JP2014099914A - アップリンク送信ダイバーシティを実行するための方法および装置 - Google Patents
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
- H04W74/004—Transmission of channel access control information in the uplink, i.e. towards network
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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
- H04B7/06—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
- H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
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- H—ELECTRICITY
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- 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
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- H—ELECTRICITY
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- H04B7/00—Radio transmission systems, i.e. using radiation field
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- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0404—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas the mobile station comprising multiple antennas, e.g. to provide uplink diversity
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- H—ELECTRICITY
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- 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
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- 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
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- H—ELECTRICITY
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- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
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- 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
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- 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
- H04B7/0652—Feedback error handling
- H04B7/0656—Feedback error handling at the transmitter, e.g. error detection at base station
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- 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
- H04B7/0697—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 spatial multiplexing
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- 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
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- 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
- H04L1/0618—Space-time coding
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- 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
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/32—TPC of broadcast or control channels
- H04W52/322—Power control of broadcast channels
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- Mobile Radio Communication Systems (AREA)
Abstract
【解決手段】プリコーディング情報は、検出されそしてUL送信に適用される。UL送信は、適用されたプリコーディング情報と共に送信される。
【選択図】図3
Description
1.WTRUにおいて実施される、アップリンク送信ダイバーシティを実行するための方法。
Claims (24)
- 無線送信受信ユニット(WTRU)にて実施されるアップリンク(UL)送信ダイバーシティを実行するための方法であって、
複数の送信アンテナ上でパイロットビットを送信するステップと、
複数のスロットを有する物理チャネルを介して、ULプリコーディング情報を含む信号を受信するステップであって、前記物理チャネルにて前記複数のスロットの各スロットは、複数のビットを含み、前記ビットのサブセットは、前記WTRUのための前記ULプリコーディング情報を運ぶために前記WTRUに割り当てられ、前記ULプリコーディング情報は、ULプリコーディング重みを含むステップと、
前記ULプリコーディング重みをUL送信に適用するステップと、
前記UL送信を送信するステップと
を備えることを特徴とする方法。 - 前記ビットの前記サブセットの前記ビットを結合して、インデックスを形成するステップをさらに備えることを特徴とする請求項1に記載の方法。
