JP2001508983A - スペクトラム拡散通信システムにおける移動局の同期 - Google Patents
スペクトラム拡散通信システムにおける移動局の同期Info
- Publication number
- JP2001508983A JP2001508983A JP50548599A JP50548599A JP2001508983A JP 2001508983 A JP2001508983 A JP 2001508983A JP 50548599 A JP50548599 A JP 50548599A JP 50548599 A JP50548599 A JP 50548599A JP 2001508983 A JP2001508983 A JP 2001508983A
- Authority
- JP
- Japan
- Prior art keywords
- synchronization
- frame
- code
- slot
- slots
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
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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
- H04B1/7073—Synchronisation aspects
- H04B1/7075—Synchronisation aspects with code phase acquisition
- H04B1/7077—Multi-step acquisition, e.g. multi-dwell, coarse-fine or validation
-
- 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
- H04B1/7075—Synchronisation aspects with code phase acquisition
- H04B1/70751—Synchronisation aspects with code phase acquisition using partial detection
- H04B1/70752—Partial correlation
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 複数の同期スロットを有する繰り返しフレームと、 前記繰り返しフレームのそれぞれの同期スロット内で繰り返されるパイロット 繰り返しフレームの複数の同期スロットの少なくとも一つにあるフレーム同期 マット。 3. 請求項1に記載のフォーマットであって、複数の同期スロットのうちの二 有の符号であり、それぞれのフレーム内で繰り返される、フォーマット。 レーム同期符号とはオーバーラップしない、フォーマット。 5. 請求項3に記載のフォーマットであって、前記複数のフレーム同期符号は 互いに直交している、フォーマット。 6. タイミング同期確保のためのパイロットチャネルを含む信号を処理する方 法であって、前記信号は、複数の同期スロットに細分されている一つのフレーム 同期スロットのロケーションを見つけ出すため、受信信号とパイロット符号 フレーム同期タイミング情報を得るため、見つけ出した同期スロット内の一つップとを含む、方法。 7. 請求項6に記載の方法であって、第2の相関を調べるステップは前記フレ ロットのロケーションのそれぞれの内の一つのロケーションにマッチさせるステ ップを含む、方法。 8. 請求項6に記載の方法であって、複数の同期スロットのなかの二つ以上に あり、前記第2の相関を調べるステップは、複数のフレーム同期符号を同期スロ ット内の前記ロケーションに整合させるステップを含む、方法。 9. 請求項8に記載の方法であって、前記複数のフレーム同期符号は互いに直 交している、方法。 10.請求項6に記載の方法であって、前記第2の相関を調べるステップは、さ ジションから、前記フレーム同期タイミング情報を識別するステップを含む、方 法。 12.タイミング同期情報を得るためパイロットチャネルを含む符号分割多元接 続信号を処理する装置であって、 ロットとを具備する複数の同期スロットに細分されている一つのフレームを含ん でいる繰り返しフレームを有する信号を受信するための受信機と、 前記信号のパイロットチャネル部分を受信するため前記受信機に接続されたパ イロットチャネルサーチャーとを有し、前記サーチャーは、複数の同期スロット のロケーションを見つけ出すため、受信したパイロットチャネル部分を前記パイ ーム同期タイミング情報を得るため見つけ出した同期スロット内のロケーション る、働きをするようになっている、装置。 13.請求項11に記載の装置であって、前記サーチャーは前記フレーム同期符 号を繰り返しフレーム内の複数の連続している、見出された同期スロットの各ス ロット内のロケーションに整合させる、装置。 号であり、前記第2の相関を調べるステップは、前記複数のフレーム同期符号を 各同期スロット内の前記ロケーションに整合させるステップを含む、装置。 15.請求項14に記載の装置であって、前記複数のフレーム同期符号は相互に 直交している装置。 16.請求項12に記載の装置であって、前記サーチャーは、さらに前記フレー 記フレーム同期タイミング情報を識別する、装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/884,002 | 1997-06-27 | ||
US08/884,002 US5991330A (en) | 1997-06-27 | 1997-06-27 | Mobile Station synchronization within a spread spectrum communication systems |
