WO2007052752A1 - パケット通信方法、移動局及び無線基地局 - Google Patents
パケット通信方法、移動局及び無線基地局 Download PDFInfo
- Publication number
- WO2007052752A1 WO2007052752A1 PCT/JP2006/321980 JP2006321980W WO2007052752A1 WO 2007052752 A1 WO2007052752 A1 WO 2007052752A1 JP 2006321980 W JP2006321980 W JP 2006321980W WO 2007052752 A1 WO2007052752 A1 WO 2007052752A1
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- WO
- WIPO (PCT)
- Prior art keywords
- random access
- access request
- channel
- packet
- mobile station
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 description 72
- 238000004891 communication Methods 0.000 description 25
- 238000010295 mobile communication Methods 0.000 description 22
- 238000010586 diagram Methods 0.000 description 11
- 238000007726 management method Methods 0.000 description 10
- 241000760358 Enodes Species 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000013468 resource allocation Methods 0.000 description 4
- 238000012790 confirmation Methods 0.000 description 3
- 238000012384 transportation and delivery Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/54—Store-and-forward switching systems
- H04L12/56—Packet switching systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0866—Non-scheduled access, e.g. ALOHA using a dedicated channel for access
- H04W74/0883—Non-scheduled access, e.g. ALOHA using a dedicated channel for access for un-synchronized access
Definitions
- the present invention relates to a packet communication method, a mobile station, and a radio base station.
- step S10 the mobile station UE selects an access slot ASa that can be used in PRACH (Physical R andom Access Channel), and the preamble initial power to the radio base station NodeB. Sends preamble # 1 in access slot ASa.
- PRACH Physical R andom Access Channel
- FIG. 11 shows an example of a preamble transmitted via the PRACH.
- the powerful preamble is formed by a 16-bit Hadamard sequence.
- the mobile station UE transmits preamble # 1 from the radio base station NodeB via the AICH (Acquisition Indicator Channel) corresponding to the PRACH, even if the transmission power of preamble # 1 also passes for a predetermined period.
- preamble # 2 is transmitted in the access slot ASb to the radio base station NodeB with a preamble power larger than the preamble initial power by a predetermined value.
- step S12 the radio base station NodeB transmits a preamble via the PRACH.
- the delivery confirmation of the corresponding preamble # 2 is transmitted to the mobile station UE in the access slot ASc via the AICH corresponding to the PRACH.
- step S13 the mobile station UE transmits the radio base station NodeB power preamble # 2 via the AICH corresponding to the PRACH before a predetermined period ⁇ -m has elapsed since the transmission of preamble # 2. Since the delivery confirmation is received, the transmission power of preamble # 2 also passes through the PRACH (or PRACH corresponding to the PRACH) for a predetermined period ⁇ pm. The message part (10 ms or 20 ms) is transmitted to the access slot ASd with the transmission power corresponding to the above preamble power.
- the message part (packet access request or the like described later) corresponds to the PRACH (or the PRACH corresponding to the PRACH that transmitted the preamble that received the delivery confirmation).
- PRACH that is, because it is configured to be transmitted through a low-speed common channel, there is a problem that the transmission speed of the message part is slow.
- Non-Patent Document 1 3GPP TS25.211
- Non-Patent Document 2 3GPP TS25.213
- the present invention has been made in view of the above-described problems.
- random access control the transmission speed of a message part (packet access request) is increased and a packet is transmitted. It is an object of the present invention to provide a packet communication method, a mobile station, and a radio base station that can shorten the time until communication is started.
- a first feature of the present invention is a packet communication method in which a mobile station transmits a random access request to a radio base station via a random access channel, and the radio base station In response to receiving the random access request, the station transmits a packet access request for the mobile station to request the start of packet communication from among the radio resources allocated to the uplink shared channel. Allocating a radio resource for transmitting a packet access request, and the radio base station assigns at least one of a downlink shared control channel or a downlink shared data channel corresponding to the random access channel to the mobile station. Via the mobile station, the fact that the random access request has been received and the allocated radio resource for transmitting the packet access request are notified. And a step of transmitting the packet access request using the radio resource for transmitting the packet access request notified by the response. .
- the radio base station informs the mobile station of a notification channel. At least one of the corresponding downlink shared control channels may be notified.
- the radio base station notifies the random access channel or the random access channel to be notified for each cell, for each service class, for each purpose, or for each reception level. At least one of the corresponding downlink shared control channels may be changed.
