SYNCHRONOUS SELECTIVE SIGNALLING SYSTEM

摘要

A paging signalling system communicates messages via a synchronous signal. The s ynchronous signal is divided into a plurality of frames (100) in which selective groups of pagers decode. A signal ( 102) within the frame (100) causes groups of pagers to decode in various frame (104, 106), wherein several groups of pagers may be comb ined into a signal frame to decode messages (110). Embodiments of the invention include first type of a plurality of groups of pagers, each group having a common maximum frame rate, a second type of a single group of pagers having a unique maximum fr ame rate, and a third type of a single group of pagers having no maximum frame rate. The three types of groups may decode the sy nchronous signal.