 | Method for resource allocation in a radio communication system and radio communication system for performing the method |
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| WO2006133598A1 (en) * | 2005-06-15 | 2006-12-21 | Huawei Technologies Co., Ltd. | Method and system for allocating communication resources |
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| DE19814123C2 (en) * | 1998-03-30 | 2000-04-06 | Siemens Ag | Method and radio communication system for assigning a radio channel |
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-
2001
- 2001-03-23 WO PCT/DE2001/001139 patent/WO2001072061A1/en not_active Application Discontinuation
- 2001-03-23 CN CN 01807037 patent/CN1419789A/en active Pending
- 2001-03-23 EP EP01923533A patent/EP1266532A1/en not_active Withdrawn
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| US11057868B2 (en) | 2003-11-18 | 2021-07-06 | Interdigital Technology Corporation | Method and apparatus for providing channel assignment information used to support uplink and downlink channels |
| US10237854B2 (en) | 2003-11-18 | 2019-03-19 | Interdigital Technology Corporation | Method and apparatus for providing channel assignment information used to support uplink and downlink channels |
| CN101369978B (en) * | 2004-12-10 | 2011-07-06 | 三星电子株式会社 | Method for informing the availability of reception of traffics and a method for determination of active or inactive state |
| US9838167B2 (en) | 2005-06-15 | 2017-12-05 | Huawei Technologies Co., Ltd. | Method and system for allocating communication resources |
| US8488531B2 (en) | 2005-06-15 | 2013-07-16 | Huawei Technologies Co., Ltd | Method and system for allocating communication resources |
| WO2006133598A1 (en) * | 2005-06-15 | 2006-12-21 | Huawei Technologies Co., Ltd. | Method and system for allocating communication resources |
| US8811330B2 (en) | 2005-06-15 | 2014-08-19 | Huawei Technologies Co., Ltd. | Method and system for allocating communication resources |
| US8599799B2 (en) | 2006-05-18 | 2013-12-03 | Qualcomm Incorporated | Method of improving throughput in a system including persistent assignments |
| US8687542B2 (en) | 2006-05-18 | 2014-04-01 | Qualcomm Incorporated | Method of improving throughput in a system including sticky assignments |
| CN101449621B (en) * | 2006-05-18 | 2013-03-27 | 高通股份有限公司 | A method of improving throughput in a system including sticky assignments |
| CN105554896A (en) * | 2006-08-31 | 2016-05-04 | 高通股份有限公司 | Method of improving throughput in a system including persistent assignments |
| CN105554896B (en) * | 2006-08-31 | 2018-09-28 | 高通股份有限公司 | The method that handling capacity is improved in the system including persistent assignments |
| CN105981469A (en) * | 2014-02-11 | 2016-09-28 | 华为技术有限公司 | Data transmission processing method and apparatus |
| WO2015120577A1 (en) * | 2014-02-11 | 2015-08-20 | 华为技术有限公司 | Data transmission processing method and apparatus |
| US10602509B2 (en) | 2014-02-11 | 2020-03-24 | Huawei Technologies Co., Ltd. | Data transmission processing method and apparatus |
| CN105981469B (en) * | 2014-02-11 | 2020-04-21 | 华为技术有限公司 | Data transmission processing method and device |
| US11425709B2 (en) | 2014-02-11 | 2022-08-23 | Huawei Technologies Co., Ltd. | Data transmission processing method and apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1266532A1 (en) | 2002-12-18 |
| WO2001072061A1 (en) | 2001-09-27 |
| DE10014396C2 (en) | 2002-10-24 |
| DE10014396A1 (en) | 2001-10-04 |
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