公开(公告)号：WO02080400A3

公开(公告)日：2002-12-27

申请号：PCT/US0209629

申请日：2002-03-29

Applicant: QUALCOMM INC

Inventor： CHEN TAO ,  CHAPONNIERE ETIENNE F

IPC: H04J13/00 ,  H04B1/04 ,  H04B7/005 ,  H04B7/26 ,  H04W52/12 ,  H04W52/16 ,  H04W52/24 ,  H04W52/26

CPC classification number: H04W52/241 ,  H04W52/12 ,  H04W52/16 ,  H04W52/26

Abstract: In a communication system (100), a method and apparatus provide for efficient power control between base station (101) and mobile stations (102-104). A controller is configured for determining duty cycle of a communication channel, and for controlling power level of the communication channel based on the determined duty cycle. The controller may compare the determined duty cycle against a duty cycle threshold. An adjustment for controlling power level may be based on the comparison.

Abstract translation: 在通信系统（100）中，方法和装置提供基站（101）和移动台（102-104）之间的有效功率控制。 控制器被配置为确定通信信道的占空比，并且用于基于所确定的占空比来控制通信信道的功率电平。 控制器可以将确定的占空比与占空比阈值进行比较。 用于控制功率水平的调整可以基于比较。

公开(公告)号：WO0205575A3

公开(公告)日：2002-08-22

申请号：PCT/US0121477

申请日：2001-07-06

Applicant: QUALCOMM INC

Inventor： CHEN TAO ,  LEUNG NIKOLAI K N ,  HSU RAYMOND TAH-SHENG

IPC: H04L12/28 ,  H04L1/18 ,  H04L12/56 ,  H04W28/04 ,  H04W56/00 ,  H04Q7/22

CPC classification number: H04W28/06 ,  H04L1/18

Abstract: A method and apparatus for reducing transmission delay in a wireless communication system that carries packetized voice and data information. Interruptions in the traffic channels cause loss of synchronization between a header compressor and a header decompressor. Rather than transmitting resyinchronization information on the traffic channel, the information dropped by an interruption is re-transmitted on a non-traffic channel in parallel with the traffic channel. At the remote station, information from the traffic channel and the non-traffic channel is reassembled before input into the decompressor. Alternatively, the non-traffic channel can be used to carry overflow information so that a higher average data rate can be achieved than the average data rate of the traffic channel alone.

Abstract translation: 一种用于减少携带分组语音和数据信息的无线通信系统中的传输延迟的方法和设备。 业务信道中断造成头部压缩器和头部解压缩器之间失去同步。 不是在业务信道上发送重新同步信息，而是通过与业务信道并行的非业务信道重新发送由于中断而丢弃的信息。 在远程站，来自业务信道和非业务信道的信息在输入到解压缩器之前被重新组装。 或者，可以使用非业务信道来携带溢出信息，从而可以实现比业务信道单独的平均数据速率更高的平均数据速率。

公开(公告)号：WO0045527A3

公开(公告)日：2000-12-14

申请号：PCT/US0002278

申请日：2000-01-28

Applicant: QUALCOMM INC

Inventor： HOLTZMAN JACK M ,  CHEN TAO ,  RAZOUMOV LEONID

IPC: H04B7/005 ,  H04B7/26

CPC classification number: H04W52/267 ,  H04W52/60

Abstract: The present invention is a novel and improved method and apparatus for controlling the transmission power in a closed loop power control system. In the present invention, the power control commands that are punctured into the forward link traffic signal are used to determine the sufficiency of the forward link traffic signal. The power control commands are used because their energy does not vary with the data rate of the traffic channel. The drawback of using the power control commands alone to determine the sufficiency of the traffic channel transmission energy is that there are not a lot of power control commands and thus they are susceptible to the influence of noise on the traffic channel. This situation is further complicated because the power control commands cannot simply be averaged together because they may have been transmitted at different energy due to the response to power control commands from the mobile station. This situation is even further complicated because power control commands transmitted from the mobile station may be received incorrectly by the base station. The present invention provides methods of averaging the power control bit energies to provide an effective and robust means of estimation signal quality of a received CDMA signal.