- the mobile station configures a random access request to be transmitted via the random access channel for each cell, for each service class, for each purpose, or at a reception level. You can change the pattern.
- a second feature of the present invention is a mobile station configured to transmit a random access request to a radio base station via a random access channel!
- a random access request transmitting unit and a packet indicating that the random access request has been received from the radio base station via at least one of the downlink shared control channel or the downlink shared data channel corresponding to the random access channel.
- a response receiving unit configured to receive a response for notifying a radio resource for transmitting a packet access request for transmitting a packet access request for requesting the start of communication; and the response receiving unit
- a packet access request transmitting unit configured to transmit the packet access request using the packet access request transmitting radio resource notified by the received response.
- At least one of the random access channel or the downlink shared control channel corresponding to the random access channel is notified via the broadcast channel transmitted by the radio base station. It may be configured as ⁇ .
- the random access request transmission unit performs random transmission via the random access channel for each cell, for each service class, for each purpose, or for each reception level. It may be configured to change the pattern constituting the access request.
- a third feature of the present invention is a radio base station, which is configured to receive a random access request from a mobile station via a random access channel. And allocated to the uplink shared channel in response to reception of the random access request.
- An allocating unit for allocating a radio resource for transmitting a packet access request for transmitting a packet access request for the mobile station to request the start of packet communication from the allocated radio resources, and for the mobile station A response for notifying that the random access request has been received and the packet access request transmission radio resource via at least one of the downlink shared control channel and the downlink shared data channel corresponding to the random access channel.
- a response transmission unit configured to transmit.
- the mobile station may further comprise a notification unit configured to notify at least one of the channels through a broadcast channel.
- the notifying unit notifies the random access channel or the random access channel to be notified for each cell, for each service class, for each purpose or for each reception level. It may be configured to change at least one of the corresponding downlink shared control channels.
- FIG. 1 is an overall configuration diagram of a mobile communication system according to a first embodiment of the present invention.
- FIG. 2 is a functional block diagram of a mobile station according to the first embodiment of the present invention.
- FIG. 3 is a functional block diagram of a radio base station according to the first embodiment of the present invention.
- FIG. 4 is a diagram showing an example of uplink radio link resource allocation in the mobile communication system according to the first embodiment of the present invention.
- FIG. 5 is a diagram showing an example of uplink radio link resource allocation in the mobile communication system according to the first embodiment of the present invention.
- FIG. 6 is a diagram showing an example of uplink radio link resource allocation in the mobile communication system according to the first embodiment of the present invention.
- FIG. 7 is a diagram showing an example of downlink radio link resource allocation in the mobile communication system according to the first embodiment of the present invention.
- FIG. 8 shows a first operation of the mobile communication system according to the first embodiment of the present invention. It is a sequence diagram.
- FIG. 9 is a sequence diagram showing a second operation of the mobile communication system according to the first embodiment of the present invention.
- FIG. 10 is a sequence diagram showing an operation of the mobile communication system according to the prior art.
- FIG. 11 is a diagram showing an example of a PRACH format used in a mobile communication system according to a conventional technique.
- the mobile communication system controls a plurality of radio base stations eNodeB # 1 and eNodeB # 2 and a plurality of radio base stations eNodeB # 1 and eNodeB # 2, as shown in FIG.
- a central node for example, an access router or a radio network controller RNC.
- each mobile station UE is configured to start packet communication via a radio base station eNodeB and a central node that manage a serving cell by random access control.
- RU radio base station
- the mobile station UE includes a RACH information acquisition unit 11, a RACH information storage unit 12, a random access request transmission unit 13, a random access response reception unit 14, and an allocation request transmission unit 15
- An allocation response receiving unit 16 a packet access request transmitting unit 17, a packet access response receiving unit 18, and a communication unit 19.
- the RACH information acquisition unit 11 acquires RACH information notified via the broadcast channel transmitted by the serving cell or the downlink shared channel assigned to the mobile station UE, and the RACH information storage unit 12 It is configured to store in
- broadcast channel for example, a BCH (Broadcast Channel) defined by 3GPP is assumed.
- the downlink shared channel is a downlink shared control channel or a downlink shared data channel. Is assumed.
- the RACH information acquisition unit 11 is configured to acquire information identifying a random access channel as RACH information.
- the RACH information acquisition unit 11 may be configured to acquire information identifying a downlink shared control channel or a downlink shared data channel corresponding to the random access channel as RACH information.
