JP5059751B2 - リストスフィア復号及びmlmimo受信機に関するcqi及びランク予測 - Google Patents
リストスフィア復号及びmlmimo受信機に関するcqi及びランク予測 Download PDFInfo
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Description
本特許出願は、Attorney Docket No.050695を有しており米国仮特許出願一連番号60/686,646“CQI AND RANK PREDICTION IN LIST SPHERE DECODING(リストスフィア復号におけるCQI及びランク予測)(出願日:2005年6月1日)、及び米国仮特許出願一連番号60/691,722“METHOD OF LIST SPHERE DECODING FOR MIMO RECEIVERS”(MIMO受信機に関するリストスフィア復号方法)(出願日:2005年6月16日)の利益を主張する、米国特許出願“CQI AND RANK PREDICTION FOR LIST SPHERE DECODING AND MIMO ML RECEIVERS”(リストスフィア復号及びML MIMO受信機に関するCQI及びランク予測)(出願日:2006年5月25日)の一部継続出願である。これらの出願は、本明細書において参照されることによってその全体が本明細書に組み入れられている。
Claims (16)
- 無線通信トランシーバ内の非線形トランシーバにおいてランクを計算する方法であって、
非線形受信機において送信信号を受信することと、
前記送信信号が受信されたときの送信チャネルから小行列を生成することと、
前記小行列に関するQ−R分解を行って各々の上三角行列を導き出すことと、
1つ以上の可能な送信ランクに関する有効SNRを決定することと、
前記送信信号のすべての可能なランクに関するチャネル容量評価基準を決定することと、
チャネル容量を送信のために最大化するランクを選択することと、を具備する、方法。 - 前記受信された信号送信を復号するためにリストスフィア復号アルゴリズムを採用することをさらに具備する請求項1に記載の方法。
- 最高の平均容量を有するランクを識別することをさらに具備する請求項2に記載の方法。
- CQIを計算することと、逆方向リンク制御チャネルを用いて前記CQI及びランク情報をフィードバックすること、とをさらに具備する請求項3に記載の方法。
- 前記非線形受信機は、最大尤度に基づく非線形受信機である請求項1に記載の方法。
- 前記無線通信トランシーバは、多入力多出力(MIMO)単コードワード(SCW)無線トランシーバである請求項1記載の方法。
- ユーザーデバイスにおいて受信された多層信号を復号するために非線形復号プロトコルを採用し、
前記送信信号が受信されたときの送信チャネルから小行列を生成し、
前記小行列に関するQ−R分解を行って各々の上三角行列を導き出し、
1つ以上の可能な送信ランクに関する有効SNRを決定し、
前記送信信号のすべての可能なランクに関するチャネル容量評価基準を決定し、
チャネル容量を送信のために最大化するランクを選択する、
ためのコンピュータ実行可能命令を格納しているコンピュータ読み取り可能な記録媒体。 - 前記受信された信号送信を復号するためにリストスフィア復号アルゴリズムを採用するための命令をさらに具備する請求項7に記載のコンピュータ読み取り可能な記録媒体。
- 前記小行列の各々に関する送信容量を決定するための及び各ランクに関する容量の平均を求めるための命令をさらに具備する請求項8に記載のコンピュータ読み取り可能な記録媒体。
- 最高の平均容量を有するランクを識別するための命令をさらに具備する請求項9に記載のコンピュータ読み取り可能な記録媒体。
- CQIを計算して逆方向リンク制御チャネルを用いて前記CQI及びランク情報をフィードバックするための命令をさらに具備する請求項10に記載のコンピュータ読み取り可能な記録媒体。
- 無線通信環境においてスループットを向上させるための命令を実行するプロセッサであって、
前記命令は、ユーザーデバイスにおいて受信された多層信号を復号するために非線形復号プロトコルを採用することと、
前記送信信号が受信されたときの送信チャネルから小行列を生成することと、
前記小行列に関するQ−R分解を行って各々の上三角行列を導き出すことと、
1つ以上の可能な送信ランクに関する有効SNRを決定することと、
前記送信信号のすべての可能なランクに関するチャネル容量評価基準を決定することと、
チャネル容量を送信のために最大化するランクを選択することと、を具備する、プロセッサ。 - 前記命令は、前記受信された信号送信を復号するためにリストスフィア復号アルゴリズムを採用することをさらに具備する請求項12に記載のプロセッサ。
- 前記命令は、最高の平均容量を有するランクを識別することをさらに具備する請求項13に記載のプロセッサ。
- 前記命令は、CQIを計算すること及び逆方向リンク制御チャネルを用いて前記CQI及びランク情報をフィードバックすることをさらに具備する請求項14に記載のプロセッサ。
- 前記非線形復号プロトコルは、最大尤度(ML)非線形復号プロトコルである請求項15に記載のプロセッサ。
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US68664605P | 2005-06-01 | 2005-06-01 | |
US60/686,646 | 2005-06-01 | ||
US69172205P | 2005-06-16 | 2005-06-16 | |
US60/691,722 | 2005-06-16 | ||
US11/445,098 US7428269B2 (en) | 2005-06-01 | 2006-05-31 | CQI and rank prediction for list sphere decoding and ML MIMO receivers |
US11/445,098 | 2006-05-31 | ||
PCT/US2006/021582 WO2006130865A2 (en) | 2005-06-01 | 2006-06-01 | Cqi and rank prediction for list sphere decoding and ml mimo receivers |
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JP2008546323A JP2008546323A (ja) | 2008-12-18 |
JP5059751B2 true JP5059751B2 (ja) | 2012-10-31 |
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JP2012001408A Active JP5001469B2 (ja) | 2005-06-01 | 2012-01-06 | リストスフィア復号及びmlmimo受信機に関するcqi及びランク予測 |
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Country Status (7)
Country | Link |
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US (1) | US7428269B2 (ja) |
EP (1) | EP1889393A4 (ja) |
JP (2) | JP5059751B2 (ja) |
KR (1) | KR100958563B1 (ja) |
AR (1) | AR053884A1 (ja) |
TW (2) | TWI326177B (ja) |
WO (1) | WO2006130865A2 (ja) |
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US8599945B2 (en) * | 2005-06-16 | 2013-12-03 | Qualcomm Incorporated | Robust rank prediction for a MIMO system |
US7917176B2 (en) * | 2006-02-14 | 2011-03-29 | Nec Laboratories America, Inc. | Structured codebook and successive beamforming for multiple-antenna systems |
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US9461736B2 (en) * | 2006-02-21 | 2016-10-04 | Qualcomm Incorporated | Method and apparatus for sub-slot packets in wireless communication |
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R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |