JP2014060776A - 無線ディジタル符号分割多元接続(cdma)通信システムの加入者ユニット - Google Patents
無線ディジタル符号分割多元接続(cdma)通信システムの加入者ユニット Download PDFInfo
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- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2628—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
- Telephonic Communication Services (AREA)
- Radio Relay Systems (AREA)
- Communication Control (AREA)
Abstract
【解決手段】本発明のシステムは、加入者からの要求に即応してISDN帯域幅を効率的に割り当てる。加入者局ユニットが起動すると、本システムはチャネルを設定し、その加入者局ユニットの求める最大容量チャネルのサポートに必要なスペクトラム拡散符号を発生する。加入者局ユニットから実際に要求があるまで通信帯域幅の一部を保留しておくことはしない。スペクトラム拡散符号の割当てなど呼セットアップは上記加入者局ユニットからの呼の始まりに行われるので、加入者局ユニットは所要特定用途のサポートに必要な周波数スペクトラムの一部へのアクセスを急速に達成できる。
【選択図】図3
Description
コンテンツに関わりなくそのインタフェースの他の通信路から区別できる通信路である。
しかし、CDMA通信では互いに別々の通信路をそのコンテンツで区別する。この発明に
おける論理チャネルおよび論理サブチャネルはすべて共通の64kシンボル/秒(ksym/s
)QPSKストリームにマップする。いくつかのチャネルは、グローバルパイロット符号
から発生しそれと同様の作用をもたらす関連パイロット符号と同期している。システムパ
イロット信号は論理チャネルとは考えない。
102 無線分配ユニット(RDU)
103 市内交換局
104−110 無線搬送波局(RCS)
111−118 加入者局ユニット
131−139 リンク
141−150 電話会社リンク
161−165 無線リンク
Claims (3)
- 符号分割多重アクセス(CDMA)ユーザ端末によって使用する方法において、
所定のデータ送信レートのチャネルを設定するステップと、
前記通信チャネルの少なくとも1つを使用して、初期データレートで、通信を送信するステップと、
前記通信をモニタし、および、前記通信の継続したサポートのために必要とされる調整されたデータレートを決定するステップと、
前記調整されたデータレートに基づいて、前記通信のための十分な数のチャネルを割り当てるステップであって、複数の電力コマンドが、制御シグナリングを使用して、チャネル上に時間多重化されている、割り当てるステップと
を備えることを特徴とする方法。 - 前記チャネルは、割り当てられたチャネルの前記データレートの合計が前記調整されたデータレートと少なくとも等しく、および、前記調整されたデータレートプラス所定のデータレート未満であるように、割り当てられることを特徴とする請求項1に記載の方法。
- 前記送信するステップは、前記割り当てられたチャネル内で、前記通信の前記送信を続けることを特徴とする請求項1に記載の方法。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US4963797P | 1997-06-16 | 1997-06-16 | |
US60/049,637 | 1997-06-16 | ||
US08/898,537 US6075792A (en) | 1997-06-16 | 1997-07-22 | CDMA communication system which selectively allocates bandwidth upon demand |
US08/898,537 | 1997-07-22 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012226170A Division JP5462337B2 (ja) | 1997-06-16 | 2012-10-11 | 無線ディジタル符号分割多元接続(cdma)通信システムの加入者ユニット |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015018239A Division JP2015130673A (ja) | 1997-06-16 | 2015-02-02 | 無線ディジタル符号分割多元接続(cdma)通信システムの加入者ユニット |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014060776A true JP2014060776A (ja) | 2014-04-03 |
JP5919249B2 JP5919249B2 (ja) | 2016-05-18 |
Family
ID=26727376
Family Applications (11)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50443499A Pending JP2002513540A (ja) | 1997-06-16 | 1998-05-26 | 要求に即応して帯域幅を選択的に割り当てるcdma通信システム |
JP2005152670A Expired - Lifetime JP4373964B2 (ja) | 1997-06-16 | 2005-05-25 | 無線通信システムにおいて複数のデータ通信速度をサポートする方法 |
JP2009163966A Expired - Lifetime JP4554720B2 (ja) | 1997-06-16 | 2009-07-10 | コード分割多元接続(cdma)通信システムの加入者ユニット及びその方法 |
JP2009163965A Expired - Fee Related JP4875731B2 (ja) | 1997-06-16 | 2009-07-10 | 無線ディジタル符号分割多元接続(cdma)通信システム |
JP2010094869A Expired - Fee Related JP4838371B2 (ja) | 1997-06-16 | 2010-04-16 | 無線ディジタル符号分割多元接続(cdma)通信システムの加入者ユニット |
JP2011026245A Expired - Fee Related JP5199408B2 (ja) | 1997-06-16 | 2011-02-09 | 無線ディジタル符号分割多元接続(cdma)通信システムの加入者ユニット |
JP2011233197A Expired - Fee Related JP5199438B2 (ja) | 1997-06-16 | 2011-10-24 | 無線ディジタル符号分割多元接続(cdma)通信システムの加入者ユニット |
JP2012226170A Expired - Fee Related JP5462337B2 (ja) | 1997-06-16 | 2012-10-11 | 無線ディジタル符号分割多元接続(cdma)通信システムの加入者ユニット |
JP2013236135A Expired - Lifetime JP5919249B2 (ja) | 1997-06-16 | 2013-11-14 | 無線ディジタル符号分割多元接続(cdma)通信システムの加入者ユニット |
JP2015018239A Pending JP2015130673A (ja) | 1997-06-16 | 2015-02-02 | 無線ディジタル符号分割多元接続(cdma)通信システムの加入者ユニット |
JP2016061689A Pending JP2016149792A (ja) | 1997-06-16 | 2016-03-25 | 無線ディジタル符号分割多元接続(cdma)通信システムの加入者ユニット |
Family Applications Before (8)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50443499A Pending JP2002513540A (ja) | 1997-06-16 | 1998-05-26 | 要求に即応して帯域幅を選択的に割り当てるcdma通信システム |
JP2005152670A Expired - Lifetime JP4373964B2 (ja) | 1997-06-16 | 2005-05-25 | 無線通信システムにおいて複数のデータ通信速度をサポートする方法 |
