A Method for Generating Frequency Hopping Sequences with Non-uniform Arbitrary Probability Distribution

Abstract

The invention discloses a method for generating a frequency hopping sequence with non-uniform arbitrary probability distribution. The method uses binary random sequences of "0" and "1" generated with equal probability to form several uniformly distributed address signals of K bits, which are used for From the sequence sample data generated by any given probability density function or distribution function, read the frequency hopping point data stored in the sample data table, so as to obtain the frequency hopping sequence corresponding to the given probability distribution; the frequency hopping sequence generated in this way The point distribution can satisfy any given probability distribution, and has good Hamming correlation and randomness, and its anti-interference and anti-deciphering ability is strong; the principle of the method is clear, and it has strong feasibility in engineering; the present invention The method can effectively control the number of frequency hopping signals appearing in different frequency bands, and can effectively avoid interference frequency points according to the channel quality, thereby improving the communication quality of the frequency hopping communication system, so it is suitable for communication environments with complex electromagnetic environments.

Description

technical field [0001] The invention belongs to the field of data communication, and in particular relates to a frequency hopping sequence generation technology. Background technique [0002] Frequency hopping communication refers to the communication mode in which the carrier of the transmission signal is constantly hopping under the control of a pseudo-random code. be widely used. [0003] The construction algorithm of frequency hopping sequence is the core of frequency hopping communication design. In recent years, there have been many studies on the construction methods of frequency hopping sequences: construction methods based on m-sequences, construction methods based on RS codes, construction methods based on chaotic sequences, construction methods based on prime number sequences, construction methods based on GMW sequences, and bent-based Function construction method, construction method based on TOD algorithm, etc. The frequency hopping sequences generated by the...

AI Technical Summary

Problems solved by technology

However, when there is serious interference to some frequency points in the continuous communication frequency band, the communication signals in these frequency bands will also be interfered, which will seriously affect the quality of frequency hopping communication

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