JP2009284510A - スペクトル方式セルラー通信の方法および装置 - Google Patents
スペクトル方式セルラー通信の方法および装置 Download PDFInfo
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- JP2009284510A JP2009284510A JP2009166516A JP2009166516A JP2009284510A JP 2009284510 A JP2009284510 A JP 2009284510A JP 2009166516 A JP2009166516 A JP 2009166516A JP 2009166516 A JP2009166516 A JP 2009166516A JP 2009284510 A JP2009284510 A JP 2009284510A
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
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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
- H04B7/2628—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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/04—Error control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/14—Backbone network devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/02—Inter-networking arrangements
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
【解決手段】このシステムは、ワイヤレス音声サービスの既存の配備に適合できるものである。したがって伝送される波形は既存のセルラー(携帯電話)・ネットワークと互換性がある。しかし、時間領域のディジタル符号化・変調・パワー制御方式はデータ伝送に対し最適化される。したがって既存のセルラー・ネットワーク・サイトを利用して、新しい無線周波数を計画することなく、また既存の音声サービス配備に妨害を与えることなく、ワイヤレス・データ・トラフィックに対し最適化された高速サービスを提供できる。
【選択図】図3
Description
Claims (5)
- 加入者ユニットで用いる方法であって、
少なくとも一の割り当てられるチャネルを基地局から受信するステップであって、前記少なくとも一の割り当てられるチャネルは、データ伝送に使用される、受信するステップと、
データ伝送用に最適化されるデータ符号化方式を使用してデータ信号を符号化するステップであって、前記データ符号化方式は、音声信号用に使用される符号化と異なる符号化を使用する、符号化するステップと、
前記変調される帯域幅および前記符号化されるデータ信号のパワー・スペクトルがデータ伝送用に最適化されるように前記符号化されるデータ信号を変調するステップであって、前記変調される帯域幅および前記符号化されるデータ信号のパワー・スペクトルは、変調される音声信号用の前記変調される帯域幅およびパワー・スペクトルと同一である、変調するステップと、
前記チャネル分離がデータ伝送用に最適化されるように一または複数のチャネルを介して前記変調されるデータ信号を伝送するステップであって、前記変調されるデータ信号と他の信号との間のチャネル分離は、変調される音声信号の伝送に使用される前記チャネル分離と同一である、伝送するステップと
を備えることを特徴とする方法。 - 前記少なくとも一の割り当てられるチャネルは、瞬時ベースで割り当てられる場合があることを特徴とする請求項1に記載の方法。
- 前記少なくとも一の割り当てられるチャネルは、前記データ伝送の前記要求に基づいて割り当てられる場合があることを特徴とする請求項1に記載の方法。
- 前記変調するステップは、拡散スペクトル変調を使用して、コード分割多重アクセス(CDMA)信号を生成することを特徴とする請求項1に記載の方法。
- 前記符号化の前記割合は、信号強度に基づくことを特徴とする請求項1に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/467,353 | 1999-12-20 | ||
US09/467,353 US6545990B1 (en) | 1999-12-20 | 1999-12-20 | Method and apparatus for a spectrally compliant cellular communication system |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2001547896A Division JP5112585B2 (ja) | 1999-12-20 | 2000-12-18 | スペクトル方式セルラー通信の方法および装置 |
Related Child Applications (1)
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JP2010188679A Division JP5291057B2 (ja) | 1999-12-20 | 2010-08-25 | スペクトル方式セルラー通信の方法および装置 |
Publications (2)
Publication Number | Publication Date |
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JP2009284510A true JP2009284510A (ja) | 2009-12-03 |
JP5113128B2 JP5113128B2 (ja) | 2013-01-09 |
Family
ID=23855353
Family Applications (8)
Application Number | Title | Priority Date | Filing Date |
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JP2001547896A Expired - Fee Related JP5112585B2 (ja) | 1999-12-20 | 2000-12-18 | スペクトル方式セルラー通信の方法および装置 |
JP2009166516A Expired - Lifetime JP5113128B2 (ja) | 1999-12-20 | 2009-07-15 | スペクトル方式セルラー通信の方法および装置 |
JP2010188679A Expired - Lifetime JP5291057B2 (ja) | 1999-12-20 | 2010-08-25 | スペクトル方式セルラー通信の方法および装置 |
JP2012168653A Expired - Lifetime JP5937453B2 (ja) | 1999-12-20 | 2012-07-30 | スペクトル方式セルラー通信の方法および装置 |
JP2013003447A Expired - Fee Related JP5695095B2 (ja) | 1999-12-20 | 2013-01-11 | スペクトル方式セルラー通信の方法および装置 |
JP2013257316A Expired - Fee Related JP5762517B2 (ja) | 1999-12-20 | 2013-12-12 | スペクトル方式セルラー通信の方法および装置 |
JP2015194103A Pending JP2015233348A (ja) | 1999-12-20 | 2015-09-30 | スペクトル方式セルラー通信の方法および装置 |
