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    • 1. 发明申请
    • EMBEDDED PROTOCOL
    • 嵌入式协议
    • WO1997011565A2
    • 1997-03-27
    • PCT/US1996011695
    • 1996-07-15
    • MOTOROLA INC.
    • MOTOROLA INC.CHAN, Kwok, YinKLEIN, Thomas, L.CRAIG, RonaldMORSE, Gary, J.NELMS, Robert, N.VAN BUSKIRK, James, MarkZHU, Yunhua
    • H04Q00/00
    • H04W88/026
    • The embedded information receiver protocol provides an improved method for transmitting and receiving new or updated individual and multi-recipient messages in selective call receivers. The embedded protocol of the present invention is designed to be compatible with both POCSAG and FLEX signaling protocols and further to be implemented without requiring any changes to paging terminal software. Additionally, according to the present invention, a selective call receiver is provided comprising receiving means for receiving radio messages, a display for displaying information including received messages, user operable input means for controlling functions of the receiver, and storage means for storing messages received, the selective call receiver further comprising means for receiving messages transmitted in the embedded protocol. In general, the protocol is comprised of five field types, however all five fields need not be employed for effective use of the protocol. Additionally, six commands are supported by the embedded protocol, however this set is easily extensible such that the protocol can evolve as needed without modifying the basic protocol structure. The embedded protocol of the present invention minimizes transmission overhead in several ways. Specifically, certain of the commands mentioned permit selective transmission or updating of any portion of an existing message such that changes can be made to a message without retransmitting the entire message. Furthermore, the update type transmission can be applied to any type of message, not just database messages. Another advantage of the present invention is that the message structure can be shortened if certain of the field types are not required to interpret the message.
    • 嵌入式信息接收器协议提供了一种用于在选择性呼叫接收机中发送和接收新的或更新的单个和多个接收者消息的改进方法。 本发明的嵌入式协议被设计为与POCSAG和FLEX信令协议兼容,并且进一步被实现,而不需要对寻呼终端软件进行任何改变。 另外,根据本发明,提供一种选呼接收机,包括接收无线电消息的接收装置,用于显示包括接收消息的信息的显示器,用于控制接收机功能的用户可操作的输入装置,以及用于存储收到的消息的存储装置, 所述选呼接收机还包括用于接收以嵌入协议发送的消息的装置。 通常,该协议由五种类型组成,但是所有五个领域不需要用于有效使用该协议。 另外,嵌入式协议支持六个命令,但是这个集合很容易扩展,使得协议可以根据需要进行演变,而无需修改基本的协议结构。 本发明的嵌入式协议以多种方式使传输开销最小化。 具体来说,所提到的某些命令允许选择性地发送或更新现有消息的任何部分,使得可以对消息进行改变而不重传整个消息。 此外,更新类型传输可以应用于任何类型的消息,而不仅仅是数据库消息。 本发明的另一个优点是如果不需要某些字段类型来解释消息,则可以缩短消息结构。