| 摘要 |
<p>Network roaming information (NRI), which 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 an NRI to be compared with a stored NRI. The placement of the NRI is made according to an algebraic relationship between modulo N of the transmission frequency of the signal, modulo N of the order of the cycle, and modulo N of a portion of the NRI, wherein N is an integer.</p> |
