Time-frequency hopping sequences with three no hit zones |
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| Authors: | Xianyang Jiang Chao Zhang Jianhua Lu |
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| Affiliation: | (1) Department of Electronic Engineering, Tsinghua University, Beijing, 100084, P.R. China;(2) School of Aerospace, Tsinghua University, Beijing, 100084, P.R. China |
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| Abstract: | Based on the idea of no hit zone (NHZ) in frequency hopping (FH) systems, new sequences with three no hit zones (T-NHZ) in
time-frequency hopping (TFH) systems are presented. With the T-NHZ in the time- frequency (TF) correlation functions, the
proposed T-NHZ sequences can be directly employed in time-frequency hopping code division multiple access (TFH-CDMA) communication
systems to reduce or eliminate multipath interference. Simulation results show that T-NHZ sequences can achieve much better
bit error performance than the NHZ sequences and the traditional FH sequences.
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| Keywords: | T-NHZ NHZ ZCZ Time-frequency hopping Sequence design |
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