WO2007148458A1 - 基地局、移動局、同期制御方法及びicチップ - Google Patents
基地局、移動局、同期制御方法及びicチップ Download PDFInfo
- Publication number
- WO2007148458A1 WO2007148458A1 PCT/JP2007/056103 JP2007056103W WO2007148458A1 WO 2007148458 A1 WO2007148458 A1 WO 2007148458A1 JP 2007056103 W JP2007056103 W JP 2007056103W WO 2007148458 A1 WO2007148458 A1 WO 2007148458A1
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- WIPO (PCT)
- Prior art keywords
- mobile station
- base station
- synchronization request
- feedback information
- information
- Prior art date
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
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- 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
- H04L1/0026—Transmission of channel quality indication
-
- 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
- H04L1/0027—Scheduling of signalling, e.g. occurrence thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
- H04W56/005—Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by adjustment in the receiver
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/0055—Synchronisation arrangements determining timing error of reception due to propagation delay
- H04W56/0065—Synchronisation arrangements determining timing error of reception due to propagation delay using measurement of signal travel time
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/04—Interfaces between hierarchically different network devices
- H04W92/10—Interfaces between hierarchically different network devices between terminal device and access point, i.e. wireless air interface
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Definitions
- Base station mobile station, synchronization control method, and IC chip
- the present invention relates to a base station, a mobile station, a synchronization control method, and an IC chip, and more particularly to a base station, a mobile station, a synchronization control method, and an IC chip when the mobile station performs intermittent reception.
- Intermittent reception is a technique for activating a mobile station only when necessary when receiving a mobile station and receiving a signal transmitted from a base station to save power.
- Discontinuous reception is also referred to as DRX (Discontinuous Reception), and when intermittent transmission of feedback information or the like occurs during intermittent reception, it is also referred to as DRXz DTX (Discontinuous Reception / Discontinuous Transmission).
- the base station scheduler uses a common data channel in a time-sharing manner. However, multiple access is realized by controlling the transmission allocation.
- the minimum time unit for transmission allocation control is called a subframe.
- DL-SCH common data channel
- SCCH common control channel
- Each mobile station receives DL-SCCH for each subframe, detects the presence / absence of data addressed to itself, and demodulates the DL-SCH and receives data if data exists.
- Fig. 1 shows an example of intermittent reception operation in a mobile station using DL SCH and DL-SCCH.
- the mobile station confirms the DL-SCCH, detects the presence / absence of data addressed to the mobile station, and demodulates the DL-SCH if data exists.
- the mobile station may further increase the interval for processing DL—SCCH (eg, 16 subframes). Once) (mode 3).
- Whether or not to perform such stepwise DRX may be determined according to a rule determined in advance between the base station and the mobile station.
- the base station transmits data on the DL-SCH in accordance with the timing of the intermittent reception of the mobile station.
- the mobile station processes DL-SCCH during intermittent reception and confirms that data addressed to the mobile station exists, the mobile station returns to a mode in which it continues to process DL-SCCH after the next subframe. (Mode 1).
- a mobile station in mode 1 reports a CQI (Channel Quality Indicator) to the base station in order to perform scheduling and link adaptation in the base station.
- CQI Channel Quality Indicator
- CQI is an index representing the quality of a radio channel, such as reception SIR (Signal to Interference Power Ratio) of a downlink pilot channel.
- reception SIR Signal to Interference Power Ratio
- the base station compares the CQI between users and assigns transmission to users with good radio quality. By doing so (scheduling), the effect of multi-user diversity can be obtained.
- the base station can determine a transport format and transmission power according to the CQI (link adaptation).
- the mobile station in mode 2 is synchronized with the DRX timing, for example, immediately before it.
- CQI can be reported intermittently according to the DRX cycle (DTX).
- the base station can maintain uplink signal synchronization with the mobile station by periodically reporting CQI.
- the reception timing at the base station needs to be aligned within a predetermined time (eg, within the cyclic 'prefix of the OFDM symbol).
- the reception timing in the base station is always within the predetermined time, and the timing deviation is caused in the base station.
- this refers to the state where uplink synchronization can be maintained.
