JP2015222990A - 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
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 Download PDFInfo
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- 230000005540 biological transmission Effects 0.000 claims abstract description 59
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- 239000013598 vector Substances 0.000 description 27
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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
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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
- H04B7/0404—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
- 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
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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
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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
- H04B7/0621—Feedback content
- H04B7/0634—Antenna weights or vector/matrix coefficients
-
- 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
- H04B7/0652—Feedback error handling
- H04B7/0656—Feedback error handling at the transmitter, e.g. error detection at base station
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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
- H04B7/0697—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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- 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
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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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- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Radio Transmission System (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
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 (17)
- 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、
複数のアンテナ上でパイロットビットを送信するステップと、
前記パイロットビットを送信するステップに応答して、アップリンクプリコーディング情報を受信するステップであって、前記アップリンクプリコーディング情報は、ULプリコーディング重みを識別する、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ULプリコーディング重みは第1のプリコーディング重みを含み、前記方法は、
前記第1のプリコーディング重みを前記UL送信に適用して、第1の予め符号化されたUL送信を生成するステップと、
前記複数のアンテナのうちの第1のアンテナ上で前記第1の予め符号化されたUL送信を送信するステップと
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。 - 前記ULプリコーディング重みは第2のプリコーディング重みを含み、前記方法は、
前記第2のプリコーディング重みを前記UL送信に適用して、第2の予め符号化されたUL送信を生成するステップと、
前記複数のアンテナのうちの第2のアンテナ上で前記第2の予め符号化されたUL送信を送信するステップと
をさらに備えることを特徴とする請求項2に記載の方法。 - 前記アップリンク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。 - 前記複数のアンテナ上で前記パイロットビットを送信するステップは、前記複数のアンテナを使用して複数の専用物理制御チャネル(DPCCH)上で前記パイロットビットを送信することを含むことを特徴とする請求項1に記載の方法。
- 前記複数のDPCCHは異なるチャネライゼーションコードを有することを特徴とする請求項5に記載の方法。
- 前記複数のアンテナ上で前記パイロットビットを送信するステップは、前記複数のアンテナを使用して異なるパイロットビットシーケンスを送信することを含むことを特徴とする請求項5に記載の方法。
- 前記複数のアンテナ上で前記パイロットビットを送信するステップは、前記複数のアンテナ上で異なるパイロットビットシーケンスを送信することを含む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)にて実施されるプリコーディング重み情報をシグナリングする方法であって、
アップリンク(UL)送信への適用のためのプリコーディング重み情報を決定するステップと、
前記決定したプリコーディング重み情報を識別するインデックスを送信するステップと、
前記決定したプリコーディング重み情報を使用して予め符号化された前記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。 - 前記インデックスを送信するステップは、専用物理制御チャネル(DPCCH)スロットで前記インデックスを送信することを含むことを特徴とする請求項9に記載の方法。
- 前記DPCCHスロットは前記インデックスを含んでいるアップリンクプリコーディング重み情報(UPWI)フィールドを含むことを特徴とする請求項10に記載の方法。
- 前記インデックスを送信するステップは、拡張専用物理制御チャネル(E−DPCCH)スロットで前記インデックスを送信することを含むことを特徴とする請求項9に記載の方法。
- 無線送信受信ユニット(WTRU)であって、
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、
複数のアンテナ上でパイロットビットを送信し、
前記パイロットビットに応答して、アップリンクプリコーディング情報を受信し、前記アップリンクプリコーディング情報は、ULプリコーディング重みを識別し、
前記ULプリコーディング重みを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、前記複数のアンテナを使用して複数の専用物理制御チャネル(DPCCH)上で前記パイロットビットを送信するように構成されることを特徴とする請求項13に記載のWTRU。
- 前記複数のDPCCHは異なるチャネライゼーションコードを有することを特徴とする請求項14に記載のWTRU。
- 前記プロセッサは、前記複数のアンテナを使用して異なるパイロットビットシーケンスを送信するように構成されることを特徴とする請求項14に記載のWTRU。
- 第1のアンテナと、
第2のアンテナとをさらに備え、
前記ULプリコーディング重みは、第1のプリコーディング重みおよび第2のプリコーディング重みを含み、
前記プロセッサは、
前記第1のプリコーディング重みを前記UL送信に適用して、第1の予め符号化されたUL送信を生成し、
前記第2のプリコーディング重みを前記UL送信に適用して、第2の予め符号化されたUL送信を生成し、
前記第1のアンテナ上で前記第1の予め符号化されたUL送信を送信して、
前記第2のアンテナ上で前記第2の予め符号化されたUL送信を送信するようにさらに構成されることを特徴とする請求項13に記載のWTRU。
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US24824109P | 2009-10-02 | 2009-10-02 | |
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US30344310P | 2010-02-11 | 2010-02-11 | |
US61/303,443 | 2010-02-11 |
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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 |
JP2015156114A Expired - Fee Related JP6193930B2 (ja) | 2009-03-16 | 2015-08-06 | 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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CN102356563B (zh) | 2016-11-23 |
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JP2012521159A (ja) | 2012-09-10 |
KR20130043212A (ko) | 2013-04-29 |
CN102356563A (zh) | 2012-02-15 |
MX2011009635A (es) | 2011-11-29 |
TWI521909B (zh) | 2016-02-11 |
WO2010107699A2 (en) | 2010-09-23 |
KR101752071B1 (ko) | 2017-06-28 |
TW201417532A (zh) | 2014-05-01 |
AU2010226150A1 (en) | 2011-10-06 |
EP2409419A2 (en) | 2012-01-25 |
US20100246516A1 (en) | 2010-09-30 |
JP6193930B2 (ja) | 2017-09-06 |
US8830918B2 (en) | 2014-09-09 |
KR20120000082A (ko) | 2012-01-03 |
US9918337B2 (en) | 2018-03-13 |
WO2010107699A3 (en) | 2010-11-18 |
AU2010226150B2 (en) | 2015-01-22 |
US20140341153A1 (en) | 2014-11-20 |
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JP5792840B2 (ja) | 2015-10-14 |
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