Abstract translation: 本发明是一种用于在闭环功率控制系统中控制发射功率的新颖和改进的方法和设备。 在本发明中，被打孔成正向链路业务信号的功率控制命令被用于确定正向链路业务信号的充足性。 使用功率控制命令是因为它们的能量不随业务信道的数据速率变化。 仅使用功率控制命令来确定业务信道传输能量的充分性的缺点在于没有很多功率控制命令，因此它们易受噪声对业务信道的影响。 这种情况更加复杂，因为功率控制命令不能简单地在一起平均，因为它们可能由于对来自移动台的功率控制命令的响应而以不同的能量发送。 这种情况更加复杂，因为从移动台发送的功率控制命令可能被基站错误地接收。 本发明提供对功率控制比特能量进行平均的方法，以提供所接收的CDMA信号的估计信号质量的有效且鲁棒的手段。

公开(公告)号：WO9845966A3

公开(公告)日：1999-01-07

申请号：PCT/US9807302

申请日：1998-04-07

Applicant: QUALCOMM INC

Inventor： TIEDEMANN EDWARD G JR ,  CHEN TAO ,  JOU YU-CHEUN ,  LIN YU-CHUAN

IPC: H04L12/56 ,  H04W28/22 ,  H04W36/02 ,  H04W36/08 ,  H04W36/12 ,  H04W36/18 ,  H04W36/38 ,  H04W72/04 ,  H04W72/12 ,  H04B7/24

CPC classification number: H04W72/1278 ,  H04L47/10 ,  H04L47/14 ,  H04L47/2433 ,  H04L47/30 ,  H04W28/22 ,  H04W36/02 ,  H04W36/18 ,  H04W52/12 ,  H04W52/367 ,  H04W72/1247 ,  H04W72/1252 ,  H04W72/1268

Abstract: A method of and apparatus for scheduling data transmissions in a communication network comprising at least one cell (2a to 2g) and at least one scheduled user (6a to 6e) improves utilization of the reverse link and decreases the transmission delay in data communication. The apparatus comprises a controller (92) for collecting status information for said communication network and for scheduling data transmissions from said at least one cell (2a to 2g) to said at least one scheduled user (6a to 6e). A memory (94) is connected to said controller for storing said status information, and a timer (96) is connected to provide timing signals to said controller (92). The timing signals enable said controller to perform scheduling of data transmission. Each remote station is assigned a maximum unscheduled transmission rate for the duration of the communication with a cell. A maximum scheduled transmission rate can be assigned by a channel scheduler (12) for scheduled transmission of data traffic at high rates. The maximum scheduled transmission rate is assigned in accordance with a set of system goals, a list of system constraints, and collected information on the status of the communication network. Data is partitioned in data frames and transmitted over the reverse link at or below the maximum scheduled transmission rate which have been assigned to the scheduled user.

公开(公告)号：WO9811677A3

公开(公告)日：1998-05-28

申请号：PCT/US9716158

申请日：1997-09-12

Applicant: QUALCOMM INC

Inventor： CHEN TAO

IPC: H04B7/26 ,  H04B7/005 ,  H04W52/08 ,  H04W52/40

CPC classification number: H04W52/08 ,  H04W52/40

Abstract: A method and apparatus for providing power control can be used in a mobile communication system having at least one mobile station (12) communicating over forward and reverse channels with at least one base station (16), and a base station controller (14) coupled to the base station (16). The mobile station (12) sends frame quality or error messages indicating a quality of the forward channel received from the base station (16). The base station (16) receives these messages and routes to the base station controller (14). In response to these messages, the base station determines a transmission power level of the signals transmitted therefrom to the mobile station (12). The base station controller (14), also in response to these messages, determines a correct transmission power level of the signals transmitted from the base station to the mobile station (12), and sends commands indicative of the power level to the base station (16). The base station (16) in turn then adjusts the power of its forward channel transmission signals to the mobile station (12) in response to these commands from the base station controller (14).

公开(公告)号：CA2535041C

公开(公告)日：2016-11-08

申请号：CA2535041

申请日：2004-08-04

Applicant: QUALCOMM INC

Inventor： TIEDEMANN EDWARD G JR ,  GAAL PETER ,  MALLADI DURGA P ,  PUIG OSES DAVID ,  SARKAR SANDIP ,  WEI YONGBIN ,  LUNDBY STEIN A ,  CHEN TAO ,  JAIN AVINASH ,  DAMNJANOVIC ALEKSANDAR ,  WILLENEGGER SERGE D

IPC: H04W28/22 ,  H04B7/26 ,  H04L1/00 ,  H04L1/16 ,  H04L1/18 ,  H04W72/14

Abstract: Embodiments disclosed herein address the need in the art for reduced overhead control with the ability to adjust transmission rates as necessary. In one aspect, a first signal indicates an acknowledgement of a decoded subpacket and whether or not a rate control command is generated, and a second signal conditionally indicates the rate control command when one is generated. In another aspect, a grant may be generated concurrently with the acknowledgement. In yet another aspect, a mobile station monitors the first signal, conditionally monitors the second signal as indicated by the first signal, and may monitor a third signal comprising a grant. In yet another aspect, one or more base stations transmit one or more of the various signals. Various other aspects are also presented. These aspects have the benefit of providing the flexibility of grant-based control while utilizing lower overhead when rate control commands are used, thus increasing system utilization, increasing capacity and throughput.