- RACH Random Access Channel
- the RACH information includes information for specifying radio resources allocated to RACH and the downlink shared control channel corresponding to the RACH.
- the information for identifying the above-described radio resource is a frequency resource (frequency band).
- Time resource time slot, TTI
- code resource spreading code
- the RACH information may include a plurality of pieces of information for specifying the above-described radio resources.
- the radio resources allocated to RACH and the downlink shared control channel corresponding to the RACH may be fixed.
- the random access request transmission unit 13 refers to the RACH information storage unit 12 and sends a random access request (for example, the above-described preamble) to the radio base station eNode that manages the serving cell via the RACH. Is configured to send)! RU
- the random access request may be formed by a 16-bit Hadamard sequence (see FIG. 11). Random access requests are also a powerful 16-bit Hadamard system
- the column is formed to give information such as predetermined priority information!
- the random access request transmission unit 13 may use any method, It may be configured to change the RACH used for sending random access requests.
- the random access request transmission unit 13 uses RACH used for transmission of the random access request for each service class, for each cell, or for each purpose, or a pattern (for example, the random access request).
- the 16-bit Hadamard sequence shown in FIG. 11 is configured to be modified.
- the random access request transmission unit 13 changes the RACH used for transmission of the random access request or the pattern constituting the random access request depending on the purpose of the random access request to be transmitted. It may be configured to.
- the random access request transmission unit 13 is configured to change a RACH used for transmission of the random access request or a pattern constituting the random access request according to a reception level measured in the downlink. Well, okay.
- the random access request transmission unit 13 for example, a random access request transmitted at the time of handover and a random access request transmitted to establish a radio link with the radio base station eNodeB, Established with the radio base station eNodeB! RACH for transmitting these random access requests between the random access requests transmitted for timing adjustment in the radio link, or these random access requests.
- the pattern constituting the access request can be changed.
- the random access request transmission unit 13 uses P (n) to P (n) Hadamard sequences shown in FIG. 11 as patterns of random access requests transmitted at the time of handover.
- P (n) To P (n) Hadamard sequences may be used.
- the random access response receiver 14 has received a random access request from the radio base station eNode via at least one of the downlink shared control channel or the downlink shared data channel corresponding to the RACH that has transmitted the random access request. And a random access response for notifying the radio resource for transmitting the packet access request.
- the random access response is a radio resource in the uplink shared channel to which a packet access request (for example, corresponding to the message part) for requesting the start of packet communication is to be transmitted (ie, a radio for packet access request transmission). Resource).
- the random access response may be configured to include information for specifying a radio resource for transmitting a packet access request to be used.
- the random access response receiving unit 14 identifies a downlink shared data channel including a random access response for notifying the radio resource for transmitting packet access request, from the downlink shared control channel corresponding to RACH. It may be configured to obtain information.
- the random access response may be configured to include information for identifying the RACH corresponding to the downlink shared control channel or the downlink shared data channel! /.
- the random access response may be configured to include transmission timing in the uplink channel and information for identifying the mobile station UE in each radio base station eNodeB.
- the allocation request transmission unit 15 transmits the packet access request transmission radio to the radio base station eNode. It is configured to send an allocation request to request to allocate and notify resources.
- the allocation response receiving unit 16 is configured to receive an allocation response to the allocation request transmitted from the radio base station eNode. It should be noted that the strong allocation response includes information for specifying the allocated packet access request transmission radio resource. [0052]
- the packet access request transmission unit 17 uses the radio resource for packet access request transmission in the uplink shared channel notified by the random access response received by the random access response reception unit 14 to the central node. Configured to transmit a packet access request for requesting the start of packet communication.
- the packet access request transmission unit 17 starts packet communication using the radio resource for packet access request transmission in the uplink shared channel notified by the allocation response received by the allocation response reception unit 16. May be configured to send a packet access request to request.
- the packet access request includes an authentication code of the mobile station UE, information for identifying the capability of the mobile station UE, a security code in the uplink radio link, a service ID, and the like. Note that a part of the information included in the packet access request may be terminated at the radio base station eNodeB, and the rest may be terminated at the central node.
- the packet access response receiving unit 18 is configured to receive a packet access response to the packet access request transmitted from the central node.
