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21. 发明授权

US5796784A Method and apparatus for modifying amplitude of at least one symbol 失效
标题翻译：用于修改至少一个符号的振幅的方法和装置
公开(公告)号：US5796784A
公开(公告)日：1998-08-18
申请号：US624042
申请日：1996-03-27
申请人： Robert D. LoGalbo , Donald G. Newberg , Bradley M. Hiben
发明人： Robert D. LoGalbo , Donald G. Newberg , Bradley M. Hiben
IPC分类号： H04L27/34 , H04L27/36 , H04L27/20
CPC分类号： H04L27/3488
摘要： 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.
摘要翻译：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。

22. 发明授权

US5719903A Method and apparatus for receiving symbols 失效
标题翻译：用于接收符号的方法和装置
公开(公告)号：US5719903A
公开(公告)日：1998-02-17
申请号：US495954
申请日：1995-06-28
申请人： Bradley M. Hiben , Donald G. Newberg , Robert D. LoGalbo
发明人： Bradley M. Hiben , Donald G. Newberg , Robert D. LoGalbo
IPC分类号： H04L25/06 , H04L27/00 , H04L27/22 , H03D3/00 , H03K9/06
CPC分类号： H04L27/22 , H04L25/061 , H04L27/0008
摘要： Delayed symbols (204), including a current symbol (205), are compared by a comparator (206) with at least one predetermined pattern when the current symbol is equivalent to one of a set of predetermined values. Alternatively, a sign of the current symbol is compared with signs of a previous and a subsequent symbol when the current symbol is equivalent to one of the set of predetermined values. When the current symbol is equivalent to one of the set of predetermined values and when either the delayed symbols are equivalent to one of the at least one predetermined pattern or the sign of the current symbol matches the signs of the previous and subsequent symbols, a symbol corrector (208) applies a predetermined function to the current symbol to produce a received symbol (210).
摘要翻译：包括当前符号（205）的延迟符号（204）在当前符号等同于一组预定值之中时，由具有至少一个预定模式的比较器（206）进行比较。或者，当当前符号等同于该组预定值之一时，将当前符号的符号与先前和后续符号的符号进行比较。当当前符号等于该组预定值中的一个时，并且当延迟符号等于至少一个预定模式中的一个或当前符号的符号与先前和后续符号的符号匹配时，符号校正器（208）将预定函数应用于当前符号以产生接收符号（210）。

23. 发明授权

US5423059A Method for enhancing signal quality in a simulcast communication system 失效
标题翻译：一种提高联播通信系统信号质量的方法
公开(公告)号：US5423059A
公开(公告)日：1995-06-06
申请号：US98880
申请日：1993-07-29
申请人： Robert D. LoGalbo , Bradley M. Hiben , Mark C. Cudak
发明人： Robert D. LoGalbo , Bradley M. Hiben , Mark C. Cudak
IPC分类号： H04B7/06 , H04H20/67 , H04L1/24 , H04B7/00
CPC分类号： H04H20/67 , H04B7/0671 , H04L1/24
摘要： In a simulcast communication system (100), a communication unit (110-115) may request enhanced coverage area services by transmitting a request for enhanced signal quality to a central simulcast controller (101). Upon receipt, the central simulcast controller (101) identifies, based on information pertaining to the location of the communication unit, a set of transmitters (102-109) to enhance coverage in the area of the communication unit. The central simulcast controller determines enhanced coverage area delays for each of the transmitters and adjusts the respective delays of each transmitter such that transmitted signal quality is enhanced at the location of the communication unit.
摘要翻译：在联播通信系统（100）中，通信单元（110-115）可以通过向中央联播控制器（101）发送增强信号质量的请求来请求增强的覆盖区域服务。在接收时，中央联播控制器（101）基于与通信单元的位置相关的信息来识别一组发射机（102-109），以增强通信单元的区域中的覆盖。中央联播控制器确定每个发射机的增强的覆盖区域延迟，并且调整每个发射机的相应延迟，使得在通信单元的位置增强发射的信号质量。

