BR0006751A - Reutilização melhorada de códigos e espectro em um sistema cdma com células de setor múltiplo - Google Patents
Reutilização melhorada de códigos e espectro em um sistema cdma com células de setor múltiploInfo
- Publication number
- BR0006751A BR0006751A BR0006751-2A BR0006751A BR0006751A BR 0006751 A BR0006751 A BR 0006751A BR 0006751 A BR0006751 A BR 0006751A BR 0006751 A BR0006751 A BR 0006751A
- Authority
- BR
- Brazil
- Prior art keywords
- sectors
- codes
- protection
- groups
- terminals
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
- H04W16/12—Fixed resource partitioning
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/16—Code allocation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
<B>SISTEMA DE COMUNICAçãO DE ACESSO MúLTIPLO POR DIVISãO DE CóDIGO E MéTODO PARA APERFEIçOAR O USO DE CóDIGOS PELOS TERMINAIS<D> Sistema e método para comunicação de acesso múltiplo por divisão de código (CDMA). O sistema inclui terminais fixos que se comunicam com uma estação de base central. Os terminais nos setores de proteção de cada setor são configurados para empregar códigos de conjuntos diferentes de códigos para superar interferência mútua potencial entre setores devido a roll-off de padrão de radiação de antena. Os códigos restantes, preferivelmente a maior parte dos códigos disponíveis, são usados em qualquer um de diversos setores básicos, cada um dos quais separa os setores de proteção de um setor respectivo. Para um número par de setores em uma célula, os códigos disponíveis são divididos em três grupos, dois grupos para os setores de proteção e um grupo para os setores básicos. Para um número ímpar de setores em uma célula, os códigos disponíveis são divididos em quatro grupos, três para os setores de proteção e um para os setores básicos. Os setores de proteção são relativamente estreitos, mas largos o suficiente para neutralizar a interferência mútua potencial entre os setores.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/244,645 US6388998B1 (en) | 1999-02-04 | 1999-02-04 | Reuse of codes and spectrum in a CDMA system with multiple-sector cells |
Publications (1)
Publication Number | Publication Date |
---|---|
BR0006751A true BR0006751A (pt) | 2001-08-07 |
Family
ID=22923575
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR0006751-2A BR0006751A (pt) | 1999-02-04 | 2000-01-27 | Reutilização melhorada de códigos e espectro em um sistema cdma com células de setor múltiplo |
Country Status (8)
Country | Link |
---|---|
US (1) | US6388998B1 (pt) |
EP (1) | EP1026911A3 (pt) |
JP (1) | JP2000236574A (pt) |
KR (1) | KR20000062518A (pt) |
CN (1) | CN1263424A (pt) |
AU (1) | AU1487200A (pt) |
BR (1) | BR0006751A (pt) |
CA (1) | CA2296947A1 (pt) |
Families Citing this family (54)
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US9130810B2 (en) | 2000-09-13 | 2015-09-08 | Qualcomm Incorporated | OFDM communications methods and apparatus |
US20020077152A1 (en) * | 2000-12-15 | 2002-06-20 | Johnson Thomas J. | Wireless communication methods and systems using multiple overlapping sectored cells |
US6901256B2 (en) * | 2000-12-29 | 2005-05-31 | Sprint Spectrum L.P. | Cellular/PCS CDMA system with pilot beacons for call handoffs |
US7411899B2 (en) * | 2001-04-06 | 2008-08-12 | Samsung Electronics Co. Ltd. | Apparatus and method for allocating walsh codes to access terminals in an adaptive antenna array CDMA wireless network |
US6996056B2 (en) * | 2001-05-31 | 2006-02-07 | Nortel Networks Limited | Method and apparatus for orthogonal code management in CDMA systems using smart antenna technology |
GB2378857B (en) * | 2001-08-18 | 2005-06-29 | Motorola Inc | Code assignment in cellular communications systems |
FR2844134B1 (fr) | 2002-09-04 | 2006-01-13 | Nortel Networks Ltd | Procede d'allocation de ressources dans un systeme de radiocommunication a division spatiale et equipements pour la mise en oeuvre du procede. |
