WO2007148704A1 - 基地局及びスケジューリング方法 - Google Patents
基地局及びスケジューリング方法 Download PDFInfo
- Publication number
- WO2007148704A1 WO2007148704A1 PCT/JP2007/062351 JP2007062351W WO2007148704A1 WO 2007148704 A1 WO2007148704 A1 WO 2007148704A1 JP 2007062351 W JP2007062351 W JP 2007062351W WO 2007148704 A1 WO2007148704 A1 WO 2007148704A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- scheduling
- fixed allocation
- mobile station
- base station
- control information
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 20
- 238000005259 measurement Methods 0.000 claims description 21
- 230000005540 biological transmission Effects 0.000 claims description 18
- 230000011664 signaling Effects 0.000 claims description 15
- 238000001514 detection method Methods 0.000 description 20
- 238000012545 processing Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000012937 correction Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000002085 persistent effect Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013468 resource allocation Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
- H04W72/1273—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of downlink data flows
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
- H04W72/231—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the layers above the physical layer, e.g. RRC or MAC-CE signalling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/51—Allocation or scheduling criteria for wireless resources based on terminal or device properties
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/535—Allocation or scheduling criteria for wireless resources based on resource usage policies
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
Definitions
- the present invention relates to a base station and a scheduling method.
- VoIP Voice over Internet Protocol
- RB radio bearer
- HSDPA High Speed Downlink Packet Access
- every TTI Transmissi on Time Interval assigns a transmission opportunity to downlink data addressed to the mobile station by HS—SCCH (High Speed Shared Control Channel). It is configured to notify you that it has been received.
- SCCH High Speed Shared Control Channel
- Fixed allocation scheduling is configured such that “applicability of fixed allocation scheduling (allocation cycle)” is set as an attribute of the radio bearer.
- the unit of the allocation period that can be set is a frame unit (N X 10 msec: N is an integer of N> 0).
- N is an integer of N> 0.
- Data is transmitted to such “evolved UTRA” with known traffic patterns such as VoIP, and assigned to the downlink data via a signaling channel corresponding to HS-SCCH in HSDPA.
- a signaling channel corresponding to HS-SCCH in HSDPA.
- reception quality in the L1 / L2 control channel corresponding to HS-SCCH in HSDPA may temporarily deteriorate temporarily.
- the mobile station cannot receive the allocation information (scheduling information) for the data transmitted via the L1 / L2 control channel even when data destined for the mobile station exists.
- error resistance can be increased by changing the coding rate of data to be transmitted, for example, by encoding the data at a low coding rate.
- the degree of freedom for a method for improving reception quality is higher than that of an L1 / L2 control channel by repeatedly transmitting powerful data.
- scheduling information for example, allocation information for data
- allocation information for example, allocation information for data
- the present invention has been made in view of the above points, and in the case where “fixed allocation scheduling” and “normal scheduling” are used in combination, the above-described signaling channel is used. It is an object of the present invention to provide a base station and a scheduling method capable of switching the scheduling to be used from “normal scheduling” to “fixed allocation scheduling” based on the reception status of the network.
- a first feature of the present invention is that fixed allocation scheduling for transmitting data addressed to a specific mobile station at a predetermined timing or movement in a good reception state is performed with respect to a specific radio bearer.
- a scheduling means configured to use non-fixed allocation scheduling for allocating a transmission opportunity for data addressed to a station, and configured to generate control information used in the fixed allocation scheduling.
- Control information generating means, control information notifying means configured to notify the mobile station of the control information, and scheduling to be used for the specific radio bearer.
- Fixed allocation scheduling capability is configured to notify the mobile station of switching to the fixed allocation scheduling.
- Switching notification means wherein the scheduling means assigns scheduling to be used for the specific radio bearer based on the reception state of the control information in the mobile station.
- Guidance scheduling power It is possible to switch to the fixed allocation scheduling. The gist of this is
- the scheduling means is configured such that the reception quality at the specific radio bearer is below a predetermined threshold based on a propagation path state measurement signal from the mobile station. If determined, the scheduling ring to be used for the specific radio bearer may be configured to switch to the non-fixed allocation scheduling power to the fixed allocation scheduling.
- the scheduling means includes a moving speed detecting means configured to detect a moving speed of the mobile station based on a pilot signal from the mobile station. If it is determined that the moving speed of the mobile station is equal to or higher than a predetermined threshold, scheduling to be used for the specific radio bearer is used as the non-fixed allocation scheduling power and the fixed allocation scheduling. It may be configured to switch.
- control information notifying means is a control used in the fixed allocation scheduling for the mobile station when the specific radio bearer is set. It is configured to notify information.
