JP2016131285A - 基地局、信号合成方法及び信号転送方法 - Google Patents
基地局、信号合成方法及び信号転送方法 Download PDFInfo
- Publication number
- JP2016131285A JP2016131285A JP2015004266A JP2015004266A JP2016131285A JP 2016131285 A JP2016131285 A JP 2016131285A JP 2015004266 A JP2015004266 A JP 2015004266A JP 2015004266 A JP2015004266 A JP 2015004266A JP 2016131285 A JP2016131285 A JP 2016131285A
- Authority
- JP
- Japan
- Prior art keywords
- base station
- signal
- transfer
- received
- terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/022—Site diversity; Macro-diversity
- H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/022—Site diversity; Macro-diversity
- H04B7/026—Co-operative diversity, e.g. using fixed or mobile stations as relays
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0882—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using post-detection diversity
- H04B7/0885—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using post-detection diversity with combination
-
- 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
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0045—Arrangements at the receiver end
-
- 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
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
-
- 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
- H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
-
- 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
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1829—Arrangements specially adapted for the receiver end
- H04L1/1835—Buffer management
- H04L1/1845—Combining techniques, e.g. code combining
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
- H04L5/0035—Resource allocation in a cooperative multipoint environment
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
- H04W16/28—Cell structures using beam steering
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/04—Error control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
-
- 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
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1829—Arrangements specially adapted for the receiver end
-
- 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
- H04L2001/0092—Error control systems characterised by the topology of the transmission link
- H04L2001/0093—Point-to-multipoint
-
- 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
- H04L2001/0092—Error control systems characterised by the topology of the transmission link
- H04L2001/0097—Relays
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
図2は、本開示の実施の形態に係る通信システムの構成例を示す。
図3は、本実施の形態に係る基地局100(合成基地局)の構成を示すブロック図である。
図4は、本実施の形態に係る基地局200(転送基地局)の構成を示すブロック図である。
次に、上述した基地局100及び基地局200の動作例について詳細に説明する。
本実施の形態に係る合成基地局の基本構成は、実施の形態1と同様であるので、図3(基地局100)を援用して説明する。
次に、上述した基地局100及び基地局300の動作例について詳細に説明する。
[1]上記実施の形態では、転送要否の判定基準として、誤り検出結果(ACK/NACK)を用いる場合について説明したが、転送要否の判定基準に用いるパラメータは、誤り検出結果に限定されない。
101,201 端末間通信部
102,202 復調部
103 合成部
104 復号部
105,204 判定部
106,203 基地局間通信部
301 バッファ
Claims (8)
- 1つの端末から送信された信号を他の基地局と協調して受信し、前記他の基地局の受信信号及び自局の受信信号の合成処理を行う基地局であって、
前記端末の初回送信時において、前記自局の受信信号を用いて、前記合成処理の要否を判定する判定部と、
前記合成処理が必要と判定された場合に前記他の基地局に対して前記受信信号の転送を要求するメッセージを送信し、前記端末の再送時において前記他の基地局から転送される転送信号を受信する通信部と、
前記合成処理が必要と判定された場合、前記他の基地局からの前記転送信号と前記自局の受信信号とを合成する合成部と、
を具備する基地局。 - 前記通信部は、前記他の基地局から、各基地局において初回送信時から今回の再送時までに受信された信号が合成された信号を前記転送信号として受信する、
請求項1に記載の基地局。 - 前記転送信号は、前記他の基地局において受信された信号から算出される対数尤度比である、
請求項1に記載の基地局。 - 前記判定部は、初回送信時における前記自局の受信信号の復号結果に誤りが有る場合に前記合成処理が必要と判定する、