- mode 3 refers to a state in which when CQI is reported in the DRXZDTX cycle, the reception timing at the base station does not fall within a predetermined time, causing interference to the preceding and following subframes. To do. [0030] When CQI is reported in the DRXZDTX cycle in the above mode 3, there is a problem that a synchronization loss occurs and interferes with the preceding and following subframes.
- the mobile station power reception response (for example, ACKZNACK response of HARQ) of the initial data is received.
- Non-Patent Document 1 W—CDMA mobile communication system, supervised by Keiji Tachikawa, published 4th March, 2002, pp. 222-223
- the present invention has been made in view of the actual situation of the prior art as described above.
- the mobile station is performing intermittent reception, the uplink synchronization loss between the base station and the mobile station is prevented.
- the goal is to improve.
- a first feature of the present invention is a base station that communicates with a mobile station that performs intermittent reception, and a control channel creation unit that creates a synchronization request when data addressed to the mobile station arrives;
- the gist of the present invention is to include a feedback information receiving unit that receives feedback information as a response to the synchronization request, and a signal propagation delay time measuring unit that measures a signal propagation delay time from the reception timing of the feedback information.
- the feedback information may be information for transmitting channel quality information.
- the control channel creation unit may create a synchronization request including radio resource information for receiving the channel quality information.
- the control channel creation unit creates a synchronization request designating a mobile station identifier, and the feedback information includes a data sequence corresponding to the designated mobile station identifier. Even if it contains information.
- a second feature of the present invention is a mobile station that performs intermittent reception with respect to a base station, the synchronization request receiving unit receiving the base station power synchronization request, and a response to the synchronization request.
- the main point is to have a return information creation unit that creates return information.
- a channel quality information measuring unit that measures channel quality information may be provided, and the feedback information may be information for transmitting the channel quality information.
- a DRX control unit that controls to stop transmission of channel quality information to the base station according to a period of intermittent reception may be further included.
- the feedback information may be information including a data sequence corresponding to a mobile station identifier specified by the synchronization request.
- a third feature of the present invention is a synchronization control method in a communication system having a mobile station and a base station that perform intermittent reception, wherein the base station receives data addressed to the mobile station.
- a step of generating a synchronization request a step in which the mobile station receives the synchronization request from the base station, a step in which the mobile station transmits feedback information as a response to the synchronization request,
- the gist of the invention is that the base station includes the step of receiving the feedback information, and the base station measures a signal propagation delay time from the reception timing of the feedback information.
- the mobile station further includes a step of measuring channel quality information, and the feedback information is information for transmitting the channel quality information.
- the feedback information may be information including a data sequence corresponding to a mobile station identifier specified by the synchronization request.
- a fourth feature of the present invention is an IC chip having a function of performing intermittent reception with respect to a base station, the synchronization request receiving unit receiving a synchronization request from the base station, and the synchronization request. And a feedback information creating unit that creates feedback information as a response to the above.
- FIG. 1 is a diagram showing DRXZDTX.
- FIG. 2 is a diagram showing changes in propagation environment that cause loss of synchronization.
- FIG. 3 is a diagram showing a flow of signals communicated between a base station and a mobile station according to the first embodiment of the present invention.
- FIG. 4 is a block diagram of a mobile station according to the first embodiment of the present invention.
- FIG. 5 is a block diagram of a base station according to the first embodiment of the present invention.
- FIG. 6 is a diagram showing an example of feedback information used in the first and second embodiments of the present invention.
- FIG. 7 is a diagram showing a flow of signals communicated between a base station and a mobile station according to the second embodiment of the present invention.
- CQI is used as channel quality information notified from the mobile station (UE) to the base station (eNodeB).
- FIG. 3 shows a signal flow for performing synchronization between the base station and the mobile station in such a case.
- timing advance TA
- DL—SCH common data channel
- DL—S CCH common control channel
- the DL-SCCH is notified that a synchronization request exists, and the DL-SCCH
- a synchronization request may be inserted and transmitted.
- the base station may designate an uplink radio resource for receiving a response to the synchronization request.
- an uplink radio resource a frequency, a subframe, and a mobile station identifier
- An asynchronous channel (random access channel) is used when the mobile station transmits a response to the synchronization request.
- a synchronization request specifying a frequency and a subframe may be used.
- a synchronization request designating a mobile station identifier may be used.
- the mobile station that has received the synchronization request transmits CQI to the base station (S105).
- the mobile station may measure and transmit the CQI when receiving a synchronization request from the base station that may transmit the already measured CQI.
- the mobile station transmits a CQI using the specified radio resource.
- the base station that has received the CQI measures the signal propagation delay time of the CQI reception timing, and creates timing 'advance information (S107).
- the base station transmits this timing advance information to the mobile station (S109).
- Timing 'The mobile station that has received the advance information adjusts the uplink transmission timing. (Sl ll).
- the mobile station also receives downlink data for the base station power (S113), and the data reception result (S113), and the data reception result (S113), and the data reception result (S113), and the data reception result (S113), and the data reception result (S113), and the data reception result (S113), and the data reception result (S113), and the data reception result (S113), and the data reception result (S113), and the data reception result (S113), and the data reception result (S113), and the data reception result (S113), and the data reception result (S113), and the data reception result (S113), and the data reception result (S113), and the data reception result (S113), and the data reception result (S113), and the data reception result (S113), and the data reception result (S113), and the data reception result (S113), and the data reception result (S113), and the data reception result (S113), and the data reception result (S113), and the data reception result (S113), and the data reception result (S113), and the data reception result (S113),
- Ack / Nack is transmitted to the base station (S115).
- the base station transmits the timing advance information and the downlink data in different frames, and transmits the downlink data and the timing 'advance information in the same frame. Also good.
- the mobile station When transmitted in the same frame, the mobile station adjusts the transmission timing of the uplink data from the timing 'advance information, and demodulates the downlink data.
- link adaptation can be applied, that is, optimal radio resource allocation can be performed. For example, an appropriate modulation and coding scheme (MCS) or transmission power can be applied.
- MCS modulation and coding scheme
- FIG. 4 is a block diagram of the mobile station 10 according to the embodiment of the present invention.
- the mobile station 10 includes a reception RF unit 101, an SCCH reception unit 103, an SCH reception unit 105, a CQI measurement unit 107, a DRX control unit 109, a feedback information creation unit 111, and a transmission timing control unit 1
- reception buffer 113 reception buffer 113, transmission buffer 115, transmission signal creation unit 117, multiplexing unit
- a reception RF (Radio Frequency) unit 101 receives a signal transmitted from a base station, and separates signal components such as a common control channel (DL—SCCH) and a common data channel (DL—SCH).
- DL—SCCH common control channel
- DL—SCH common data channel
- SCCH receiving section 103 checks DL—SCCH, detects the presence / absence of data addressed to itself, and notifies DRX control section 109 of the presence / absence of data.
- the DRX control unit 109 controls the frequency of processing DL-SCCH. That is, the DRX control unit 109 performs DL-SCCH when there is no data addressed to itself within a predetermined time.
- the SCCH receiving unit 103 is controlled so as to process intermittently.
- the DRX control unit 109 may instruct the feedback information creation unit 111 to stop CQI transmission to the base station according to the DRX cycle.
- the DRX controller 109 controls to stop CQI transmission to the base station.
- the base station transmits the synchronization request using 01 ⁇ -3 3 11 and 01 ⁇ -3 3 11.
- the mobile station confirms whether or not a synchronization request exists in SCCH reception section 103, and if there is a synchronization request, SCH reception section 105 extracts information included in the synchronization request.
- SCCH receiving unit 103 extracts information included in the synchronization request (indicated by a dotted line in FIG. 4).
- the DL-SCH includes user data, and user data addressed to the own station is stored in the reception buffer 113.
- Feedback information creating section 111 creates feedback information for returning the CQI measured by CQI measuring section 107 to the base station.
- feedback information creating section 111 Upon receiving the synchronization request from the base station, feedback information creating section 111 creates feedback information for returning CQI to the base station as a response to the synchronization request.
- Transmission buffer 115 is a buffer for storing user data to be transmitted from mobile station 10 to the base station.
- transmission signal creation section 117 creates a transmission signal to be transmitted to the base station.
- Multiplex combining section 119 transmits feedback information including CQI created by feedback information creating section 111, and transmission information.
- the transmission signal generated by the reception signal generation unit 117 is multiplexed and transmitted to the base station through the transmission RF unit 121.
- the transmission timing control unit 112 adjusts the transmission timing of the uplink data based on the timing 'advance information.