- control information notification means may be configured to notify the control information to the mobile station by RRC signaling.
- the switching notification means uses RRC signaling for scheduling to be used for the specific radio bearer, the non-fixed allocation scheduling power is also the fixed allocation. It may be configured to notify the mobile station of switching to scheduling.
- the switching notification means uses MAC control PDU to perform scheduling for the specific radio bearer using the non-fixed allocation scheduling power and the fixed allocation scheduling.
- the mobile station may be notified.
- the scheduling means uses scheduling to be used for the specific radio bearer based on a reception state of the control information in the mobile station.
- Fixed allocation scheduling power Non-fixed allocation scheduling It is configured to switch to Kageyuring.
- a second feature of the present invention is a scheduling method used in fixed allocation scheduling for transmitting data addressed to a specific mobile station to a specific radio bearer at a predetermined timing. Generating the control information to be transmitted, notifying the mobile station of the control information, and receiving the control information in the mobile station based on the reception state of the control information. A step of notifying the mobile station of switching from non-fixed allocation scheduling that allocates a transmission opportunity to data addressed to a mobile station in a good reception state to the fixed allocation scheduling. The gist.
- FIG. 1 is a functional block diagram of a base station according to an embodiment of the present invention.
- FIG. 2 is an explanatory diagram showing an example of scheduling information.
- FIG. 3 is a functional block diagram of a mobile station according to an embodiment of the present invention.
- FIG. 4 is a flowchart showing the operation of the base station according to one embodiment of the present invention.
- FIG. 5 is an explanatory diagram showing transmission timings in the base station according to one embodiment of the present invention.
- FIG. 6 is a flowchart showing an operation of a base station according to a modified example of the present invention.
- the mobile communication system includes a base station (eNodeB) 100 and a mobile station 200 capable of wireless communication with the base station (eNodeB) 100.
- eNodeB base station
- eNodeB mobile station
- a base station (eNodeB) 100 according to the present embodiment will be described with reference to FIG.
- the base station (eNodeB) 100 includes a receiving unit 102, a reception quality'moving speed detecting unit 104, a scheduler 106, a data buffer 108, a scheduling information generating unit 110, and a transmitting unit 1 12, an RRC control unit 114, and a MAC control unit 116.
- Receiving section 102 receives a pilot signal transmitted by mobile station 200 and a propagation path state measurement signal (for example, measurement report, CQI report, etc.), and inputs the received quality to movement speed detecting section 104. It is configured as follows.
- Reception quality 'moving speed detector 104 is based on information input by receiver 102.
- the reception quality / movement speed detection unit 104 is configured to estimate the reception quality of the scheduling information in the mobile station 200 based on the SIR measurement report included in the input Measurement report. .
- the measurement report includes the reception quality of the scheduling information (for example, L1 /
- the reception quality 'moving speed detection unit 104 is configured to estimate the reception quality of the scheduling information in the mobile station 200 based on the input CQI report.
- CQI Channel Quality Indicator
- eNodeB base station
- the reception quality 'moving speed detection unit 104 is configured to obtain the Doppler spread based on the input pilot signal and detect the moving speed of the mobile station 200.
- Reception quality 'moving speed detector 104 is configured to input the detection result to scheduler 106.
- the scheduler 106 When transmitting data with a known traffic pattern such as VoIP, the scheduler 106 reduces the transmission frequency of signaling information (scheduling information) via a signaling channel corresponding to HS-SCCH in HSDPA. Can be used together with “non-fixed allocation scheduling (normal scheduling)” that allocates data transmission opportunities to users (mobile stations) with good radio communication status for each TTI. It is configured to
- the scheduler 106 sets the scheduling to be used based on a predetermined condition as “normal”. Judge that it should switch from “scheduling” to “fixed allocation scheduling”. Such determination may be configured to be performed by the RRC control unit 114.
- the scheduler 106 may determine that the scheduling to be used should be switched from “fixed allocation scheduling” to “normal scheduling” based on a predetermined condition. Such determination may be configured to be performed by the RRC control unit 114.
- the reception quality of the scheduling information transmitted through the L1 / L2 control channel may be greatly deteriorated temporarily due to shadowing or high-speed movement.
- data other than the data for which the traffic pattern transmitted by “fixed allocation scheduling” is known for example, the data transmitted by “normal scheduling”, or the traffic pattern is not known.
- “fixed allocation scheduling” is applied when the mobile station determines that the reception quality of scheduling information is poor.
