USD-FH: Jamming-resistant wireless communication using Frequency Hopping with Uncoordinated Seed Disclosure

2010 ◽  
Author(s):  
An Liu ◽  
Peng Ning ◽  
Huaiyu Dai ◽  
Yao Liu
Keyword(s):  
Wireless Communication ◽  
Frequency Hopping

Study of the Frequency Synthesizer in FH Radio Based on CMOS Chip

2013 ◽  
Vol 760-762 ◽  
pp. 329-332
Author(s):  
Hai Xia Yu ◽  
Yan Li Shi ◽  
Xian Jun Gao ◽  
Guang Dong Liang
Keyword(s):  
Wireless Communication ◽  
Basic Principle ◽  
Frequency Synthesizer ◽  
Effective Means ◽  
Frequency Hopping ◽  
Design Scheme ◽  
Cmos Chip ◽  
Fh Communication

The frequency hopping (FH) communication is one of the anti-interference effective means in military wireless communication, the FH number and FH rate of FH radio are the main parameters that determines the performance of the FH radio, these parameters are determined by the structure and the index of the frequency synthesizer, therefore the performance of the FH radio depends very much on the frequency synthesizer, this paper introduces the basic principle of FH radio, the basic methods of frequency synthesizer in the radio, the design scheme frequency synthesizer, and the DDS CMOS chip and the PLL CMOS chip that those used in scheme.

On the Research of Adaptive Frequency Hopping in the Wireless Communication

2013 ◽  
Vol 347-350 ◽  
pp. 2033-2037
Author(s):  
Xiao Hu Liang ◽  
Lei Cheng
Keyword(s):  
Wireless Communication ◽  
Multipath Fading ◽  
Frequency Hopping ◽  
Link Quality ◽  
Quality Analysis ◽  
Practical Application ◽  
Channel Quality ◽  
Quality Analyzer ◽  
Hopping Model ◽  
Interference Problems

The multipath fading and interference problems in the wireless communication lead to the link quality decrease severely. However, the conventional frequency hopping scheme cannot solve the problems in an effective way. Adaptive frequency hopping scheme, which is based on the automatically link quality analysis, can avoid the bad frequencies and guarantee the desired level of channel quality. The system is analyzed based on the adaptive frequency hopping model equipped with link quality analyzer which is different from the traditional one. In the paper, some newly proposed adaptive frequency hopping schemes have been summarized, which provide an important reference for the practical application.

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