JP5730420B2 - 基地局装置、受信方法及び集積回路 - Google Patents
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- 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
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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- 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
- H04B1/713—Spread spectrum techniques using frequency hopping
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- 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
- H04L25/0224—Channel estimation using sounding signals
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- 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
- H04L5/0037—Inter-user or inter-terminal allocation
- H04L5/0041—Frequency-non-contiguous
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- 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
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
- H04L5/0057—Physical resource allocation for CQI
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- 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
- H04L5/0058—Allocation criteria
- H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling
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- 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
- H04L5/0058—Allocation criteria
- H04L5/0064—Rate requirement of the data, e.g. scalable bandwidth, data priority
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- 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
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/52—Allocation or scheduling criteria for wireless resources based on load
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- 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
- H04W24/00—Supervisory, monitoring or testing arrangements
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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
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Description
図6は、本発明の実施の形態1に係る基地局装置100の構成を示すブロック図である。図6において、基地局装置100は、無線受信部101と、復調部102と、SRS抽出部103と、CQI推定部104と、割当部105と、割当単位設定部106と、制御信号生成部107と、変調部108と、無線送信部109とを有する。
実施の形態1では、Sounding帯域を基準に、RGBの基本サイズが決定されるとともに、RBGの端がSounding帯域の端に一致させられる。実施の形態2では、RGBの基本サイズ及び位置を基準に、端末装置200が1つのタイミングにSRSを送信する送信帯域幅が決定されるとともに、そのSRSの送信帯域の端がRGBの端に一致させられる。
101,201 無線受信部
102,202 復調部
103 SRS抽出部
104 CQI推定部
105 割当部
106,301 割当単位設定部
107 制御信号生成部
108,207 変調部
109,215 無線送信部
111,221,312,412 SRS情報設定部
112,222,311,411 RBG情報設定部
200,400 端末装置
203 復号部
204,401 帯域情報設定部
205 送信帯域設定部
206 符号化部
208 DFT部
209 SRS生成部
210,211 マッピング部
212,213 IDFT部
214 多重部
Claims (11)
- 複数のリソースブロック(RB)からなるシステム帯域を複数のリソースブロックグループ(RBG)に分割し、前記複数のRBGのうちのいずれかの端の周波数位置とSounding Reference Signal(SRS)を送信するための複数のRBを含むSRS送信帯域の端の周波数位置とが一致するように、前記システム帯域における前記SRS送信帯域及び前記複数のRBGの周波数位置を設定し、前記SRS送信帯域に含まれるRBの数は一つのRBGを構成するRBの数の自然数倍である、設定手段と、
前記SRS送信帯域にマッピングされたSRSを含む信号を受信する受信手段と、
前記受信した信号から、前記設定されたSRS送信帯域の周波数位置に基づいて、前記SRS送信帯域にマッピングされたSRSを抽出する抽出手段と、
前記抽出されたSRSを用いて上り回線のチャネル品質を推定する推定手段と、
を具備する基地局装置。 - 前記抽出手段は、前記SRS送信帯域の帯域幅、周波数位置および周波数ホッピングパターンに関する情報に基づいて、前記SRSを抽出する、
請求項1記載の基地局装置。 - 前記一つのRBGを構成するRBの数は前記システム帯域の帯域幅に応じて設定される、
請求項1記載の基地局装置。 - 前記SRS送信帯域に含まれる最小RB数は4である、
請求項1記載の基地局装置。 - 前記SRS送信帯域に含まれるRB数は、全て4の倍数である、
請求項1記載の基地局装置。 - 複数のリソースブロック(RB)からなるシステム帯域を複数のリソースブロックグループ(RBG)に分割し、前記複数のRBGのうちのいずれかの端の周波数位置とSounding Reference Signal(SRS)を送信するための複数のRB を含むSRS送信帯域の端の周波数位置とが一致するように、前記システム帯域における前記SRS送信帯域及び前記複数のRBGの周波数位置を設定し、前記SRS送信帯域に含まれるRBの数は一つのRBGを構成するRBの数の自然数倍であり、
前記SRS送信帯域にマッピングされたSRSを含む信号を受信し、
前記受信した信号から、前記設定されたSRS送信帯域の周波数位置に基づいて、前記SRS送信帯域にマッピングされたSRSを抽出し、
前記抽出されたSRSを用いて上り回線のチャネル品質を推定する、
受信方法。 - 前記SRS送信帯域の帯域幅、周波数位置および周波数ホッピングパターンに関する情報に基づいて、前記SRSを抽出する、
請求項6記載の受信方法。 - 前記一つのRBGを構成するRBの数は前記システム帯域の帯域幅に応じて設定される、
請求項6記載の受信方法。 - 前記SRS送信帯域に含まれる最小RB数は4である、
請求項6記載の受信方法。 - 前記SRS送信帯域に含まれるRB数は、全て4の倍数である、
請求項6記載の受信方法。 - 複数のリソースブロック(RB)からなるシステム帯域を複数のリソースブロックグループ(RBG)に分割し、前記複数のRBGのうちのいずれかの端の周波数位置とSounding Reference Signal(SRS)を送信するための複数のRB を含むSRS送信帯域の端の周波数位置とが一致するように、前記システム帯域における前記SRS送信帯域及び前記複数のRBGの周波数位置を設定し、前記SRS送信帯域に含まれるRBの数は一つのRBGを構成するRBの数の自然数倍である、設定処理と、
前記SRS送信帯域にマッピングされたSRSを含む信号を受信する受信処理と、
前記受信した信号から、前記設定されたSRS送信帯域の周波数位置に基づいて、前記SRS送信帯域にマッピングされたSRSを抽出する抽出処理と、
前記抽出されたSRSを用いて上り回線のチャネル品質を推定する推定処理と、
を制御する集積回路。
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Publication number | Publication date |
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JP2015165677A (ja) | 2015-09-17 |
JP5474053B2 (ja) | 2014-04-16 |
JP5954721B2 (ja) | 2016-07-20 |
US20160028523A1 (en) | 2016-01-28 |
US10771217B2 (en) | 2020-09-08 |
US20190238291A1 (en) | 2019-08-01 |
EP2418905A1 (en) | 2012-02-15 |
JP6168432B2 (ja) | 2017-07-26 |
US20120008589A1 (en) | 2012-01-12 |
US9843426B2 (en) | 2017-12-12 |
US9019906B2 (en) | 2015-04-28 |
JP2014068410A (ja) | 2014-04-17 |
US20170187505A1 (en) | 2017-06-29 |
JP2016174416A (ja) | 2016-09-29 |
US20180083754A1 (en) | 2018-03-22 |
US20150270941A1 (en) | 2015-09-24 |
US9634868B2 (en) | 2017-04-25 |
JPWO2010116764A1 (ja) | 2012-10-18 |
WO2010116764A1 (ja) | 2010-10-14 |
US9438398B2 (en) | 2016-09-06 |
US9184891B2 (en) | 2015-11-10 |
US10305658B2 (en) | 2019-05-28 |
US20160301547A1 (en) | 2016-10-13 |
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