公开(公告)号：AU2004202495A1

公开(公告)日：2004-07-01

申请号：AU2004202495

申请日：2004-06-08

Applicant: QUALCOMM INC

Inventor： RAZOUMOV LEONID ,  LUNDBY STEIN A

IPC: H04B7/005 ,  H04B7/26 ,  H04J3/00 ,  H04W52/24 ,  H04W52/54 ,  H04W52/58 ,  H04W52/60

Abstract: A method and apparatus for controlling transmit power levels of a plurality of different data streams (120, 120a, 122, 122a, 124, 124a) transmitted from at least one base station to a mobile station in a mobile radio communication system. The first and second data streams are trasmitted from the base station and received at the mobile station. A stream of power control commands is formed at the mobile station in accordance with either the first or second received data stream. A power control signal is formed at the mobile station from the first stream of power control commands and transmitted to the base station. A received stream of power control commands is formed from the received power control signal at the base station, and the transmit power levels of the first and second data streams from the base station are controlled in accordance with the received stream of power control commands.

公开(公告)号：AU774326B2

公开(公告)日：2004-06-24

申请号：AU4334300

申请日：2000-04-06

Applicant: QUALCOMM INC

Inventor： LUNDBY STEIN A ,  RAZOUMOV LEONID

IPC: H04B7/005 ,  H04B7/26 ,  H04J3/00 ,  H04W52/24 ,  H04W52/54 ,  H04W52/58 ,  H04W52/60

Abstract: A method and apparatus for controlling transmit power levels of a plurality of different data streams (120, 120a, 122, 122a, 124, 124a) transmitted from at least one base station to a mobile station in a mobile radio communication system. The first and second data streams are trasmitted from the base station and received at the mobile station. A stream of power control commands is formed at the mobile station in accordance with either the first or second received data stream. A power control signal is formed at the mobile station from the first stream of power control commands and transmitted to the base station. A received stream of power control commands is formed from the received power control signal at the base station, and the transmit power levels of the first and second data streams from the base station are controlled in accordance with the received stream of power control commands.

公开(公告)号：BR0114862A

公开(公告)日：2004-06-01

申请号：BR0114862

申请日：2001-10-24

Applicant: QUALCOMM INC

Inventor： LUNDBY STEIN A ,  RAZOUMOV LEONID ,  BAO GANG ,  WEI YONGBIN

IPC: H04B7/26 ,  H04B7/005 ,  H04L12/56 ,  H04W28/22 ,  H04W52/16 ,  H04W52/26 ,  H04W52/28 ,  H04W52/32 ,  H04W52/34 ,  H04Q7/00

Abstract: In a wireless communication system (50) a method for combination transmission of packet data and low delay data. In one embodiment a parallel signaling channel provides a message to receivers (56, 58, 60) indicating a target recipient of packet data. The message also identifies the transmission channel used for packet data transmissions. Each receiver may then selectively decode only packets where the message identifies the receiver as a target recipient. The data packets stored in a buffer are ignored if the target recipient is another mobile unit. In one embodiment, the message is sent concurrently with the data packet on a parallel channel. In one embodiment, the message is punctured into the high rate packet data transmission.

公开(公告)号：BR0115906A

公开(公告)日：2004-04-06

申请号：BR0115906

申请日：2001-11-29

Applicant: QUALCOMM INC

Inventor： RAZOUMOV LEONID ,  LUNDBY STEIN A ,  HOLTZMAN JACK M ,  TIEDEMANN EDWARD G ,  ODENWALDER JOSEPH P

IPC: H04B1/7103 ,  H04B7/005 ,  H04L1/00 ,  H04L1/20 ,  H04W52/36

Abstract: A method for coherent estimation of the traffic-to-pilot energy ratio is presented. A received preamble is decoded (20), and then re-encoded (22). The received preamble is then multiplied by the re-encoded preamble (23). The results are summmed (24), squared (26), and then divided by a pilot energy value (28). In another method, a message (41) carrying energy information can be inserted between a subpacket preamble (40) and a subpacket (42).

公开(公告)号：NO20033606L

公开(公告)日：2003-10-13

申请号：NO20033606

申请日：2003-08-14

Applicant: QUALCOMM INC

Inventor： LUNDBY STEIN A ,  RAZOUMOV LEONID

IPC: H04B7/005 ,  H04B7/26 ,  H04W52/08 ,  H04W52/22 ,  H04W52/24 ,  H04W52/60

Abstract: Method and apparatus for providing link quality feedback to a transmitter (32,34). In one embodiment, a periodic link quality message is transmitted on a gated channel, while continuous differential indicators are transmitted. Between quality messages, the differential indicators track the quality of the link. In one embodiment, a remote station includes a differential analyzer (212) to determine the change in successive channel quality measurements. The quality metric and the differential indicator are used for providing power control commands and rate control commands to teh base station. The quality metric and the differential indicator are transmitted at two different frequencies.

