JP2000512098A - セルラシステムにおける無線受信機の同期の方法および装置 - Google Patents
セルラシステムにおける無線受信機の同期の方法および装置Info
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- JP2000512098A JP2000512098A JP10500477A JP50047798A JP2000512098A JP 2000512098 A JP2000512098 A JP 2000512098A JP 10500477 A JP10500477 A JP 10500477A JP 50047798 A JP50047798 A JP 50047798A JP 2000512098 A JP2000512098 A JP 2000512098A
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- 238000000034 method Methods 0.000 title claims abstract description 122
- 230000001413 cellular effect Effects 0.000 title description 3
- 230000005540 biological transmission Effects 0.000 claims abstract description 40
- 230000001360 synchronised effect Effects 0.000 claims description 35
- 238000004891 communication Methods 0.000 claims description 24
- 238000005065 mining Methods 0.000 claims 1
- 230000008054 signal transmission Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 10
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- 238000001228 spectrum Methods 0.000 description 3
- 241000282376 Panthera tigris Species 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 2
- 238000005311 autocorrelation function Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
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- 230000003252 repetitive effect Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2662—Arrangements for Wireless System Synchronisation
- H04B7/2671—Arrangements for Wireless Time-Division Multiple Access [TDMA] System Synchronisation
- H04B7/2678—Time synchronisation
- H04B7/2687—Inter base stations synchronisation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2662—Arrangements for Wireless System Synchronisation
- H04B7/2671—Arrangements for Wireless Time-Division Multiple Access [TDMA] System Synchronisation
- H04B7/2678—Time synchronisation
- H04B7/2687—Inter base stations synchronisation
- H04B7/269—Master/slave synchronisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2662—Arrangements for Wireless System Synchronisation
- H04B7/2671—Arrangements for Wireless Time-Division Multiple Access [TDMA] System Synchronisation
- H04B7/2678—Time synchronisation
- H04B7/2687—Inter base stations synchronisation
- H04B7/2696—Over the air autonomous synchronisation, e.g. by monitoring network activity
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Small-Scale Networks (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.それぞれのトランシーバ構成が無線リンク(L3)を介して通信を行なう 少なくとも2つのトランシーバ(4、5)を具備しているある数のトランシーバ 構成(9)を形成するように構成されている無線トランシーバを同期する方法で あって、上記トランシーバが共通のエアインターフェースを用いかつ共通の同期 信号(SS)と同期するようになっている方法において、 上記同期信号(SS)は上記トランシーバによって発生されるようになってお り、 少なくともある数の上記トランシーバ構成(9)の少なくとも1つのトランシ ーバ(4、5)は上記同期信号(SS)の発生に寄与するようになっている、 ことを特徴とする方法。 2.請求の範囲第1項記載の方法において、各トランシーバ構成(9)の少な くとも1つのトランシーバ(4、5)は上記同期信号(SS)の発生に寄与する ようになっていることを特徴とする方法。 3.