24. 发明授权

US5220676A Synchronization method and apparatus 失效
标题翻译：同步方法和装置
公开(公告)号：US5220676A
公开(公告)日：1993-06-15
申请号：US687815
申请日：1991-04-19
申请人： Robert D. LoGalbo , Mark C. Cudak , Bradley M. Hiben
发明人： Robert D. LoGalbo , Mark C. Cudak , Bradley M. Hiben
IPC分类号： H04H20/67
CPC分类号： H04H20/67
摘要： An improved synchronization method and apparatus, according to the invention, is provided. According to the invention, in a simulcast system having a remote site receiving frames from a base site, each frame containing a predetermined number (k) of transmit sample periods, and the transmit sample clock and remote synchronization clock frequencies known (f.sub.tx and f.sub.pps respectively), the remote site synchronizes a frame as follows. First, it receives a frame from the base site. Second, it determines the sequence number n for the frame. Third, it determines the launch time the first frame was to be broadcast from the remote site. Fourth, it computes a realignment time based on [(n-1)*(k)+launch time for first frame] MOD (f.sub.tx f.sub.pps). Fifth, it transmits the first bit of the frame at the realignment time.
摘要翻译：提供了根据本发明的改进的同步方法和装置。根据本发明，在具有从基站接收帧的远程站点的同播系统中，每个帧包含预定数量（k）个发射采样周期，并且已知传输采样时钟和远程同步时钟频率（分别为ftx和fpps ），远程站点如下同步帧。首先，它从基站接收到一个帧。其次，它确定帧的序列号n。第三，它确定从远程站点广播第一帧的发射时间。第四，它基于[（n-1）*（k）+第一帧的发射时间] MOD（ftxfpps）计算重新调整时间。第五，它在重新调整时间传输帧的第一位。

25. 发明授权

US07002985B2 Method and apparatus for organizing and scheduling multimedia data transfers over a wireless channel 有权
标题翻译：通过无线信道组织和调度多媒体数据传输的方法和装置
公开(公告)号：US07002985B2
公开(公告)日：2006-02-21
申请号：US09760985
申请日：2001-01-16
申请人： Gregory A. Dertz , Alan P. Conrad , Robert D. LoGalbo , John B. Preston , Tyrone D. Bekiares , Donald G. Newberg
发明人： Gregory A. Dertz , Alan P. Conrad , Robert D. LoGalbo , John B. Preston , Tyrone D. Bekiares , Donald G. Newberg
IPC分类号： H04L12/43
CPC分类号： H04W72/1242
摘要： A radio frequency communications system (100) includes wireless terminals (102) and base sites (104). The wireless terminals communicate with the base sites over a radio frequency channel (106). The base sites are interconnected to each other and other network elements via a packet network. The communication system has a radio frequency channel (400) with time slots (406, 408) for transmission of both delay-sensitive data, such as streaming audio and video, and non-delay-sensitive data. A method and apparatus are provided for determining whether a time slot in the radio frequency channel is to be allocated to delay-sensitive data or non-delay-sensitive data (704, 706, 708). Each packet of data transmitted over the wireless channel has a type of service field (900). The type of service field has a precedence or priority value (902) and a service type (904). The priority values are used to determine which packet should be transmitted across the radio frequency channel next and the service type determines the transmission protocol.
摘要翻译：射频通信系统（100）包括无线终端（102）和基站（104）。无线终端通过射频信道（106）与基站通信。基站经由分组网络彼此互连和其它网络元件。通信系统具有用于传输诸如流式音频和视频之类的延迟敏感数据以及非延迟敏感数据的具有时隙（406,408）的射频信道（400）。提供一种方法和装置，用于确定射频信道中的时隙是否被分配给延迟敏感数据或非延迟敏感数据（704,706,708）。通过无线信道发送的每个数据分组具有一种服务字段（900）。服务类型具有优先级或优先权值（902）和服务类型（904）。优先级值用于确定哪个分组应在下一个射频信道上传输，业务类型决定传输协议。