請求項1に記載の基地局。 - 前記判定部は、初回送信時における前記自局の受信信号を含む過去に受信した信号の受信品質に対して統計処理を行って得られる統計量が所定の閾値未満の場合に前記合成処理が必要と判定する、
請求項1に記載の基地局。 - 1つの端末から送信された信号を複数の基地局と協調して受信する基地局であり、前記複数の基地局のうち、受信信号の合成処理を行う合成基地局へ自局の受信信号を転送する基地局であって、
前記端末から送信された信号を復調する復調部と、
前記合成基地局から受信信号の転送を要求するメッセージを受信した場合、前記復調後の信号を前記合成基地局へ転送する通信部と、
を具備する基地局。 - 1つの端末から送信された信号を合成基地局及び他の基地局と協調して受信し、前記他の基地局の受信信号及び前記合成基地局の受信信号の合成処理を行う前記合成基地局における信号合成方法であって、
前記端末の初回送信時において、前記合成基地局の受信信号を用いて、前記合成処理の要否を判定し、
前記合成処理が必要と判定された場合、前記他の基地局に対して前記受信信号の転送を要求するメッセージを送信し、前記端末の再送時において、前記他の基地局から転送される転送信号を受信し、
前記合成処理が必要と判定された場合、前記他の基地局からの前記転送信号と前記合成基地局の受信信号とを合成する、
信号合成方法。 - 1つの端末から送信された信号を複数の基地局と協調して受信する基地局であり、前記複数の基地局のうち、受信信号の合成処理を行う合成基地局へ自局の受信信号を転送する基地局における信号転送方法であって、
前記端末から送信された信号を復調し、
前記合成基地局から受信信号の転送を要求するメッセージを受信した場合、前記復調後の信号を前記合成基地局へ転送する、
信号転送方法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015004266A JP6771139B2 (ja) | 2015-01-13 | 2015-01-13 | 通信システム及び信号合成方法 |
PCT/JP2015/006439 WO2016113827A1 (ja) | 2015-01-13 | 2015-12-24 | 基地局、信号合成方法及び信号転送方法 |
US15/503,178 US10194449B2 (en) | 2015-01-13 | 2015-12-24 | Base station, signal synthesis method, and signal forwarding method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015004266A JP6771139B2 (ja) | 2015-01-13 | 2015-01-13 | 通信システム及び信号合成方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016131285A true JP2016131285A (ja) | 2016-07-21 |
JP6771139B2 JP6771139B2 (ja) | 2020-10-21 |
Family
ID=56405395
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015004266A Active JP6771139B2 (ja) | 2015-01-13 | 2015-01-13 | 通信システム及び信号合成方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US10194449B2 (ja) |
JP (1) | JP6771139B2 (ja) |
WO (1) | WO2016113827A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7195198B2 (ja) * | 2019-03-28 | 2022-12-23 | Hapsモバイル株式会社 | 無線通信装置、システム、プログラム、及び制御方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011101358A (ja) * | 2009-11-06 | 2011-05-19 | Fujitsu Ltd | 無線通信システムで使用される方法、無線通信システム、ユーザ装置、アンカーネットワーク局、補助ネットワーク局 |
JP2012520640A (ja) * | 2009-03-16 | 2012-09-06 | アルカテル−ルーセント | ユーザ・データのアップリンク多地点協調伝送のための方法および装置 |
US20130250875A1 (en) * | 2012-03-23 | 2013-09-26 | Qualcomm Incorporated | Methods and apparatus for uplink power control |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6993488B2 (en) * | 2000-06-07 | 2006-01-31 | Nokia Corporation | Audible error detector and controller utilizing channel quality data and iterative synthesis |
JP2007067707A (ja) * | 2005-08-30 | 2007-03-15 | Toshiba Corp | 受信装置 |
US8145733B1 (en) * | 2006-02-15 | 2012-03-27 | Trend Micro Incorporated | Identification of computers located behind an address translation server |
KR101421251B1 (ko) * | 2007-08-14 | 2014-07-18 | 한국과학기술원 | 중계기를 기반으로 하는 다중안테나 무선통신 시스템에서협력 중계를 위한 장치 및 방법 |
WO2009104712A1 (ja) * | 2008-02-20 | 2009-08-27 | 日本電信電話株式会社 | 指向性制御システム、制御装置、協力局装置、受信局装置、指向性制御方法 |
CN102035585B (zh) * | 2009-09-28 | 2015-03-11 | 华为技术有限公司 | 协作中继系统中预编码方法、通信装置和中继装置 |
JP5373690B2 (ja) * | 2010-04-16 | 2013-12-18 | パナソニック株式会社 | 通信システム、メインユニット、無線アクセスユニット及び通信方法 |
JP5990815B2 (ja) * | 2011-11-07 | 2016-09-14 | シャープ株式会社 | 基地局、端末、通信システムおよび通信方法 |
-
2015
- 2015-01-13 JP JP2015004266A patent/JP6771139B2/ja active Active
- 2015-12-24 WO PCT/JP2015/006439 patent/WO2016113827A1/ja active Application Filing
- 2015-12-24 US US15/503,178 patent/US10194449B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012520640A (ja) * | 2009-03-16 | 2012-09-06 | アルカテル−ルーセント | ユーザ・データのアップリンク多地点協調伝送のための方法および装置 |
JP2011101358A (ja) * | 2009-11-06 | 2011-05-19 | Fujitsu Ltd | 無線通信システムで使用される方法、無線通信システム、ユーザ装置、アンカーネットワーク局、補助ネットワーク局 |
