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1. 发明授权

US5625351A Messaging system having roaming capability 失效
标题翻译：具有漫游能力的消息系统
公开(公告)号：US5625351A
公开(公告)日：1997-04-29
申请号：US378136
申请日：1995-01-24
申请人： David F. Willard , Barbara D. Laflin , William J. Kuznicki , Mark Aronson , Eric T. Eaton
发明人： David F. Willard , Barbara D. Laflin , William J. Kuznicki , Mark Aronson , Eric T. Eaton
IPC分类号： H04W84/02 , H04B7/26
CPC分类号： H04W84/022
摘要： A messaging system capable of transmitting messages to receivers which roam between coverage areas. In one configuration, a coverage area (100) is divided into a plurality of zones (110). A single simulcast system identification (SSID) number is assigned which consists of a local identification number which identifies the coverage area (100), a zone identifier which identifies a zone (110) within the coverage area, traffic splitting flags and a frequency. For larger roaming areas, a network (200) is defined as consisting of a plurality of service areas (210) and is identified by network roaming identification information (NRI). NRI information and/or SSID information is stored in a receiver according to desired coverage and like information is transmitted in the corresponding zone or service area.
摘要翻译：一种能够向覆盖区域之间漫游的接收机发送消息的消息系统。在一个配置中，覆盖区域（100）被划分为多个区域（110）。分配单个联播系统识别（SSID）号码，其由标识覆盖区域（100）的本地标识号码，标识覆盖区域内的区域（110）的区域标识符，业务分割标志和频率。对于较大的漫游区域，网络（200）被定义为由多个服务区域（210）组成，并且由网络漫游识别信息（NRI）识别。 NRI信息和/或SSID信息根据期望的覆盖存储在接收机中，并且类似的信息在相应的区域或服务区域中传输。

2. 发明授权

US5610919A Network identification information placement architecture for messaging system having roaming capability 失效
标题翻译：具有漫游能力的消息系统的网络识别信息放置架构
公开(公告)号：US5610919A
公开(公告)日：1997-03-11
申请号：US413642
申请日：1995-03-30
申请人： David F. Willard , Eric T. Eaton , Barbara D. Laflin
发明人： David F. Willard , Eric T. Eaton , Barbara D. Laflin
IPC分类号： H04B7/26 , H04W84/02 , H04Q7/08
CPC分类号： H04W84/022
摘要： Network roaming information (NRI), which comprises identifies a network (200) and a service area (210) within the network (200), a receiver address, is transmitted in a network (200) during a predetermined number of time slots of a signal, whereby the signal is transmitted in consecutive cycles, each cycle comprising a plurality of consecutive time slots. The placement of the NRI in the transmitted signal is made to be predicted by a receiver so that the receiver can compute an expected time slot location of a NRI to be compared with a stored NRI. The placement of the NRI is made according to an algebraic relationship between moduloN of the transmission frequency of the signal, moduloN of the order of the cycle, and moduloN of a portion of the NRI, wherein N is an integer.
摘要翻译：包括识别网络（200）内的网络（200）和服务区域（210）的网络漫游信息（NRI）在网络（200）的预定数量的时隙期间在网络（200）中发送接收器地址信号，由此信号以连续的周期发送，每个周期包括多个连续的时隙。将NRI放置在发送的信号中由接收机进行预测，以便接收机可以计算要与存储的NRI进行比较的NRI的期望时隙位置。 NRI的放置根据信号的发送频率的模N（循环的次数的模N）和NRI的一部分的模N的代数关系来进行，其中N是整数。

3. 发明授权

US5600312A Messaging system and method having roaming capability and controlled group messaging 失效
标题翻译：消息传递系统和方法具有漫游能力和受控组消息
公开(公告)号：US5600312A
公开(公告)日：1997-02-04
申请号：US401317
申请日：1995-03-09
申请人： David F. Willard , Robert J. Schwendeman , Eric T. Eaton , Barbara D. Laflin
发明人： David F. Willard , Robert J. Schwendeman , Eric T. Eaton , Barbara D. Laflin
IPC分类号： H04W84/02 , H04Q7/18
CPC分类号： H04W84/022
摘要： A messaging system and method capable of transmitting group messages throughout a Network (200) such that receivers which are outside of a "local" or "home" area of coverage receive such group messages, whereas receivers which are in a "local" area of coverage over ride and do not receive the group message as a result of decoding system identifiers and ignoring those messages having network roaming identification.
摘要翻译：一种能够在整个网络（200）中发送组消息的消息系统和方法，使得在覆盖区域的“本地”或“归属”区域之外的接收者接收到这样的组消息，而位于“ 由于解码系统标识符并忽略了具有网络漫游识别的消息，覆盖范围不能接收组消息。

4. 发明授权

US5635914A Method and apparatus for dynamic group calling in a selective call system 失效
标题翻译：选择性呼叫系统中动态群组呼叫的方法和装置
公开(公告)号：US5635914A
公开(公告)日：1997-06-03
申请号：US516724
申请日：1995-08-18
申请人： David R. Petreye , David F. Willard , Barbara D. Laflin , Marcus A. Gade
发明人： David R. Petreye , David F. Willard , Barbara D. Laflin , Marcus A. Gade
IPC分类号： H04L12/18 , H04M3/42 , H04M11/02 , H04W88/18 , H04Q1/00
CPC分类号： H04W88/187 , H04L12/1818 , H04M11/022 , H04M3/42
摘要： A selective call system provides dynamic group calling by transmitting a paging message (FIG. 10) to each data communication receiver in a defined group. The paging message comprises a group call address (1040) and frame (1050) and phase (1060) information identifying when the group message will be transmitted. The group call message is then transmitted (326, 328) in the assigned frame and phase. When the paging messages comprising the group call address are received (1904) by the data communication receivers, the group call address is decoded and temporarily stored (1910) as an address of the receiver. Within the identified frame and phase, address correlation with the group call address is attempted (1918, 1926) and the group call message, when found (1920), is received and decoded (1922) as a paging message. After reception of the group call message, the group call address and associated stored information is erased (1924).
摘要翻译：选择呼叫系统通过在定义的组中向每个数据通信接收机发送寻呼消息（图10）来提供动态组呼。寻呼消息包括识别何时将发送组消息的组呼叫地址（1040）和帧（1050）以及相位（1060）信息。然后在分配的帧和相位中发送组呼叫消息（326,328）。当由数据通信接收机接收包括组呼呼叫的寻呼消息（1904）时，组呼呼地址被解码并临时存储（1910）作为接收机的地址。在所识别的帧和相位内，尝试与组呼叫地址的地址相关性（1918,1926），当发现（1920）时，组呼呼叫被接收和解码（1922）作为寻呼消息。在接收到组呼叫消息之后，组呼叫地址和相关联的存储信息被擦除（1924）。

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