- the scheduler 106 changes the scheduling to be used from "normal scheduling” to "fixed” based on at least one of the reception quality detection result and the movement speed detection result input by the reception quality 'movement speed detection unit 104. Judgment on whether or not to switch to “scheduled allocation scheduling”.
- the scheduler 106 determines the scheduling to be used from “fixed allocation scheduling” based on at least one of the reception quality detection result and the movement speed detection result input by the reception quality ′ movement speed detection unit 104. You can decide whether or not you should switch to “normal scheduling”.
- the RRC control unit 114 determines whether or not the scheduling to be used should be switched from "normal scheduling” to "fixed allocation scheduling"
- the RRC control unit 114 receives the reception quality 'moving speed'. The determination is made with reference to at least one of the reception quality detection result and the moving speed detection result input to the scheduler 106 by the detection unit 104.
- the power for explaining the case where the scheduler 106 makes the above-described determination can also be applied to the case where the above-described determination is made by the RRC control unit 114.
- the RRC control unit 114 notifies the scheduler 106 of the determination result.
- scheduler 106 determines that the reception quality (for example, the number of reception errors and the reception error rate) in the L1 / L2 control channel is equal to or less than a predetermined threshold based on the reception quality detection result.
- the mobile station 100 determines that the reception error rate of the scheduling information is large, and determines that the scheduling to be used should be switched from “normal scheduling” to “fixed allocation scheduling”.
- the scheduler 106 determines that the reception quality (for example, the number of reception errors and the reception error rate) in the L1 / L2 control channel is equal to or higher than a predetermined threshold based on the reception quality detection result, The mobile station 100 determines that the reception quality in the L1 / L2 control channel has improved, and determines the scheduling to be used as “fixed allocation scheduling”. You may decide that you should switch from "normal scheduling" to ".”
- the scheduler 106 determines that the moving speed of the mobile station 200 is equal to or higher than a predetermined threshold based on the moving speed detection result, the scheduler 106 enters a region where the reliability of the scheduling information cannot be guaranteed. Judge that it should move, and decide that the scheduling to be used should be switched from “normal scheduling” to “fixed allocation scheduling”.
- the scheduler 106 determines that the moving speed of the mobile station 200 has become less than a predetermined threshold based on the moving speed detection result, the mobile station 200 cannot guarantee the reliability of the scheduling information. It may be determined that the possibility of moving to a region has become low, and it may be determined that the scheduling to be used should be switched from “fixed allocation scheduling” to “normal scheduling”.
- the scheduler 106 determines that the scheduling to be used should be switched from “normal scheduling” to “fixed allocation scheduling”, according to the parameters (described later) set in advance in the RRC control unit 114 It is configured to perform “fixed allocation scheduling”. In addition, when the scheduler 106 determines that the scheduling to be used should be switched from “normal scheduling” to “fixed allocation scheduling”, according to the parameters (to be described later) determined at the time of the effort, Configured to do "fixed allocation scheduling”.
- the data buffer 108 is configured to store upper layer data.
- the scheduler 106 generates shared channel data from the upper layer data stored in the data buffer 108 and allocates a transmission opportunity to the shared channel data addressed to the mobile station 200.
- Scheduling information generating section 110 generates scheduling information to be used when “fixed allocation scheduling” is performed, and mobile station 2 via transmitting section 112. Notify 00.
- the scheduling information includes information (control information) on radio resources including at least part of the information shown in FIG. 2 as parameters used when “fixed allocation scheduling” is performed. Is set.
- information on the radio resource is “User ID (UE I
- the information on the radio resources to be used includes “Hybrid ARQ Process Number” in Category 3.
- the scheduler 106 determines the amount of radio resources to be allocated according to the reception quality result or the movement speed detection result input by the reception quality / movement speed detection unit 104, for example. Configured to be
- It may be configured to allocate a predetermined amount of radio resource that is set in advance.
- the RRC control unit 114 normally receives data other than data with a known traffic pattern transmitted by "fixed allocation scheduling", for example, data transmitted by "normal scheduling” and traffic patterns.
- the above-mentioned parameters used when “fixed allocation scheduling” is performed on unknown data are set to notify the mobile station 200 of the scheduling information V. .
- the RRC control unit 114 notifies the mobile station 200 of scheduling information related to the radio bearer at the timing of setting the radio bearer.
- the scheduling information is configured to notify the timing at which transmission opportunities may be assigned to data, for example, the frame period, that is, the period at which the shared channel is transmitted.
- the RRC control unit 114 when the scheduler 106 determines that the scheduling to be used should be switched from "normal scheduling” to "fixed allocation scheduling", the "fixed allocation scheduling"
- the scheduling information including the parameters used in the above may be configured to be transmitted to the mobile station 200.
