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    • 91. 发明授权
    • Wireless communication method and system with controlled WTRU peer-to-peer communications
    • 无线通信方法和具有受控WTRU对等通信的系统
    • US07016673B2
    • 2006-03-21
    • US10675893
    • 2003-09-29
    • Gautam G. ReddyPrabhakar R. ChitrapuLeonid KazakevichTeresa Joanne HunkelerArty Chandra
    • Gautam G. ReddyPrabhakar R. ChitrapuLeonid KazakevichTeresa Joanne HunkelerArty Chandra
    • H04Q7/20
    • H04W88/04G01S5/0027H04W4/02H04W64/00H04W84/00H04W88/06
    • A wireless network provides controlled wireless communications with multi-mode wireless WTRUs. The wireless network has at least one base station having a transceiver operating in an infrastructure communication mode with multi mode WTRUs and a controller that transmits control signals via infrastructure communications with a WTRU that control peer-to-peer mode communications of that WTRU with other WTRUs. A WTRU has transceiver components configured for selective operation in an infrastructure communication mode with a network base station and in a peer-to-peer communication mode with other WTRUs. The WTRU also has a transceiver controller configured to selectively control peer-to-peer mode communications with other WTRUs based on communication signals received in infrastructure communications with a network base station. Preferably, the transceiver controller is configured to control the transceiver components to switch between infrastructure communication mode and peer-to-peer communication mode based on Quality of Service criteria.
    • 无线网络提供与多模式无线WTRU的受控无线通信。 无线网络具有至少一个基站,其具有在具有多模式WTRU的基础设施通信模式中操作的收发器和经由与WTRU的基础设施通信的控制信号的控制器,所述WTRU控制该WTRU与其他WTRU的对等模式通信 。 WTRU具有被配置为在与基站通信模式中的选择性操作并且与其他WTRU的对等通信模式中的选择性操作的收发器组件。 WTRU还具有收发器控制器,其被配置为基于在与基站通信的基础设施通信中接收的通信信号来选择性地控制与其他WTRU的对等模式通信。 优选地,收发器控制器被配置为基于服务质量标准来控制收发器组件在基础设施通信模式和对等通信模式之间切换。
    • 92. 发明申请
    • Implementing a smart antenna in wireless local area network
    • 在无线局域网中实现智能天线
    • US20060057964A1
    • 2006-03-16
    • US11018794
    • 2004-12-21
    • Vincent RoyPaul MarinierArty ChandraInhyok Cha
    • Vincent RoyPaul MarinierArty ChandraInhyok Cha
    • H04B17/00
    • H04B7/0408H04W16/28
    • A method for implementing a smart antenna in establishing association between a station (STA) and an access point (AP) in a wireless local area network begins by transmitting a beacon frame by the AP on one antenna beam. The beacon frame is received at the STA, which measures the signal quality of the beacon frame. The AP switches to a different antenna beam and repeats the method until the beacon frame has been transmitted on all antenna beams. The STA associates to the AP that transmits the beacon frame with the highest signal quality on one of its antenna beams. A similar method may be used in which the STA sends a probe request frame to the AP, which then responds with probe response frames sent on multiple antenna beams.
    • 在无线局域网中建立站(STA)和接入点(AP)之间的关联的实现智能天线的方法是通过一个天线波束上的AP发送信标帧开始的。 在STA处接收信标帧,其测量信标帧的信号质量。 AP切换到不同的天线波束并重复该方法,直到在所有天线波束上发送信标帧为止。 STA将AP与其一个天线波束上发送具有最高信号质量的信标帧相关联。 可以使用类似的方法,其中STA向AP发送探测请求帧,该AP然后在多个天线波束上发送的探测响应帧进行响应。
    • 96. 发明授权
    • Peer-to-peer wireless communication system
    • 对等无线通信系统
    • US08559375B2
    • 2013-10-15
    • US13444950
    • 2012-04-12
    • Arty ChandraJoseph S. LevySudheer A. GrandhiEldad Zeira
    • Arty ChandraJoseph S. LevySudheer A. GrandhiEldad Zeira
    • H04W4/00
    • H04W28/16H04W76/14H04W84/18
    • A method and apparatus may be used for peer-to-peer communications. A first non-access point (non-AP) station (STA) may receive a message for establishing a direct communication link from a second non-AP STA. The message may include a service priority. The first non-AP STA may transmit another message in response to receiving the message from the second non-AP STA, and communicate directly with the second non-AP STA. The system may be an Ad hoc network comprising a plurality of STAs without an access point (AP) where each STA maintains a database of one-hop and two-hop STAs, and establishes a direct link to other STAs after informing neighboring STAs of an intention to establish a direct communication link.
    • 方法和装置可以用于对等通信。 第一非接入点(非AP)站(STA)可以从第二非AP STA接收用于建立直接通信链路的消息。 消息可以包括服务优先级。 响应于从第二非AP STA接收到消息,第一非AP STA可以发送另一个消息,并直接与第二非AP STA通信。 该系统可以是包括没有接入点(AP)的多个STA的Ad hoc网络,其中每个STA维护一跳和两跳STA的数据库,并且在通知相邻STA之后建立到其他STA的直接链路 建立直接沟通联系的意图。
    • 99. 发明授权
    • Peer-to-peer wireless communication system
    • 对等无线通信系统
    • US08159999B2
    • 2012-04-17
    • US11234792
    • 2005-09-23
    • Arty ChandraJoseph S. LevySudheer A. GrandhiEldad Zeira
    • Arty ChandraJoseph S. LevySudheer A. GrandhiEldad Zeira
    • H04W4/00
    • H04W28/16H04W76/14H04W84/18
    • A peer-to-peer communication system using a direct link setup (DLS) is disclosed. A mobile station (STA) establishes a direct communication link with another STA by sending a message requesting a DLS to an access point (AP), (i.e., a centralized controller). The AP may accept or reject the DLS request based on channel measurements. If the DLS request is accepted, the DLS is established such that the STAs may directly communicate with each other. An established DLS connection may be torn down by the AP sending a message including a DLS teardown request to one of the STAs, or based on channel measurements. The system may be an Ad hoc network comprising a plurality of STAs without an AP where each STA maintains a database of one-hop and two-hop STAs, and establishes a direct link to other STAs after informing neighboring STAs of an intention to establish a direct communication link.
    • 公开了一种使用直接链路建立(DLS)的对等通信系统。 移动站(STA)通过向接入点(AP)(即集中式控制器)发送请求DLS的消息来建立与另一个STA的直接通信链路。 AP可以基于信道测量接受或拒绝DLS请求。 如果DLS请求被接受,则建立DLS使得STA可以直接相互通信。 AP可以将建立的DLS连接拆除,其中包括向一个STA发送包括DLS拆卸请求的消息,或者基于信道测量。 该系统可以是包括多个没有AP的STA的Ad hoc网络,其中每个STA维护一跳和两跳STA的数据库,并且在通知相邻STA之后建立与其他STA的直接链路,以建立 直接沟通链接