US20130250875A1 (en) * | 2012-03-23 | 2013-09-26 | Qualcomm Incorporated | Methods and apparatus for uplink power control |
Also Published As
Publication number | Publication date |
---|---|
WO2016113827A1 (ja) | 2016-07-21 |
US20170238327A1 (en) | 2017-08-17 |
US10194449B2 (en) | 2019-01-29 |
JP6771139B2 (ja) | 2020-10-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4704359B2 (ja) | 無線通信装置、無線通信方法および無線通信システム | |
CN105491621B (zh) | 多基站联合上行链路数据处理 | |
JP6618633B2 (ja) | 無線ネットワークノード、無線デバイス、および、それらにおいて実行される方法 | |
JPWO2009069262A1 (ja) | 無線送信装置および無線送信方法 | |
US20140293889A1 (en) | Controlling Retransmissions | |
JPWO2006090669A1 (ja) | 無線通信方法、中継局装置および無線受信装置 | |
US20110085585A1 (en) | Wireless communication system, wireless communication apparatus, and buffer clearing method | |
JP5288641B2 (ja) | 無線中継装置 | |
EP3580874B1 (en) | Base station and user equipment | |
JP4125283B2 (ja) | データ誤り制御方法 | |
US11968573B2 (en) | Handover method and device in mobile communication system | |
US20200295884A1 (en) | A Network Node And A Terminal Device, And Methods Of Operating The Same | |
US8743769B2 (en) | Radio communication device and radio communication system | |
US20080182581A1 (en) | Mobile communication system and soft handover method used for the same | |
US11528100B2 (en) | HARQ-ACK handling with multiple PUCCH in multi-TRP transmission in NR | |
WO2016113827A1 (ja) | 基地局、信号合成方法及び信号転送方法 | |
WO2019114730A1 (zh) | 数据收发的方法、装置和通信系统 | |
CN110612683B (zh) | 一种上行数据的协作接收方法及网络设备 | |
US7599694B2 (en) | Method for transmitting uplink data during handoff | |
WO2018058369A1 (zh) | 传输数据的方法、接收端设备和发送端设备 | |
CN112970282B (zh) | 用于harq过程配置的方法、设备和计算机可读介质 | |
JP5557335B2 (ja) | 通信装置、基地局、通信システムおよび通信方法 | |
WO2011125333A1 (ja) | 無線通信基地局装置、無線通信端末装置及び無線通信方法 | |
JP2007266752A (ja) | ダイバシティ合成方法および通信装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20170116 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20180403 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20180528 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20181106 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20190604 |
|
RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7422 Effective date: 20190625 |
|
C60 | Trial request (containing other claim documents, opposition documents) |
Free format text: JAPANESE INTERMEDIATE CODE: C60 Effective date: 20190830 |
|
C22 | Notice of designation (change) of administrative judge |
Free format text: JAPANESE INTERMEDIATE CODE: C22 Effective date: 20191210 |
|
C13 | Notice of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: C13 Effective date: 20200303 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20200430 |
|
C22 | Notice of designation (change) of administrative judge |
Free format text: JAPANESE INTERMEDIATE CODE: C22 Effective date: 20200526 |
|
C22 | Notice of designation (change) of administrative judge |
Free format text: JAPANESE INTERMEDIATE CODE: C22 Effective date: 20200728 |
|
C23 | Notice of termination of proceedings |
Free format text: JAPANESE INTERMEDIATE CODE: C23 Effective date: 20200804 |
|
C03 | Trial/appeal decision taken |
Free format text: JAPANESE INTERMEDIATE CODE: C03 Effective date: 20200908 |
|
C30A | Notification sent |
Free format text: JAPANESE INTERMEDIATE CODE: C3012 Effective date: 20200908 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20200909 |
|
R151 | Written notification of patent or utility model registration |
Ref document number: 6771139 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R151 |