公开(公告)号：NO20033606D0

公开(公告)日：2003-08-14

申请号：NO20033606

申请日：2003-08-14

Applicant: QUALCOMM INC

Inventor： LUNDBY STEIN A ,  RAZOUMOV LEONID

IPC: H04B7/005 ,  H04B7/26 ,  H04W52/08 ,  H04W52/22 ,  H04W52/24 ,  H04W52/60 ,  H04B

Abstract: Method and apparatus for providing link quality feedback to a transmitter (32,34). In one embodiment, a periodic link quality message is transmitted on a gated channel, while continuous differential indicators are transmitted. Between quality messages, the differential indicators track the quality of the link. In one embodiment, a remote station includes a differential analyzer (212) to determine the change in successive channel quality measurements. The quality metric and the differential indicator are used for providing power control commands and rate control commands to teh base station. The quality metric and the differential indicator are transmitted at two different frequencies.

公开(公告)号：NO20070587L

公开(公告)日：2002-08-16

申请号：NO20070587

申请日：2007-01-31

Applicant: QUALCOMM INC

Inventor： RAZOUMOV LEONID ,  LUNDBY STEIN A

IPC: H04B7/005 ,  H04B7/26 ,  H04W52/08 ,  H04W52/22 ,  H04W52/24 ,  H04W52/60

Abstract: Method and apparatus for providing link quality feedback to a transmitter (32,34). In one embodiment, a periodic link quality message is transmitted on a gated channel, while continuous differential indicators are transmitted. Between quality messages, the differential indicators track the quality of the link. In one embodiment, a remote station includes a differential analyzer (212) to determine the change in successive channel quality measurements. The quality metric and the differential indicator are used for providing power control commands and rate control commands to teh base station. The quality metric and the differential indicator are transmitted at two different frequencies.

公开(公告)号：HK1040845A1

公开(公告)日：2002-06-21

申请号：HK02102354

申请日：2002-03-27

Applicant: QUALCOMM INC

Inventor： CHEN TAO ,  HOLTZMAN JACK M ,  RAZOUMOV LEONID ,  PATEL SHIMMAN ,  SAINTS KEITH ,  TIEDEMANN EDWARD G JR

IPC: H04B1/04 ,  H04B7/005 ,  H04B7/26 ,  H04L1/06 ,  H04B

公开(公告)号：AU3973502A

公开(公告)日：2002-06-18

申请号：AU3973502

申请日：2001-10-24

Applicant: QUALCOMM INC

Inventor： LUNDBY STEIN A ,  RAZOUMOV LEONID ,  BAO GANG ,  WEI YONGBIN

IPC: H04B7/26 ,  H04B7/005 ,  H04L12/56 ,  H04W28/22 ,  H04W52/16 ,  H04W52/26 ,  H04W52/28 ,  H04W52/32 ,  H04W52/34 ,  H04Q7/00

Abstract: In a wireless communication system (50) a method for combination transmission of packet data and low delay data. In one embodiment a parallel signaling channel provides a message to receivers (56, 58, 60) indicating a target recipient of packet data. The message also identifies the transmission channel used for packet data transmissions. Each receiver may then selectively decode only packets where the message identifies the receiver as a target recipient. The data packets stored in a buffer are ignored if the target recipient is another mobile unit. In one embodiment, the message is sent concurrently with the data packet on a parallel channel. In one embodiment, the message is punctured into the high rate packet data transmission.

公开(公告)号：CA2376194A1

公开(公告)日：2001-01-04

申请号：CA2376194

申请日：2000-06-28

Applicant: QUALCOMM INC

Inventor： LUNDBY STEIN A ,  RAZOUMOV LEONID

IPC: H04B7/005 ,  H04B7/06 ,  H04B7/26

Abstract: The present invention is a novel and improved method and apparatus for contr ol transmission energy. The present invention describes a closed loop power control system that operates in conjunction with a transmitter (64, 66) usin g orthogonal transmit diversity. In a first embodiment of the present inventio n, the receiver evaluates the signal to noise ratio (SNR) of the two components of the signal. A weighted sum of these two components emphasizing the weaker of the two signals is generated and used in the generation of the power control commands. In a second embodiment of the present invention, the SNR o f the two component signals are calculated and two separate power control commands are generated based on a corresponding one of the calculated SNR values.