JP5889419B2 - 複数入力複数出力型無線通信システムにおけるダウンリンクスケジューリングのためのシステム及び方法 - Google Patents
複数入力複数出力型無線通信システムにおけるダウンリンクスケジューリングのためのシステム及び方法 Download PDFInfo
- Publication number
- JP5889419B2 JP5889419B2 JP2014536107A JP2014536107A JP5889419B2 JP 5889419 B2 JP5889419 B2 JP 5889419B2 JP 2014536107 A JP2014536107 A JP 2014536107A JP 2014536107 A JP2014536107 A JP 2014536107A JP 5889419 B2 JP5889419 B2 JP 5889419B2
- Authority
- JP
- Japan
- Prior art keywords
- information
- channel
- mobile devices
- scheduling
- prediction
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
-
- 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
- H04B7/0413—MIMO systems
- H04B7/0452—Multi-user MIMO systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/711—Interference-related aspects the interference being multi-path interference
- H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
-
- 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
- H04B7/0413—MIMO systems
- H04B7/0417—Feedback 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
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/024—Channel estimation channel estimation algorithms
- H04L25/0242—Channel estimation channel estimation algorithms using matrix methods
-
- 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
- H04W52/04—TPC
- H04W52/38—TPC being performed in particular situations
- H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
-
- 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
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
- H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
- H04B7/0465—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking power constraints at power amplifier or emission constraints, e.g. constant modulus, into account
-
- 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
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
-
- 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
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0636—Feedback format
- H04B7/0645—Variable feedback
- H04B7/065—Variable contents, e.g. long-term or short-short
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
Description
[定義1]
[定理1]
単一のモバイルデバイスによるネットワークMIMO送信の下では、
[証明]
サイズが
不完全なCSITを有するネットワークMIMOシステムの場合、MUモードにおける達成可能なレートの漸近的結果は、式(18)に示すように近似することができる。
[証明]
ウィッシャート行列近似を用いると、モバイルデバイス又はユーザuの受信信号は、式(19)に示すように記述し直すことができる。
Claims (9)
- 1以上のモバイルデバイスに対する情報の送信に関わる送信機にチャネル予測を適用するステップと、
前記情報が送信されるチャネルのチャネル状態情報を予測するステップであって、該チャネル状態情報は少なくとも前記チャネル予測に基づくものである、ステップと、
少なくとも、前記予測するステップにより予測されたチャネル状態情報に基づいて、前記情報に適用するプリコーディング行列を決定するステップと、
少なくとも、1以上の前記モバイルデバイスの漸近的エルゴード性レートに基づいて、1以上の前記モバイルデバイスに対する前記情報の送信のスケジューリングを行うステップと
を含み、
前記スケジューリングを行うステップは、少なくとも大規模チャネル挙動に基づいて、1以上の前記モバイルデバイスに対する前記情報の送信のスケジューリングを行うステップを含むものである、方法。 - 前記スケジューリングを行うステップは、少なくとも、1以上の前記モバイルデバイスの最大ドップラーシフトに基づいて、1以上の前記モバイルデバイスに対する前記情報の送信のスケジューリングを行うステップを含むものである、請求項1に記載の方法。
- 前記送信機に前記チャネル予測を適用するステップは、基地局にチャネル予測を適用するステップを含むものである、請求項1に記載の方法。
- 1以上のモバイルデバイスに対して情報を送信する送信機にチャネル予測を適用するチャネル予測部と、
前記情報が送信されるチャネルのチャネル状態情報を予測するチャネル状態情報予測部であって、前記チャネル状態情報は、少なくとも、前記チャネル予測部により適用される前記チャネル予測に基づくものである、チャネル状態情報予測部と、
少なくとも、前記チャネル状態情報部により予測されたチャネル状態情報に基づいて、前記情報に適用するプリコーディング行列を決定するプリコーディング行列部と、
少なくとも、1以上の前記モバイルデバイスの漸近的エルゴード性レートに基づいて、1以上の前記モバイルデバイスに対する前記情報の送信のスケジューリングを行うスケジューリング部と
を備え、
1以上の前記モバイルデバイスの漸近的エルゴード性レートは、少なくとも大規模チャネル挙動に基づくものである、デバイス。 - 中央制御ユニットを備えた請求項4に記載のデバイス。
- 前記中央制御ユニットは、1以上の基地局におけるダウンリンクスケジューリングを制御するものである、請求項5に記載のデバイス。
- 前記送信機が基地局である、請求項4に記載のデバイス。
- 1以上の前記モバイルデバイスの漸近的エルゴード性レートは、少なくとも、1以上の前記モバイルデバイスの最大ドップラーシフトに基づくものである、請求項4に記載のデバイス。
- 1以上のモバイルデバイスに対する情報の送信に関わる送信機にチャネル予測を適用するステップと、
少なくとも前記チャネル予測に基づいて、前記情報が送信されるチャネルのチャネル状態情報を予測するステップと、
少なくとも、予測された前記チャネル状態情報に基づいて、前記情報に適用するプリコーディング行列を決定するステップと、
少なくとも、1以上の前記モバイルデバイスの漸近的エルゴード性レートに基づいて、1以上の前記モバイルデバイスに対する前記情報の送信のスケジューリングを行うステップと
