公开(公告)号：SG52735A1

公开(公告)日：1998-09-28

申请号：SG1996008524

申请日：1991-06-21

Applicant: QUALCOMM INC

Inventor： VITERBI ANDREW J ,  WHEATLEY CHARLES E ,  JACOBS IRWIN M ,  GILHOUSEN KLEIN S ,  WEAVER LINDSAY A JR ,  PADOVANI ROBERTO

IPC: H04B1/707 ,  H04B1/7075 ,  H04B1/709 ,  H04B1/7115 ,  H04B7/005 ,  H04B7/26 ,  H04J3/02 ,  H04J3/16 ,  H04J3/22 ,  H04J11/00 ,  H04J13/00 ,  H04J13/10 ,  H04J13/18 ,  H04L20060101 ,  H04L1/00 ,  H04L1/06 ,  H04L1/08 ,  H04L5/02 ,  H04L5/12 ,  H04L23/02 ,  H04L27/30 ,  H04W52/26

Abstract: A cell site, comprising: means for modulating configured to format digital data for transmission on a communications channel and to insert at least one timing command into the digital data, the digital data comprising a plurality of bits; means for transmitting coupled to the means for modulating and configured to receive the digital data from the means for modulating, convert the digital data to analog data, and transmit the analog data on the communications channel; and means for receiving configured to receive a signal from at least one remote unit and to determine a timing error of the received signal to be used to generate the timing command in accordance with the timing error, the means for receiving being coupled to the means for modulating and configured to provide the timing command to the means for modulating.

公开(公告)号：FI935105A0

公开(公告)日：1993-11-17

申请号：FI935105

申请日：1993-11-17

Applicant: QUALCOMM INC

Inventor： GILHOUSEN KLEIN S ,  PADOVANI ROBERTO ,  WHEATLEY CHARLES E ,  WEAVER JR LINDSAY A ,  BLAKENEY ROBERT D

IPC: H04J13/00 ,  H04B7/005 ,  H04B7/26 ,  H04L27/30 ,  H04W52/00 ,  H04W52/02 ,  H04W52/06 ,  H04W52/08 ,  H04W52/10 ,  H04W52/12 ,  H04W52/34 ,  H04W52/36 ,  H04W52/40 ,  H04W52/52 ,  H04B ,  H04Q

Abstract: A cellular communication system in which a system user and another user communicate with each other by way of information carrying spread spectrum modulated signals transmitted via a cell-site in which system: the system user comprises a transmitter for transmitting information carrying spread spectrum modulated signals to said cell-site, a receiver for receiving information carrying spread spectrum modulated signals from said cell-site and means for measuring signal quality in said information carrying spread spectrum modulated signals received by the system user; the cell-site comprises a transmitter for transmitting information carrying spread spectrum modulated signals to said system user, a receiver for receiving information carrying spread spectrum modulated signals from said system user and adjusting means for adjusting the power of information carrying spread spectrum modulated signals transmitted from the cell-site ; ; and power control means is provided for controlling the transmission power of the information carrying spread spectrum modulated signals by measuring the signal power in the information carrying spread spectrum modulated signals received by the system user and transmitting data representing the measured power to the cell-site by way of the information carrying spread spectrum modulated signals, the adjusting means being responsive to the data in the information carrying spread spectrum modulated signals from the system user to adjust the power in the information carrying spread spectrum modulated signals transmitted by the cell-site.

公开(公告)号：FI935105A

公开(公告)日：1993-11-17

申请号：FI935105

申请日：1993-11-17

Applicant: QUALCOMM INC

Inventor： GILHOUSEN KLEIN S ,  PADOVANI ROBERTO ,  WHEATLEY CHARLES E ,  WEAVER JR LINDSAY A ,  BLAKENEY ROBERT D

IPC: H04J13/00 ,  H04B7/005 ,  H04B7/26 ,  H04L27/30 ,  H04W52/00 ,  H04W52/02 ,  H04W52/06 ,  H04W52/08 ,  H04W52/10 ,  H04W52/12 ,  H04W52/34 ,  H04W52/36 ,  H04W52/40 ,  H04W52/52

