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    82.
    发明专利
    未知

    公开(公告)号：PT680675E

    公开(公告)日：2004-05-31

    申请号：PT95902697

    申请日：1994-11-22

    Applicant: QUALCOMM INC

    Inventor： WHEATLEY CHARLES E III ,  ZEHAVI EPHRAIM ,  PADOVANI ROBERTO

    IPC: H03M13/23 ,  H04B20060101 ,  H04J13/04 ,  H04B7/005 ,  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.

    83.
    发明专利
    未知

    公开(公告)号：DK0680675T3

    公开(公告)日：2004-04-05

    申请号：DK95902697

    申请日：1994-11-22

    Applicant: QUALCOMM INC

    Inventor： WHEATLEY CHARLES E III ,  PADOVANI ROBERTO ,  ZEHAVI EPHRAIM

    IPC: H04J13/04 ,  H03M13/23 ,  H04B20060101 ,  H04B7/005 ,  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.

    84.
    发明专利
    未知

    公开(公告)号：PT767994E

    公开(公告)日：2004-02-27

    申请号：PT95924673

    申请日：1995-06-22

    Applicant: QUALCOMM INC

    Inventor： ANTONIO FRANKLIN P ,  GILHOUSEN KLEIN S ,  ZEHAVI EPHRAIM ,  WOLF JACK K

    IPC: H01Q3/26 ,  H04B1/7085 ,  H01Q3/24 ,  H04B1/7117 ,  H04B1/712 ,  H04B7/26 ,  H04L1/06 ,  H04W16/28 ,  H04Q7/36

    Abstract: A system and method for adaptively sectorizing channel resources within a digital cellular communication system is disclosed herein. The system includes an antenna arrangement for providing at least first and second electromagnetic beams for receiving a first information signal transmitted by a specific one of a plurality of users, thereby generating first and second received signals. A first set of beam-forming signals are then generated from the first and second received signals. A demodulating receiver is provided for demodulating at least first and second beam-forming signals included within the first set of beam-forming signals, thereby producing first and second demodulated signals. The system further includes a tracking network for tracking multipath information signals, received from various positions and angles of incidence, based on comparison of the first and second demodulated signals.

    85.
    发明专利
    未知

    公开(公告)号：DK0767994T3

    公开(公告)日：2003-11-24

    申请号：DK95924673

    申请日：1995-06-22

    Applicant: QUALCOMM INC

    Inventor： ANTONIO FRANKLIN P ,  GILHOUSEN KLEIN S ,  ZEHAVI EPHRAIM ,  WOLF JACK K

    IPC: H01Q3/24 ,  H01Q3/26 ,  H04B1/7085 ,  H04B1/7117 ,  H04B1/712 ,  H04B7/26 ,  H04L1/06 ,  H04W16/28 ,  H04Q7/36

    Abstract: A system and method for adaptively sectorizing channel resources within a digital cellular communication system is disclosed herein. The system includes an antenna arrangement for providing at least first and second electromagnetic beams for receiving a first information signal transmitted by a specific one of a plurality of users, thereby generating first and second received signals. A first set of beam-forming signals are then generated from the first and second received signals. A demodulating receiver is provided for demodulating at least first and second beam-forming signals included within the first set of beam-forming signals, thereby producing first and second demodulated signals. The system further includes a tracking network for tracking multipath information signals, received from various positions and angles of incidence, based on comparison of the first and second demodulated signals.

    89.
    发明专利
    未知

    公开(公告)号：DE69429356D1

    公开(公告)日：2002-01-17

    申请号：DE69429356

    申请日：1994-09-23

    Applicant: QUALCOMM INC

    Inventor： KINDRED RAY ,  BUTLER K ,  ZEHAVI EPHRAIM ,  WOLF KEIL

    IPC: H04L1/12 ,  H03M13/23 ,  H03M13/37 ,  H03M13/41 ,  H04B1/707 ,  H04L1/00 ,  H04L1/08 ,  H04L1/20 ,  H04L25/02 ,  H04L25/03 ,  H04L25/08 ,  H04B7/26 ,  H03M13/00

    Abstract: A Viterbi decoder for recovering the original bit data stream that was convolutionally encoded as a code symbol stream in a Code Division Multiple Access (CDMA) mobile communication system. The decoder simultaneously decodes at the several data rates associated with certain multirate vocoders. The decoder can decode at an unknown data rate in either continuous or framed packet modes. It accomplishes this by simultaneously decoding at multiple rates and by creating one or more data quality metrics for each decoded data packet. Special input and output buffering is provided to isolate the decoder from system timing constraints. The input buffer includes selection and accumulation logic to organize code symbol data into the packet order for repeat mode or random burst mode at lower frame data rates. Decoded data packets for each of several predetermined data transfer rates are held in an output buffer for about half of the decoding cycle, thereby permitting the system microprocessor to examine and select the appropriate decoded data packet. The decoder also can be reconfigured to operate at any one of several predetermined convolutional encoding algorithms. The Viterbi decoder, implemented as a single monolithic integrated circuit, can be used in any and all of many different multiuser telecommunications channels.

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