中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

16 records (took 0.024 seconds)

    METHOD FOR CHANNEL EQUALISATION
    2.
    发明申请
    METHOD FOR CHANNEL EQUALISATION 审中-公开
    法信道均衡

    公开(公告)号：WO0126314A2

    公开(公告)日：2001-04-12

    申请号：PCT/DE0003499

    申请日：2000-10-04

    Applicant: INFINEON TECHNOLOGIES AG ,  YANG BIN ,  BOHNHOFF PETER

    Inventor： YANG BIN ,  BOHNHOFF PETER

    IPC: H04B7/005 ,  H04B3/06 ,  H04L25/03 ,  H04L27/00

    CPC classification number: H04L25/03057 ,  H04L2025/0349

    Abstract: A method for channel equalisation of received data, transmitted via a transmission channel H, comprises the following steps: receiving (S1) the received data in a received data packet; determining (S2) the channel parameters of the transmission channel (H) from the received data Xk and storing the channel parameters in a data field D; calculating (S3) the filter set coefficients (p) of a pre-filter (P) and the equalisation set coefficients (g) of an equaliser by a Givens rotation of the data field (D); setting (S4) the pre-filter (P) and the equaliser with the calculated coefficients (p, g); and equalisation (S5) of the received data by means of the adjusted pre-filter (P) and the adjusted equaliser.

    Abstract translation: 一种用于接收数据（H）的信道均衡方法经由传输信道传输，其包括以下步骤：接收所接收到的数据在接收的数据分组（S1）; 确定从所接收的数据的传输信道（H）的信道参数的（S2）（X k）和存储在数据字段（D）信道参数; 计算预过滤器（P）的调整（p）的过滤器的（S3）和均衡器设置系数（g）的由数据字段（D）的Givens旋转的均衡器; 调整输入滤波器的（S4）（P），并使用计算出的系数（P，G）的均衡器; 通过预过滤器组（P）和所述一组均衡器均衡所述接收数据的（S5）。

    3.
    发明专利
    未知

    公开(公告)号：AT311704T

    公开(公告)日：2005-12-15

    申请号：AT00965926

    申请日：2000-09-06

    Applicant: INFINEON TECHNOLOGIES AG

    Inventor： HARTMANN RALF ,  BOHNHOFF PETER

    IPC: H04L1/00 ,  H04B7/005 ,  H04L1/20

    Abstract: In a radio receiver, an equalizer generates reliability information in the form of soft decision information indicating probabilities that a data symbol received by the radio receiver is based on a specific transmitted value. A bit error rate estimator obtains bit error rate information regarding the bit error rate of the received signal, corresponding to the received data symbols, by evaluating the reliability information.

    5.
    发明专利
    未知

    公开(公告)号：DE10032237A1

    公开(公告)日：2002-01-17

    申请号：DE10032237

    申请日：2000-07-03

    Applicant: INFINEON TECHNOLOGIES AG

    Inventor： BECKER BURKHARD ,  BOHNHOFF PETER ,  YANG BIN

    IPC: H03M13/41 ,  H04B3/06 ,  H04B7/005 ,  H04L25/03 ,  H04L27/01 ,  H04L27/22 ,  H04B1/62 ,  H03H21/00

    Abstract: The invention relates to a Viterbi equalizer for equalizing a data signal, which has been transmitted via a disturbed channel. Said equalizer has at least one Add-Compare-Select (ACS) unit, which carries out an ACS operation for each channel state in a time interval k. The equalizer also comprises a unit (CAL1, CAL2) for precalculating and saving metrics increments, said unit precalculating the increments with reference to all transitions from a predeterminable state in the time interval k to the states in time interval k+1 that can be attained by the transitions and stores them in an output memory (ASP), so that they are available for retrieval by the ACS unit.

    6.
    发明专利
    未知

    公开(公告)号：DE50108955D1

    公开(公告)日：2006-04-20

    申请号：DE50108955

    申请日：2001-06-11

    Applicant: INFINEON TECHNOLOGIES AG

    Inventor： BECKER BURKHARD ,  BOHNHOFF PETER ,  YANG BIN

    IPC: H04L25/03 ,  H03M13/41 ,  H04B3/06 ,  H04B7/005 ,  H04L27/01 ,  H04L27/22

    Abstract: A Viterbi equalizer for equalization of a data signal transmitted via a channel that is subject to interference has at least one add-compare-select unit (ACS), which carries out an ACS operation for each channel state in a time step k. Furthermore, the equalizer has a unit for calculating metric increments in advance and for storing the metric increments. The calculation unit calculates in advance the metric increments relating to all the transitions from a state which can be predetermined in the time step k to the states which can be reached by the transitions in the time step k+1. The metric increments are retained in an output memory such that they can be called up for utilization in the ACS unit.

    8.
    发明专利
    未知

    公开(公告)号：DE50001182D1

    公开(公告)日：2003-03-06

    申请号：DE50001182

    申请日：2000-07-27

    Applicant: INFINEON TECHNOLOGIES AG

    Inventor： HARTMANN RALF ,  BOHNHOFF PETER

    IPC: H03M13/00 ,  H03M13/27 ,  H03M13/39 ,  H03M13/41 ,  H03M13/45 ,  H04B3/06 ,  H04B7/005 ,  H04L1/00

    Abstract: An equalizer of a radio receiver for generating reliability information (q) that specifies probabilities of a received data symbol (z) being based on a particular transmitted value. The reliability information (q) is determined for each received data symbol (z) by evaluating trellis state transitions through use of a particular metric, both trellis-based symbols and decision-feedback symbols being evaluated. The decision-feedback symbols used are state-independent symbols that have previously been decided by means of a hard decision.

    10.
    发明专利
    未知

    公开(公告)号：DE19943386A1

    公开(公告)日：2001-03-22

    申请号：DE19943386

    申请日：1999-09-10

    Applicant: INFINEON TECHNOLOGIES AG

    Inventor： HARTMANN RALF ,  BOHNHOFF PETER

    IPC: H04L1/00 ,  H04B7/005 ,  H04L1/20 ,  H04L27/00 ,  H03H17/06 ,  H04B1/10 ,  H04B1/26

    Abstract: Reliability information (q) indicating the probabilities that a data symbol (z) received by the radio receiver (7) is based on a certain transmitted value (c) in the form of soft decision information is generated in said radio receiver (7) by an equalizer. Bit error rate information (p) regarding the bit error rate of the receive signal corresponding to the data symbols (z) received is obtained by a bit error rate estimator (15) by evaluating the reliability information (q).

Patent Agency Ranking