SNR measurement in a beamforming network
Array antennas with integrated low noise amplifiers have been combined with a butler matrix (BM) to form a beamforming network that can improve the performance of wireless communication systems. The performance of a four-element array with and without the low noise amplifiers and with and without th...
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| Format: | Article |
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JOHN WILEY & SONS INC, 111 RIVER ST, HOBOKEN, NJ 07030 USA
2007
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| Online Access: | http://eprints.utm.my/8675/ |
| _version_ | 1848891739534786560 |
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| author | Abdul Rahim, Sharul Kamal Gardner, Peter |
| author_facet | Abdul Rahim, Sharul Kamal Gardner, Peter |
| author_sort | Abdul Rahim, Sharul Kamal |
| building | UTeM Institutional Repository |
| collection | Online Access |
| description | Array antennas with integrated low noise amplifiers have been combined with a butler matrix (BM) to form a beamforming network that can improve the performance of wireless communication systems. The performance of a four-element array with and without the low noise amplifiers and with and without the BM have been evaluated, in terms of the measured signal to noise ratio (SNR) at each output port. These SNR output signals are then combined to calculate and compare the diversity gains available with selection combining and maximal ratio combining. The results show that selecting the strongest output from the BM gives SNR performance comparable with that of maximal ratio combining, when LNAs are used to compensate for the BM loss. |
| first_indexed | 2025-11-15T21:02:45Z |
| format | Article |
| id | utm-8675 |
| institution | Universiti Teknologi Malaysia |
| institution_category | Local University |
| last_indexed | 2025-11-15T21:02:45Z |
| publishDate | 2007 |
| publisher | JOHN WILEY & SONS INC, 111 RIVER ST, HOBOKEN, NJ 07030 USA |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | utm-86752009-07-27T05:00:28Z http://eprints.utm.my/8675/ SNR measurement in a beamforming network Abdul Rahim, Sharul Kamal Gardner, Peter TK Electrical engineering. Electronics Nuclear engineering Array antennas with integrated low noise amplifiers have been combined with a butler matrix (BM) to form a beamforming network that can improve the performance of wireless communication systems. The performance of a four-element array with and without the low noise amplifiers and with and without the BM have been evaluated, in terms of the measured signal to noise ratio (SNR) at each output port. These SNR output signals are then combined to calculate and compare the diversity gains available with selection combining and maximal ratio combining. The results show that selecting the strongest output from the BM gives SNR performance comparable with that of maximal ratio combining, when LNAs are used to compensate for the BM loss. JOHN WILEY & SONS INC, 111 RIVER ST, HOBOKEN, NJ 07030 USA 2007 Article PeerReviewed Abdul Rahim, Sharul Kamal and Gardner, Peter (2007) SNR measurement in a beamforming network. Microwave and Optical Technology Letters, 49 (12). pp. 2968-2973. ISSN 0895-2477 http://dx.doi.org/10.1002/mop.22914 10.1002/mop.22914 |
| spellingShingle | TK Electrical engineering. Electronics Nuclear engineering Abdul Rahim, Sharul Kamal Gardner, Peter SNR measurement in a beamforming network |
| title | SNR measurement in a beamforming network |
| title_full | SNR measurement in a beamforming network |
| title_fullStr | SNR measurement in a beamforming network |
| title_full_unstemmed | SNR measurement in a beamforming network |
| title_short | SNR measurement in a beamforming network |
| title_sort | snr measurement in a beamforming network |
| topic | TK Electrical engineering. Electronics Nuclear engineering |
| url | http://eprints.utm.my/8675/ http://eprints.utm.my/8675/ http://eprints.utm.my/8675/ |