Abstract: A cellular communication system in which a system user and another user communicate with each other by way of information carrying spread spectrum modulated signals transmitted via a cell-site in which system: the system user comprises a transmitter for transmitting information carrying spread spectrum modulated signals to said cell-site, a receiver for receiving information carrying spread spectrum modulated signals from said cell-site and means for measuring signal quality in said information carrying spread spectrum modulated signals received by the system user; the cell-site comprises a transmitter for transmitting information carrying spread spectrum modulated signals to said system user, a receiver for receiving information carrying spread spectrum modulated signals from said system user and adjusting means for adjusting the power of information carrying spread spectrum modulated signals transmitted from the cell-site ; ; and power control means is provided for controlling the transmission power of the information carrying spread spectrum modulated signals by measuring the signal power in the information carrying spread spectrum modulated signals received by the system user and transmitting data representing the measured power to the cell-site by way of the information carrying spread spectrum modulated signals, the adjusting means being responsive to the data in the information carrying spread spectrum modulated signals from the system user to adjust the power in the information carrying spread spectrum modulated signals transmitted by the cell-site.

公开(公告)号：PT98079A

公开(公告)日：1993-08-31

申请号：PT9807991

申请日：1991-06-24

Applicant: QUALCOMM INC

Inventor： GILHOUSEN KLEIN S ,  JACOBS IRWIN M ,  PADOVANI ROBERTO ,  WEAVER LINDSAY A ,  WHEATLEY CHARLES E ,  VITERBI ANDREW J

IPC: H04B1/707 ,  H04B1/7075 ,  H04B1/709 ,  H04B1/7115 ,  H04B7/005 ,  H04B7/26 ,  H04J3/02 ,  H04J3/16 ,  H04J3/22 ,  H04J11/00 ,  H04J13/00 ,  H04J13/10 ,  H04J13/18 ,  H04L20060101 ,  H04L1/00 ,  H04L1/06 ,  H04L1/08 ,  H04L5/02 ,  H04L5/12 ,  H04L23/02 ,  H04L27/30 ,  H04W52/26 ,  H04B7/00

Abstract: A cell site, comprising: means for modulating configured to format digital data for transmission on a communications channel and to insert at least one timing command into the digital data, the digital data comprising a plurality of bits; means for transmitting coupled to the means for modulating and configured to receive the digital data from the means for modulating, convert the digital data to analog data, and transmit the analog data on the communications channel; and means for receiving configured to receive a signal from at least one remote unit and to determine a timing error of the received signal to be used to generate the timing command in accordance with the timing error, the means for receiving being coupled to the means for modulating and configured to provide the timing command to the means for modulating.

公开(公告)号：DE60137496D1

公开(公告)日：2009-03-12

申请号：DE60137496

申请日：2001-05-08

Applicant: QUALCOMM INC

Inventor： WHEATLEY CHARLES E ,  BENDER PAUL E

IPC: H04B7/26 ,  H04J11/00 ,  H04J13/00 ,  H04Q7/36

Abstract: A novel method and apparatus for providing both voice services and data services in a High Data Rate (HDR) wireless communication system. At least one sub-channel is formed on the forward link of the HDR system. The at least one sub-channel comprise at least one time slot that occupies a specified position in a frame of the forward link. The at least one sub-channel is assigned for voice services. The voice services at the at least one sub-channel are provided in accordance with a CDMA principles. Such principles are disclosed e.g., in IS-95, cdma2000, or other standards known to one skilled in the art. The remaining time slots are used for data services. In another aspect of the invention, additional sub-channels are formed, utilizing all remaining time slots. The additional sub-channels are assigned to data services, such that each sub-channel carries data to a different user. The number of sub-channels assigned to voice services, and the number of sub-channels assigned to voice services changes with varying needs for voice services and data services.

公开(公告)号：AT406708T

公开(公告)日：2008-09-15

申请号：AT03017698

申请日：1996-03-29

Applicant: QUALCOMM INC

Inventor： TIEDEMANN EDWARD G ,  ODENWALDER JOSEPH P ,  WHEATLEY CHARLES E ,  PADOVANI ROBERTO

IPC: H04B7/005 ,  H04B7/26 ,  H04B1/06 ,  H04B7/00 ,  H04B17/00 ,  H04W52/08 ,  H04W52/22 ,  H04W52/24 ,  H04W52/28 ,  H04W52/36 ,  H04W52/60 ,  H05K11/02

Abstract: A method and apparatus for controlling transmission power in a mobile communication system is disclosed. The method disclosed provides for a closed-loop power control method. A characteristic of a propagation path between a first communication station and a second communication station is determined and a power control step size selected accordingly. Closed loop power control commands are received at the first communication station and its transmission energy is adjusted in accordance with the closed loop power control commands and the power control step size.