PCT/SE1998/001138 WO1999000912A1 (en) | 1997-06-27 | 1998-06-12 | Mobile station synchronization within a spread spectrum communications system |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002145094A Division JP3472773B2 (ja) | 1997-06-27 | 2002-05-20 | スペクトラム拡散通信システムにおける移動局の同期 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2001508983A true JP2001508983A (ja) | 2001-07-03 |
JP3408545B2 JP3408545B2 (ja) | 2003-05-19 |
Family
ID=25383775
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50548599A Expired - Lifetime JP3408545B2 (ja) | 1997-06-27 | 1998-06-12 | スペクトラム拡散通信システムにおける移動局の同期 |
JP2002145094A Expired - Lifetime JP3472773B2 (ja) | 1997-06-27 | 2002-05-20 | スペクトラム拡散通信システムにおける移動局の同期 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002145094A Expired - Lifetime JP3472773B2 (ja) | 1997-06-27 | 2002-05-20 | スペクトラム拡散通信システムにおける移動局の同期 |
Country Status (15)
Country | Link |
---|---|
US (1) | US5991330A (ja) |
EP (1) | EP0992122B1 (ja) |
JP (2) | JP3408545B2 (ja) |
KR (1) | KR100363668B1 (ja) |
CN (1) | CN1123142C (ja) |
AR (1) | AR018001A1 (ja) |
AU (1) | AU737540B2 (ja) |
BR (2) | BR9810325B1 (ja) |
CA (1) | CA2293305C (ja) |
DE (1) | DE69815105T2 (ja) |
MY (1) | MY117414A (ja) |
RU (1) | RU2202149C2 (ja) |
TW (1) | TW387186B (ja) |
WO (1) | WO1999000912A1 (ja) |
ZA (1) | ZA984725B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006519561A (ja) * | 2003-02-27 | 2006-08-24 | モトローラ・インコーポレイテッド | 無線通信システムにおけるフレーム同期及びスクランブリング・コード識別及びその方法 |
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- 1998-06-12 BR BRPI9810325-3B1A patent/BR9810325B1/pt active IP Right Grant
- 1998-06-12 EP EP98929988A patent/EP0992122B1/en not_active Expired - Lifetime
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- 1998-06-12 WO PCT/SE1998/001138 patent/WO1999000912A1/en active IP Right Grant
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JP2006519561A (ja) * | 2003-02-27 | 2006-08-24 | モトローラ・インコーポレイテッド | 無線通信システムにおけるフレーム同期及びスクランブリング・コード識別及びその方法 |
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US5991330A (en) | 1999-11-23 |
KR100363668B1 (ko) | 2002-12-16 |
TW387186B (en) | 2000-04-11 |
CA2293305C (en) | 2009-02-03 |
KR20010014261A (ko) | 2001-02-26 |
ZA984725B (en) | 1999-12-02 |
CA2293305A1 (en) | 1999-01-07 |
WO1999000912A1 (en) | 1999-01-07 |
AR018001A1 (es) | 2001-10-31 |
EP0992122A1 (en) | 2000-04-12 |
JP3408545B2 (ja) | 2003-05-19 |
BR9810325B1 (pt) | 2013-09-17 |
EP0992122B1 (en) | 2003-05-28 |
JP3472773B2 (ja) | 2003-12-02 |
CN1123142C (zh) | 2003-10-01 |
BR9810325A (pt) | 2000-09-05 |
BR9816367B1 (pt) | 2013-08-06 |
DE69815105T2 (de) | 2004-04-01 |
RU2202149C2 (ru) | 2003-04-10 |
CN1261479A (zh) | 2000-07-26 |
AU737540B2 (en) | 2001-08-23 |
MY117414A (en) | 2004-06-30 |
JP2003037580A (ja) | 2003-02-07 |
AU7947698A (en) | 1999-01-19 |
DE69815105D1 (de) | 2003-07-03 |
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