ES2209677T1 - Control de potencia en bucle cerrado/bucle abierto combinado en un sistema de comunicacion duplex con division de tiempo. - Google Patents
Control de potencia en bucle cerrado/bucle abierto combinado en un sistema de comunicacion duplex con division de tiempo.Info
- Publication number
- ES2209677T1 ES2209677T1 ES02026085T ES02026085T ES2209677T1 ES 2209677 T1 ES2209677 T1 ES 2209677T1 ES 02026085 T ES02026085 T ES 02026085T ES 02026085 T ES02026085 T ES 02026085T ES 2209677 T1 ES2209677 T1 ES 2209677T1
- Authority
- ES
- Spain
- Prior art keywords
- user equipment
- communication
- factor
- power
- received
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/246—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters where the output power of a terminal is based on a path parameter calculated in said terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/06—TPC algorithms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/06—TPC algorithms
- H04W52/08—Closed loop power control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/06—TPC algorithms
- H04W52/10—Open loop power control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/06—TPC algorithms
- H04W52/12—Outer and inner loops
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/22—TPC being performed according to specific parameters taking into account previous information or commands
- H04W52/228—TPC being performed according to specific parameters taking into account previous information or commands using past power values or information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/242—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account path loss
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/243—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account interferences
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/20—TPC being performed according to specific parameters using error rate
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/22—TPC being performed according to specific parameters taking into account previous information or commands
- H04W52/225—Calculation of statistics, e.g. average, variance
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/38—TPC being performed in particular situations
- H04W52/50—TPC being performed in particular situations at the moment of starting communication in a multiple access environment
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/54—Signalisation aspects of the TPC commands, e.g. frame structure
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Bidirectional Digital Transmission (AREA)
- Time-Division Multiplex Systems (AREA)
- Transmitters (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Radio Relay Systems (AREA)
- Transceivers (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Selective Calling Equipment (AREA)
- Control Of Metal Rolling (AREA)
- Seal Device For Vehicle (AREA)
- Motorcycle And Bicycle Frame (AREA)
- Communication Cables (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Control Of Eletrric Generators (AREA)
- Steering Control In Accordance With Driving Conditions (AREA)
Abstract
Un equipo de usuario (52) dúplex por división de tiempo, de espectro extendido, utilizando el equipo de usuario (52) cuadros con segmentos de tiempo para comunicación, recibiendo el equipo de usuario (52) órdenes de potencia y recibiendo una primera comunicación que tiene un nivel de potencia de transmisión en un primer segmento de tiempo, midiendo el equipo de usuario (52) un nivel de potencia de la primera comunicación recibida y determinando una estimación de pérdida de trayectoria basada parcialmente en el nivel medido de la primera comunicación recibida y en el nivel de potencia de transmisión de la primera comunicación, caracterizado porque el equipo de usuario (52) comprende: medios (108) para ajustar un nivel de potencia de transmisión para una segunda comunicación en un segundo segmento de tiempo desde el equipo de usuario (52) basándose parcialmente en la estimación de pérdida de trayectoria ponderada por un factor de calidad ajustado por las órdenes de potencia, en donde el factor de calidad disminuye a medida que aumenta el número de segmentos de tiempo entre los segmentos de tiempo primero y segundo.
Claims (9)
1. Un equipo de usuario (52) dúplex por división
de tiempo, de espectro extendido, utilizando el equipo de usuario
(52) cuadros con segmentos de tiempo para comunicación, recibiendo
el equipo de usuario (52) órdenes de potencia y recibiendo una
primera comunicación que tiene un nivel de potencia de transmisión
en un primer segmento de tiempo, midiendo el equipo de usuario
(52) un nivel de potencia de la primera comunicación recibida y
determinando una estimación de pérdida de trayectoria basada
parcialmente en el nivel medido de la primera comunicación recibida
y en el nivel de potencia de transmisión de la primera
comunicación, caracterizado porque el equipo de usuario (52)
comprende:
medios (108) para ajustar un nivel de potencia de
transmisión para una segunda comunicación en un segundo segmento
de tiempo desde el equipo de usuario (52) basándose parcialmente en
la estimación de pérdida de trayectoria ponderada por un factor de
calidad ajustado por las órdenes de potencia, en donde el factor de
calidad disminuye a medida que aumenta el número de segmentos de
tiempo entre los segmentos de tiempo primero y segundo.
