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This paper exploits the performance of three types of beamforming techniques over the 60 GHz orthogonal frequency division multiplexing (OFDM) based wireless personal area networks (WPANs). The effective SNR over typical IEEE 802.11ad channel models is used as the criterion to compare the beamforming performance. Symbol-wise beamforming reduces the complexity considerably compared to subcarrier-wise...
This paper examines a novel multichannel multi-antenna-based cross-tier interference coordination strategy for two-tier femtocell networks. To reduce the cross-tier interference and improve the aggregate throughput of two-tier femtocell networks without exchanging feedback information by backhauling, we propose a beamforming codebook restriction strategy. The beamforming codebook restriction strategy...
In recent years, smart antenna technologies are of ever-increasing interest to boost the capacity of existing and future wireless systems. Several standards support these techniques such as the wireless metropolitan area network IEEE 802.16 (WiMAX) and IMT-Advanced candidates. In applying smart antenna beamforming and Space Division Multiple Access (SDMA) techniques, adaptive antennas are able to...
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