JP2009163966A Expired - Lifetime JP4554720B2 (ja) | 1997-06-16 | 2009-07-10 | コード分割多元接続(cdma)通信システムの加入者ユニット及びその方法 |
JP2009163965A Expired - Fee Related JP4875731B2 (ja) | 1997-06-16 | 2009-07-10 | 無線ディジタル符号分割多元接続(cdma)通信システム |
JP2010094869A Expired - Fee Related JP4838371B2 (ja) | 1997-06-16 | 2010-04-16 | 無線ディジタル符号分割多元接続(cdma)通信システムの加入者ユニット |
JP2011026245A Expired - Fee Related JP5199408B2 (ja) | 1997-06-16 | 2011-02-09 | 無線ディジタル符号分割多元接続(cdma)通信システムの加入者ユニット |
JP2011233197A Expired - Fee Related JP5199438B2 (ja) | 1997-06-16 | 2011-10-24 | 無線ディジタル符号分割多元接続(cdma)通信システムの加入者ユニット |
JP2012226170A Expired - Fee Related JP5462337B2 (ja) | 1997-06-16 | 2012-10-11 | 無線ディジタル符号分割多元接続(cdma)通信システムの加入者ユニット |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015018239A Pending JP2015130673A (ja) | 1997-06-16 | 2015-02-02 | 無線ディジタル符号分割多元接続(cdma)通信システムの加入者ユニット |
JP2016061689A Pending JP2016149792A (ja) | 1997-06-16 | 2016-03-25 | 無線ディジタル符号分割多元接続(cdma)通信システムの加入者ユニット |
Country Status (11)
Country | Link |
---|---|
US (13) | US6075792A (ja) |
EP (3) | EP0990312A2 (ja) |
JP (11) | JP2002513540A (ja) |
KR (13) | KR101139990B1 (ja) |
CN (4) | CN1905384A (ja) |
AU (1) | AU743633B2 (ja) |
BR (1) | BR9810164A (ja) |
CA (1) | CA2294226C (ja) |
DE (1) | DE990312T1 (ja) |
ES (1) | ES2146564T1 (ja) |
WO (1) | WO1998058456A2 (ja) |
Families Citing this family (124)
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FI96558C (fi) * | 1994-09-27 | 1996-07-10 | Nokia Telecommunications Oy | Menetelmä datasiirtoa varten TDMA-matkaviestinjärjestelmässä sekä menetelmän toteuttava matkaviestinjärjestelmä |
US6075792A (en) | 1997-06-16 | 2000-06-13 | Interdigital Technology Corporation | CDMA communication system which selectively allocates bandwidth upon demand |
US6151332A (en) | 1997-06-20 | 2000-11-21 | Tantivy Communications, Inc. | Protocol conversion and bandwidth reduction technique providing multiple nB+D ISDN basic rate interface links over a wireless code division multiple access communication system |
US6542481B2 (en) * | 1998-06-01 | 2003-04-01 | Tantivy Communications, Inc. | Dynamic bandwidth allocation for multiple access communication using session queues |
US6081536A (en) | 1997-06-20 | 2000-06-27 | Tantivy Communications, Inc. | Dynamic bandwidth allocation to transmit a wireless protocol across a code division multiple access (CDMA) radio link |
US6434125B1 (en) * | 1997-10-24 | 2002-08-13 | Lucent Technologies Inc. | Automatic data service selection method and apparatus for digital wireless communication networks |
US9525923B2 (en) | 1997-12-17 | 2016-12-20 | Intel Corporation | Multi-detection of heartbeat to reduce error probability |
US7394791B2 (en) | 1997-12-17 | 2008-07-01 | Interdigital Technology Corporation | Multi-detection of heartbeat to reduce error probability |
US7496072B2 (en) * | 1997-12-17 | 2009-02-24 | Interdigital Technology Corporation | System and method for controlling signal strength over a reverse link of a CDMA wireless communication system |
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US8175120B2 (en) | 2000-02-07 | 2012-05-08 | Ipr Licensing, Inc. | Minimal maintenance link to support synchronization |
US20040160910A1 (en) * | 1997-12-17 | 2004-08-19 | Tantivy Communications, Inc. | Dynamic bandwidth allocation to transmit a wireless protocol across a code division multiple access (CDMA) radio link |
US6222832B1 (en) | 1998-06-01 | 2001-04-24 | Tantivy Communications, Inc. | Fast Acquisition of traffic channels for a highly variable data rate reverse link of a CDMA wireless communication system |
JP4048510B2 (ja) * | 1998-03-05 | 2008-02-20 | 富士通株式会社 | Cdma移動通信システムにおける無線基地局 |
US7773566B2 (en) | 1998-06-01 | 2010-08-10 | Tantivy Communications, Inc. | System and method for maintaining timing of synchronization messages over a reverse link of a CDMA wireless communication system |
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