Communication method based on GMSK modulation and method for detecting fixed frequency
A fixed frequency, communication method technology, applied in the direction of modulated carrier system, digital transmission system, multi-carrier system, etc., can solve the problems of poor transmission performance of GMSK radio frequency channel, influence on base station reception, poor communication quality, etc., to improve signal transmission performance, avoidance of transmission interference, and optimization of communication quality
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[0043] In order to make the purpose, features and effects of the present invention more obvious and understandable, the specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0044] Many specific details are set forth in the following description to facilitate a full understanding of the present invention, but the present invention can also be implemented in other ways than described here, so the present invention is not limited by the specific embodiments disclosed below.
[0045] It is known based on the prior art that in the GSM cellular mobile communication system, services are divided into voice services and data services. In wireless transmission, both the voice service and the data service adopt the GMSK modulation method. GMSK modulation has the advantages of constant envelope and small out-of-band radiation, which meets the needs of voice services and some low-speed data services, but...
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