BR9712165A - Processo para alocar canais de frequÙncia em um sistema de comunicação, estação base para transmitir uma pluralidade de sinais modulados sobre uma pluralidade de portadoras dentro de uma banda de frequência, centro de comutação móvel, processador de alocação de canais e processo de alocar frequências de transmissão em um banda contígua de frequências de transmissão. - Google Patents
Processo para alocar canais de frequÙncia em um sistema de comunicação, estação base para transmitir uma pluralidade de sinais modulados sobre uma pluralidade de portadoras dentro de uma banda de frequência, centro de comutação móvel, processador de alocação de canais e processo de alocar frequências de transmissão em um banda contígua de frequências de transmissão.Info
- Publication number
- BR9712165A BR9712165A BR9712165-7A BR9712165A BR9712165A BR 9712165 A BR9712165 A BR 9712165A BR 9712165 A BR9712165 A BR 9712165A BR 9712165 A BR9712165 A BR 9712165A
- Authority
- BR
- Brazil
- Prior art keywords
- transmission frequencies
- band
- frequency
- signals
- allocating
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/02—Channels characterised by the type of signal
- H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/12—Arrangements for reducing cross-talk between channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
"PROCESSO PARA ALOCAR CANAIS DE FREQêNCIA EM UM SISTEMA DE COMUNICAçãO, ESTAçãO BASE PARA TRANSMITIR UMA PLURALIDADE DE SINAIS MODULADOS SOBRE UMA PLURALIDADE DE PORTADORAS DENTRO DE UMA BANDA DE FREQêNCIA, CENTRO DE COMUTAçãO MóVEL, PROCESSADOR DE ALOCAçãO DE CANAIS E PROCESSO DE ALOCAR FREQêNCIAS DE TRANSMISSãO EM UMA BANDA CONTìGUA DE FREQêNCIAS DE TRANSMISSãO". Processo e aparelho para mitigar os efeitos de distorção por intermodulação em sistemas de comunicações de múltiplo acesso por divisão de freq³ência (FDMA). Em uma concretização, um nível de potência de transmissão eficaz é determinado para cada sinal de comunicação a ser transmitido, e sinais são alocados a canais de freq³ência de tal maneira que um suave decréscimo de níveis de potência de transmissão através de canais de freq³ência contíguos é realizado. O dito suave decréscimo através de canis de freq³ência minimiza a possibilidade de que dois sinais de alta potência gerem um produto de distorção por intermodulação suficiente para perturbar a transmissão de um sinal de baixa potência imediatamente adjacente. Em outra concretização típica, os sinais de comunicação são alocados de tal maneira que os sinais de alta potência são posicionados próximos a um centro de uma banda de freq³ência,ao passo que sinais de baixa potência são posicionados próximo às margens da banda de freq³ência. Conseq³entemente, a distorção por intermodulação entre bandas de freq³ência em um sistema de comunicação de múltiplas bandas é também minimizada.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/724,469 US6061568A (en) | 1996-10-01 | 1996-10-01 | Method and apparatus for mitigating intermodulation effects in multiple-signal transmission systems |
PCT/US1997/017528 WO1998015153A1 (en) | 1996-10-01 | 1997-09-30 | Method and apparatus for mitigating intermodulation effects in multiple-signal transmission systems |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9712165A true BR9712165A (pt) | 1999-08-31 |
Family
ID=24910567
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9712165-7A BR9712165A (pt) | 1996-10-01 | 1997-09-30 | Processo para alocar canais de frequÙncia em um sistema de comunicação, estação base para transmitir uma pluralidade de sinais modulados sobre uma pluralidade de portadoras dentro de uma banda de frequência, centro de comutação móvel, processador de alocação de canais e processo de alocar frequências de transmissão em um banda contígua de frequências de transmissão. |
Country Status (10)
Country | Link |
---|---|
US (1) | US6061568A (pt) |
EP (1) | EP0934671B1 (pt) |
JP (1) | JP3987122B2 (pt) |
KR (1) | KR20000048810A (pt) |
AU (1) | AU724436B2 (pt) |
BR (1) | BR9712165A (pt) |
CA (1) | CA2266913C (pt) |
DE (1) | DE69732044T2 (pt) |
TW (1) | TW362318B (pt) |
WO (1) | WO1998015153A1 (pt) |
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CN102868511B (zh) | 2004-10-29 | 2016-08-03 | 夏普株式会社 | 通信方法和无线发射机 |
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JP5462068B2 (ja) * | 2010-05-12 | 2014-04-02 | アダプティックス インコーポレイテッド | マルチキャリヤ通信システム(multi−carriercommunicationsystem)における適応キャリヤ割り当てと電力コントロール方法及び装置 |
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KR101731356B1 (ko) * | 2011-06-23 | 2017-04-28 | 엘지전자 주식회사 | 다중 안테나 무선 통신 시스템에서 듀얼 모드 이동 단말기 및 이를 위한 제어 방법 |
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-
1996
- 1996-10-01 US US08/724,469 patent/US6061568A/en not_active Expired - Lifetime
-
1997
- 1997-09-30 BR BR9712165-7A patent/BR9712165A/pt unknown
- 1997-09-30 JP JP51676798A patent/JP3987122B2/ja not_active Expired - Fee Related
- 1997-09-30 KR KR1019990702804A patent/KR20000048810A/ko not_active Application Discontinuation
- 1997-09-30 AU AU46030/97A patent/AU724436B2/en not_active Ceased
- 1997-09-30 WO PCT/US1997/017528 patent/WO1998015153A1/en not_active Application Discontinuation
- 1997-09-30 DE DE69732044T patent/DE69732044T2/de not_active Expired - Lifetime
- 1997-09-30 CA CA002266913A patent/CA2266913C/en not_active Expired - Lifetime
- 1997-09-30 EP EP97944565A patent/EP0934671B1/en not_active Expired - Lifetime
- 1997-09-30 TW TW086114183A patent/TW362318B/zh active
Also Published As
Publication number | Publication date |
---|---|
DE69732044T2 (de) | 2005-12-15 |
EP0934671B1 (en) | 2004-12-22 |
EP0934671A1 (en) | 1999-08-11 |
AU724436B2 (en) | 2000-09-21 |
DE69732044D1 (de) | 2005-01-27 |
CA2266913A1 (en) | 1998-04-09 |
US6061568A (en) | 2000-05-09 |
AU4603097A (en) | 1998-04-24 |
TW362318B (en) | 1999-06-21 |
JP2001501793A (ja) | 2001-02-06 |
JP3987122B2 (ja) | 2007-10-03 |
KR20000048810A (ko) | 2000-07-25 |
WO1998015153A1 (en) | 1998-04-09 |
CA2266913C (en) | 2007-08-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] | ||
B15K | Others concerning applications: alteration of classification |
Ipc: H04L 5/06 (2006.01), H04J 1/12 (2006.0 |