JP2005253096A - ダウンリンクにおけるマルチユーザ検出のサポート - Google Patents
ダウンリンクにおけるマルチユーザ検出のサポート Download PDFInfo
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- JP2005253096A JP2005253096A JP2005080278A JP2005080278A JP2005253096A JP 2005253096 A JP2005253096 A JP 2005253096A JP 2005080278 A JP2005080278 A JP 2005080278A JP 2005080278 A JP2005080278 A JP 2005080278A JP 2005253096 A JP2005253096 A JP 2005253096A
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- 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
- H04B1/7097—Interference-related aspects
- H04B1/7103—Interference-related aspects the interference being multiple access interference
-
- 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
- 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
- H04B1/7097—Interference-related aspects
- H04B1/7103—Interference-related aspects the interference being multiple access interference
- H04B1/7105—Joint detection techniques, e.g. linear detectors
-
- 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
- H04J13/16—Code allocation
-
- 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
- H04B1/7073—Synchronisation aspects
- H04B1/70735—Code identification
-
- 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
- H04B1/709—Correlator structure
- H04B1/7093—Matched filter type
- H04B2001/70935—Matched filter type using a bank of matched fileters, e.g. Fast Hadamard Transform
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/70707—Efficiency-related aspects
- H04B2201/70709—Efficiency-related aspects with discontinuous detection
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- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Time-Division Multiplex Systems (AREA)
- Examining Or Testing Airtightness (AREA)
- Geophysics And Detection Of Objects (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Catching Or Destruction (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
- Prostheses (AREA)
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- Investigating Or Analysing Biological Materials (AREA)
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Abstract
【解決方法】 符号分割多元接続利用の無線時分割二重送受信システムは基地局およびユーザ装置を備える。このシステムは、各々特有のチャネライゼーション符号およびミドアンブル符号を有する通信信号バーストの形で信号の送受信を行う。基地局から一つの時間スロットで伝送すべき通信信号バーストの各々につき、そのバーストのチャネライゼーション符号にマップしたミドアンブル符号を定める。それらバーストの各々はそのバーストのチャネライゼーション符号について定まったミドアンブル符号を有する。ユーザ装置はバーストを受けて各受信ミドアンブル符号を判定し、その判定結果に一部基づき、伝送されてきた通信信号バーストのチャネライゼーション符号を算定する。
【選択図】 図3
Description
12 基地局
14 ユーザ装置(UE)
16 通信信号バースト
18 ガード期間
20 ミドアンブル
22、24 データバースト
26 基地局送信機
28 ユーザ装置(UE)受信機
30 無線周波数チャネル
32 データ発生器
34 スペクトラム拡散および変調装置
36、42 ミキサ
38、40 アンテナ
52 コンバイナ
44 チャネル推算器
45 論理ブロック
46 マルチユーザ検出(MUD)装置
48 ミドアンブル符号系列検出装置
49 ミドアンブル符号/チャネライゼーション符号マッピング
装置
50 チャネライゼーション符号検出装置
54 ミドアンブル符号系列
56 チャネライゼーション符号
58 ミドアンブル符号とチャネライゼーション符号との間の
マッピングを形成する
60 ミドアンブル符号系列をバーストのチャネライゼーション
符号にマッピングして伝送対象の通信信号バーストを時間
スロットにフォーマット化する
62 フォーマット化ずみのバーストを基地局から送信する
64 UEにおいて受信ミドアンブル符号を判定する
66 受信したミドアンブル符号およびマッピングを用いて活性