- FIG. 5 is a block diagram of the base station 20 according to the embodiment of the present invention.
- Base station 20 includes reception RF section 201, CQI reception section 203, TA measurement section 205, individual control C
- the H creation unit 207, the scheduler 209, the transmission buffer 211, the transmission signal creation unit 213, and the transmission RF unit 217 are included.
- the reception RF unit 201 receives a signal transmitted from a mobile station and separates signal components.
- the mobile station transmits a CQI to the base station 20
- the CQI is transmitted to the base station 20 through the reception RF unit 201.
- TA measurement section 205 also measures the signal propagation delay time of CQI reception timing, and generates timing advance information.
- the individual control CH creation unit 207 generates control information for transmitting the timing 'advance information to the mobile station. Timing 'advance information is stored in the transmission buffer 211.
- the scheduler 209 refers to the QoS (Quality of Service) and Z or the amount of staying data stored in the transmission buffer 211, and allocates the user data to an appropriate resource block in consideration of CQI. Perform scheduling.
- QoS Quality of Service
- Z the amount of staying data stored in the transmission buffer 211
- the scheduler 209 instructs the transmission buffer 211 on the data size (transport block size) to be allocated to the resource block.
- Transmission buffer 211 is a buffer for storing user data to be transmitted from base station 20 to the mobile station.
- the dedicated control CH creation unit 207 is instructed to create a synchronization request.
- Individual control CH creation section 207 creates a synchronization request and stores it in transmission buffer 211.
- Transmission signal creation section 213 receives the user data having the data size designated by scheduler 209. A transmission signal for transmitting data to the mobile station is created and transmitted to the mobile station through the transmission RF unit 217.
- User data (including timing 'advance information and synchronization request) stored in the transmission buffer 211 is transmitted to the mobile station using the common control channel (DL-SCCH) and the common data channel (DL-SCH).
- DL-SCCH common control channel
- DL-SCH common data channel
- the power described for an example in which the feedback information is information for transmitting CQI (channel quality information).
- the present invention is not limited to such a case. It is also applicable when other information is included.
- the feedback information creation unit 111 of the mobile station provides feedback information for transmitting the CQI measured by the CQI measurement unit 107, for example, CQI as shown in FIG. It was configured to create feedback information including CQI measured by the measurement unit 107.
- the feedback information creation unit 111 of the mobile station generates a radio resource (mobile station identifier (Signature)) specified by the synchronization request transmitted from the base station.
- the feedback information used to transmit the CQI for example, as shown in FIG. 6B, is configured to create feedback information including the CQI and preamble measured by the CQI measurement unit 107.
- the preamble is a data sequence composed of a part or all of the mobile station identifier (Signature) specified in the synchronization request.
- the preamble may be a data sequence specified by a mobile station identifier (Signature) specified by a synchronization request from a plurality of predetermined data sequences! /.
- the feedback information creation unit 111 of the mobile station is configured to create feedback information including a preamble without including a CQI, as illustrated in FIG. 6 (c). It has been.
- the preamble may be a data sequence composed of a part or all of the mobile station identifier (Signature) specified in the synchronization request, as in the first embodiment.
- it may be a data sequence specified by a mobile station identifier (Signature) specified by a synchronization request from a plurality of predetermined data sequences! / ⁇ .
- the preamble may be a data sequence assigned in advance to each mobile station.
- the transmitting unit RF unit 121 is configured to transmit the feedback information created by the feedback information creating unit 111 as a response to the above-described synchronization request using an asynchronous channel (random access channel). .
- the TA measurement unit 205 of the base station receives feedback information (CQI) or feedback information (CQI + preamble) received by the CQI receiving unit via the reception RF unit 201.
- the reception timing force has also been configured to measure the signal propagation delay time and generate timing 'advance information'.
- TA measuring section 205 of the base station measures the reception timing power signal propagation delay time of the feedback information (preamble) received via reception RF section 201. Configured to generate timing advance information.
- the synchronization request (UL sync request) and the timing 'advance information are transmitted via the transmission RF unit 217 to the common control channel. (DL SCCH) or a common data channel (DL SCH).
- DL SCCH common control channel
- DL SCH common data channel
- the individual control CH creation unit 207 is configured to create a synchronization request.