請求の範囲第1項または第2項記載の方法において、 上記トランシーバ構成(9)は、重ね合わされて上記同期信号(SS)を形成 する少なくとも2つのビーコンパルス列信号(B1、B2)を発生するようにな っており、 上記トランシーバ(1、・・・、9)はそれぞれ上記ビーコンパルス列信号( B1、B2)のうちの任意のものと同期するようになっている、 ことを特徴とする方法。 4.請求の範囲第3項記載の方法において、少なくともある数の上記トランシ ーバ構成(9)の少なくとも1つのトランシーバ(4、5)は上記第1のビーコ ンパルス列信号とは同一ではない上記ビーコンパルス列信号(B1、B2)の少 なくとも1つの発生に寄与するようになっていることを特徴とする方法。 5.請求の範囲の先行する項のうちの任意の1項記載の方法において、各トラ ンシーバ構成(9)のトランシーバ(4、5)は短距離無線伝送リンク(L3) を介して音声またはデータを交換するようになっていることを特徴とする方法。 6.請求の範囲第5項記載の方法において、上記トランシーバは特定の時間ス ロットの間に音声またはデータを送信するように要求され、特徴として、各リン クの伝播遅延は上記時間スロットの持続時間に比較して相対的に小さくされてい る方法。 7.請求の範囲の先行する項のうちの任意の1項記載の方法において、上記ト ランシーバ(1、・・・、9)はバースト送信を行なうようになっていることを 特徴とする方法。 8.請求の範囲第3項から第7項のうちの任意の1項記載の方法において、各 ビーコンパルス列信号(B1、B2)は少なくとも2つの離れたキャリア周波数 (f1、f2、f3、f4)で交互に送信されるようになっていることを特徴とす る方法。 9.請求の範囲第3項から第8項のうちの任意の1項記載の方法において、各 ビーコンパルス列信号(B1、B2)は一連のパルスからなり、各パルス(40 1、・・・、406、407、・・・、411)は2進シーケンスからなってい ることを特徴とする方法。 10.請求の範囲第9項記載の方法において、上記ビーコンパルス列信号(B 1、B2)の全てのパルスは実質的に同一の2進シーケンスからなっており、異 なったビーコンパルス列信号の上記2進シーケンスは相互に直交となっているこ とを特徴とする方法。 11.請求の範囲第3項から第10項のうちの任意の1項記載の方法において 、各トランシーバ(4、5)はトランシーバ(1、・・・、9)にあって信号の 送受信を制御する内部タイミング回路(77、200、201)を具備しており 、特徴として、各トランシーバは、最高信号強度を有しこのトランシーバによっ て受信されたビーコンパルス列信号(B1、B2)に自己の内部タイミング回路 (200、201)を同期するようになっている方法。 12.請求の範囲の先行する項のうちの任意の1項記載の方法において、上記 同期信号(SS)は同一の繰り返し周期(T)を有する2つの交互配置のビーコ ンパルス列信号(B1、B2)からなっていることを特徴とする方法。 13.請求の範囲第12項記載の方法において、上記2つのビーコンパルス列 信号(B1、B2)は1つのビーコンパルス列信号の2つの近接したパルス間の 時間期間の実質的に2分の1だけ互いにシフトされていることを特徴とする方法 。 14.請求の範囲第13項記載の方法において、少なくともある数の上記トラ ンシーバ構成(9)の少なくとも1つのトランシーバ(4、5)は、トランシー バ(4、5)が同期するビーコンパルス列信号(B1)の2つの受信ビーコンパ ルス(401、404)間の中央でビーコンパルス(409)を送信することに より上記同期信号(SS)の発生に寄与するようになっていることを特徴とする 方法。 15.各トランシーバ構成(9)が無線リンク(L3)を介して通信を行なう 少なくとも2つのトランシーバ(4、5)からなる多トランシーバ構成を備えた ネットワークで直交無線チャンネルを得る方法において、 −共通の同期信号に各トランシーバ(4、5)を同期するステップと、 −時間スケールを間隔に分割して時間スロットを定めるステップと、 −時間スロットを各無線リンク(L3)に割り当てるステップと、 を具備しており、特徴として、 上記トランシーバ構成の少なくとも1つのトランシーバが対応する内部タイマ (77)に従ってビーコンパルス(401、・・・、406、・・・411)を 送信するようにされている送信ステップを具備しており、 上記ビーコンパルスはそれらがビーコンパルス列信号(B1、B2)を形成す るように重ね合わされるようになっており、 上記ビーコンパルス列信号(B1、B2)はそれらが上記同期信号(SS)を 形成するように重ね合わされるようになっている、方法。 16.請求の範囲第15項記載の方法において、上記トランシーバ構成(9) は特別目的のネットワークを形成するようになっていることを特徴とする方法。 17.請求の範囲第15項または第16項記載の方法において、新たな前に未 同期のトランシーバはビーコンパルス列信号(B1、B2)を走査することによ って上記ネットワークと同期し、どれかのビーコンパルス列信号が見い出されれ ば、利用可能なビーコンパルス列信号(B1、B2)の最強のものへのロックが 行なわれるようにしたことを特徴とする方法。 18.請求の範囲第17項記載の方法において、各ビーコンパルス列信号(B 1、B2)は一連のビーコンパルス(401、・・・、406、・・・、411 )からなっており、特徴として、新たなトランシーバのうち上記同期信号(SS )の発生に寄与するものは、個々のトランシーバがロックされるビーコンパルス 列信号(B1、B2)の受信ビーコンパルス間でビーコンパルス(401、・・ ・、411)を送信するようになっている方法。 19.請求の範囲第15項から第18項のうちの任意の1項記載の方法におい て、上記時間スロットは上記ビーコンパルス(401、・・・、411)のタイ ミングに関連して定められるようになっていることを特徴とする方法。 20.請求の範囲第15項から第19項のうちの任意の1項記載の方法におい て、トランシーバ構成(9)のトランシーバ(4、5)は音声またはデータトラ フィックのために利用可能な時間スロットで信号レベルを測定して音声またはデ ータ伝送のために一組の時間スロットを割り当て、トラフィックが認められる時 間スロットを除いた時間スロットの上記組を選択するようにしたことを特徴とす る方法。 21.請求の範囲第15項から第20項のうちの任意の1項記載の方法におい て、上記無線リンク(L1、L2)は短距離のものであり、そのため上記時間ス ロットの持続時問に対する各リンク(L1、・・・、L5)の伝播遅延の比が比 較的小さくされていることを特徴とする方法。 