- the RRC control unit 114 is used to notify the scheduler 106 when it is determined that the scheduling to be used should be switched from "normal scheduling” to "fixed allocation scheduling". A switching notification is sent to mobile station 200.
- the effective switching notification may include information specifying the timing of switching the scheduling to be used.
- Such a determination may be configured to be performed by the RRC control unit 114.
- the RRC control unit 114 sends a switching notification to notify the mobile station. Sent to 200.
- the switching notification may be configured to be transmitted to the mobile station 200 as a MAC control PDU by the MAC control unit 116.
- the receiving side knows that data is transmitted based on “fixed allocation scheduling”.
- signaling by RRC can be eliminated by sending a powerful switching notification as a MAC control PDU.
- Mobile station 200 includes receiving section 202, scheduling information decoding section 204, data demodulation / decoding section 206, RRC 208, MAC control section 210, reception quality measurement section 212, and quality information generation section. 214 and a transmission unit 216.
- Scheduling information transmitted by base station 100 is received by receiving section 202 and input to scheduling information decoding section 204.
- the scheduling information decoding unit 204 is configured to decode the input scheduling information and input the decoded scheduling information to the data demodulation / decoding unit 206.
- Scheduling information decoding section 204 is configured to measure the reception quality of the scheduling information (for example, the number of reception errors, the reception error rate, etc.) and input the measurement result to reception quality measurement section 212. And
- Data transmitted from base station 100 through the shared channel is received by reception section 202 and input to data demodulation / decoding section 206.
- the data demodulation / decoding unit 206 is configured to perform a decoding process on the data transmitted via the shared channel. .
- the pilot signal transmitted from base station 100 via the pilot channel is received by receiving section 20
- the reception quality measurement unit 210 is configured to measure the reception quality of the pilot signal and input the measurement result to the quality information generation unit 212.
- Reception quality measuring section 210 measures the reception quality of the scheduling information (for example, the number of reception errors and the reception error rate in the L1 / L2 control channel), and gives a strong measurement result to the quality information generation section. 212 is configured to input!
- Quality information generating section 212 generates quality information from the input reception quality measurement result.
- the transmission unit 216 is configured to transmit.
- the RRC 208 sets scheduling information used when “fixed allocation scheduling” notified from the base station 100 is performed. That is, the RRC 208 is configured to store the notified scheduling information.
- the RRC 208 sets the scheduling information notified at the timing of setting the wireless bearer.
- the RRC 208 sets the scheduling information notified at the timing when it is determined that the scheduling used in the base station 100 should be switched to “fixed allocation scheduling”.
- the RRC 208 determines the scheduling to be used from the base station 100 as "normal schedule”. When an RRC message containing a switch notification is sent to notify that it should be switched from “one ring” to “fixed allocation scheduling”, a strong switch notification is sent to the data demodulator 'decoding unit 206. To do.
- the data demodulation / decoding unit 206 follows the scheduling information used when “fixed allocation scheduling” preset in the RRC 208 is performed.
- the data demodulation / decoding section 206 may share the shared channel according to the scheduling information notified at the timing when it is determined that the scheduling used in the base station 100 should be switched to “fixed allocation scheduling”. Demodulation processing and decoding processing are performed on the data transmitted through the network.
- the MAC control unit 210 transmits a powerful switching notification to the data demodulation and decoding unit 206.
- the data demodulation 'decoding unit 206 follows the scheduling information used when “fixed allocation scheduling” set in the RRC 208 in advance is performed.
- step S402 the RRC control unit 114 performs scheduling information indicating information (parameters, control information) regarding radio resources used when “fixed allocation scheduling” is performed. And notifies the mobile station 200 of powerful scheduling information.
- the RRC control unit 114 notifies the mobile station 200 of powerful scheduling information at the timing of setting the radio bearer.
- step S404 receiving section 102 receives a pilot signal transmitted by mobile station 200 and a channel measurement signal (for example, a measurement report, a CQI report, etc.).
- a channel measurement signal for example, a measurement report, a CQI report, etc.
- the measurement report, CQI report, and pilot signal (quality information) received by the receiving unit 102 are input to the reception quality / moving speed detecting unit 104.
- Reception quality / movement speed detection section 104 detects at least one of reception quality and movement speed based on the quality information input by reception section 102 and inputs it to scheduler 106.
- step S406 the scheduler 106 determines whether or not the scheduling to be used should be switched from "normal scheduling” to "fixed allocation scheduling” based on at least one of the received reception quality and moving speed information. Determine whether or not. Such determination may be made by the RRC control unit 114.
