JP2012060667A - 基地局装置、移動局装置、無線通信システム、パイロットチャネル生成方法および受信方法 - Google Patents
基地局装置、移動局装置、無線通信システム、パイロットチャネル生成方法および受信方法 Download PDFInfo
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- 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
- H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
- H04W16/12—Fixed resource partitioning
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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
- 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
- H04B7/0802—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 antenna selection
- H04B7/0817—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 antenna selection with multiple receivers and antenna path selection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
- H04J13/004—Orthogonal
-
- 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
- H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/16—Code allocation
- H04J13/18—Allocation of orthogonal codes
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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
- H04W88/085—Access point devices with remote components
Abstract
【解決手段】無線通信システムを構成するコアネットワーク装置CNから入力される制御データに基づいて、相互に異なる複数の第1のパイロット信号と、第2のパイロット信号とを生成し、前記第1のパイロット信号および第2のパイロット信号を組み合わせることによって、前記無線アクセスユニット装置毎に固有のパイロットチャネルを生成する制御信号生成部13と、前記各無線アクセスユニット装置に対して、それぞれに固有のパイロットチャネルを送信する送信部10と、を備える。
【選択図】図6A
Description
本発明の第1の実施形態の基本概念は、BSに属する各RAUに異なるPilot1を割り当て、BSに属する各RAUに同じPilot2を割り当て、Pilot1および2の組み合わせにより、各RAU固有のPiCHを構成する。
アンテナ番号ANT_g(g=1,2,3,…,G)、
RAU番号RAU_i(i=1,2,3,…,I)、
BS番号BS_j(j=1,2,3,…,J)、
Pilot1の符号番号Pilot1_m(m=1,2,3,…,M)、
Pilot2の符号番号Pilot2_n(n=1,2,3,…,N)、とする。
本発明の第2の実施形態の基本概念は、SCH2の符号番号にBS番号を関連付けて、SCHを構成する。上記の第1の実施形態では、RAU番号RAU_i(i=1,2,3,…,I)にPilot1_m符号を割り当て、BS番号BS_j(j=1,2,3,…,J)にPilot2_n符号を割り当て、アンテナ番号ANT_g(g=1,2,3,…,G)をG=IxJで表した。
本発明の第3の実施形態の基本概念は、SCH1の符号番号にRAU番号を関連付けて、SCHを構成する。上記の第1の実施形態および第2の実施形態では、RAU番号RAU_i(i=1,2,3,…,I)にPilot1_m符号を割り当て、BS番号BS_j(j=1,2,3,…,J)にPilot2_n符号を割り当て、アンテナ番号ANT_g(g=1,2,3,…,G)をG=IxJで表した。また、SCH2番号SCH2_yにBS番号BS_jを関連付けさせて、SCHを構成した。
本発明の第4の実施形態は、第1の実施形態および第2の実施形態に係るPiCH、SCH信号の構成に対応したアンテナ選択方法である。第1の実施形態および第2の実施形態では、RAU番号RAU_i(i=1,2,3,…,I)にPilot1_m符号を割り当て、BS番号BS_j(j=1,2,3,…,J)にPilot2_n符号を割り当て、アンテナ番号ANT_g(g=1,2,3,…,G)をG=IxJで表した。また、SCH2番号SCH2_yにBS番号BS_jを関連付けさせて、SCHを構成した。
本発明の第5の実施形態は,第3の実施形態のPiCH、SCH信号構成に対応したアンテナ選択方法である。第3の実施形態では、SCH1符号番号SCH1_xはRAU番号のRAU_iと関連付けさせて、SCHを構成した。なお、MSの構成は、第4の実施形態と同様のため省略する。
11 符号化部
12 直並列変換(S/P)部
13 制御信号生成部
14 チャネル割り当て部
15 変調部
16 IFFT部
17 並直列変換(P/S)部
18 CP挿入部
19 DAC部
20 無線送信部
21 RoF変換部
22 スケジューリング制御部
30 MS
31 無線受信部
31a、31b アンテナ
33 CP除去部
34 直並列変換(S/P)部
35 FFT部
36 復調部
37 チャネル分解部
38 制御信号抽出部
39 並直列変換(P/S)部
40 復号部
41 チャネル推定・CQI測定部
42 アンテナ選択部
MS 移動局装置
RAU 無線アクセスユニット
BS 基地局装置
CN コアネットワーク装置
RoF 無線光ケーブル
VC 擬似セル
Claims (1)
- 無線通信システムに適用され、移動局装置と無線通信を行なう少なくとも1つの無線アクセスユニット装置を制御する基地局装置であって、
前記無線通信システムを構成するコアネットワーク装置から入力される制御データに基づいて、相互に異なる複数のパイロット信号を生成し、前記パイロット信号によって、前記無線アクセスユニット装置のパイロットチャネルを生成する制御信号生成部と、
前記無線アクセスユニット装置に対して、前記パイロットチャネルを送信する送信部と、を備えることを特徴とする基地局装置。
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JP2011250039A JP5420625B2 (ja) | 2007-09-04 | 2011-11-15 | 基地局装置、移動局装置、無線通信システム、パイロットチャネル生成方法および受信方法 |
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JP2011250039A JP5420625B2 (ja) | 2007-09-04 | 2011-11-15 | 基地局装置、移動局装置、無線通信システム、パイロットチャネル生成方法および受信方法 |
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JP2011250039A Active JP5420625B2 (ja) | 2007-09-04 | 2011-11-15 | 基地局装置、移動局装置、無線通信システム、パイロットチャネル生成方法および受信方法 |
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EP (1) | EP2187544B1 (ja) |
JP (2) | JP4869404B2 (ja) |
KR (1) | KR101452551B1 (ja) |
CN (1) | CN101796862B (ja) |
WO (1) | WO2009031485A1 (ja) |
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Publication number | Publication date |
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CN101796862B (zh) | 2013-11-06 |
KR20100059938A (ko) | 2010-06-04 |
US9049601B2 (en) | 2015-06-02 |
EP2187544A1 (en) | 2010-05-19 |
EP2187544B1 (en) | 2018-04-18 |
JPWO2009031485A1 (ja) | 2010-12-16 |
CN101796862A (zh) | 2010-08-04 |
JP4869404B2 (ja) | 2012-02-08 |
US20100208656A1 (en) | 2010-08-19 |
WO2009031485A1 (ja) | 2009-03-12 |
KR101452551B1 (ko) | 2014-10-21 |
EP2187544A4 (en) | 2015-08-26 |
JP5420625B2 (ja) | 2014-02-19 |
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