22.それぞれのトランシーバ構成(9)が無線リンク(L3)を介して通信 を行なう少なくとも2つのトランシーバ(4、5)を具備している少なくとも1 つのトランシーバ構成を具備した装置であって、上記トランシーバ構成が共通の エアインターフェースを用いかつ共通の同期信号(SS)にロックするようにな っている装置において、上記同期信号(SS)は上記トランシーバ構成(9)に よって発生されるようになっており、少なくともある数の上記トランシーバ構成 の少なくとも1つのトランシーバ(4、5)は上記同期信号(SS)に寄与する ように構成されていることを特徴とする装置。 23.請求の範囲第22項記載の装置において、各トランシーバ構成(9)の トランシーバ(4、5)は短距離無線伝送リンク(L3)を介して音声またはデ ータを交換するように構成されていることを特徴とする装置。 24.請求の範囲第22項または第23項記載の装置において、上記トランシ ーバ(1、・・・、7)はバースト送信を行なうように構成されていることを特 徴とする装置。 25.請求の範囲第22項、第23項または第24項記載の装置において、上 記同期信号(SS)は、それぞれが一連のビーコンパルス(401、・・・、4 06、407、・・・、411)からなる少なくとも2つのビーコンパルス列信 号(B1、B2)の重ね合わせからなっていることを特徴とする装置。 26.請求の範囲第25項記載の装置において、上記ビーコンパルス列信号( B1、B2)は同一の繰り返し周期(T)を有し、それらそれぞれのビーコンパ ルス(401、・・・、406、407、・・・、411)が一致しないような 態様で構成されていることを特徴とする装置。 27.請求の範囲第25項または第26項記載の装置において、各ビーコンパ ルス列信号(B1、B2)は少なくとも2つの離れたキャリア周波数(f1、f2 、f3、f4)で交互に送信されるように構成されていることを特徴とする装置。 28.請求の範囲第25項、第26項または第27項記載の装置において、各 パルス(401、・・・、406、407、・・・、411)は2進シーケンス からなっていることを特徴とする装置。 29.請求の範囲第28項記載の装置において、ビーコンパルス列信号(B1 、B2)の全てのパルスは実質的に同一の2進シーケンスからなっており、異な ったビーコンパルス列信号の上記2進シーケンスは相互に直交となっていること を特徴とする装置。 30.請求の範囲第25項から第29項のうちの任意の1項記載の装置におい て、各トランシーバ(1、・・・、7)はトランシーバにあって信号の送受信を 制御する内部タイミング回路(200、201)を具備しており、特徴として、 各トランシーバ(1、・・・、7)は、最高信号強度を有しこのトランシーバ( 1、・・・、7)によって受信されたビーコンパルス列信号(B1、B2)に自 己の内部タイマ(200、201)を同期するように構成されている装置。 31.無線ネットワークのトランシーバ構成(9)を同期する方法であって、 上記トランシーバ構成は無線通信リンク(L3)を介して通信を行なう少なくと も2つのトランシーバ(4、5)を具備し、各トランシーバは内部タイマ(77 )を具備しており、 各トランシーバ(4、5)が最強の利用可能な同期信号(SS)の走査を行な うようにするステップと、 上記最強の利用可能な同期信号(SS)の存在を確認することができる上記ト ランシーバ(4、5)のそれぞれが対応する内部タイマ(77)を上記最強の利 用可能な同期信号(SS)と同期させるようにする同期ステップと、 を具備するような方法において、 上記トランシーバ構成の少なくとも1つのトランシーバが対応する内部タイマ (77)に従ってビーコンパルス(401、・・・、406、407、・・・、 411)を送信させるようにする送信ステップを具備しており、 上記ビーコンパルスは上記同期信号(SS)に寄与するようになった、 ことを特徴とする方法。 32.請求の範囲第31項記載の方法において、上記トランシーバ構成(9) の上記トランシーバ(4、5)は短距離無線通信リンク(L3)を介して音声ま たはデータを交換するようになっていることを特徴とする方法。 33.請求の範囲第31項または第32項記載の方法において、個々のトラン シーバ(1、・・・9)からのビーコンパルス(401、・・・、406、40 7、・・・、411)は、それらが同期信号(SS)を一緒になって構成する少 なくとも2つのビーコンパルス列信号(B1、B2)を形成するように重畳する ようになっていることを特徴とする方法。 34.請求の範囲第31項から第33項のうちの任意の1項記載の方法におい て、上記ビーコンパルス列信号(B1、B2)は交互に配置されたことを特徴と する方法。 35.無線ネットワークのトランシーバ構成(9)を同期する方法であって、 上記トランシーバ構成は無線通信リンク(L3)を介して通信を行なう少なくと も2つのトランシーバ(4、5)を具備し、各トランシーバは内部タイマ(77 )を具備しており、 各トランシーバ(4、5)が最強の利用可能な同期信号(SS)の走査を行な うようにする走査ステップと、 上記最強の利用可能な同期信号(SS)の存在を確認することができる上記ト ランシーバ(4、5)のそれぞれが、対応する内部タイマ(77)を上記最強の 利用可能な同期信号(SS)と同期させるようにする同期ステップと、 を具備するような方法において、 上記同期信号(SS)は少なくとも2つのビーコンパルス列信号(B1、B2 )から構成され、それぞれは少なくとも2つの無線トランシーバ(1、・・・、 9)によって発生されたビーコンパルスの重ね合わせで構成されるようにした、 ことを特徴とする方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9602270-2 | 1996-06-07 | ||
| SE9602270A SE518132C2 (sv) | 1996-06-07 | 1996-06-07 | Metod och anordning för synkronisering av kombinerade mottagare och sändare i ett cellulärt system |