- step S408 the scheduler 106 performs fixed allocation scheduling. Based on the above, downlink data is transmitted through the shared channel.
- step S410 the scheduler 106 performs processing based on the normal scheduling. Downlink data is transmitted on a shared channel for non-fixed allocation scheduling.
- the L1 / L2 control associated with the shared resource (DL-S CH: Downlink Shared CHannel) is assigned to the radio resource allocation information based on the scheduling information (Downlink Scheduling info.) Sent over the channel.
- the modulation method, error correction code rate, etc. are adaptively changed at high speed according to the propagation path state, that is, AMC (Adaptive Modulation and Coding) is applied. Is done.
- AMC Adaptive Modulation and Coding
- base station 100 has poor reception quality of scheduling information in mobile station 200. If it is determined that the scheduling is to be performed, the scheduling to be used is switched from “normal scheduling” to “fixed allocation scheduling”.
- downlink data is transmitted via the shared data channel without transmitting scheduling information via the L1 / L2 control channel associated with the shared channel.
- downlink data is transmitted in a predetermined format without performing processing such as AMC.
- the mobile station 200 performs a decoding process and a decoding process on the downlink data addressed to the mobile station 200 based on the information on the radio resource included in the scheduling information notified in advance. . That is, the base station (eNodeB) 100 transmits downlink data addressed to the mobile station 200 by using a modulation scheme or error correction code rate set in advance in the scheduling information.
- the base station (eNodeB) 100 transmits downlink data addressed to the mobile station 200 by using a modulation scheme or error correction code rate set in advance in the scheduling information.
- "fixed allocation scheduling" can be used for each of a plurality of logical channels (for example, logical channels for VoIP communication) multiplexed in the radio bearer. Constructed to be good.
- the scheduling to be used is changed from "normal scheduling” to "fixed allocation scheduling”. By switching, downlink data can be transmitted.
- receiving section 102 receives a pilot signal transmitted by mobile station 200 and a propagation path measurement signal (for example, a measurement report or a CQI report).
- a propagation path measurement signal for example, a measurement report or a CQI report.
- the measurement report, CQI report, and pilot signal (quality information) received by the receiving unit 102 are input to the reception quality / moving speed detecting unit 104.
- Received quality ⁇ The moving speed detector 104 is based on the quality information input by the receiver 102. Then, at least one of the reception quality and the moving speed is detected and input to the scheduler 106.
- step S604 the scheduler 106 determines whether or not to switch the scheduling to be used from "normal scheduling” to "fixed allocation scheduling” based on at least one of the received reception quality and moving speed information. Determine whether or not. Such determination may be made by the RRC control unit 114.
- step S606 When it is determined that the scheduling to be used should be switched from “normal scheduling” to "fixed allocation scheduling” (step S604: YES), in step S606, the RRC control unit 114 sets "fixed scheduling". Scheduling information indicating information (parameters, control information) related to radio resources used when “scheduled allocation scheduling” is performed is generated, and powerful scheduling information is notified to the mobile station 200.
- step S608 the scheduler 106 transmits downlink data via the shared channel based on the fixed allocation scheduling.
- step S610 the scheduler 106 performs processing based on the normal scheduling. Downlink data is transmitted on a shared channel for non-fixed allocation scheduling.
