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114 条记录 (耗时 0.042 秒)

    Paging mechanism for wireless networks
    71.
    发明授权
    Paging mechanism for wireless networks 有权

    公开(公告)号：US10834700B2

    公开(公告)日：2020-11-10

    申请号：US16505029

    申请日：2019-07-08

    申请人： Keyvan Zarifi ,  Mohammadhadi Baligh

    发明人： Keyvan Zarifi ,  Mohammadhadi Baligh

    IPC分类号： H04W68/02 ,  H04W76/11

    摘要： Methods, apparatuses and systems are described. A device, in the active state, receives, from a serving transmission point, a device connection identifier (DCID) associated with the device. The device, in the standby state, periodically transmits, to the same or different serving transmission point, an identifying signal that identifies the first device using the DCID, to synchronize the first device with a wireless communications network.

    Uplink-based user equipment tracking for connected inactive state
    72.
    发明授权
    Uplink-based user equipment tracking for connected inactive state 有权

    公开(公告)号：US10652851B2

    公开(公告)日：2020-05-12

    申请号：US15789650

    申请日：2017-10-20

    申请人： Usa Vilaipornsawai ,  Mohammadhadi Baligh ,  Keyvan Zarifi ,  Yicheng Lin

    发明人： Usa Vilaipornsawai ,  Mohammadhadi Baligh ,  Keyvan Zarifi ,  Yicheng Lin

    IPC分类号： H04W64/00 ,  H04W52/02 ,  H04W76/27

    摘要： Methods and devices for uplink-based User Equipment (UE) tracking for UEs operating in a connected inactive operating state are provided. A transmit-receive point (TRP) transmits parameters to a UE that allow the UE to uniquely determine a UE-specific tracking sequence and assigned time-frequency (TF) resource that are independent of a TRP identifier associated with the TRP. The UE determines the UE-specific tracking sequence and assigned TF resource based at least in part on the parameters received from the TRP. While in the connected inactive operating state, the UE transmits a tracking signal that includes the UE-specific tracking sequence in accordance with the assigned TF resource. The TRP receives the tracking signal from the UE, detects the UE in accordance with the UE-specific tracking sequence to produce a UE detection status, and transmits a tracking response to the UE in accordance with the UE detection status.

    System and method for communicating using SCMA
    74.
    发明授权
    System and method for communicating using SCMA 有权

    公开(公告)号：US10425198B2

    公开(公告)日：2019-09-24

    申请号：US15204468

    申请日：2016-07-07

    申请人： Mohammadhadi Baligh ,  Alireza Bayesteh

    发明人： Mohammadhadi Baligh ,  Alireza Bayesteh

    IPC分类号： H04L5/00 ,  H04W4/70 ,  H04L27/26

    摘要： Systems and methods for DFT-S-SCMA (discrete Fourier Transform-spread-sparse code multiple access) are provided. Input bits are encoded with an SCMA encoder. The output is precoded with a IDFT (inverse DFT) to produce a precoded SCMA block. Multiple precoded SCMA blocks are combined at the input of a DFT. This is done in parallel for multiple sets of SCMA blocks at multiple DFTs. Then, the outputs of the DFTs are combined and OFDM modulated. This approach can be used to improve the PAPR (peak to average power ratio) at the output of the OFDM modulation.

    System and method for transceiver design
    76.
    发明授权
    System and method for transceiver design 有权
    收发器设计的系统和方法

    公开(公告)号：US08797959B2

    公开(公告)日：2014-08-05

    申请号：US13342769

    申请日：2012-01-03

    申请人： Meisam Razaviyayn ,  Mohammadhadi Baligh ,  Aaron Callard ,  Zhi-Quan Luo

    发明人： Meisam Razaviyayn ,  Mohammadhadi Baligh ,  Aaron Callard ,  Zhi-Quan Luo

    IPC分类号： H04W24/00

    CPC分类号： H04B7/0456 ,  H04B7/0617 ,  H04B7/0619 ,  H04B7/0634 ,  H04B7/086 ,  H04L5/0044 ,  H04L5/0096 ,  H04W72/042 ,  H04W72/12

    摘要： A method for operating a controller of a multiple input, multiple output communications system includes formulating an objective function according to a resource allocation for a user equipment (UE) and a mean square error expression, and updating the objective function to generate an updated resource allocation for the UE, a transmit beamforming vector to precode a transmission to the UE, and a receive beamforming vector to adjust a receiver to receive the precoded transmission. The method also includes transmitting allocation information about the resource allocation for the UE and the transmit beamforming vector to a communications controller serving the UE.