を含む処理であって、前記スケジューリングを行うステップは、少なくとも大規模チャネル挙動に基づいて、1以上の前記モバイルデバイスに対する前記情報の送信のスケジューリングを行うステップを含むものである、処理を、プロセッサを備えたコンピュータデバイスに実行させるコンピュータ実行可能な命令を有するコンピュータ可読型記憶媒体。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201161551285P | 2011-10-25 | 2011-10-25 | |
US61/551,285 | 2011-10-25 | ||
US13/415,463 US9219533B2 (en) | 2011-10-25 | 2012-03-08 | Systems and methods for downlink scheduling in multiple input multiple output wireless communications systems |
US13/415,463 | 2012-03-08 | ||
PCT/CN2012/083366 WO2013060259A1 (en) | 2011-10-25 | 2012-10-23 | Systems and methods for downlink scheduling in multiple input multiple output wireless communications systems |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015503255A JP2015503255A (ja) | 2015-01-29 |
JP5889419B2 true JP5889419B2 (ja) | 2016-03-22 |
Family
ID=48135960
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014536107A Expired - Fee Related JP5889419B2 (ja) | 2011-10-25 | 2012-10-23 | 複数入力複数出力型無線通信システムにおけるダウンリンクスケジューリングのためのシステム及び方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US9219533B2 (ja) |
EP (1) | EP2771981A4 (ja) |
JP (1) | JP5889419B2 (ja) |
KR (1) | KR20140059784A (ja) |
CN (1) | CN103947131A (ja) |
WO (1) | WO2013060259A1 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20140107967A (ko) * | 2013-02-28 | 2014-09-05 | 한국전자통신연구원 | 프리코딩 방법 및 장치 |
CN105491672B (zh) * | 2015-11-26 | 2019-07-16 | 北京邮电大学 | 异构网络中低功率节点对用户的调度方法及装置 |
JP6701796B2 (ja) * | 2016-02-24 | 2020-05-27 | 富士通株式会社 | 基地局、端末、無線通信システム及び基地局制御方法 |
JP6607101B2 (ja) * | 2016-03-15 | 2019-11-20 | 富士通株式会社 | 無線装置用干渉抑制パラメータ演算装置、無線通信システム、無線通信システムの干渉抑制方法、基地局装置および無線端末装置 |
CN106302147B (zh) * | 2016-08-16 | 2019-08-30 | 北京空间飞行器总体设计部 | 一种多链路调度方法 |
US20190162836A1 (en) * | 2017-11-27 | 2019-05-30 | GM Global Technology Operations LLC | Method and apparatus for improved radar target tracking with power information |
AU2020253611A1 (en) * | 2019-04-04 | 2021-04-08 | Cohere Technologies, Inc. | Massive cooperative multipoint network operation |
CN110635858B (zh) * | 2019-04-09 | 2021-11-09 | 杭州电子科技大学 | 一种基于量子计算的自回归模型信道预测方法 |
EP4096177A4 (en) * | 2020-02-21 | 2023-01-18 | Huawei Technologies Co., Ltd. | CHANNEL STATE INFORMATION PREDICTION METHOD AND APPARATUS |
CN112019246A (zh) * | 2020-07-24 | 2020-12-01 | 深圳信息职业技术学院 | 基于信道预测的预编码方法、天线通信系统以及存储设备 |
CN112235025B (zh) * | 2020-10-15 | 2021-10-22 | 东南大学 | Sar约束的能效最大化多用户mimo上行预编码方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7263371B2 (en) * | 2004-09-13 | 2007-08-28 | Lucent Technologies Inc. | Method for controlling paging and registration of a mobile device in a wireless communications system |
US7660244B2 (en) * | 2005-06-20 | 2010-02-09 | Alcatel-Lucent Usa Inc. | Method and apparatus for quality-of-service based admission control using a virtual scheduler |
KR100996023B1 (ko) * | 2005-10-31 | 2010-11-22 | 삼성전자주식회사 | 다중 안테나 통신 시스템에서 데이터 송수신 장치 및 방법 |
CN101127747B (zh) | 2006-08-14 | 2010-09-08 | 大唐移动通信设备有限公司 | 一种时分双工复用系统中实现频域调度的方法及系统 |
US8112095B2 (en) | 2007-04-26 | 2012-02-07 | New Jersey Institute Of Technology | Sum rate of broadcast channels with outdated 1-bit feedback |
US8179775B2 (en) * | 2007-08-14 | 2012-05-15 | Texas Instruments Incorporated | Precoding matrix feedback processes, circuits and systems |
JP4481336B2 (ja) * | 2008-02-27 | 2010-06-16 | 京セラ株式会社 | チャネル情報予測システム及びチャネル情報予測方法 |
CN101296011B (zh) | 2008-04-25 | 2011-11-16 | 浙江大学 | 无线认知网络中的自适应随机波束模式选择方法 |
CN101640649B (zh) | 2008-08-01 | 2012-11-07 | 上海华为技术有限公司 | 信道预测时确定信道预测系数的方法、装置及信道预测器 |
CN101527938B (zh) * | 2009-04-01 | 2012-07-25 | 清华大学 | 一种基于大尺度信道信息的多用户传输方法 |
US8923143B2 (en) * | 2009-06-29 | 2014-12-30 | Qualcomm Incorporated | Open loop channel reporting in a wireless communication system |