JP3999683B2 (ja) * | 2003-02-17 | 2007-10-31 | 株式会社エヌ・ティ・ティ・ドコモ | 無線通信方法及び基地局 |
US20040252665A1 (en) * | 2003-06-11 | 2004-12-16 | Clark Andrew C. | Method for increasing wireless communication system capacity |
US7792532B1 (en) * | 2003-06-13 | 2010-09-07 | Sprint Spectrum L.P. | Method and system of reusing walsh code to increase forward channel capacity |
US8004959B2 (en) * | 2004-07-06 | 2011-08-23 | Telefonaktiebolaget Lm Ericsson (Publ) | Different orthogonal code sets with members in common |
US9137822B2 (en) | 2004-07-21 | 2015-09-15 | Qualcomm Incorporated | Efficient signaling over access channel |
US9148256B2 (en) | 2004-07-21 | 2015-09-29 | Qualcomm Incorporated | Performance based rank prediction for MIMO design |
US9246560B2 (en) | 2005-03-10 | 2016-01-26 | Qualcomm Incorporated | Systems and methods for beamforming and rate control in a multi-input multi-output communication systems |
US9154211B2 (en) | 2005-03-11 | 2015-10-06 | Qualcomm Incorporated | Systems and methods for beamforming feedback in multi antenna communication systems |
US8446892B2 (en) | 2005-03-16 | 2013-05-21 | Qualcomm Incorporated | Channel structures for a quasi-orthogonal multiple-access communication system |
US9520972B2 (en) | 2005-03-17 | 2016-12-13 | Qualcomm Incorporated | Pilot signal transmission for an orthogonal frequency division wireless communication system |
US9143305B2 (en) | 2005-03-17 | 2015-09-22 | Qualcomm Incorporated | Pilot signal transmission for an orthogonal frequency division wireless communication system |
US9461859B2 (en) | 2005-03-17 | 2016-10-04 | Qualcomm Incorporated | Pilot signal transmission for an orthogonal frequency division wireless communication system |
US9184870B2 (en) | 2005-04-01 | 2015-11-10 | Qualcomm Incorporated | Systems and methods for control channel signaling |
US9036538B2 (en) | 2005-04-19 | 2015-05-19 | Qualcomm Incorporated | Frequency hopping design for single carrier FDMA systems |
US9408220B2 (en) | 2005-04-19 | 2016-08-02 | Qualcomm Incorporated | Channel quality reporting for adaptive sectorization |
US7768979B2 (en) * | 2005-05-18 | 2010-08-03 | Qualcomm Incorporated | Separating pilot signatures in a frequency hopping OFDM system by selecting pilot symbols at least hop away from an edge of a hop region |
US8611284B2 (en) | 2005-05-31 | 2013-12-17 | Qualcomm Incorporated | Use of supplemental assignments to decrement resources |
US8565194B2 (en) | 2005-10-27 | 2013-10-22 | Qualcomm Incorporated | Puncturing signaling channel for a wireless communication system |
US8879511B2 (en) | 2005-10-27 | 2014-11-04 | Qualcomm Incorporated | Assignment acknowledgement for a wireless communication system |
US8462859B2 (en) | 2005-06-01 | 2013-06-11 | Qualcomm Incorporated | Sphere decoding apparatus |
GB2426893B (en) * | 2005-06-02 | 2008-08-20 | Toshiba Res Europ Ltd | Wireless communications system |
US9179319B2 (en) | 2005-06-16 | 2015-11-03 | Qualcomm Incorporated | Adaptive sectorization in cellular systems |
US8599945B2 (en) | 2005-06-16 | 2013-12-03 | Qualcomm Incorporated | Robust rank prediction for a MIMO system |
US8064424B2 (en) * | 2005-07-22 | 2011-11-22 | Qualcomm Incorporated | SDMA for WCDMA |
US8885628B2 (en) | 2005-08-08 | 2014-11-11 | Qualcomm Incorporated | Code division multiplexing in a single-carrier frequency division multiple access system |
US9209956B2 (en) | 2005-08-22 | 2015-12-08 | Qualcomm Incorporated | Segment sensitive scheduling |
US20070041457A1 (en) | 2005-08-22 | 2007-02-22 | Tamer Kadous | Method and apparatus for providing antenna diversity in a wireless communication system |
US8644292B2 (en) | 2005-08-24 | 2014-02-04 | Qualcomm Incorporated | Varied transmission time intervals for wireless communication system |
US8855704B2 (en) * | 2005-08-26 | 2014-10-07 | Qualcomm Incorporated | Fast cell selection in TD-CDMA (UMTS TDD) |
US9136974B2 (en) | 2005-08-30 | 2015-09-15 | Qualcomm Incorporated | Precoding and SDMA support |
