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    Method for Randomly Accessing a Wireless Network
    1.
    发明申请
    Method for Randomly Accessing a Wireless Network 审中-公开
    随机访问无线网络的方法

    公开(公告)号：US20100097985A1

    公开(公告)日：2010-04-22

    申请号：US12402459

    申请日：2009-03-11

    申请人： Philip V. Orlik ,  Raymond Yim ,  Andreas F. Molisch ,  Zhifeng Tao

    发明人： Philip V. Orlik ,  Raymond Yim ,  Andreas F. Molisch ,  Zhifeng Tao

    IPC分类号： H04W40/00

    CPC分类号： H04W74/002 ,  H04W74/0833

    摘要： In a wireless network including a base station (BS) and a set of mobile stations (MS), a MS transmits a ranging request message to the BS, using random access, when the MS enters the cell. The ranging request message includes request MS specific information for identifying the MS. The MS receives a ranging response message broadcast from the BS, which includes response MS specific information, request and response specific information to determine whether the BS received the request, or whether a collision occurred.

    摘要翻译： 在包括基站（BS）和一组移动站（MS）的无线网络中，当MS进入小区时，MS使用随机接入向BS发送测距请求消息。 测距请求消息包括用于识别MS的请求MS特定信息。 MS接收从BS广播的测距响应消息，其包括响应MS特定信息，请求和响应特定信息，以确定BS是否接收到请求，还是发生冲突。

    Analogue Beamforming
    4.
    发明申请
    Analogue Beamforming 审中-公开
    模拟波束成形

    公开(公告)号：US20090225728A1

    公开(公告)日：2009-09-10

    申请号：US12358467

    申请日：2009-01-23

    申请人： Zhifeng Tao ,  Andreas F. Molisch ,  Philip V. Orlik ,  Jinyun Zhang ,  Toshiyuki Kuze

    发明人： Zhifeng Tao ,  Andreas F. Molisch ,  Philip V. Orlik ,  Jinyun Zhang ,  Toshiyuki Kuze

    IPC分类号： H04B7/212 ,  H04W4/00

    CPC分类号： H04W16/28 ,  H04B7/043 ,  H04B7/0634 ,  H04B7/0671

    摘要： An orthogonal frequency division multiple access (OFDMA) network including a base station (BS) associated with a set of mobile stations (MS) in a cell. The set of MS are grouped into sets of active MS, wherein each set of active MS corresponds to a beam formed at the BS. The BS transmits a down link (DL) subframe using analog beam forming (ABF), wherein the DL subframe has one ABF zone for each set of active MS and each corresponding beam.

    摘要翻译： 一种正交频分多址（OFDMA）网络，包括与小区中的一组移动站（MS）相关联的基站（BS）。 该组MS被分组成活动MS集合，其中每组有效MS对应于在BS处形成的一个波束。 BS使用模拟波束形成（ABF）发送下行链路（DL）子帧，其中DL子帧对于每组有效MS和每个对应的波束具有一个ABF区。

    Antenna Selection for SDMA Transmissions in OFDMA Networks
    5.
    发明申请
    Antenna Selection for SDMA Transmissions in OFDMA Networks 审中-公开
    OFDMA网络中SDMA传输的天线选择

    公开(公告)号：US20090124290A1

    公开(公告)日：2009-05-14

    申请号：US11937883

    申请日：2007-11-09

    申请人： Zhifeng Tao ,  Tairan Wang ,  Andreas F. Molisch ,  Philip V. Orlik ,  Jinyun Zhang

    发明人： Zhifeng Tao ,  Tairan Wang ,  Andreas F. Molisch ,  Philip V. Orlik ,  Jinyun Zhang

    IPC分类号： H04M1/00

    CPC分类号： H04B7/0874 ,  H04B7/0452 ,  H04B7/0691 ,  H04B7/0808

    摘要： A method for selects antennas in a spatial division multiple access (SDMA) wireless network that includes a base station and a set of mobile stations, in which the set of mobile stations includes one or more designated mobile stations, and in which each designated mobile station has a set of multiple antennas. Channel state information (CSI) is acquired for a channel between each mobile station in the set of mobile stations and the base station, and in which the CSI for each designated mobile station is acquired for different subsets of the set of multiple antennas at each designated mobile station. For each designated mobile station, a globally optimal subset of the set of antennas is selected based on the CSI acquired from all the mobile stations.

    摘要翻译： 一种用于在包括基站和一组移动台的空分多址（SDMA）无线网络中选择天线的方法，其中所述一组移动站包括一个或多个指定的移动站，并且其中每个指定的移动站 有一套多个天线。 对于移动站组和基站中的每个移动站之间的信道获取信道状态信息（CSI），并且其中为每个指定的多个天线集合的不同子集获取每个指定的移动站的CSI 移动台。 对于每个指定的移动站，基于从所有移动站获取的CSI来选择该组天线的全局最佳子集。

    Cooperative Ultra-Reliable Wireless Communications
    6.
    发明申请
    Cooperative Ultra-Reliable Wireless Communications 有权
    合作超可靠无线通信

    公开(公告)号：US20100254369A1

    公开(公告)日：2010-10-07

    申请号：US12419874

    申请日：2009-04-07

    申请人： Zhifeng Tao ,  Philip V. Orlik ,  Zafer Sahinoglu ,  Andreas F. Molisch ,  Jinyun Zhang

    发明人： Zhifeng Tao ,  Philip V. Orlik ,  Zafer Sahinoglu ,  Andreas F. Molisch ,  Jinyun Zhang