JP2017054778A Withdrawn JP2017127026A (ja) | 1999-12-20 | 2017-03-21 | スペクトル方式セルラー通信の方法および装置 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2001547896A Expired - Fee Related JP5112585B2 (ja) | 1999-12-20 | 2000-12-18 | スペクトル方式セルラー通信の方法および装置 |
Family Applications After (6)
Application Number | Title | Priority Date | Filing Date |
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JP2010188679A Expired - Lifetime JP5291057B2 (ja) | 1999-12-20 | 2010-08-25 | スペクトル方式セルラー通信の方法および装置 |
JP2012168653A Expired - Lifetime JP5937453B2 (ja) | 1999-12-20 | 2012-07-30 | スペクトル方式セルラー通信の方法および装置 |
JP2013003447A Expired - Fee Related JP5695095B2 (ja) | 1999-12-20 | 2013-01-11 | スペクトル方式セルラー通信の方法および装置 |
JP2013257316A Expired - Fee Related JP5762517B2 (ja) | 1999-12-20 | 2013-12-12 | スペクトル方式セルラー通信の方法および装置 |
JP2015194103A Pending JP2015233348A (ja) | 1999-12-20 | 2015-09-30 | スペクトル方式セルラー通信の方法および装置 |
JP2017054778A Withdrawn JP2017127026A (ja) | 1999-12-20 | 2017-03-21 | スペクトル方式セルラー通信の方法および装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6545990B1 (ja) |
JP (8) | JP5112585B2 (ja) |
KR (17) | KR100996214B1 (ja) |
AU (1) | AU2275301A (ja) |
WO (1) | WO2001047294A2 (ja) |
Families Citing this family (14)
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US6904079B2 (en) * | 2000-02-08 | 2005-06-07 | Ipr Licensing, Inc. | Access channel structure for wireless communication system |
ES2269916T3 (es) * | 2000-02-18 | 2007-04-01 | Nokia Corporation | Sistema de comunicaciones con canales de datos con media tasa de transferencia. |
US7082174B1 (en) * | 2000-07-24 | 2006-07-25 | Qualcomm, Incorporated | Method and apparatus for processing a modulated signal using an equalizer and a rake receiver |
US6744806B1 (en) * | 2000-09-13 | 2004-06-01 | Ut-Battelle, L.L.C. | Fast-synchronizing high-fidelity spread-spectrum receiver |
US6983151B2 (en) * | 2001-04-23 | 2006-01-03 | Telefonaktiebolaget L M Ericsson (Publ) | Method, apparatus and system for synchronization in radio communication systems |
US6856646B2 (en) * | 2002-03-19 | 2005-02-15 | Nokia Corporation | T-spaced equalization for 1xEV systems |
US7386779B2 (en) * | 2002-05-31 | 2008-06-10 | Lucent Technologies | Systems and methods for correcting errors in a received frame |
US7633895B2 (en) * | 2002-06-24 | 2009-12-15 | Qualcomm Incorporated | Orthogonal code division multiple access on return link of satellite links |
US6904081B2 (en) * | 2002-08-30 | 2005-06-07 | Motorola, Inc. | Spread spectrum receiver apparatus and method |
ATE372609T1 (de) * | 2003-01-10 | 2007-09-15 | Interdigital Tech Corp | Verallgemeinerte zweistufige datenschätzung |
EP1566914A3 (de) * | 2004-02-18 | 2011-05-04 | Siemens Aktiengesellschaft | Verfahren zum Verbessern der Qualität einer Sprachübertragung über eine Luftschnittstelle |
EP2494698A4 (en) * | 2009-10-28 | 2015-03-25 | Lenovo Innovations Ltd Hong Kong | METHOD FOR SUPPRESSING SYNCHRONIZATION CHANNEL INTERFERENCES IN A MOBILE COMMUNICATION SYSTEM |
CN102694617B (zh) | 2011-03-22 | 2015-08-19 | 华为技术有限公司 | 一种数据编码调制的方法、装置和*** |
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2000
- 2000-12-18 AU AU22753/01A patent/AU2275301A/en not_active Abandoned
- 2000-12-18 WO PCT/US2000/034353 patent/WO2001047294A2/en active Application Filing
- 2000-12-18 KR KR1020097013583A patent/KR100996214B1/ko not_active IP Right Cessation
- 2000-12-18 KR KR1020087014551A patent/KR100917454B1/ko active IP Right Grant
- 2000-12-18 JP JP2001547896A patent/JP5112585B2/ja not_active Expired - Fee Related
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