US8693405B2 (en) | 2005-10-27 | 2014-04-08 | Qualcomm Incorporated | SDMA resource management |
US9210651B2 (en) | 2005-10-27 | 2015-12-08 | Qualcomm Incorporated | Method and apparatus for bootstraping information in a communication system |
US8130727B2 (en) * | 2005-10-27 | 2012-03-06 | Qualcomm Incorporated | Quasi-orthogonal allocation of codes in TD-CDMA systems |
US8068464B2 (en) * | 2005-10-27 | 2011-11-29 | Qualcomm Incorporated | Varying scrambling/OVSF codes within a TD-CDMA slot to overcome jamming effect by a dominant interferer |
US9144060B2 (en) | 2005-10-27 | 2015-09-22 | Qualcomm Incorporated | Resource allocation for shared signaling channels |
US8582509B2 (en) | 2005-10-27 | 2013-11-12 | Qualcomm Incorporated | Scalable frequency band operation in wireless communication systems |
US9225488B2 (en) | 2005-10-27 | 2015-12-29 | Qualcomm Incorporated | Shared signaling channel |
US8045512B2 (en) | 2005-10-27 | 2011-10-25 | Qualcomm Incorporated | Scalable frequency band operation in wireless communication systems |
US8477684B2 (en) | 2005-10-27 | 2013-07-02 | Qualcomm Incorporated | Acknowledgement of control messages in a wireless communication system |
US9172453B2 (en) | 2005-10-27 | 2015-10-27 | Qualcomm Incorporated | Method and apparatus for pre-coding frequency division duplexing system |
US9088384B2 (en) | 2005-10-27 | 2015-07-21 | Qualcomm Incorporated | Pilot symbol transmission in wireless communication systems |
US9225416B2 (en) | 2005-10-27 | 2015-12-29 | Qualcomm Incorporated | Varied signaling channels for a reverse link in a wireless communication system |
US8582548B2 (en) | 2005-11-18 | 2013-11-12 | Qualcomm Incorporated | Frequency division multiple access schemes for wireless communication |
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US8514784B2 (en) * | 2008-08-27 | 2013-08-20 | Zte Corporation | Method for processing downlink signal in sector portion and base station thereof |
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Publication number | Priority date | Publication date | Assignee | Title |
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US5513176A (en) * | 1990-12-07 | 1996-04-30 | Qualcomm Incorporated | Dual distributed antenna system |
US5276907A (en) * | 1991-01-07 | 1994-01-04 | Motorola Inc. | Method and apparatus for dynamic distribution of a communication channel load in a cellular radio communication system |
GEP19991849B (en) * | 1991-11-11 | 1999-11-05 | Motorola Inc | Cellular Communication System and Method for Reducing |
SE9702408L (sv) * | 1997-06-24 | 1998-12-25 | Ericsson Telefon Ab L M | Sektorisering av ett cellulärt CDMA-system |
US6028850A (en) * | 1998-07-10 | 2000-02-22 | Hyundai Electronics America, Inc. | Wireless transceiver and frequency plan |
-
1999
- 1999-02-04 US US09/244,645 patent/US6388998B1/en not_active Expired - Lifetime
-
2000
- 2000-01-25 CA CA002296947A patent/CA2296947A1/en not_active Abandoned
- 2000-01-27 BR BR0006751-2A patent/BR0006751A/pt not_active Application Discontinuation
- 2000-01-31 EP EP00300740A patent/EP1026911A3/en not_active Withdrawn
- 2000-02-02 AU AU14872/00A patent/AU1487200A/en not_active Abandoned
- 2000-02-02 KR KR1020000005114A patent/KR20000062518A/ko not_active Application Discontinuation
- 2000-02-03 CN CN00101958A patent/CN1263424A/zh active Pending
- 2000-02-04 JP JP2000026928A patent/JP2000236574A/ja not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
AU1487200A (en) | 2000-08-10 |
US6388998B1 (en) | 2002-05-14 |
KR20000062518A (ko) | 2000-10-25 |
JP2000236574A (ja) | 2000-08-29 |
CN1263424A (zh) | 2000-08-16 |
CA2296947A1 (en) | 2000-08-04 |
EP1026911A2 (en) | 2000-08-09 |
EP1026911A3 (en) | 2000-08-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FA10 | Dismissal: dismissal - article 33 of industrial property law | ||
B11Y | Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette] |