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    • 3. 发明授权
    • Mechanism for repeater error mitigation
    • 中继器误差减轻机制
    • US5805612A
    • 1998-09-08
    • US524491
    • 1995-09-07
    • Donald G. NewbergBradley M. HibenRobert D. LoGalbo
    • Donald G. NewbergBradley M. HibenRobert D. LoGalbo
    • H04L1/00
    • H04L1/0057
    • An APCO 25 radio communication system 200 includes a repeater 101 arranged to receive signals from an inbound repeater link 103, thereby forming received signals. The repeater 101 is arranged to forward the received signals to a subscriber 121 via an outbound radio frequency path 113. The received signals include two types of packets, namely, packets 105 with correctable errors 107, and "erasure packets"109 with detectable-but-uncorrectable errors 111. The inbound repeater link is equipped with error correcting means 110 for correcting the correctable errors 107. The inbound repeater link is also equipped with error mitigating means 130 for mitigating the detectable-but-uncorrectable errors 111. The error mitigation is performed in accordance with the improved multi-band excitation ("IMBE") process.
    • APCO 25无线电通信系统200包括被布置成从入站中继器链路103接收信号的中继器101,从而形成接收信号。 中继器101被布置成经由出站射频路径113将接收到的信号转发给用户121.接收到的信号包括两种类型的分组,即具有可校正错误的分组105,以及具有可检测但是的“擦除分组”109 入站中继器链路配备有用于校正可校正错误107的错误校正装置110.入站中继器链路还配备有用于减轻可检测但不可校正的错误111的误差减轻装置130.错误减轻是 根据改进的多频带激励(“IMBE”)过程进行。
    • 4. 发明授权
    • Method and apparatus for modifying amplitude of at least one symbol
    • 用于修改至少一个符号的振幅的方法和装置
    • US5796784A
    • 1998-08-18
    • US624042
    • 1996-03-27
    • Robert D. LoGalboDonald G. NewbergBradley M. Hiben
    • Robert D. LoGalboDonald G. NewbergBradley M. Hiben
    • H04L27/34H04L27/36H04L27/20
    • H04L27/3488
    • In a modulator (300), a symbol weight determiner (301) determines a scaling factor (310) for at least one symbol (308). An integrator (303) and a complex symbol generator (305) operate to produce at least one complex symbol (314) based on the at least one symbol. The scaling factor (310) is used to scale the at least one complex symbol. In one embodiment, a scaler (307) comprises a gain-modifiable amplifier (609) and, in a second embodiment, the scaler comprises a gain-modifiable filter (809). When such a modulator is incorporated into an RF communication device (600, 800), the energy used to transmit any given symbol can be varied according to the relative importance of that symbol. Additionally, the overall received sensitivity of a communication, at a given signal strength, can be improved.
    • 在调制器(300)中,符号权重确定器(301)确定至少一个符号(308)的缩放因子(310)。 基于该至少一个符号,积分器(303)和复合符号发生器(305)操作以产生至少一个复合符号(314)。 缩放因子(310)用于缩放至少一个复合符号。 在一个实施例中,缩放器(307)包括可增益修改的放大器(609),并且在第二实施例中,缩放器包括增益可修改的滤波器(809)。 当这种调制器被并入RF通信设备(600,800)中时,用于发送任何给定符号的能量可以根据该符号的相对重要性而变化。 此外,可以提高在给定信号强度下的通信的总体接收灵敏度。
    • 6. 发明授权
    • Method for peer to peer subscriber registration and affiliation
    • 对等用户注册和归属方法
    • US08370417B2
    • 2013-02-05
    • US12165006
    • 2008-06-30
    • Robert D. LoGalboBradley M. HibenSubhash P. Nair
    • Robert D. LoGalboBradley M. HibenSubhash P. Nair
    • G06F15/16
    • H04W60/00H04W92/18
    • A method for subscriber registration and affiliation in a peer to peer wide area network is provided. The peer to peer wide area network includes at least one Subscriber and a plurality of Peers. The method includes: communicating a registration and affiliation message including a Subscriber Registration Affiliation Index from a Subscriber to a Peer of the plurality of Peers; routing a registration and affiliation update message including a Peer Registration Affiliation Index equal to the received Subscriber Registration Affiliation Index from the Peer to other Peers of the plurality of Peers; comparing the received Peer Registration Affiliation Index with one or more other received Peer Registration Affiliation Indexes by each of the plurality of Peers; and selecting by each of the plurality of Peers a Peer Registration Affiliation for the Subscriber corresponding to a highest value Peer Registration Affiliation Index.
