Invention Grant
US08644788B2 Signal receiver, portable computer and signal acquisition method used in satellite communication system 有权
信号接收机,便携式计算机和信号采集方法用于卫星通信系统

Signal receiver, portable computer and signal acquisition method used in satellite communication system
Abstract:
A signal receiver used in a satellite communication system is provided. The signal receiver comprises a first type code generator, a second type code generator, a composite code generator, a correlation module and a determining module. The first type code generator generates a first type code corresponding to a first type signal. The second type code generator generates a second type code corresponding to a second type signal and having a code length N-time longer than that of the first type code. The composite code generator generates a composite code by superimposing N successive first type codes on the second type code. The correlation module correlates the composite code with a cell of a received signal to generate correlation results. The determining module determines a type of the received signal according to correlation results of the composite code with the received signal.
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