2. El equipo de usuario (52) de la reivindicación
1, caracterizado además porque comprende medios para
determinar el factor de calidad, \alpha, de la estimación de
pérdida de trayectoria basándose parcialmente en una pluralidad de
segmentos de tiempo, D, entre los segmentos de tiempo primero y
segundo.
3. El equipo de usuario (52) de la reivindicación
2, caracterizado además porque un retardo máximo de segmento
de tiempo es D_{max} y el factor de calidad determinado, \alpha,
viene determinado por \alpha= 1 -
(D-1)/D_{max}
4. El equipo de usuario (52) de cualquier
reivindicación precedente, caracterizado además porque los
medios de ajuste (108) ajustan el nivel de potencia de transmisión
basándose parcialmente en un nivel deseado de potencia recibida, un
factor de bucle cerrado y un factor de bucle abierto, el factor de
bucle cerrado se basa parcialmente en las órdenes de potencia
recibidas y el factor de bucle abierto se basa parcialmente en la
estimación de pérdida de trayectoria ponderada por el factor de
calidad.
5. El equipo de usuario (52) de la reivindicación
4, caracterizado además porque se actualiza el factor de
bucle cerrado para cada orden de potencia recibida.
6. El equipo de usuario (52) de la reivindicación
4 o la reivindicación 5, caracterizado además porque el
nivel deseado de potencia recibida se basa parcialmente en una
relación de señal diana a interferencia y en un nivel de
interferencia medido.
7. El equipo de usuario (52) de una cualquiera de
las reivindicaciones 1 a 3, caracterizado además porque los
medios de ajuste (108) ajustan el nivel de potencia de transmisión
basándose parcialmente en un nivel deseado de potencia recibida en
la primera estación (50) y un. factor combinado de bucle
cerrado/bucle abierto, y el factor combinado de bucle cerrado/bucle
abierto se basa parcialmente en las órdenes de potencia recibidas y
en la estimación de pérdida de trayectoria ponderada por el factor
de calidad.
8. El equipo de usuario (52) de la reivindicación
7 o la reivindicación 8, caracterizado además porque se
actualiza el factor combinado para cada orden de potencia
recibida.
9. El equipo de usuario (52) de la reivindicación
7, caracterizado porque el nivel deseado de potencia
recibida se basa parcialmente en una relación de señal diana a
interferencia y en un nivel de interferencia medido.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12541799P | 1999-03-22 | 1999-03-22 | |
| US125417P | 1999-03-22 | ||
| US13655799P | 1999-05-28 | 1999-05-28 | |
| US13655699P | 1999-05-28 | 1999-05-28 | |
| US136557P | 1999-05-28 | ||
| US136556P | 1999-05-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2209677T1 true ES2209677T1 (es) | 2004-07-01 |
Family
ID=27383242
Family Applications (9)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES00921419T Expired - Lifetime ES2199161T3 (es) | 1999-03-22 | 2000-03-22 | Control de potencia combinado lazo abierto/lazo cerrado en un sistema de comunicaciones duplex por division de tiempo. |
| ES00916600T Expired - Lifetime ES2211522T3 (es) | 1999-03-22 | 2000-03-22 | Control de potencia de bucle exterior/bucle abierto ponderado en un sistema de comunicaciones duplex por reparto en el tiempo. |