    • 提供了一种用于对等广域网中用户注册和归属的方法。 对等广域网包括至少一个用户和多个对等体。 该方法包括:将来自用户的注册和归属消息包括订户注册关联索引传送到多个对等体的对等体; 将包括与所接收的订户注册关联索引相等的对等体注册关联索引从所述多个对等体路由到其他对等体的注册和归属更新消息; 将所接收到的对等体注册关联索引与多个对等体中的每一个的一个或多个其他接收的对等体注册关联索引进行比较; 并且由多个对等体中的每一个选择对应于最高值对等体注册关联索引的用户的对等体注册关联。
    • 7. 发明授权
    • System and method for peer-to-peer wide area network communication
    • 用于对等广域网通信的系统和方法
    • US08189583B2
    • 2012-05-29
    • US12240966
    • 2008-09-29
    • Robert D. LoGalboBradley M. Hiben
    • Robert D. LoGalboBradley M. Hiben
    • H04L12/56
    • H04W4/08H04W8/186
    • A method of operating a peer to facilitate fast group communication between subscribers in a peer-to-peer wide area network is disclosed. In the peer-to-peer wide area network, each of the subscribers are affiliated to a talkgroup, and further registered to at least one peer within the peer-to-peer wide area network. In operation, the peer exchanges messages with other peers to determine that one or more peers listed in a talkgroup topology is still active. When the peer receives a media for a talkgroup from a subscriber affiliated to the talkgroup, the peer duplicates the media for the talkgroup, and unicasts the duplicate media to the one or more peers that are listed as active in the talkgroup topology to enable the one or more peers to deliver the media to the respectively registered subscribers affiliated to the talkgroup.
    • 公开了一种操作对等体以促进对等广域网中用户之间的快速组通信的方法。 在对等广域网中,每个用户隶属于一个通话组,并进一步向对等广域网中的至少一个对等体注册。 在操作中,对等体与其他对等体交换消息以确定在通话组拓扑中列出的一个或多个对等方仍然是活动的。 当对等体接收到来自与会话组的用户的通话组的媒体时,对等体复制用于通话组的媒体,并且将该重复媒体单播到在通话组拓扑中被列为活动的一个或多个对等体,以使一个 或更多的对等方将媒体传送到与该会话群组相关联的分别注册的用户。
    • 10. 发明申请
    • METHOD AND SYSTEM FOR PEER TO PEER WIDE AREA NETWORK COMMUNICATION
    • 与同行广域网通信的方法和系统
    • US20100322137A1
    • 2010-12-23
    • US12870007
    • 2010-08-27
    • Robert D. LoGalboBradley M. Hiben
    • Robert D. LoGalboBradley M. Hiben
    • H04H20/71H04W84/02
    • H04L65/4046H04W84/10H04W92/045
    • A method and system for peer to peer wide area network communication is provided. A peer in the network receives one or more media and one or more associated control signaling from any one of a plurality of Logical Media/Control Channels, wherein each Logical Media/Control Channel is associated with a Transport Resource on a base station; formats the media into a Formatted Media Packet; formats the control signaling into an Internet Peer to Peer Control Signaling; concatenates the Formatted Media with the Internet-Peer to Peer Control Signaling to form a Concatenated Packet comprising an Internet-Peer to Peer Control Signaling and a Media Packet; duplicates the Concatenated Packet, thereby forming a duplicated Concatenated Packet comprising at least one of a unicast packet and a multicast packet; and transmits the duplicated Concatenated Packets via the wide area network.
    • 提供了一种用于对等广域网通信的方法和系统。 网络中的对等体从多个逻辑媒体/控制信道中的任何一个接收一个或多个媒体和一个或多个相关联的控制信令,其中每个逻辑媒体/控制信道与基站上的传输资源相关联; 将媒体格式化为格式化媒体包; 将控制信令格式化成互联网对等控制信令; 将格式化媒体与互联网对等控制信令连接以形成包括因特网对等控制信令和媒体分组的连接分组; 复制连续分组,从而形成包括单播分组和多播分组中的至少一个的复制连接分组; 并通过广域网传输复制的级联数据包。