Interference suppression for frequency-hopped multiple-access receiver
In this dissertation, frequency hopped multiple access system is studied. Frequency hopped spread spectrum is commonly used in military application which is quite sensitive to interference. In this dissertation, bit error rate performance results of Binary Frequency Shift Keying (BFSK), Fast Freq...
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| Other Authors: | |
| Format: | Thesis |
| Language: | English |
| Published: |
2018
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| Online Access: | http://hdl.handle.net/10356/76280 |
| _version_ | 1824454039561043968 |
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| author | Chitra, Bhupathy |
| author2 | Teh Kah Chan |
| author_facet | Teh Kah Chan Chitra, Bhupathy |
| author_sort | Chitra, Bhupathy |
| collection | NTU |
| description | In this dissertation, frequency hopped multiple access system is studied. Frequency
hopped spread spectrum is commonly used in military application which is quite sensitive to
interference. In this dissertation, bit error rate performance results of Binary Frequency Shift
Keying (BFSK), Fast Frequency Hopped/ Binary Frequency Shift Keying (FFH/BFSK) and
Fast Frequency Hopped Multiple Access (FFH/MA) under Additive White Gaussian Noise
(AWGN), Rician and Rayleigh channels are studied. It also focuses on both intentional
interference and unintentional interference. Partial Band Noise Jamming (PBNJ) and Multiple
Access Interference (MAI) are mainly considered and their effects are studied. To mitigate the
effects, Maximum Likelihood (ML) receiver is used and its performance under fading and nonfading
channels are studied. Bit error rate performance of Maximum likelihood receiver is
compared with linear combining receiver which proves that the ML receiver is better in
performance than the linear combining receiver. The performance-affecting factors such as
number of users, fading channel, number of hops are also considered. |
| first_indexed | 2025-02-19T03:15:58Z |
| format | Thesis |
| id | ntu-10356/76280 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2025-02-19T03:15:58Z |
| publishDate | 2018 |
| record_format | dspace |
| spelling | ntu-10356/762802023-07-04T15:40:16Z Interference suppression for frequency-hopped multiple-access receiver Chitra, Bhupathy Teh Kah Chan School of Electrical and Electronic Engineering DRNTU::Engineering::Electrical and electronic engineering In this dissertation, frequency hopped multiple access system is studied. Frequency hopped spread spectrum is commonly used in military application which is quite sensitive to interference. In this dissertation, bit error rate performance results of Binary Frequency Shift Keying (BFSK), Fast Frequency Hopped/ Binary Frequency Shift Keying (FFH/BFSK) and Fast Frequency Hopped Multiple Access (FFH/MA) under Additive White Gaussian Noise (AWGN), Rician and Rayleigh channels are studied. It also focuses on both intentional interference and unintentional interference. Partial Band Noise Jamming (PBNJ) and Multiple Access Interference (MAI) are mainly considered and their effects are studied. To mitigate the effects, Maximum Likelihood (ML) receiver is used and its performance under fading and nonfading channels are studied. Bit error rate performance of Maximum likelihood receiver is compared with linear combining receiver which proves that the ML receiver is better in performance than the linear combining receiver. The performance-affecting factors such as number of users, fading channel, number of hops are also considered. Master of Science (Communications Engineering) 2018-12-14T05:07:24Z 2018-12-14T05:07:24Z 2018 Thesis http://hdl.handle.net/10356/76280 en 52 p. application/pdf |
| spellingShingle | DRNTU::Engineering::Electrical and electronic engineering Chitra, Bhupathy Interference suppression for frequency-hopped multiple-access receiver |
| title | Interference suppression for frequency-hopped multiple-access receiver |
| title_full | Interference suppression for frequency-hopped multiple-access receiver |
| title_fullStr | Interference suppression for frequency-hopped multiple-access receiver |
| title_full_unstemmed | Interference suppression for frequency-hopped multiple-access receiver |
| title_short | Interference suppression for frequency-hopped multiple-access receiver |
| title_sort | interference suppression for frequency hopped multiple access receiver |
| topic | DRNTU::Engineering::Electrical and electronic engineering |
| url | http://hdl.handle.net/10356/76280 |
| work_keys_str_mv | AT chitrabhupathy interferencesuppressionforfrequencyhoppedmultipleaccessreceiver |