- the communication unit 19 sets a link for transmitting / receiving user data (U-plane) to / from the central node, and the link It is configured to communicate via
- the radio base station eNodeB includes a random access request receiving unit 31, a random access response transmitting unit 32, an allocation request receiving unit 33, an allocation response transmitting unit 34, and RAC H information.
- a transmission unit 35 and a resource management unit 36 are provided.
- the random access request receiving unit 31 is configured to receive a random access request from the mobile station UE via RACH.
- the random access response transmission unit 32 refers to the resource management unit 36 and at least one of the downlink shared control channel or the downlink shared data channel corresponding to the RACH that has received the random access request to the mobile station UE. A random access response for notifying that a strong random access request has been received is transmitted. [0060] Further, the random access response transmission unit 32 refers to the resource management unit 36 in response to the random access request reception by the random access request reception unit 31, and refers to the uplink shared channel (for example, FIG. 4 to FIG. 6). Packet access request transmission radio resource for transmitting a packet access request for the mobile station UE to request the start of packet communication among the radio resources allocated to the shared data channel in the uplink shown in FIG. It is configured to be assigned.
- the random access response transmission unit 32 may be configured to allocate the radio resource for packet access request transmission based on the priority information included in the random access request.
- the random access response transmission unit 32 is configured to notify the mobile station UE of the allocated radio resource for packet access request transmission using the random access response described above.
- the random access response transmission unit 32 transmits a random access response including information for identifying the allocated packet access request transmission radio resource to the mobile station UE. It is composed.
- the random access response transmission unit 32 includes a random access response for notifying a powerful packet access request transmission radio resource using the downlink shared control channel corresponding to the RAC H that has received the random access request.
- Information for identifying the downlink shared data channel may be notified, and the packet access request transmission radio resource may be notified via the downlink shared data channel.
- the allocation request receiving unit 33 requests the mobile station UE to allocate and notify a packet access request transmission radio resource via a predetermined channel (for example, RACH or uplink shared control channel). Configured to receive the allocation request.
- a predetermined channel for example, RACH or uplink shared control channel.
- the allocation response transmitting unit 34 refers to the resource management unit 36 and transmits the uplink shared channel (for example, the uplink shown in FIGS. 4 to 6).
- the mobile station UE is configured to allocate a packet access request transmission radio resource for transmitting a packet access request for requesting the start of packet communication from among the radio resources allocated to the shared data channel).
- the allocation response transmission unit 34 may be configured to allocate the radio resource for packet access request transmission based on the priority information included in the allocation request.
- the allocation response transmitting unit 34 when receiving the above allocation request from the mobile station UE, notifies the mobile station UE of the allocated radio resource for packet access request transmission by the allocation response. It is configured to
- the allocation response transmission unit 34 is configured to transmit an allocation response including information for specifying the allocated packet access request transmission radio resource to the mobile station UE. Yes.
- the RACH information transmitting unit 35 is configured to notify the mobile station UE of the RACH by a notification channel with reference to the resource management unit 36.
- the RACH information transmission unit 35 refers to the resource management unit 36, and notifies the mobile station UE of the downlink shared control channel or the downlink shared data channel corresponding to the RACH through the broadcast channel. It's configured as you like.
- the RACH information transmitting unit 35 refers to the resource management unit 36, and notifies the mobile station UE of RACH, a downlink shared control channel corresponding to the RACH, and downlink shared by the broadcast channel. It is configured to transmit RACH information including information for identifying the data channel.
- the RACH information transmitting unit 35 is configured to notify the mobile station UE of RACH information (RACH or downlink shared control channel corresponding to the RACH) for each cell, for each service class, or for each purpose. Or the downlink shared control channel) is configured to change.
- the RACH information transmitting unit 35 is based on RACH information (RACH and RACH information to be notified to the mobile station UE at a predetermined timing based on traffic conditions, wireless communication conditions, etc.). It is configured to change the corresponding downlink shared control channel)!
- the resource management unit 36 is configured to manage radio resources (frequency resources, time resources, code resources) allocated to each channel in the uplink and downlink.
- the resource management unit 36 is configured to manage radio resources allocated to RACH and the downlink shared control channel corresponding to the RACH.
- the resource management unit 36 performs each channel in the uplink and downlink.
- wireless resource allocated to a channel is shown.
- the RACH is configured to be allocated in the frequency block A.
- a plurality of RACHs are code division (CDMA) multiplexed in frequency block A, and in the example of FIG. 5, a plurality of RACHs are frequency divided (in frequency block A).