| ES05103710T Expired - Lifetime ES2314566T3 (es) | 1999-03-22 | 2000-03-22 | Control de potencia en bucle externo/bucle abierto ponderado en un sistema de comunicacion duplex por division en el tiempo. |
| ES02026085T Pending ES2209677T1 (es) | 1999-03-22 | 2000-03-22 | Control de potencia en bucle cerrado/bucle abierto combinado en un sistema de comunicacion duplex con division de tiempo. |
| ES10184382.9T Expired - Lifetime ES2634327T3 (es) | 1999-03-22 | 2000-03-22 | Control de potencia en bucle exterior/bucle abierto ponderado en un sistema de comunicación dúplex de división en el tiempo |
| ES05104850T Expired - Lifetime ES2318422T3 (es) | 1999-03-22 | 2000-03-22 | Control de potencia de bucle abierto ponderado en un sistema de comunicacion duplex de division en el tiempo. |
| ES00921420T Expired - Lifetime ES2203455T3 (es) | 1999-03-22 | 2000-03-22 | Control de potencia en bucle abierto ponderado en un sistema de comunicaciones duplex por division de tiempo. |
| ES03019004T Expired - Lifetime ES2247465T3 (es) | 1999-03-22 | 2000-03-22 | Control de potencia en bucle externo/bucle abierto ponderado en un sistema de comunicacion duplex por division en el tiempo. |
| ES03013811T Expired - Lifetime ES2246444T3 (es) | 1999-03-22 | 2000-03-22 | Control de potencia en bucle abierto ponderado en un sistema de comunicaciones duplex por division de tiempo. |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES00921419T Expired - Lifetime ES2199161T3 (es) | 1999-03-22 | 2000-03-22 | Control de potencia combinado lazo abierto/lazo cerrado en un sistema de comunicaciones duplex por division de tiempo. |
| ES00916600T Expired - Lifetime ES2211522T3 (es) | 1999-03-22 | 2000-03-22 | Control de potencia de bucle exterior/bucle abierto ponderado en un sistema de comunicaciones duplex por reparto en el tiempo. |
| ES05103710T Expired - Lifetime ES2314566T3 (es) | 1999-03-22 | 2000-03-22 | Control de potencia en bucle externo/bucle abierto ponderado en un sistema de comunicacion duplex por division en el tiempo. |
Family Applications After (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES10184382.9T Expired - Lifetime ES2634327T3 (es) | 1999-03-22 | 2000-03-22 | Control de potencia en bucle exterior/bucle abierto ponderado en un sistema de comunicación dúplex de división en el tiempo |
| ES05104850T Expired - Lifetime ES2318422T3 (es) | 1999-03-22 | 2000-03-22 | Control de potencia de bucle abierto ponderado en un sistema de comunicacion duplex de division en el tiempo. |
| ES00921420T Expired - Lifetime ES2203455T3 (es) | 1999-03-22 | 2000-03-22 | Control de potencia en bucle abierto ponderado en un sistema de comunicaciones duplex por division de tiempo. |
| ES03019004T Expired - Lifetime ES2247465T3 (es) | 1999-03-22 | 2000-03-22 | Control de potencia en bucle externo/bucle abierto ponderado en un sistema de comunicacion duplex por division en el tiempo. |
| ES03013811T Expired - Lifetime ES2246444T3 (es) | 1999-03-22 | 2000-03-22 | Control de potencia en bucle abierto ponderado en un sistema de comunicaciones duplex por division de tiempo. |
Country Status (19)
| Country | Link |
|---|---|
| EP (11) | EP1349294B1 (es) |
| JP (3) | JP3621887B2 (es) |