公开(公告)号：DE60131280T2

公开(公告)日：2008-08-28

申请号：DE60131280

申请日：2001-06-18

Applicant: QUALCOMM INC

Inventor： PADOVANI ROBERTO ,  BENDER PAUL E ,  JALALI AHMAD ,  JUDSON BRUCE ,  WHEATLEY CHARLES E

IPC: H04B7/26 ,  H04J99/00 ,  H04W16/02 ,  H04W16/12

公开(公告)号：DE69936536T2

公开(公告)日：2008-03-20

申请号：DE69936536

申请日：1999-12-03

Applicant: QUALCOMM INC

Inventor： WALLACE MARK S ,  TIEDEMANN EDWARD G ,  WHEATLEY CHARLES E ,  WALTSON J ROD

IPC: H04B7/26 ,  H04B7/24 ,  H04L7/00 ,  H04L7/08 ,  H04Q7/36

公开(公告)号：MY130543A

公开(公告)日：2007-06-29

申请号：MYPI9500169

申请日：1995-01-25

Applicant: QUALCOMM INC

Inventor： WHEATLEY CHARLES E

IPC: H04B1/04 ,  H04B7/005 ,  H04B7/26 ,  H04L27/30

Abstract: A LINK QUALITY IMPROVEMENT SYSTEM FOR A CELLULAR COMMUNICATION SYSTEM IN WHICH PORTABLE UNITS (16, 18) ARE USED TO FACILITATE COMMUNICATION OF INFORMATION SIGNALS BETWEEN SYSTEM USERS, VIA AT LEAST ONE CELL-SITE (12, 14), USING CODE DIVISION MULTIPLE ACCESS SPREAD SPECTRUM COMMUNICATION SIGNALS. THE SYSTEM ENABLES USERS TO IMPROVE THE QUALITY OF REVERSE COMMUNICATION LINKS (20B, 22B, 24B, 26B) FROM THE PORTABLE UNITS TO THE CELL-SITE BY PROVIDING TO EACH SYSTEM USER A LINK QUALITY SIGNAL (LQ) INDICATIVE OF POWER RECEIVED AT THE CELL-SITE RELATIVE TO AN OPTIMUM LEVEL OF RECEIVED POWER. AT A CELL-SITE COMMUNICATING WITH A PORTABLE UNIT ASSOCIATED WITH A PARTICULAR SYSTEM USER, THE PORTABLE UNIT TRANSMITTED POWER IS MEASURED (60) AS RECEIVED AT THE CELL-SITE. A COMMAND SIGNAL IS GENERATED (63) AT THE CELL-SITE AND TRANSMITTED TO THE PORTABLE UNIT FOR ADJUSTING PORTABLE UNIT TRANSMITTER POWER. THE COMMAND SIGNALS ARE ALSO ACCUMULATED IN ORDER TO ENABLE GENERATION OF A LINK QUALITY SIGNAL (LQ) IN RESPONSE THERETO. IN A PREFERRED IMPLEMENTATION THE LINK QUALITY SIGNAL (LQ) IS AN AUDIBLE INTERFERENCE SIGNAL INDUCING THE SYSTEM USER TO ADJUST ORIENTATION OF THE PORTABLE COMMUNICATION UNIT SO AS THE IMPROVE SIGNAL QUALITY ON THE REVERSE LINK.(FIG 4)

公开(公告)号：DE69434876D1

公开(公告)日：2006-12-07

申请号：DE69434876

申请日：1994-11-22

Applicant: QUALCOMM INC

Inventor： WHEATLEY CHARLES E ,  PADOVANI ROBERTO ,  ZEHAVI EPHRAIM

IPC: H04B7/005 ,  H04J13/04 ,  H03M13/23 ,  H04B20060101 ,  H04B7/216 ,  H04B7/24 ,  H04L1/00 ,  H04L1/08

Abstract: A method for providing power control with variable data rate, the method comprising: receiving a data frame having an input data rate selected from a plurality of possible input data rates; selecting an encoding rate based on the input data rate; encoding data frames to produce output symbols, repeating output symbols using first and second generating polynomials and multiplexing the repeated output symbols, selecting a puncturing format to puncture data bits and producing output data having a constant output data rate for a number of possible input data rates based on a combination of input data rates, selected encoding rate and selected puncturing format for providing said variable data rate communication link; determining a frame error rate for a number of possible input data rates; calculating differences between the frame error rates and a target error rate and adjusting the power depending on whether the difference is greater, equal or less than a predetermined threshold.