26. 发明授权

US08850194B2 System and methods for providing multi-hop access in a communications network 有权
标题翻译：在通信网络中提供多跳接入的系统和方法
公开(公告)号：US08850194B2
公开(公告)日：2014-09-30
申请号：US11108999
申请日：2005-04-19
申请人： Anthony R. Metke , Robert D. LoGalbo
发明人： Anthony R. Metke , Robert D. LoGalbo
IPC分类号： H04L29/06 , H04W12/06 , H04W40/22 , H04W84/22 , H04W88/04
CPC分类号： H04L63/162 , H04L63/08 , H04L63/0892 , H04W12/06 , H04W40/22 , H04W84/22 , H04W88/04
摘要： A system and methods for providing a supplicant access to a communications network are disclosed. An authenticator receives an authentication request at an authenticator (210) from the supplicant. A state is created based on the authentication request at the authenticator (210). The authentication request is relayed towards a prime authenticator (215) where the prime authenticator is connected to an authentication server. Finally, the authenticator (215) receives authentication information from the prime authenticator and fulfills the authentication request using the authentication information.
摘要翻译：公开了一种用于提供对通信网络的请求者访问的系统和方法。认证者在认证者（210）从请求方接收认证请求。基于认证器（210）的认证请求创建状态。认证请求被中继到主认证器（215），其中主认证器连接到认证服务器。最后，认证器（215）从主认证器接收认证信息，并使用认证信息来执行认证请求。

27. 发明授权

US07492734B2 Method of access to a channelized network from a packet data network 有权
标题翻译：从分组数据网络访问信道化网络的方法
公开(公告)号：US07492734B2
公开(公告)日：2009-02-17
申请号：US11117191
申请日：2005-04-28
申请人： James E. Mathis , Robert A. Biggs , Gary W. Grube , Matthew C. Keller , Robert D. LoGalbo , Daniel J. McDonald , Donald G. Newberg , Brian R. Poe
发明人： James E. Mathis , Robert A. Biggs , Gary W. Grube , Matthew C. Keller , Robert D. LoGalbo , Daniel J. McDonald , Donald G. Newberg , Brian R. Poe
IPC分类号： H04Q7/00
CPC分类号： H04W92/02 , H04W76/10 , H04W88/16
摘要： A method for providing a mobile device in a packet data network access to a channelized network is disclosed. At a gateway between the two networks, a first channelized network message that is encapsulated in a first IP data packet from the packet data network is received. The first channelized network message is retrieved and reformatted for sending over the channelized network. The gateway then receives a second channelized network message from the channelized network. An identifier of a mobile device associated with the second channelized network message is retrieved and an IP address for the identified mobile device is determined. Then, the gateway encapsulates the second channelized network message into a second IP data packet and sends the encapsulated second channelized network message to the identified mobile device in the packet data network.
摘要翻译：公开了一种用于在分组数据网络中提供移动设备以访问信道化网络的方法。在两个网络之间的网关处，接收从分组数据网络封装在第一IP数据分组中的第一信道化网络消息。第一个信道化网络消息被检索并重新格式化，用于通过信道化网络发送。然后，网关从信道化网络接收第二信道化网络消息。检索与第二信道化网络消息相关联的移动设备的标识符，并且确定所识别的移动设备的IP地址。然后，网关将第二信道化网络消息封装成第二IP数据分组，并将封装的第二信道化网络消息发送到分组数据网络中识别的移动设备。