| KR (2) | KR100401217B1 (es) |
| CN (12) | CN1956345B (es) |
| AT (10) | ATE555629T1 (es) |
| AU (3) | AU756316B2 (es) |
| BR (2) | BR0009130A (es) |
| CA (5) | CA2491179C (es) |
| DE (11) | DE60002688T2 (es) |
| DK (7) | DK1578029T3 (es) |
| ES (9) | ES2199161T3 (es) |
| HK (11) | HK1041575B (es) |
| ID (2) | ID30329A (es) |
| IL (7) | IL145026A0 (es) |
| MY (2) | MY129851A (es) |
| NO (4) | NO323601B1 (es) |
| SG (9) | SG108845A1 (es) |
| TW (3) | TW498645B (es) |
| WO (3) | WO2000057575A1 (es) |
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| JP3440076B2 (ja) * | 2000-11-29 | 2003-08-25 | 松下電器産業株式会社 | 無線インフラ装置 |
| US6978151B2 (en) * | 2001-05-10 | 2005-12-20 | Koninklijke Philips Electronics N.V. | Updating path loss estimation for power control and link adaptation in IEEE 802.11h WLAN |
| WO2003032502A2 (en) * | 2001-10-09 | 2003-04-17 | Interdigital Technology Corporation | Pathloss aided closed loop power control |
| GB2381417A (en) * | 2001-10-24 | 2003-04-30 | Ipwireless Inc | Transmission power control based on path loss |
| EP1446896B1 (en) * | 2001-12-03 | 2010-07-07 | Telefonaktiebolaget L M Ericsson AB (Publ) | Method for link adaptation and transmit power control |
| US7133689B2 (en) * | 2002-09-12 | 2006-11-07 | Interdigital Technology Corporation | Method and system for adjusting downlink outer loop power to control target SIR |
| US7372898B2 (en) * | 2002-12-11 | 2008-05-13 | Interdigital Technology Corporation | Path loss measurements in wireless communications |
| EP1641146A4 (en) * | 2003-06-16 | 2012-07-18 | Ntt Docomo Inc | CONTROL DEVICE AND RADIO CONTROL METHOD |
| CN1322767C (zh) * | 2003-07-29 | 2007-06-20 | 大唐移动通信设备有限公司 | 移动通信系统的功率控制方法 |
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| US7403780B2 (en) | 2004-02-19 | 2008-07-22 | Rockwell Collins, Inc. | Hybrid open/closed loop filtering for link quality estimation |
| US7835384B2 (en) | 2004-07-01 | 2010-11-16 | Telefonaktiebolaget Lm Ericsson | Power control in a communication network and method |
| US7907910B2 (en) | 2004-08-02 | 2011-03-15 | Intel Corporation | Method and apparatus to vary power level of training signal |
| JP2006050498A (ja) | 2004-08-09 | 2006-02-16 | Nec Corp | 移動体通信端末装置、移動体通信方法及びそのプログラム |
| US8897828B2 (en) | 2004-08-12 | 2014-11-25 | Intellectual Ventures Holding 81 Llc | Power control in a wireless communication system |
| KR100725773B1 (ko) * | 2004-08-20 | 2007-06-08 | 삼성전자주식회사 | 시분할 듀플렉스 방식의 이동통신 시스템에서 단말기의상태에 따라 상향링크 전력제어방식을 적응적으로변경하기 위한 장치 및 방법 |
| MY142994A (en) * | 2005-03-15 | 2011-02-14 | Qualcomm Inc | Multiple other sector information combining for power control in a wireless communication system |
| CN101180804B (zh) * | 2005-04-20 | 2011-06-08 | 三菱电机株式会社 | 通信质量判断方法、移动台、基站以及通信系统 |
| US7668564B2 (en) * | 2005-06-20 | 2010-02-23 | Texas Instruments Incorporated | Slow uplink power control |
| CN100385822C (zh) * | 2005-11-25 | 2008-04-30 | 凯明信息科技股份有限公司 | 时分同步码分多址系统中不连续发射状态功率控制的方法 |
| KR20070059666A (ko) * | 2005-12-07 | 2007-06-12 | 삼성전자주식회사 | 시분할 듀플렉스 통신 시스템의 전력 제어 방법 및 장치 |
| CN1988407B (zh) * | 2005-12-22 | 2010-07-07 | 大唐移动通信设备有限公司 | 基站及其物理随机接入信道的开环功率控制方法 |
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