    IPC分类号： H04J3/16 ,  H04L27/28

    CPC分类号： H04L1/1621 ,  H04L27/26 ,  H04L2001/0093 ,  H04L2001/0097

    摘要： A network includes a master node (master) and a set of slave nodes (slaves). The network uses orthogonal frequency-division multiplexing (OFDM) and time division multiple access (TDMA) symbols on sub-carriers. During a first downlink transmission from the master to the set of slaves using downlinks and all of the sub-carriers, a broadcast polling packet including data packets for each slave and sub-carrier assignments for the slaves is broadcast. Each slave transmits simultaneously to the master using uplinks and the assigned sub-carriers, a first response packet after receiving the broadcast polling packet. The master then broadcasts using the downlinks and all of the sub-carriers, a group acknowledgement packet, wherein the broadcast polling packet, the response packet, and the group acknowledgement packet include one superframe in one communication cycle, and wherein the broadcasting on the downlinks and the transmitting on the uplinks are disjoint in time.

    摘要翻译： 网络包括主节点（主节点）和一组从节点（从节点）。 该网络在子载波上使用正交频分复用（OFDM）和时分多址（TDMA）符号。 在使用下行链路和所有子载波从主机到从机组的第一次下行链路传输期间，广播包括用于每个从机的数据分组的广播轮询分组和用于从机的子载波分配。 每个从设备使用上行链路和分配的子载波同时发送到主设备，第一响应分组在接收到广播轮询分组之后。 然后主机使用下行链路和所有子载波，一组确认分组广播，其中广播轮询分组，响应分组和组确认分组在一个通信周期中包括一个超帧，并且其中在下行链路上进行广播 并且在上行链路上的发送在时间上是不相交的。

    Signaling and Training for Antenna Selection in OFDMA Networks
    7.
    发明申请
    Signaling and Training for Antenna Selection in OFDMA Networks 有权
    OFDMA网络中天线选择的信令和训练

    公开(公告)号：US20090016372A1

    公开(公告)日：2009-01-15

    申请号：US12117219

    申请日：2008-05-08

    申请人： Zhifeng Tao ,  Andreas F. Molisch ,  Philip V. Orlik ,  Jinyun Zhang ,  Shigeru Uchida ,  Kentarou Sawa

    发明人： Zhifeng Tao ,  Andreas F. Molisch ,  Philip V. Orlik ,  Jinyun Zhang ,  Shigeru Uchida ,  Kentarou Sawa

    IPC分类号： H04J3/16

    CPC分类号： H04B7/0874 ,  H04B7/063 ,  H04B7/0691 ,  H04L5/0007

    摘要： A method selects antennas in an OFDMA wireless network including a base station and a mobile station. The mobile station measures a channel state of a downlink in a downlink subframe using different subsets of available antennas, and selects a subset of receive antennas for downlink reception based on the channel states between the base station and the different subsets of antennas at the mobile station. The base station measures the channel state in an uplink using an uplink subframe received in the base station from the mobile station, and selects a subset of transmit antennas for mobile station's uplink transmission based on the channel states between the base station and different subset of antennas at the mobile station.

    摘要翻译： 一种方法选择包括基站和移动台的OFDMA无线网络中的天线。 移动站使用不同的可用天线子集来测量下行链路子帧中的下行链路的信道状态，并且基于移动站的基站和不同的天线子集之间的信道状态来选择用于下行链路接收的接收天线的子集 。 基站使用来自移动站的基站中接收到的上行链路子帧来测量上行链路中的信道状态，并且基于基站和不同的天线子集之间的信道状态来选择用于移动台的上行链路传输的发射天线的子集 在移动台。

    Signaling and training for antenna selection in OFDMA networks
    9.
    发明授权
    Signaling and training for antenna selection in OFDMA networks 有权
    OFDMA网络中天线选择的信令和训练

    公开(公告)号：US08009580B2

    公开(公告)日：2011-08-30

    申请号：US12117219

    申请日：2008-05-08

    申请人： Zhifeng Tao ,  Andreas F. Molisch ,  Philip V. Orlik ,  Jinyun Zhang ,  Shigeru Uchida ,  Kentarou Sawa

    发明人： Zhifeng Tao ,  Andreas F. Molisch ,  Philip V. Orlik ,  Jinyun Zhang ,  Shigeru Uchida ,  Kentarou Sawa

    IPC分类号： H04W4/00

    CPC分类号： H04B7/0874 ,  H04B7/063 ,  H04B7/0691 ,  H04L5/0007

    摘要： A method selects antennas in an OFDMA wireless network including a base station and a mobile station. The mobile station measures a channel state of a downlink in a downlink subframe using different subsets of available antennas, and selects a subset of receive antennas for downlink reception based on the channel states between the base station and the different subsets of antennas at the mobile station. The base station measures the channel state in an uplink using an uplink subframe received in the base station from the mobile station, and selects a subset of transmit antennas for mobile station's uplink transmission based on the channel states between the base station and different subset of antennas at the mobile station.

    摘要翻译： 一种方法选择包括基站和移动台的OFDMA无线网络中的天线。 移动站使用不同的可用天线子集来测量下行链路子帧中的下行链路的信道状态，并且基于移动站的基站和不同的天线子集之间的信道状态来选择用于下行链路接收的接收天线的子集 。 基站使用来自移动站的基站中接收到的上行链路子帧来测量上行链路中的信道状态，并且基于基站和不同的天线子集之间的信道状态来选择用于移动台的上行链路传输的发射天线的子集 在移动台。