- a plurality of RACHs are time division (TDMA) multiplexed in frequency block A.
- Radio resources # 1 to # 6 allocated to the uplink shared data channel (uplink shared channel)! / Mobile station (user) E is assigned a radio resource # 1 as a radio resource for packet access request transmission for sending packet access request, and packet for mobile station (user) G to send packet access request
- Radio resource # 2 is allocated as a radio resource for access request transmission
- radio resources # 3 and # 6 are allocated as radio resources for packet access request transmission for mobile station (user) J to transmit a packet access request.
- step S1001 the mobile station UE transmits a random access request to the radio base station eNodeB via one of the RACHs notified as a RACH that can be used in advance. To do.
- the radio base station eNodeB in response to receiving the random access request, performs packet access for the mobile station UE to transmit a packet access request from among the radio resources allocated to the uplink shared channel. Allocate radio resources for request transmission.
- the radio base station eNodeB allocates a radio resource for packet access request transmission based on the priority information included in the random access request.
- the radio base station eNodeB sends the random access request to the mobile station UE via at least one of the downlink shared control channel or the downlink shared data channel corresponding to the RACH that has transmitted the random access request.
- a random access response is sent to notify the reception and the assigned bucket access request transmission radio resource.
- the predetermined radio resources allocated to RACH and the downlink shared control channel or downlink shared data channel corresponding to the RACH may be determined in advance.
- step S1003 the mobile station UE transmits a packet access request to the radio base station eNodeB using the packet access request transmission radio resource notified by the random access response.
- step S1004 the radio base station eNodeB extracts information to be terminated at the radio base station eNodeB included in the strong packet access request, and then forwards the packet access request including the remaining information to the central node. To do.
- the radio base station eNodeB performs a predetermined process associated with the start of packet communication based on the extracted information.
- step S1005 the central node transmits to the radio base station eNodeB a packet access response for notifying that the received packet access request has been received.
- step S1006 the radio base station eNodeB transfers a powerful packet access response to the mobile station UE.
- step S1007 when a packet access response is received by the mobile station UE, user data (U-plane) is transmitted and received between the mobile station UE and the central node. A link is established for communication, and communication is started via the link.
- U-plane user data
- step S2001 the mobile station UE transmits a random access request to one of the radio base stations eNodeB via one of the RACHs that are notified as RACHs that can be used in advance. To do.
- step S2002 the radio base station eNodeB receives the random access request via the downlink shared control channel or downlink shared data channel corresponding to RACH that has transmitted the random access request to the mobile station UE.
- a random access response is sent to notify the effect.
- step S2003 the mobile station UE determines that the random access response does not include information for specifying the radio resource for transmitting the packet access request, and transmits the packet to the radio base station eNode. An allocation request for requesting to notify the access request transmission radio resource is transmitted.
- step S2004 the radio base station eNode moves from the radio resources allocated to the uplink shared channel in response to the reception of the above allocation request transmitted from the mobile station UE.
- the station UE allocates a packet access request transmission radio resource for transmitting the packet access request.
- the radio base station eNodeB is based on the priority information included in the allocation request.
- the radio resource for packet access request transmission is allocated.
- the radio base station eNode notifies the mobile station UE of the packet access request transmission radio resource by an allocation response.
- the radio base station eNode transmits an allocation response including information for specifying the packet access request transmission radio resource to the mobile station UE.
- step S2005 the mobile station UE transmits a packet access request to the radio base station eNodeB using the packet access request transmission radio resource notified by the above allocation response.
- steps S2006 to S2009 are the same as those of steps S1004 to S2009 in FIG. Since the operation is the same as that in 1007, the description is omitted.
- the radio resource for packet access request transmission in the uplink shared channel to which the packet access request should be transmitted is transmitted via the downlink shared control channel corresponding to the radio base station eNodeB power RACH. Since the random access response or assignment response to be notified can be transmitted, the transmission speed of the packet access request (message part) can be increased and the time for starting packet communication can be shortened. it can.
- packet access is performed using a random access response or an assignment response that the radio base station transmits via at least one of the downlink shared control channel or the downlink shared data channel corresponding to the random access channel.
- the packet access request transmission radio resource to which the request should be transmitted can be notified, so that packet communication can be started in a short time.
- the transmission speed of the message part (packet access request) is increased and the time until the start of packet communication is shortened.
- a packet communication method, a mobile station, and a radio base station can be provided.