- the dedicated control CH creation unit 207 selects a dedicated preamble for the mobile station UE from the set of stored preambles, and corresponds to the selected dedicated preamble for the mobile station UE. Create a synchronization request that specifies the mobile station identifier (Signature) It may be configured.
- FIG. 7 shows a signal flow for performing synchronization between the base station and the mobile station in the present embodiment.
- the flow shown in FIG. 7 is basically the same as the flow shown in FIG. 3 except for step S205.
- the mobile station that has received a strong synchronization request uses the asynchronous channel (random access channel) to send feedback information including a preamble corresponding to the mobile station identifier specified by the synchronization request to the base station. (S205).
- asynchronous channel random access channel
- the base station that has received the feedback information measures the signal propagation delay time from the reception timing of the strong feedback information, and creates timing 'advance information (S207).
- the base station transmits this timing advance information to the mobile station using the common data channel or the common control channel (S209).
- the mobile station that has received the advance information adjusts the uplink transmission timing (S211).
- the mobile station also receives downlink data for the base station power (S213), and the data reception result (S213), and the data reception result (S213).
- Ack / Nack is transmitted to the base station (S215).
- the reception response of the mobile station power of the initial data (for example, ACKZ of HARQ)
- a function (module) that constitutes a MAC sublayer and a physical layer which are generally required to be simple and high-speed processing on an IC chip, is realized by using nodeware. Complex processing is required!
- the functions (modules) that make up the RLC sublayer can be implemented in software.
- the function (module) constituting the physical layer, the function (module) constituting the MAC sublayer, and the function (module) constituting the RLC sublayer may be realized on the same IC chip. , And realized on separate IC chips!
- link adaptation can be applied from the first data transmission when returning from intermittent reception to a state in which data transmission / reception is performed, and wireless transmission efficiency, throughput, and transmission delay can be improved.
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Abstract
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Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
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CN200780022661.2A CN101473561B (zh) | 2006-06-19 | 2007-03-23 | 基站、移动台、同步控制方法及集成电路芯片 |
US12/305,922 US8478285B2 (en) | 2006-06-19 | 2007-03-23 | Base station, mobile station, synchronization control method, and IC chip |
CA2656421A CA2656421C (en) | 2006-06-19 | 2007-03-23 | Base station, mobile station, synchronization control method, and ic chip |
MX2008016164A MX2008016164A (es) | 2006-06-19 | 2007-03-23 | Estacion base, estacion movil, metodo de control sincronico y chip ic. |
JP2008522323A JP4603075B2 (ja) | 2006-06-19 | 2007-03-23 | 基地局、移動局、同期制御方法及びicチップ |
AU2007262249A AU2007262249B8 (en) | 2006-06-19 | 2007-03-23 | Base station, mobile station, synchronization control method, and IC chip |
EP07739544.0A EP2037595A4 (en) | 2006-06-19 | 2007-03-23 | BASIC STATION, MOBILE STATION, SYNCHRONIZATION CONTROL PROCEDURE AND IC CHIP |
BRPI0713665 BRPI0713665B1 (pt) | 2006-06-19 | 2007-03-23 | método de comunicação de rádio, estação base, estação móvel e chip de ci |
KR1020087030662A KR101166416B1 (ko) | 2006-06-19 | 2007-03-23 | 기지국, 이동국, 동기제어방법 및 ic칩 |