28. 发明授权

US07058030B2 Method for performing a seamless handoff in a communication system 有权
标题翻译：在通信系统中执行无缝切换的方法
公开(公告)号：US07058030B2
公开(公告)日：2006-06-06
申请号：US10622048
申请日：2003-07-17
申请人： Randy L. Ekl , George Popovich , Shmuel Silverman , Robert D. LoGalbo
发明人： Randy L. Ekl , George Popovich , Shmuel Silverman , Robert D. LoGalbo
IPC分类号： H04Q7/00
CPC分类号： H04W36/30
摘要： Disclosed is a method for performing handoff in a communication system of access points and a mobile station, where the mobile station is associated with a first access point. The first access point receives a first transmission at a first signal quality from the mobile station and receives a second transmission that indicates a second signal quality at which a second access point is receiving transmissions from the mobile station. The first access point compares the first signal quality with the second signal quality and when the second signal quality is greater than the first signal quality, the first access point signals the second access point to initiate a handoff with the mobile station. The second access point responds by sending a disassociation message to the mobile station to disassociate with the first access point, wherein the disassociation message is addressed as if it originated from the first access point.
摘要翻译：公开了一种在接入点和移动台的通信系统中执行切换的方法，其中移动台与第一接入点相关联。第一接入点以来自移动台的第一信号质量接收第一传输，并接收指示第二接入点正在从移动台接收传输的第二信号质量的第二传输。第一接入点将第一信号质量与第二信号质量进行比较，并且当第二信号质量大于第一信号质量时，第一接入点向第二接入点发信号以发起与移动台的切换。所述第二接入点通过向所述移动台发送解除关联消息来响应，以与所述第一接入点分离，其中所述解除关闭消息被寻址，就好像其来自所述第一接入点。

29. 发明授权

US07801526B2 Methods for informing subscribers of adjacent sites 有权
标题翻译：通知相邻站点用户的方法
公开(公告)号：US07801526B2
公开(公告)日：2010-09-21
申请号：US11092089
申请日：2005-03-29
申请人： Donald G. Newberg , Robert A. Biggs , Matthew C. Keller , Robert D. LoGalbo , James E. Mathis , Daniel J. McDonald
发明人： Donald G. Newberg , Robert A. Biggs , Matthew C. Keller , Robert D. LoGalbo , James E. Mathis , Daniel J. McDonald
IPC分类号： H04W4/00
CPC分类号： H04W48/14 , H04W36/0061 , H04W88/16
摘要： Methods for informing a mobile device of adjacent sites in a RF communication system wherein the RF communication system comprises a first network and a second network are disclosed. A mobile device in the first network of the RF communication system updates a signaling gateway with position information of the mobile device wherein the signaling gateway interfaces between the first network and the second network and receives a list of adjacent sites in the second network from the signaling gateway.
摘要翻译：在RF通信系统中通知移动设备相邻站点的方法，其中RF通信系统包括第一网络和第二网络。 RF通信系统的第一网络中的移动设备使用移动设备的位置信息来更新信令网关，其中信令网关在第一网络和第二网络之间接口，并从信令中接收第二网络中的相邻站点的列表网关

30. 发明授权

US07562148B2 Distributed domain name service 有权
标题翻译：分布式域名服务
公开(公告)号：US07562148B2
公开(公告)日：2009-07-14
申请号：US11018301
申请日：2004-12-21
申请人： Anthony R. Metke , Robert D. LoGalbo , Aparna Pandey
发明人： Anthony R. Metke , Robert D. LoGalbo , Aparna Pandey
IPC分类号： G06F15/16
CPC分类号： H04L61/1511 , H04L29/12018 , H04L29/12066 , H04L61/10
摘要： Distributed DNS in a wireless communication network comprising broadcasting by a first node a request message to a second node is disclosed. The request message comprises a hostname of the second node. The first node forwards the request message to the second node through intermediate nodes in the wireless communication network and the second node transmits a response message to the first node. The response message comprises a MAC address of the second node.
摘要翻译：公开了一种在无线通信网络中的分布式DNS，包括由第一节点广播向第二节点的请求消息。请求消息包括第二节点的主机名。第一节点通过无线通信网络中的中间节点将请求消息转发到第二节点，而第二节点向第一节点发送响应消息。响应消息包括第二节点的MAC地址。

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