公开(公告)号：CA2514895C

公开(公告)日：2015-11-03

申请号：CA2514895

申请日：2004-02-02

Applicant: QUALCOMM INC

Inventor： SINNARAJAH RAGULAN ,  WANG JUN ,  CHEN TAO

IPC: H04W36/34 ,  H04W76/04 ,  H04H60/91 ,  H04W4/06 ,  H04W4/16 ,  H04W68/00 ,  H04W88/06

Abstract: A method for managing a point-to-point call initiated (702) between a wireless mobile station (114, 400) and a remote party while the mobile is receiving broadcast content via one or more multi-user forward-link broadcast channels (508). The mobile station notifies (704) the network (110) of preferences as to prescribed categories of operating conditions, such as whether to continue receiving the broadcast content, and election between the point-to-point call and the broadcast content should network resources be unable to conduct the point-to-point call and broadcast content concurrently. In accordance with the preferences, communications are conducted (706) in one of the following operating modes: (1) conducting the point-to-point call and discontinuing reception of the broadcast, (2) conducting the point-to-point call and continuing reception of the broadcast, (3) aborting completion of the point-to-point call and continuing reception of the broadcast.

公开(公告)号：CA2534827C

公开(公告)日：2015-06-16

申请号：CA2534827

申请日：2004-08-04

Applicant: QUALCOMM INC

Inventor： WEI YONGBIN ,  TIEDEMANN EDWARD G JR ,  GAAL PETER ,  MALLADI DURGA P ,  OSES DAVID PUIG ,  SARKAR SANDIP ,  LUNDBY STEIN A ,  CHEN TAO ,  JAIN AVINASH ,  DAMNJANOVIC ALEKSANDAR ,  WILLENEGGER SERGE D

IPC: H04B14/00 ,  H04B1/02 ,  H04B1/06 ,  H04B7/26 ,  H04L1/00 ,  H04L1/16 ,  H04L1/18 ,  H04L12/56 ,  H04W28/04 ,  H04W28/22 ,  H04W68/00 ,  H04W72/04 ,  H04W72/14

Abstract: Embodiments disclosed herein address the need in the art for an extended acknowledgment/rate control channel. In one aspect, an acknowledgment command and a rate control command are combined to form a combined command. In another aspect, the combined command is generated in accordance with a constellation of points, each point corresponding to a pair consisting of a rate control command and an acknowledgment command. In yet another aspect, the points of the constellation are designed to provide the desired probability of error for the respective command pairs. In yet another aspect, a common rate control command is transmitted along with a combined or dedicated rate control command. Various other aspects are also presented. These aspects have the benefit of reduced overhead while providing acknowledgment and rate control to single remote stations and/or groups of remote stations.

公开(公告)号：FI124189B

公开(公告)日：2014-04-30

申请号：FI20060721

申请日：2006-08-10

Applicant: QUALCOMM INC

Inventor： CHEN TAO ,  TIEDEMANN JR EDWARD G ,  ODENWALDER JOSEPH P ,  WILLENEGGER SERGE

IPC: H04L1/18 ,  H04B7/005 ,  H04L1/00 ,  H04L1/08

公开(公告)号：ES2403934T3

公开(公告)日：2013-05-22

申请号：ES04737273

申请日：2004-02-18

Applicant: QUALCOMM INC

Inventor： WEI YONGBIN ,  CHEN TAO

IPC: H04W52/12 ,  H04B7/00 ,  H04B7/005 ,  H04L20060101 ,  H04W52/16

Abstract: Un procedimiento para controlar el nivel de potencia de múltiples canales de comunicación de enlace inversoentre una sola estación móvil y una estación base en un sistema de comunicación inalámbrico, comprendiendo elprocedimiento: ajustar los niveles de potencia de un primer conjunto de canales de los múltiples canales de comunicación deenlace inverso y un canal piloto correspondiente al mismo tiempo para mantener la proporción de tráfico apiloto entre ellos; y ajustar las proporciones de potencia de tráfico a piloto, T/P, para uno o más canales restantes de los múltiplescanales de comunicación de enlace inverso independientemente del nivel de potencia del canal piloto, en elque ajustar las proporciones T/P para cada uno del uno o más canales restantes comprende determinar si losdatos recibidos en el canal contienen errores y, si los datos recibidos en el canal contienen errores, incrementarla proporción T/P para el canal y, si los datos recibidos en el canal no contienen errores, disminuir la proporciónT/P para el canal.