| PCT/SE1997/000814 WO1997047096A2 (en) | 1996-06-07 | 1997-05-16 | Method and arrangement for synchronization of radio tranceivers in a cellular system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000512098A true JP2000512098A (ja) | 2000-09-12 |
| JP2000512098A5 JP2000512098A5 (ja) | 2005-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP10500477A Ceased JP2000512098A (ja) | 1996-06-07 | 1997-05-16 | セルラシステムにおける無線受信機の同期の方法および装置 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US6028853A (ja) |
| EP (1) | EP0895677B1 (ja) |
| JP (1) | JP2000512098A (ja) |
| CN (1) | CN1132345C (ja) |
| AR (1) | AR007513A1 (ja) |
| AU (1) | AU724739B2 (ja) |
| BR (1) | BR9709296A (ja) |
| EE (1) | EE03410B1 (ja) |
| ID (1) | ID18354A (ja) |
| SE (1) | SE518132C2 (ja) |
| WO (1) | WO1997047096A2 (ja) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004071022A1 (ja) * | 2003-02-03 | 2004-08-19 | Sony Corporation | 無線通信システム、無線通信装置及び無線通信方法、並びにコンピュータプログラム |
| US8320288B2 (en) | 2007-06-04 | 2012-11-27 | Sony Corporation | Communication system, communication apparatus and communication method, and computer program |
| JP2014077699A (ja) * | 2012-10-10 | 2014-05-01 | Panasonic Corp | 携帯端末、無線通信システム、およびロケータ位置報知方法 |
| JPWO2016047273A1 (ja) * | 2014-09-25 | 2017-07-06 | ソニー株式会社 | 装置及びシステム |
Families Citing this family (232)
| Publication number | Priority date | Publication date | Assignee | Title |
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- 1997-05-16 EE EE9800427A patent/EE03410B1/xx not_active IP Right Cessation
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- 1997-05-16 CN CN97194805A patent/CN1132345C/zh not_active Expired - Fee Related
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| US9843935B2 (en) | 2003-02-03 | 2017-12-12 | Sony Corporation | Wireless communication system, wireless communication apparatus and wireless communication method and computer program |
| US8320288B2 (en) | 2007-06-04 | 2012-11-27 | Sony Corporation | Communication system, communication apparatus and communication method, and computer program |
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| JP2014077699A (ja) * | 2012-10-10 | 2014-05-01 | Panasonic Corp | 携帯端末、無線通信システム、およびロケータ位置報知方法 |
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| WO1997047096A3 (en) | 1998-02-05 |
| BR9709296A (pt) | 1999-08-10 |
| EE03410B1 (et) | 2001-04-16 |
| SE9602270L (sv) | 1997-12-08 |
| EE9800427A (et) | 1999-06-15 |
| SE518132C2 (sv) | 2002-08-27 |
| AU3110497A (en) | 1998-01-05 |
| SE9602270D0 (sv) | 1996-06-07 |
| AR007513A1 (es) | 1999-11-10 |
| AU724739B2 (en) | 2000-09-28 |
| EP0895677A2 (en) | 1999-02-10 |
| CN1132345C (zh) | 2003-12-24 |
| CN1219309A (zh) | 1999-06-09 |
| US6028853A (en) | 2000-02-22 |
| ID18354A (id) | 1998-04-02 |
| EP0895677B1 (en) | 2005-12-14 |
| WO1997047096A2 (en) | 1997-12-11 |
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