US13/228,659 US8280392B2 (en) | 2006-06-19 | 2011-09-09 | Base station, mobile station, synchronization control method, and IC chip |
Applications Claiming Priority (2)
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JP2006-169430 | 2006-06-19 | ||
JP2006169430 | 2006-06-19 |
Related Child Applications (2)
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US12/305,922 A-371-Of-International US8478285B2 (en) | 2006-06-19 | 2007-03-23 | Base station, mobile station, synchronization control method, and IC chip |
US13/228,659 Continuation US8280392B2 (en) | 2006-06-19 | 2011-09-09 | Base station, mobile station, synchronization control method, and IC chip |
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WO2007148458A1 true WO2007148458A1 (ja) | 2007-12-27 |
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PCT/JP2007/056103 WO2007148458A1 (ja) | 2006-06-19 | 2007-03-23 | 基地局、移動局、同期制御方法及びicチップ |
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US (2) | US8478285B2 (ja) |
EP (2) | EP2787781B1 (ja) |
JP (3) | JP4603075B2 (ja) |
KR (1) | KR101166416B1 (ja) |
CN (1) | CN101473561B (ja) |
AU (1) | AU2007262249B8 (ja) |
BR (1) | BRPI0713665B1 (ja) |
CA (1) | CA2656421C (ja) |
MX (1) | MX2008016164A (ja) |
PT (1) | PT2787781T (ja) |
RU (1) | RU2431921C2 (ja) |
TW (1) | TW200803252A (ja) |
WO (1) | WO2007148458A1 (ja) |
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WO2010025492A1 (en) * | 2008-09-02 | 2010-03-11 | Commonwealth Scientific And Industrial Research Organisation | Fixed multiple access wireless communication |
JP2010237184A (ja) * | 2009-03-12 | 2010-10-21 | Ntt Docomo Inc | 移動通信方法及び無線基地局 |
JP2011024144A (ja) * | 2009-07-17 | 2011-02-03 | Ntt Docomo Inc | 移動通信システム、移動局及び無線基地局 |
JP2011520317A (ja) * | 2008-03-28 | 2011-07-14 | リサーチ イン モーション リミテッド | 不連続受信の間のランクインジケータ伝送 |
JP2011521499A (ja) * | 2008-03-28 | 2011-07-21 | リサーチ イン モーション リミテッド | 不連続受信を伴うプリコーディング行列インデックスフィードバック交信のためのシステムおよび方法 |
US8339936B2 (en) | 2008-01-11 | 2012-12-25 | Lg Electronics Inc. | Method of resolving overlaps in data transmission and user equipment therefor |
US8462657B2 (en) | 2008-03-21 | 2013-06-11 | Research In Motion Limited | Channel quality indicator transmission timing with discontinuous reception |
US8594035B2 (en) | 2008-02-01 | 2013-11-26 | Blackberry Limited | System and method for uplink timing synchronization in conjunction with discontinuous reception |
JP5629333B2 (ja) * | 2011-02-10 | 2014-11-19 | 富士通株式会社 | 無線データ送信方法、通信システム、無線端末装置及び無線基地局装置 |
US9351321B2 (en) | 2009-01-20 | 2016-05-24 | Sharp Kabushiki Kaisha | Mobile station apparatus, base station apparatus, and radio link synchronization determining method |
JP2017063269A (ja) * | 2015-09-24 | 2017-03-30 | Necネットワーク・センサ株式会社 | 通信システム、主局装置、従局装置及び通信方法 |
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US8478285B2 (en) | 2013-07-02 |
RU2008151383A (ru) | 2010-07-27 |
AU2007262249B2 (en) | 2012-11-01 |
JP2009284533A (ja) | 2009-12-03 |
BRPI0713665B1 (pt) | 2019-11-26 |
JPWO2007148458A1 (ja) | 2009-11-12 |
EP2787781A1 (en) | 2014-10-08 |
KR20090019841A (ko) | 2009-02-25 |
AU2007262249A1 (en) | 2007-12-27 |
JP4603075B2 (ja) | 2010-12-22 |
US8280392B2 (en) | 2012-10-02 |
US20110319116A1 (en) | 2011-12-29 |
EP2037595A1 (en) | 2009-03-18 |
EP2787781B1 (en) | 2017-04-26 |
CN101473561A (zh) | 2009-07-01 |
US20100113054A1 (en) | 2010-05-06 |
AU2007262249B8 (en) | 2013-02-28 |
BRPI0713665A2 (pt) | 2012-10-23 |
EP2037595A4 (en) | 2014-01-08 |
PT2787781T (pt) | 2017-05-11 |
RU2431921C2 (ru) | 2011-10-20 |
CN101473561B (zh) | 2015-09-09 |
CA2656421C (en) | 2014-01-28 |
TWI366999B (ja) | 2012-06-21 |
MX2008016164A (es) | 2009-01-20 |
KR101166416B1 (ko) | 2012-07-19 |
TW200803252A (en) | 2008-01-01 |
BRPI0713665A8 (pt) | 2019-11-05 |
JP2011151863A (ja) | 2011-08-04 |
CA2656421A1 (en) | 2007-12-27 |
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