公开(公告)号：DE60206419T2

公开(公告)日：2006-07-06

申请号：DE60206419

申请日：2002-12-03

Applicant: QUALCOMM INC

Inventor： BUTLER K ,  WOLF K ,  MILNE RYAN

IPC: H03M13/19 ,  H03M13/15 ,  H03M13/37

Abstract: Techniques for efficiently performing erasure-and-single-error correction block decoding on a received block of symbols previously coded column-wise with an (N, K) linear block code and row-wise with an error detection code (e.g., a CRC code). Initially, each row of the received block is marked as either an erased row or an un-erased row. To perform erasure-and-single-error correction block decoding on the received block, a codeword corresponding to a column of the received block containing an undetected symbol error is initially identified. The location of the symbol error in the codeword is then determined based on a particular block decoding scheme and corresponding to the selected (N, K) block code. The row of the received block containing the symbol error is then marked as an erased row. Block decoding may then be performed for the received block with the newly marked erased row containing the symbol error.

公开(公告)号：DE60206419D1

公开(公告)日：2006-02-09

申请号：DE60206419

申请日：2002-12-03

Applicant: QUALCOMM INC

Inventor： BUTLER K ,  WOLF K ,  MILNE RYAN

IPC: H03M13/15 ,  H03M13/19 ,  H03M13/37

Abstract: Techniques for efficiently performing erasure-and-single-error correction block decoding on a received block of symbols previously coded column-wise with an (N, K) linear block code and row-wise with an error detection code (e.g., a CRC code). Initially, each row of the received block is marked as either an erased row or an un-erased row. To perform erasure-and-single-error correction block decoding on the received block, a codeword corresponding to a column of the received block containing an undetected symbol error is initially identified. The location of the symbol error in the codeword is then determined based on a particular block decoding scheme and corresponding to the selected (N, K) block code. The row of the received block containing the symbol error is then marked as an erased row. Block decoding may then be performed for the received block with the newly marked erased row containing the symbol error.

公开(公告)号：DE69531827T2

公开(公告)日：2004-07-01

申请号：DE69531827

申请日：1995-06-22

Applicant: QUALCOMM INC

Inventor： ANTONIO P ,  GILHOUSEN S ,  WOLF K ,  ZEHAVI EPHRAIM

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.

公开(公告)号：DE69531827D1

公开(公告)日：2003-10-30

申请号：DE69531827

申请日：1995-06-22

Applicant: QUALCOMM INC

Inventor： ANTONIO P ,  GILHOUSEN S ,  WOLF K ,  ZEHAVI EPHRAIM

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.