状態のチャネライゼーション符号を判定する
68 判定ずみのチャネライゼーション符号を用いてバースト
からデータを再生する
82 整合フィルタチャネライゼーション符号1乃至M
84 電力測定装置
90 比較器
Claims (4)
- 時分割複信/符号分割多元接続ユーザ装置であって、
一つの時間スロット内に伝送されてきた複数の通信信号バーストを受信する手段と、
受信した通信信号バーストに含まれるミドアンブル符号を判定する手段と、
判定したミドアンブル符号の通信信号のチャネライゼーション符号を判定する手段と
を含み、
前記チャネライゼーションとミドアンブル符号との間に、ミドアンブルの各々が少なくとも一つのチャネライゼーション符号にマップされるとともに少なくとも一つのミドアンブル符号が通信信号バーストで同時に受信される少なくとも二つのチャネライゼーション符号にマップされる形のマッピングが存在する
ユーザ装置。 - 前記ミドアンブル符号の各々が基本のミドアンブル符号のシフトと特有の関連づけを示す請求項1記載のユーザ装置。
- 時分割複信/符号分割多元接続ユーザ装置において通信信号バーストのチャネライゼーション符号を判定する方法であって、
一つの時間スロット内に伝送されてきた複数の通信信号バーストを受信する過程と、
受信した通信信号バーストに含まれるミドアンブルを判定する過程と
を含み、
チャネライゼーション符号とミドアンブル符号との間にマッピングがあり、ミドアンブルの各々が少なくとも一つのチャネライゼーション符号にマップされるとともに少なくとも一つのミドアンブル符号が通信信号バーストで同時に受信される少なくとも二つのチャネライゼーション符号にマップされる
方法。 - 前記ミドアンブル符号の各々が基本のミドアンブル符号のシフトと特有の関連づけを示す請求項3記載の方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US18040200P | 2000-02-04 | 2000-02-04 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2001557187A Division JP3782012B2 (ja) | 2000-02-04 | 2001-02-02 | ダウンリンクにおけるマルチユーザ検出のサポート |
Related Child Applications (1)
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JP2007201977A Division JP2007329960A (ja) | 2000-02-04 | 2007-08-02 | ダウンリンクにおけるマルチユーザ検出のサポート |
Publications (2)
Publication Number | Publication Date |
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JP2005253096A true JP2005253096A (ja) | 2005-09-15 |
JP4649247B2 JP4649247B2 (ja) | 2011-03-09 |
Family
ID=22660319
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JP2001557187A Expired - Fee Related JP3782012B2 (ja) | 2000-02-04 | 2001-02-02 | ダウンリンクにおけるマルチユーザ検出のサポート |
JP2005080278A Expired - Fee Related JP4649247B2 (ja) | 2000-02-04 | 2005-03-18 | ダウンリンクにおけるマルチユーザ検出のサポート |
JP2007201977A Ceased JP2007329960A (ja) | 2000-02-04 | 2007-08-02 | ダウンリンクにおけるマルチユーザ検出のサポート |
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JP2001557187A Expired - Fee Related JP3782012B2 (ja) | 2000-02-04 | 2001-02-02 | ダウンリンクにおけるマルチユーザ検出のサポート |
Family Applications After (1)
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JP2007201977A Ceased JP2007329960A (ja) | 2000-02-04 | 2007-08-02 | ダウンリンクにおけるマルチユーザ検出のサポート |
Country Status (19)
Country | Link |
---|---|
US (5) | US6934271B2 (ja) |
EP (2) | EP1523109A3 (ja) |
JP (3) | JP3782012B2 (ja) |
KR (1) | KR100446173B1 (ja) |
CN (3) | CN1976243A (ja) |
AT (1) | ATE282264T1 (ja) |
AU (1) | AU2001233237A1 (ja) |
BR (1) | BR0108290A (ja) |
CA (1) | CA2399078C (ja) |
DE (2) | DE1252723T1 (ja) |
DK (1) | DK1252723T3 (ja) |
ES (1) | ES2227124T3 (ja) |
HK (2) | HK1056953A1 (ja) |
IL (3) | IL150991A0 (ja) |
MX (1) | MXPA02007499A (ja) |
NO (2) | NO326185B1 (ja) |
SG (2) | SG161102A1 (ja) |
TW (1) | TW508923B (ja) |
WO (1) | WO2001058041A2 (ja) |
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JP2007329960A (ja) * | 2000-02-04 | 2007-12-20 | Interdigital Technol Corp | ダウンリンクにおけるマルチユーザ検出のサポート |
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