CAPS satellite spread spectrum communication blind multi-user detecting system based on chaotic sequences
Multiple Path Interference (MPI) and Multiple Access Interference (MAI) are important factors that affect the performance of Chinese Area Positioning System (CAPS). These problems can be solved by using spreading sequences with ideal properties and multi-user detectors. Chaotic sequences based on Ch...
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| Veröffentlicht in: | Science China. Physics, mechanics & astronomy mechanics & astronomy, 2009-03, Vol.52 (3), p.339-345 |
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| container_title | Science China. Physics, mechanics & astronomy |
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| creator | Lei, LiHua Shi, HuLi Ma, GuanYi |
| description | Multiple Path Interference (MPI) and Multiple Access Interference (MAI) are important factors that affect the performance of Chinese Area Positioning System (CAPS). These problems can be solved by using spreading sequences with ideal properties and multi-user detectors. Chaotic sequences based on Chebyshev map are studied and the satellite communication system model is set up to investigate the application of chaotic sequences for CAPS in this paper. Simulation results show that chaotic sequences have desirable correlation properties and it is easy to generate a large number of chaotic sequences with good security. It has great practical value to apply chaotic sequences to CAPS together with multi-user detecting technology and the system performance can be improved greatly. |
| doi_str_mv | 10.1007/s11433-009-0050-0 |
| format | Article |
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| subjects | Access Astronomy blind Chaos theory chaotic Chebyshev Chebyshev approximation Classical and Continuum Physics Communications systems detection Interference MAI MPI Multiple Observations and Techniques Path Physics Physics and Astronomy Satellite communications Sequences Spread spectrum transmission |
| title | CAPS satellite spread spectrum communication blind multi-user detecting system based on chaotic sequences |
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