- 前記インデックスに従って、前記WTRUのためのUL重み情報を決定するステップをさらに備えることを特徴する請求項2に記載の方法。
- 複数のWTRUを含み、前記複数のWTRUの前記WTRUの前記ULプリコーディング情報は、多重化されることを特徴とする請求項1に記載の方法。
- 前記ビットの前記サブセットの前記ビットは異なるスロットから得られることを特徴とする請求項1に記載の方法。
- 前記ビットの前記サブセットの前記ビットは連続したスロットから得られることを特徴とする請求項5に記載の方法。
- 前記物理チャネルは、前記ULプリコーディング情報を含むアップリンクプリコーディング情報(UPCI)フィールドを含むことを特徴とする請求項1に記載の方法。
- 前記ULプリコーディング情報は、拡張専用チャネルアクセス許可チャネル(E−AGCH)に含まれることを特徴とする請求項1に記載の方法。
- 前記ULプリコーディング情報の受信後にタイマーを開始するステップと、
前記タイマーの満了を条件に、デフォルトプリコーディング重みを適用するステップと
をさらに備えることを特徴とする請求項1に記載の方法。 - 多重専用物理制御チャネル(DPCCH)は、異なるスクランブリング符号またはチャネライゼーション符号を使用して、または異なるパイロットビット列を運んで、時間交代にて複数のアンテナ上で送信されることを特徴とする請求項1に記載の方法。
- 第2のアンテナ上で送信されるDPCCHは、送信電力制御(TPC)情報を含まないことを特徴とする請求項10に記載の方法。
- 前記UL重み情報は、前記ULプリコーディング情報の受信して所定の時間オフセット後に前記UL送信に適用されることを特徴とする請求項1に記載の方法。
- 無線送信受信ユニット(WTRU)であって、
複数のアンテナと、
受信機と、
送信機と、
前記受信機および前記送信機と通信するプロセッサであって、前記プロセッサは、前記複数のアンテナ上でパイロットビットを送信し、複数のスロットを有する物理チャネルを介してアップリンク(UL)プリコーディング情報を含む信号を受信し、前記物理チャネルの前記複数のスロットの各スロットは、複数のビットを含み、前記ビットのサブセットは、前記WTRUのための前記UL重みプリコーディング情報を運ぶために前記WTRUに割り当てられ、前記ULプリコーディング情報はULプリコーディング重みを含み、前記UL重み情報をUL送信に適用し、前記UL送信を送信するように構成されたプロセッサと
を備えたことを特徴とする無線送信受信ユニット(WTRU)。 - 前記プロセッサは、前記ビットの前記サブセットの前記ビットを結合して、インデックスを形成するように構成されたことを特徴とする請求項13に記載のWTRU。
- 前記プロセッサは、前記インデックスに従って、前記WTRUのためのUL重み情報を決定するように構成されたことを特徴する請求項14に記載のWTRU。
- 複数のWTRUを含み、前記複数のWTRUの前記WTRUの前記ULプリコーディング情報は、多重化されることを特徴とする請求項13に記載のWTRU。
- 前記ビットの前記サブセットの前記ビットは異なるスロットから得られることを特徴とする請求項13に記載のWTRU。
- 前記ビットの前記サブセットの前記ビットは連続したスロットから得られることを特徴とする請求項15に記載のWTRU。
- 前記物理チャネルは、前記ULプリコーディング情報を含むアップリンクプリコーディング情報(UPCI)フィールドを含むことを特徴とする請求項13に記載のWTRU。
- 前記プロセッサは、拡張専用チャネルアクセス許可チャネル(E−AGCH)を介して前記ULプリコーディング情報を受信するように構成されたことを特徴とする請求項13に記載のWTRU。
- 前記プロセッサは、前記ULプリコーディング情報の受信後にタイマーを開始し、前記タイマーの満了を条件に、デフォルトプリコーディング重みを適用するように構成されたことを特徴とする請求項13に記載のWTRU。
- 前記プロセッサは、多重専用物理制御チャネル(DPCCH)を、異なるスクランブリング符号またはチャネライゼーション符号を使用して、または異なるパイロットビット列を運んで、時間交代にて複数のアンテナ上で送信するように構成されたことを特徴とする請求項13に記載のWTRU。
- 前記プロセッサは、第2のアンテナ上で送信されるDPCCHに、送信電力制御(TPC)情報を含めないように構成されたことを特徴とする請求項22に記載のWTRU。
- 前記プロセッサは、前記ULプリコーディング重みを、前記ULプリコーディング情報を受信して所定の時間オフセット後に前記UL送信に適用するように構成されたことを特徴とする請求項13に記載のWTRU。
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JP2014018704A Expired - Fee Related JP5792840B2 (ja) | 2009-03-16 | 2014-02-03 | アップリンク送信ダイバーシティを実行するための方法および装置 |
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KR (3) | KR20130043212A (ja) |
CN (1) | CN102356563B (ja) |
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US8830918B2 (en) | 2014-09-09 |
US20140341153A1 (en) | 2014-11-20 |
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TWI545911B (zh) | 2016-08-11 |
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JP2015222990A (ja) | 2015-12-10 |
KR20120000082A (ko) | 2012-01-03 |
KR101752071B1 (ko) | 2017-06-28 |
TW201110600A (en) | 2011-03-16 |
JP6193930B2 (ja) | 2017-09-06 |
MX2011009635A (es) | 2011-11-29 |
TWI521909B (zh) | 2016-02-11 |
WO2010107699A3 (en) | 2010-11-18 |
CN102356563B (zh) | 2016-11-23 |
KR20130043212A (ko) | 2013-04-29 |
JP2012521159A (ja) | 2012-09-10 |
WO2010107699A2 (en) | 2010-09-23 |
AU2010226150A1 (en) | 2011-10-06 |
JP5792840B2 (ja) | 2015-10-14 |
US9918337B2 (en) | 2018-03-13 |
CN102356563A (zh) | 2012-02-15 |
KR20150038635A (ko) | 2015-04-08 |
AU2010226150B2 (en) | 2015-01-22 |
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