CN1203009A - 无线电电信网络中用于可变编码、调制及时隙分配的系统和方法 - Google Patents
无线电电信网络中用于可变编码、调制及时隙分配的系统和方法 Download PDFInfo
- Publication number
- CN1203009A CN1203009A CN96198474A CN96198474A CN1203009A CN 1203009 A CN1203009 A CN 1203009A CN 96198474 A CN96198474 A CN 96198474A CN 96198474 A CN96198474 A CN 96198474A CN 1203009 A CN1203009 A CN 1203009A
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- Prior art keywords
- speech quality
- radio channel
- bit rate
- cellular
- dynamically
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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
- H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
- H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0014—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the source coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0025—Transmission of mode-switching indication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/18—Negotiating wireless communication parameters
- H04W28/22—Negotiating communication rate
-
- 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
- H04W72/0446—Resources in time domain, e.g. slots or frames
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
上行 | 下行 | ||
BER(%) | C/I(dB) | BER(%) | C/I(dB) |
10 | 7 | 10 | 10 |
5 | 9 | 5 | 13 |
3 | 11 | 3 | 17 |
类型 | 时隙a | 调制 | 话音编码器算法,速率(kbps) | 总数据率b(kbps) | |
1 | 5 | 8PSK | ADPCM | 32 | 56.75 |
2 | 5 | π/4QPSK | LDCELP | 16 | 37.8 |
3 | 2 | 8PSK | LDCELP | 16 | 19.5 |
4c | 2 | π/4QPSK | VSELP | 7.95 | 13 |
5 | 2 | π/4 QPSK | EVCELPd | 4.0 | 13 |
Claims (27)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/537,457 US5701294A (en) | 1995-10-02 | 1995-10-02 | System and method for flexible coding, modulation, and time slot allocation in a radio telecommunications network |
US08/537,457 | 1995-10-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1203009A true CN1203009A (zh) | 1998-12-23 |
CN1127879C CN1127879C (zh) | 2003-11-12 |
Family
ID=24142719
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN96198474A Expired - Fee Related CN1127879C (zh) | 1995-10-02 | 1996-09-23 | 无线电电信网络中用于可变编码、调制及时隙分配的系统和方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5701294A (zh) |
EP (1) | EP0853863A1 (zh) |
CN (1) | CN1127879C (zh) |
AU (1) | AU7150696A (zh) |
WO (1) | WO1997013388A1 (zh) |
Cited By (10)
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WO2005039083A1 (fr) * | 2003-10-22 | 2005-04-28 | Zte Corporation | Procede destine a ajuster le mode d'un codage vocal multidebit adaptatif |
CN1328870C (zh) * | 2001-02-16 | 2007-07-25 | 皇家菲利浦电子有限公司 | 带有调制方法适配的网络 |
CN100395968C (zh) * | 2002-04-03 | 2008-06-18 | 华为技术有限公司 | 基于时分双工模式的高速数据业务的传输方法 |
CN100433612C (zh) * | 2005-07-13 | 2008-11-12 | 华为技术有限公司 | 在网络侧监测下行无线链路质量的方法 |
CN100456665C (zh) * | 2002-08-09 | 2009-01-28 | 高通股份有限公司 | 在无线通信系统中用于改善质量反馈可靠性的系统和方法 |
CN1926861B (zh) * | 2003-11-12 | 2010-04-21 | 索尼电子有限公司 | 用于提供动态比特率编码的设备和方法 |
CN101039493B (zh) * | 2006-03-17 | 2011-04-20 | 株式会社Ntt都科摩 | 无线通信系统、基站、测定装置和无线参数控制方法 |
CN1666446B (zh) * | 2002-02-19 | 2011-05-18 | 高通股份有限公司 | 用于信道质量反馈的系统和方法 |
CN101179322B (zh) * | 2007-11-30 | 2012-06-27 | 中国移动通信集团广东有限公司 | 上下行时隙分配代价、交叉时隙代价的量化方法及设备 |
TWI427941B (zh) * | 2001-05-14 | 2014-02-21 | Intel Corp | 適應性調變及編碼技術之動態頻道品質測量程序 |
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Also Published As
Publication number | Publication date |
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CN1127879C (zh) | 2003-11-12 |
AU7150696A (en) | 1997-04-28 |
WO1997013388A1 (en) | 1997-04-10 |
EP0853863A1 (en) | 1998-07-22 |
US5701294A (en) | 1997-12-23 |
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