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2007800229729A CN101473687B (zh) | 2006-06-19 | 2007-06-19 | 基站以及调度方法 |
US12/305,896 US8295232B2 (en) | 2006-06-19 | 2007-06-19 | Base station and scheduling method |
EP07745522.8A EP2037694B1 (en) | 2006-06-19 | 2007-06-19 | Base station and scheduling method |
JP2008522480A JP5118033B2 (ja) | 2006-06-19 | 2007-06-19 | 基地局及びスケジューリング方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006169437 | 2006-06-19 | ||
JP2006-169437 | 2006-06-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007148704A1 true WO2007148704A1 (ja) | 2007-12-27 |
Family
ID=38833446
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/062351 WO2007148704A1 (ja) | 2006-06-19 | 2007-06-19 | 基地局及びスケジューリング方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US8295232B2 (ja) |
EP (1) | EP2037694B1 (ja) |
JP (1) | JP5118033B2 (ja) |
KR (1) | KR20090019863A (ja) |
CN (1) | CN101473687B (ja) |
TW (1) | TW200810405A (ja) |
WO (1) | WO2007148704A1 (ja) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009131143A1 (ja) * | 2008-04-22 | 2009-10-29 | 株式会社エヌ・ティ・ティ・ドコモ | 移動通信方法、移動局及び無線基地局 |
WO2009131154A1 (ja) * | 2008-04-22 | 2009-10-29 | 株式会社エヌ・ティ・ティ・ドコモ | 移動通信方法、移動局及び無線基地局 |
JP2010166628A (ja) * | 2008-04-22 | 2010-07-29 | Ntt Docomo Inc | 移動通信方法、移動局及び無線基地局 |
WO2011118577A1 (ja) * | 2010-03-23 | 2011-09-29 | 住友電気工業株式会社 | 基地局装置及び端末装置 |
JP2011223102A (ja) * | 2010-04-05 | 2011-11-04 | Sumitomo Electric Ind Ltd | 基地局装置 |
CN102257864A (zh) * | 2008-12-16 | 2011-11-23 | 诺基亚公司 | 在通信系统中避免下行链路控制信道覆盖限制的系统和方法 |
RU2470494C2 (ru) * | 2008-04-22 | 2012-12-20 | Нтт Досомо, Инк. | Способ мобильной связи, мобильная станция и базовая станция радиосвязи |
JP5278536B2 (ja) * | 2009-03-23 | 2013-09-04 | 富士通株式会社 | 無線通信システム、基地局装置、端末装置、及び無線通信システムにおける無線通信方法 |
JP2014099877A (ja) * | 2007-02-02 | 2014-05-29 | Mitsubishi Electric Corp | 移動体通信システム、基地局及び移動端末 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101931880A (zh) * | 2009-06-19 | 2010-12-29 | 中兴通讯股份有限公司 | 一种多媒体广播组播业务动态复用的资源分配方法 |
KR101824044B1 (ko) * | 2011-05-17 | 2018-01-31 | 삼성전자주식회사 | 부호화 출력 기능을 구비한 데이터 저장 장치 및 시스템 |
US9602973B2 (en) * | 2013-02-19 | 2017-03-21 | Qualcomm Incorporated | Applying error resiliency based on speed |
US10834640B1 (en) * | 2018-10-09 | 2020-11-10 | Sprint Spectrum L.P. | Methods and systems for selective scheduling based on service types to optimize wireless network capacity |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004336112A (ja) * | 2003-04-30 | 2004-11-25 | Nec Corp | 無線基地局装置、無線基地局装置による無線リソース最適化処理方法 |
JP2006169437A (ja) | 2004-12-17 | 2006-06-29 | Sumika Bayer Urethane Kk | ポリウレタンフォーム成形品の製造方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7191179B2 (en) * | 2003-02-10 | 2007-03-13 | Cingular Wireless Ii, Llc | Distributed profile storage and management in a telecommunication network |
JP4105073B2 (ja) * | 2003-10-21 | 2008-06-18 | 株式会社エヌ・ティ・ティ・ドコモ | パケット送信制御装置及びパケット送信制御方法 |
WO2005125139A1 (en) * | 2004-06-16 | 2005-12-29 | Samsung Electronics Co., Ltd. | Method for transmitting/receiving data in mobile communication systems using an ofdma scheme |
CN1780458A (zh) * | 2004-11-24 | 2006-05-31 | 北京三星通信技术研究有限公司 | 基于时频无线信道资源分配方法 |
EP1869929B1 (en) * | 2005-04-13 | 2015-11-11 | Vringo Infrastructure Inc. | Techniques for radio link resource management in wireless networks carrying packet traffic |
US7729372B2 (en) * | 2005-07-27 | 2010-06-01 | Sharp Corporation | Communicating in a network that includes a medium having varying transmission characteristics |
US7822059B2 (en) * | 2005-07-27 | 2010-10-26 | Atheros Communications, Inc. | Managing contention-free time allocations in a network |
