Wireless communication system, wireless communication method, transmitting station device and receiving station device

    公开(公告)号:US11870517B2

    公开(公告)日:2024-01-09

    申请号:US17602192

    申请日:2020-03-26

    摘要: According to the present invention, in a wireless communication system that performs single carrier MIMO transmission between a transmitting station device and a receiving station device, the transmitting station device includes a time-domain linear equalization unit, a propagation path characteristics estimation unit configured to receive a training signal and estimate a transfer function matrix of propagation path characteristics, a filter tap calculation unit configured to calculate filter tap coefficients for the time-domain linear equalization unit based on the transfer function matrix by a predefined approach, and a transmission mode determination unit configured to make the filter tap calculation unit calculate the filter tap coefficients when the transfer function matrix meets a predefined condition, and to change a transmission mode and determine the transmission mode that meets the predefined condition when the transfer function matrix does not meet the predefined condition. The receiving station device includes a training signal generation unit configured to generate the training signal for use in estimation of propagation path characteristics and transmit the training signal to the transmitting station device.

    SYSTEMS AND METHODS FACILITATING INCREASED CAPACITY IN RADIO FREQUENCY (RF) COMMUNICATIONS

    公开(公告)号:US20230239009A1

    公开(公告)日:2023-07-27

    申请号:US18100779

    申请日:2023-01-24

    申请人: Joseph Rhyne

    发明人: Joseph Rhyne

    IPC分类号: H04B7/005 H04B7/08

    CPC分类号: H04B7/005 H04B7/0891

    摘要: Systems and methods employing a Radio Frequency (RF) communication link that transmits three or more RF signals in one direction, with each signal carrying its own data stream. The signals share time, frequency and space resources and define polarities separated by a pre-determined, substantially non-orthogonal angle. A Multi-Polarity Interference Cancellation (MPIC) feature removes the multi-channel interference for each distinct channel.

    Power control to a beam steering phased array antenna in satellite applications

    公开(公告)号:US11258484B2

    公开(公告)日:2022-02-22

    申请号:US16359998

    申请日:2019-03-20

    发明人: Jun Fang

    摘要: Examples disclosed herein relate to a communication system including a transceiver module, a rearrangeable switch network coupled to the transceiver module, a power distribution network coupled to the rearrangeable switch network, and a plurality of Beam Steering Phase Array (“BSPA”) antennas, each coupled to the power distribution network and dynamically controllable to generate beams according to a power regulation requirement for a set of satellites.

    TERMINAL APPARATUS AND BASE STATION APPARATUS

    公开(公告)号:US20220014235A1

    公开(公告)日:2022-01-13

    申请号:US17289949

    申请日:2019-10-25

    IPC分类号: H04B7/005 H04W72/04 H04W72/12

    摘要: In a case of configuring multiple configured grants, signal detection in a base station apparatus is efficiently performed. For configured grant scheduling, by configuring a plurality of time offset values, multiple transmission opportunities are generated. To each of the transmission opportunities, a slot retransmission is applied. In a case that multiple transmission patterns are generated due to the plurality of time offsets, transmission is performed by using a transmission pattern, among the multiple transmission patterns, that causes the number of remaining retransmissions to increase.

    METHOD, DEVICE AND COMPUTER READABLE MEDIUM FOR POWER ALLOCATION FOR MU-MIMO

    公开(公告)号:US20210399772A1

    公开(公告)日:2021-12-23

    申请号:US17288219

    申请日:2018-11-15

    发明人: Wenhui LI Guowei ZENG

    摘要: Embodiments of the present disclosure provide methods, devices and computer readable media for communication. In a method implemented at a network device, the method comprising allocating, at a network device, available resource block groups RBGs to a plurality of terminal devices; determining the number of shared RBGs in the available RBGs, the shared RBGs being shared by the plurality of terminal devices; determining a sum of shared number of the shared RBGs per each of the plurality of terminal devices; determining an average value of the transmit power base on the number of available RBGs and a total power of the network device, the average value indicating a basic power allocated by the network device to the plurality of terminal devices; determining an offset value of a transmit power for each of the plurality of terminal devices based on the number of shared RBGs, the sum of the shared number and the average value; and determining a target value of the transmit power for each of the plurality of terminal devices based on the offset value and the average value.

    Reception device, reception signal processing method, control circuit, and recording medium

    公开(公告)号:US11196459B2

    公开(公告)日:2021-12-07

    申请号:US16964443

    申请日:2018-11-02

    摘要: A reception device includes an equalization processing unit including a linear filter unit and a nonlinear filter unit and performing equalization process on a reception signal; a linear propagation channel estimation unit making propagation channel estimation using a known signal included in a reception signal to calculate a filter coefficient of the linear filter unit; and a synchronization processing unit performing synchronization process of correcting frequency deviation based on a signal output by the equalization processing unit, and when a predetermined condition is satisfied after executing first equalization process of outputting a reception signal filtered by the linear filter unit to the synchronization processing unit, the equalization processing unit starts second equalization process that is an adaptive equalization process of outputting a result of addition of a reception signal filtered by the linear filter unit and a reception signal filtered by the nonlinear filter unit to the synchronization processing unit.