CN101621322B (zh) * | 2009-07-23 | 2013-05-22 | 北京航空航天大学 | 协作多点mimo传输中的低反馈量多用户调度方法 |
US20110075752A1 (en) * | 2009-09-25 | 2011-03-31 | Hongming Zheng | Non-unitary precoding scheme for wireless communications |
-
2012
- 2012-03-08 US US13/415,463 patent/US9219533B2/en active Active
- 2012-10-23 EP EP12844234.0A patent/EP2771981A4/en not_active Withdrawn
- 2012-10-23 WO PCT/CN2012/083366 patent/WO2013060259A1/en active Application Filing
- 2012-10-23 KR KR1020147004726A patent/KR20140059784A/ko active IP Right Grant
- 2012-10-23 JP JP2014536107A patent/JP5889419B2/ja not_active Expired - Fee Related
- 2012-10-23 CN CN201280050666.7A patent/CN103947131A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
WO2013060259A1 (en) | 2013-05-02 |
US9219533B2 (en) | 2015-12-22 |
KR20140059784A (ko) | 2014-05-16 |
EP2771981A1 (en) | 2014-09-03 |
CN103947131A (zh) | 2014-07-23 |
US20130101008A1 (en) | 2013-04-25 |
EP2771981A4 (en) | 2015-08-26 |
JP2015503255A (ja) | 2015-01-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5889419B2 (ja) | 複数入力複数出力型無線通信システムにおけるダウンリンクスケジューリングのためのシステム及び方法 | |
Mei et al. | Intelligent radio access network slicing for service provisioning in 6G: A hierarchical deep reinforcement learning approach | |
Al-Shuwaili et al. | Joint uplink/downlink optimization for backhaul-limited mobile cloud computing with user scheduling | |
US20100227613A1 (en) | Communication system of selectively feeding back information about interference channels for interference alignment and method for operating the system | |
CN113519182A (zh) | 遍历频谱管理系统和方法 | |
JP5628125B2 (ja) | 分散型アンテナシステムのためのジョイントユーザー機器スケジューリングおよびクラスター情報 | |
WO2014194283A1 (en) | System and method for controlling multiple wireless access nodes | |
WO2017074405A1 (en) | Lattice reduction-aided symbol detection | |
CN114245348A (zh) | 基于无蜂窝网络架构的多业务联合传输方法及装置 | |
CN114600383B (zh) | Mu-mimo通信的用户选择 | |
Huang et al. | A DRL-based automated algorithm selection framework for cross-layer QoS-aware scheduling and antenna allocation in massive MIMO systems | |
Tseng et al. | Cross-layer resource management for downlink BF-NOMA-OFDMA video transmission systems and supervised/unsupervised learning based approach | |
US11411600B2 (en) | Processing of uplink data streams | |
CN105429687B (zh) | 一种最小化干扰功率与维度的干扰对齐方法 | |
JP5968523B2 (ja) | 不均一系における適応型チャネル方向情報フィードバックのための方法及び装置 | |
US20140023005A1 (en) | Tailoring wireless transmission strategies to user profiles | |
US11979206B2 (en) | Online convex optimization with periodic updates for downlink multi-cell MIMO wireless network virtualization | |
CN113796127A (zh) | 多频率通信网络中的小区选择 | |
Huang et al. | Joint QoS-Aware Scheduling and Precoding for Massive MIMO Systems via Deep Reinforcement Learning | |
Lin et al. | Non-orthogonal random access in MIMO cognitive radio networks: beamforming, power allocation, and opportunistic transmission | |
Jayasinghe et al. | Traffic aware pilot de-contamination for multi-cell MIMO systems | |
Abboud et al. | CSI map for indoor massive MIMO | |
Venkatraman et al. | Exploiting multi-core SoC architecture for MU-MIMO schedulers | |
Zamani | Optimization of clean, centralized cloud enabled networks | |
Rezaei et al. | Robust Resource Allocation for PD-NOMA-Based MISO Heterogeneous Networks with CoMP Technology |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20150729 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20150814 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20151008 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20160119 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20160216 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5889419 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
LAPS | Cancellation because of no payment of annual fees |