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|Title:||Capacity comparison of multi-element antenna systems|
|Authors:||Zhi, W. |
|Citation:||Zhi, W.,Chin, F.,Ko, C.C. (2003). Capacity comparison of multi-element antenna systems. IEEE Vehicular Technology Conference 57 (1) : 85-88. ScholarBank@NUS Repository.|
|Abstract:||We investigate the capacity of multi-element antenna systems employing three practical techniques, space diversity, spatial multiplexing and beamforming. We compute the capacity of these techniques over flat fading channels. Our results show that spatial multiplexing works better in omnidirectional environment, or equivalent high-rank channel, while beamforming Is fitful for the case of transmit and receive paths being constrained in small angular range, or low-rank channel. Diversity with space-time block coding has similar capacity compared to multiplexing in low-rank channel, but it has capacity loss in high-rank channel due to its transforming the multiple antenna system to single antenna system. Better performance can be obtained by switching the system between different techniques.|
|Source Title:||IEEE Vehicular Technology Conference|
|Appears in Collections:||Staff Publications|
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