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Abstract
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Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2006800412236A CN101300874B (zh) | 2005-11-04 | 2006-11-02 | 分组通信方法、移动台和无线基站 |
JP2007542807A JP4584316B2 (ja) | 2005-11-04 | 2006-11-02 | パケット通信方法、移動局及び無線基地局 |
KR1020087011095A KR101246704B1 (ko) | 2005-11-04 | 2006-11-02 | 패킷 통신방법, 이동국 및 무선 기지국 |
EP20060822898 EP1954081A4 (en) | 2005-11-04 | 2006-11-02 | METHOD FOR PACKET COMMUNICATION, MOBILE STATION, AND RADIO BASE STATION |
US12/092,651 US20090154404A1 (en) | 2005-11-04 | 2006-11-02 | Packet communication method, mobile station, and radio base station |
BRPI0618240-2A BRPI0618240A2 (pt) | 2005-11-04 | 2006-11-02 | método de comunicação de pacote, estação móvel, e estação de base de rádio |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2005321624 | 2005-11-04 | ||
JP2005-321624 | 2005-11-04 |
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WO2007052752A1 true WO2007052752A1 (ja) | 2007-05-10 |
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PCT/JP2006/321980 WO2007052752A1 (ja) | 2005-11-04 | 2006-11-02 | パケット通信方法、移動局及び無線基地局 |
Country Status (9)
Country | Link |
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US (1) | US20090154404A1 (ja) |
EP (1) | EP1954081A4 (ja) |
JP (2) | JP4584316B2 (ja) |
KR (1) | KR101246704B1 (ja) |
CN (1) | CN101300874B (ja) |
BR (1) | BRPI0618240A2 (ja) |
RU (2) | RU2416177C2 (ja) |
TW (1) | TW200726113A (ja) |
WO (1) | WO2007052752A1 (ja) |
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JP2009525644A (ja) * | 2006-02-03 | 2009-07-09 | パナソニック株式会社 | 移動通信システムにおけるアップリンクリソースの割当て |
WO2009089789A1 (fr) * | 2008-01-10 | 2009-07-23 | Huawei Technologies Co., Ltd. | Procédé, terminal et station de base pour accès et commutation de bande |
JP2010199823A (ja) * | 2009-02-24 | 2010-09-09 | Nippon Telegr & Teleph Corp <Ntt> | 無線通信方法、無線通信システム、および基地局 |
WO2011111151A1 (ja) * | 2010-03-08 | 2011-09-15 | 富士通株式会社 | エリアの特定方法、無線基地局及び移動端末、並びに無線通信システム |
JP2014532343A (ja) * | 2011-09-28 | 2014-12-04 | 富士通株式会社 | 補助送信ユニットのアクティブ化 |
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KR101319870B1 (ko) | 2006-01-05 | 2013-10-18 | 엘지전자 주식회사 | 이동 통신 시스템에서의 핸드오버 방법 |
EP1969738B1 (en) | 2006-01-05 | 2014-03-12 | LG Electronics Inc. | Transmitting information in mobile communications system |
KR101187076B1 (ko) | 2006-01-05 | 2012-09-27 | 엘지전자 주식회사 | 이동 통신 시스템에 있어서 신호 전송 방법 |
KR101265628B1 (ko) | 2006-01-05 | 2013-05-22 | 엘지전자 주식회사 | 이동 통신 시스템에서의 무선 자원 스케줄링 방법 |
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Also Published As
Publication number | Publication date |
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TWI346472B (ja) | 2011-08-01 |
KR20080072837A (ko) | 2008-08-07 |
RU2010150681A (ru) | 2012-06-20 |
CN101300874B (zh) | 2012-04-18 |
RU2416177C2 (ru) | 2011-04-10 |
JP4584316B2 (ja) | 2010-11-17 |
US20090154404A1 (en) | 2009-06-18 |
RU2008120135A (ru) | 2009-12-10 |
EP1954081A1 (en) | 2008-08-06 |
TW200726113A (en) | 2007-07-01 |
RU2518537C2 (ru) | 2014-06-10 |
CN101300874A (zh) | 2008-11-05 |
BRPI0618240A2 (pt) | 2011-08-23 |
KR101246704B1 (ko) | 2013-03-25 |
EP1954081A4 (en) | 2011-09-28 |
JP2009284532A (ja) | 2009-12-03 |
JPWO2007052752A1 (ja) | 2009-04-30 |
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