    摘要翻译： 用于操作多输入多输出通信系统的控制器的方法包括根据用户设备（UE）的资源分配和均方误差表达式来制定目标函数，并且更新目标函数以生成更新的资源分配 对于UE，发射波束形成向量来对UE的传输进行预编码，以及接收波束成形向量，以调整接收机以接收预编码的传输。 该方法还包括将关于UE的资源分配的发送分配信息和发送波束成形向量发送到服务于该UE的通信控制器。

    ROBUST TRANSCEIVER DESIGN
    79.
    发明申请
    ROBUST TRANSCEIVER DESIGN 有权
    稳健收货机设计

    公开(公告)号：US20130078927A1

    公开(公告)日：2013-03-28

    申请号：US13556973

    申请日：2012-07-24

    申请人： Meisam Razaviyayn ,  Mohammadhadi Baligh ,  Aaron Callard ,  Zhi-Quan Luo

    发明人： Meisam Razaviyayn ,  Mohammadhadi Baligh ,  Aaron Callard ,  Zhi-Quan Luo

    IPC分类号： H04B1/38

    CPC分类号： H04B7/086 ,  H04B7/0413

    摘要： A system is provided for optimizing throughput in a communication system. During operation, the system receives, at a first antenna, estimated channel state information (CSI) at least one channel between the first antenna and at least one second antenna. The system obtains antenna correlation information associated with the first antenna and the second antenna, respectively. The system further calculates a set of noise terms associated with random noise for the at least one channel, and optimizes a configuration of beamformers for the first antenna and the at least one second antenna that maximizes a throughput of all antennas, in accordance with the estimated CSI, the obtained antenna correlation information, and the noise terms.

    摘要翻译： 提供了一种用于优化通信系统中的吞吐量的系统。 在操作期间，系统在第一天线处接收第一天线和至少一个第二天线之间的至少一个信道的估计信道状态信息（CSI）。 该系统分别获得与第一天线和第二天线相关联的天线相关信息。 该系统进一步计算与至少一个信道的随机噪声相关联的一组噪声项，并根据所估计的最优化针对第一天线和至少一个使所有天线的吞吐量最大化的第二天线的波束形成器的配置。 CSI，所获得的天线相关信息和噪声项。

    MULTI-SITE MIMO COOPERATION IN CELLULAR NETWORK
    80.
    发明申请
    MULTI-SITE MIMO COOPERATION IN CELLULAR NETWORK 有权
    细胞网络中的多场MIMO合作

    公开(公告)号：US20130016662A1

    公开(公告)日：2013-01-17

    申请号：US13620445

    申请日：2012-09-14

    申请人： Mohammadhadi Baligh ,  Jiangei Ma ,  Hua Xu

    发明人： Mohammadhadi Baligh ,  Jiangei Ma ,  Hua Xu

    IPC分类号： H04W4/00

    CPC分类号： H04B7/024 ,  H04B7/0669 ,  H04B7/0671 ,  H04B7/0689 ,  H04B7/12 ,  H04L1/0026 ,  H04L1/0071 ,  H04L1/0625 ,  H04L1/0656 ,  H04L1/0668 ,  H04L5/0007 ,  H04L5/001 ,  H04L5/003 ,  H04L5/0035 ,  H04W72/1231

    摘要： In a cellular communications network comprising a plurality of transmitting sites wherein each transmitting site comprises at least one antenna, a method of serving a given data stream to a target-mobile terminal, comprising: designating at least two of the plurality of transmitting sites as cooperating sites; assigning tones to each transmitting site from a sub-band associated with the cooperating sites; dividing the data stream into at least two sub-data streams, each of the sub-data streams for transmission over selected tones; and interlacing tones of the cooperating sites in accordance with a selected one of a time switching and a frequency switching transmit diversity technique.

    摘要翻译： 在包括多个发射站点的蜂窝通信网络中，其中每个发射站点包括至少一个天线，向目标移动终端提供给定数据流的方法，包括：指定所述多个发射站点中的至少两个作为协作站点 ; 从与合作站点相关联的子带向每个发送站点分配音调; 将数据流划分为至少两个子数据流，用于在所选音调上传输的每个子数据流; 以及根据时间切换和频率切换发射分集技术中选择的一个来协作的场所的交织音调。