JP6086408B2 - 疎コード多重アクセスのためのシステムおよび方法 - Google Patents
疎コード多重アクセスのためのシステムおよび方法 Download PDFInfo
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- JP6086408B2 JP6086408B2 JP2015542153A JP2015542153A JP6086408B2 JP 6086408 B2 JP6086408 B2 JP 6086408B2 JP 2015542153 A JP2015542153 A JP 2015542153A JP 2015542153 A JP2015542153 A JP 2015542153A JP 6086408 B2 JP6086408 B2 JP 6086408B2
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- codeword
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- multiplexing
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/36—Modulator circuits; Transmitter circuits
- H04L27/362—Modulation using more than one carrier, e.g. with quadrature carriers, separately amplitude modulated
-
- 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
-
- 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
- H04B1/707—Spread spectrum techniques using direct sequence modulation
-
- 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
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
- H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
- H04B7/0473—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking constraints in layer or codeword to antenna mapping into account
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0074—Code shifting or hopping
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/345—Modifications of the signal space to allow the transmission of additional information
-
- 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
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0014—Three-dimensional division
- H04L5/0016—Time-frequency-code
- H04L5/0021—Time-frequency-code in which codes are applied as a frequency-domain sequences, e.g. MC-CDMA
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Error Detection And Correction (AREA)
- Radio Transmission System (AREA)
Description
即ち、
3106メモリ
3110セルラ・インタフェース
3112補完無線インタフェース
3114補完インタフェース
Claims (14)
- 第1の多重化レイヤに関連付けられた第1の二進データまたはM進データを受信するステップと、
第1の符号語を第1のコードブックから選択することによって前記第1の二進データまたはM進データを符号化するステップであって、前記第1のコードブックは前記第1の多重化レイヤに排他的に割り当てられるステップと、
第2のコードブックからの少なくとも第2の符号語で前記第1の符号語を多重化して多重化符号語を取得するステップであって、前記第2のコードブックは第2の多重化レイヤに排他的に割り当てられるステップと、
前記多重化符号語を共有ネットワーク・リソースで送信するステップと、
を含み、
前記第1の符号語を選択することによって前記第1の二進データまたはM進データを符号化するステップは、
前記第1の二進データまたはM進データの二進値またはM進値に従って前記第1の符号語を前記第1のコードブック内の第1の組の符号語から選択するステップであって、前記第1の組の符号語の各符号語は異なる二進値またはM進値に関連付けられるステップ
を含む、データを多重化するための方法。 - 前記第1の符号語は、ネットワークの共有された複数のリソースにわたる、前記第1の二進データまたはM進データの変調されたベクトルを表す、請求項1に記載の方法。
- メッセージ受渡しアルゴリズム(MPA)に従って対応する符号語を多重化符号語内で検出できるように、前記第1の組の符号語の各符号語は低密度の非零値を含む、請求項1又は2に記載の方法。
- 前記第1の多重化レイヤは第1のユーザに関連付けられ、前記第2の多重化レイヤは第2のユーザに関連付けられる、請求項1乃至3の何れか1項に記載の方法。
- 前記第1の多重化レイヤおよび前記第2の多重化レイヤは、共通のものに関連付けられた別々のデータ・ストリームを運搬する、請求項1乃至3の何れか1項に記載の方法。
- 前記第1の多重化レイヤおよび前記第2の多重化レイヤは異なる多入力多出力(MIMO)空間レイヤを占有する、請求項1乃至5の何れか1項に記載の方法。
- 前記第1の多重化レイヤと前記第2の多重化レイヤは異なる直交周波数分割多重アクセス(OFDMA)トーンを占有する、請求項1乃至5の何れか1項に記載の方法。
- プロセッサと、
前記プロセッサにより実行するためのプログラムを格納するコンピュータ可読記憶媒体であって、前記プログラムは、請求項1乃至7の何れか1項に記載の方法における諸動作を実施するための命令を含む、コンピュータ可読記憶媒体と、
を備える、送信器。 - 多重化符号語を運搬する信号を受信するステップであって、前記多重化符号語は、共有ネットワーク・リソースで通信される複数の符号語を含み、前記複数の符号語の各々は複数のコードブックのうち異なるコードブックに属し、前記複数のコードブックの各々は複数の多重化レイヤの異なる多重化レイヤに関連付けられるステップと、
受信器により、前記多重化符号語内の前記複数の符号語の第1の符号語を特定するステップであって、前記第1の符号語は、前記複数の多重化レイヤの第1の多重化レイヤに排他的に割り当てられた前記複数のコードブックの第1のコードブックに属し、前記受信器は前記第1の多重化レイヤに関連付けられるステップと、
前記第1の符号語を復号化して第1の二進データまたはM進データを取得するステップと、
を含み、
前記第1の符号語を復号化して前記第1の二進データまたはM進データを取得するステップは、
前記第1の符号語を前記第1の二進データまたはM進データの二進値またはM進値に直接マッピングするステップであって、前記第1のコードブック内の各符号語は異なる二進値またはM進値に関連付けられるステップ
を含む、データを受信するための方法。 - 前記多重化符号語内の前記第1の符号語を特定するステップは、メッセージ受渡しアルゴリズム(MPA)を適用して、前記多重化符号語に含まれる前記複数の符号語から前記第1の符号語を検出するステップを含む、請求項9に記載の方法。
- 前記第1の符号語は、ネットワークの共有された複数のリソースにわたる、前記第1の二進データまたはM進データの変調されたベクトルを表す、請求項9または10に記載の方法。
- 前記複数の多重化レイヤのうち異なる多重化レイヤは異なる多入力多出力(MIMO)空間レイヤを占有する、請求項9乃至11の何れか1項に記載の方法。
- 前記複数の多重化レイヤのうち異なる多重化レイヤは異なる直交周波数分割多重アクセス(OFDMA)トーンを占有する、請求項9乃至11の何れか1項に記載の方法。
- 受信器であって、
プロセッサと、
前記プロセッサにより実行するためのプログラムを格納するコンピュータ可読記憶媒体であって、前記プログラムは、請求項9乃至13の何れか1項に記載の方法における諸動作を実施するための命令を含む、コンピュータ可読記憶媒体と、
を備える、受信器。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201261727486P | 2012-11-16 | 2012-11-16 | |
US61/727,486 | 2012-11-16 | ||
US13/730,355 US9240853B2 (en) | 2012-11-16 | 2012-12-28 | Systems and methods for sparse code multiple access |
US13/730,355 | 2012-12-28 | ||
PCT/CN2013/087311 WO2014075637A1 (en) | 2012-11-16 | 2013-11-18 | Systems and methods for sparse code multiple access |
Publications (2)
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JP2016501470A JP2016501470A (ja) | 2016-01-18 |
JP6086408B2 true JP6086408B2 (ja) | 2017-03-01 |
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JP2015542153A Expired - Fee Related JP6086408B2 (ja) | 2012-11-16 | 2013-11-18 | 疎コード多重アクセスのためのシステムおよび方法 |
Country Status (12)
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US (3) | US9240853B2 (ja) |
EP (1) | EP2912782B1 (ja) |
JP (1) | JP6086408B2 (ja) |
KR (2) | KR101719969B1 (ja) |
CN (2) | CN104798317B (ja) |
AU (1) | AU2013347359B2 (ja) |
BR (1) | BR112015011205A8 (ja) |
CA (1) | CA2891623C (ja) |
MY (1) | MY178717A (ja) |
RU (1) | RU2603280C1 (ja) |
SG (1) | SG11201503865SA (ja) |
WO (1) | WO2014075637A1 (ja) |
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