SG163609A1 (en) * | 2005-10-07 | 2010-08-30 | Interdigital Tech Corp | Method and system for providing control information for supporting high speed downlink and uplink |
EP1949631A4 (en) * | 2005-10-21 | 2013-02-20 | Nortel Networks Ltd | OFD MULTIPLEXING SCHEME |
TW201608907A (zh) * | 2006-01-31 | 2016-03-01 | 內數位科技公司 | 無縣通信系統中提供及利用非競爭基礎頻道方法及裝置 |
US7979768B2 (en) * | 2006-03-21 | 2011-07-12 | Interdigital Technology Corporation | Method and system for implementing hybrid automatic repeat request |
US8599799B2 (en) * | 2006-05-18 | 2013-12-03 | Qualcomm Incorporated | Method of improving throughput in a system including persistent assignments |
-
2007
- 2007-06-19 WO PCT/JP2007/062351 patent/WO2007148704A1/ja active Application Filing
- 2007-06-19 CN CN2007800229729A patent/CN101473687B/zh not_active Expired - Fee Related
- 2007-06-19 KR KR1020087031647A patent/KR20090019863A/ko not_active Application Discontinuation
- 2007-06-19 JP JP2008522480A patent/JP5118033B2/ja not_active Expired - Fee Related
- 2007-06-19 EP EP07745522.8A patent/EP2037694B1/en not_active Not-in-force
- 2007-06-19 US US12/305,896 patent/US8295232B2/en not_active Expired - Fee Related
- 2007-06-20 TW TW096122085A patent/TW200810405A/zh unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004336112A (ja) * | 2003-04-30 | 2004-11-25 | Nec Corp | 無線基地局装置、無線基地局装置による無線リソース最適化処理方法 |
JP2006169437A (ja) | 2004-12-17 | 2006-06-29 | Sumika Bayer Urethane Kk | ポリウレタンフォーム成形品の製造方法 |
Non-Patent Citations (4)
Title |
---|
"Ericsson, R1-060099, "Persistent Scheduiing for E-UTRA", TSG-RAN WG1 LTE ADHOC, HELSINKI, 23 January 2006 (2006-01-23) |
"QUALCOMM Europe, R1-060173, "Considerations for control signalling support of Real Time Services", 3GPP TSG-RAN WG1 LTE ADHOC, 23 January 2006 (2006-01-23) |
"Qualcomm Europe, R2-060550, "Further details on HS-SCCH-less operation for VolP traffic", 3GPP TSG-RAN WG2 MEETING #51, DENVER, COLORADO, USA, 13 February 2006 (2006-02-13) |
See also references of EP2037694A4 |
Cited By (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014099877A (ja) * | 2007-02-02 | 2014-05-29 | Mitsubishi Electric Corp | 移動体通信システム、基地局及び移動端末 |
US8755341B2 (en) | 2008-04-22 | 2014-06-17 | Ntt Docomo, Inc. | Mobile communication method, mobile station, and radio base station |
KR101144095B1 (ko) | 2008-04-22 | 2012-05-25 | 가부시키가이샤 엔티티 도코모 | 이동통신방법, 이동국 및 무선기지국 |
CN102017771A (zh) * | 2008-04-22 | 2011-04-13 | 株式会社Ntt都科摩 | 移动通信方法、移动台、及无线基站 |
CN102017770B (zh) * | 2008-04-22 | 2012-12-12 | 株式会社Ntt都科摩 | 移动通信方法、移动台以及无线基站 |
US9185693B2 (en) | 2008-04-22 | 2015-11-10 | Ntt Docomo, Inc. | Mobile communication method, mobile station, and radio base station |
RU2470494C2 (ru) * | 2008-04-22 | 2012-12-20 | Нтт Досомо, Инк. | Способ мобильной связи, мобильная станция и базовая станция радиосвязи |
JP2010166628A (ja) * | 2008-04-22 | 2010-07-29 | Ntt Docomo Inc | 移動通信方法、移動局及び無線基地局 |
WO2009131154A1 (ja) * | 2008-04-22 | 2009-10-29 | 株式会社エヌ・ティ・ティ・ドコモ | 移動通信方法、移動局及び無線基地局 |
KR101144099B1 (ko) | 2008-04-22 | 2012-05-25 | 가부시키가이샤 엔티티 도코모 | 이동통신방법, 이동국 및 무선기지국 |
EP2782411A1 (en) * | 2008-04-22 | 2014-09-24 | Ntt Docomo, Inc. | Mobile communication method and mobile station |
US9220113B2 (en) | 2008-04-22 | 2015-12-22 | Ntt Docomo, Inc. | Mobile communication method, mobile station, and radio base station |
CN102017771B (zh) * | 2008-04-22 | 2014-07-02 | 株式会社Ntt都科摩 | 移动通信方法、移动台、及无线基站 |
RU2503154C2 (ru) * | 2008-04-22 | 2013-12-27 | Нтт Докомо, Инк. | Способ мобильной связи, мобильная станция и базовая станция радиосвязи |
US8767643B2 (en) | 2008-04-22 | 2014-07-01 | Ntt Docomo, Inc. | Mobile communication method, mobile station, and radio base station |
EP2547164A1 (en) * | 2008-04-22 | 2013-01-16 | NTT DoCoMo, Inc. | Mobile communication method, mobile station, and radio base station |
WO2009131143A1 (ja) * | 2008-04-22 | 2009-10-29 | 株式会社エヌ・ティ・ティ・ドコモ | 移動通信方法、移動局及び無線基地局 |
US20120106466A1 (en) * | 2008-12-16 | 2012-05-03 | Nokia Corporation | System and method to avoid downlink control channel coverage limitation in a communication system |
EP2366263A4 (en) * | 2008-12-16 | 2012-08-29 | Nokia Corp | SYSTEM AND METHOD FOR AVOIDING DOWNLINK CONTROL CHANNEL COVER RESTRICTIONS IN A COMMUNICATION SYSTEM |
CN102257864A (zh) * | 2008-12-16 | 2011-11-23 | 诺基亚公司 | 在通信系统中避免下行链路控制信道覆盖限制的系统和方法 |
US8712458B2 (en) | 2009-03-23 | 2014-04-29 | Fujitsu Limited | Radio communication system, base station apparatus, terminal apparatus, and radio communication method for radio communication system |
JP5278536B2 (ja) * | 2009-03-23 | 2013-09-04 | 富士通株式会社 | 無線通信システム、基地局装置、端末装置、及び無線通信システムにおける無線通信方法 |
US9049669B2 (en) | 2010-03-23 | 2015-06-02 | Sumitomo Electric Industries, Ltd. | Base station device and terminal device |
WO2011118577A1 (ja) * | 2010-03-23 | 2011-09-29 | 住友電気工業株式会社 | 基地局装置及び端末装置 |
JP2011223102A (ja) * | 2010-04-05 | 2011-11-04 | Sumitomo Electric Ind Ltd | 基地局装置 |
Also Published As
Publication number | Publication date |
---|---|
US20100142453A1 (en) | 2010-06-10 |
US8295232B2 (en) | 2012-10-23 |
CN101473687B (zh) | 2012-03-28 |
JP5118033B2 (ja) | 2013-01-16 |
CN101473687A (zh) | 2009-07-01 |
TW200810405A (en) | 2008-02-16 |
EP2037694A4 (en) | 2013-01-09 |
JPWO2007148704A1 (ja) | 2009-11-19 |
EP2037694A1 (en) | 2009-03-18 |
EP2037694B1 (en) | 2014-01-15 |
KR20090019863A (ko) | 2009-02-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5118033B2 (ja) | 基地局及びスケジューリング方法 | |
JP4958322B2 (ja) | 高速のアップリンクデータ伝送のためのデータチャネルの制御情報伝送及び受信方法 | |
KR101796712B1 (ko) | 통신 방법, 기지국, 이동 통신 시스템 및 이동 단말 | |
CA2620548C (en) | A method of enabling a combined data rate control lock channel in a wireless communication system | |
KR100667697B1 (ko) | 이동 통신 시스템에서의 채널 품질 정보 요청 및 보고방법, 그리고 그 장치 | |
KR101364926B1 (ko) | 이동통신시스템의 스케줄링 방법 및 장치 | |
KR100600673B1 (ko) | 이동 통신 시스템에서의 채널 품질 정보 요청 및 보고방법, 그리고 그 장치 | |
JP5023062B2 (ja) | 基地局及び方法 | |
CN112368966A (zh) | 时隙内pusch小时隙的灵活重复 | |
US20070287476A1 (en) | Method and apparatus for radio connection setup in a mobile communication system | |
US20130279444A1 (en) | Transmission of data block information in a cellular radio system | |
KR20080013649A (ko) | 이동통신 시스템에서 랜덤액세스 프로시져를 이용한 정보의 송수신방법 및 장치 | |
JP2010502103A (ja) | リアルタイムサービスのグループ分けのためのリソースの割り付け、スケジューリング、およびシグナリング | |
JP4870088B2 (ja) | 移動通信システム、移動局および基地局並びに制御チャネル割り当て方法 | |
KR20080003682A (ko) | 이동 통신 시스템에서 harq 재전송 타이밍을 조정해서패킷을 신속하게 전송하는 방법 및 장치 | |
TW200526048A (en) | Method and system for transferring wireless transmit/receive unit-specific information | |
JP4929280B2 (ja) | 基地局、ユーザ装置及び方法 | |
JP5933505B2 (ja) | パーシステントスケジューリングによってチャネル送信を制御するための方法 | |
KR20230104000A (ko) | 무선 통신 시스템에서 사용자 단말(ue)-간 조정 정보에 대한 제어 시그널링을 핸들링하는 방법 및 장치 | |
KR20080080803A (ko) | 이동 통신 시스템에서 핸드오프 방법 및 시스템 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 200780022972.9 Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 07745522 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2008522480 Country of ref document: JP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1020087031647 Country of ref document: KR |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2007745522 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 12305896 Country of ref document: US |