Abstract
Low Earth Orbit (LEO) satellite communication system is widely used in military deployment, field surveys and anti-terrorism activities, which means the transmitted information often has high value and confidentiality. Therefore, the anti-interception performance of LEO satellite system is significant. Single-carrier Deep Spread Spectrum (SC-DSS) signal has inherent advantage in anti-interception because of its large spreading gain, however, series of problems also exist due to the increased bandwidth. Confronting this, we propose a Non-uniform Multicarrier Deep Spread Spectrum (NUMC-DSS) waveform to serve as a superior alternative of SC-DSS. At the transmitter, NUMC-DSS signal could intelligently adjust the bandwidth, central frequency as well as transmitted power of its sub-band to avoid fixed partial-band interferences and get rid of Doppler code offset. At receiver, NUMC-DSS employs selection combining strategy to counteract the adverse effect of dynamic interference. Performance analysis of NUMC-DSS system has been presented with detailed simulation results. Quantitatively, NUMC-DSS could accomplish accurate reception when the jamming-to-signal ratio (JSR) is equal to 50dB at the cost of 0.4dB loss, while SC-DSS signal fails in reception under the same condition.
| Original language | English |
|---|---|
| Title of host publication | Proceedings of 2020 IEEE 4th Information Technology, Networking, Electronic and Automation Control Conference, ITNEC 2020 |
| Editors | Bing Xu, Kefen Mou |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| Pages | 1183-1187 |
| Number of pages | 5 |
| ISBN (Electronic) | 9781728143903 |
| DOIs | |
| Publication status | Published - Jun 2020 |
| Event | 4th IEEE Information Technology, Networking, Electronic and Automation Control Conference, ITNEC 2020 - Chongqing, China Duration: 12 Jun 2020 → 14 Jun 2020 |
Publication series
| Name | Proceedings of 2020 IEEE 4th Information Technology, Networking, Electronic and Automation Control Conference, ITNEC 2020 |
|---|
Conference
| Conference | 4th IEEE Information Technology, Networking, Electronic and Automation Control Conference, ITNEC 2020 |
|---|---|
| Country/Territory | China |
| City | Chongqing |
| Period | 12/06/20 → 14/06/20 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
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SDG 16 Peace, Justice and Strong Institutions
Keywords
- Deep Spread Spectrum
- Doppler effect
- LEO
- NUMC-DSS
- anti-interception
- anti-interference
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