691 search results - page 88 / 139 » Communicating Under Channel Uncertainty |
120
Voted
ICC
2007
IEEE
15 years 10 months ago
2007
IEEE
— An exact and closed-form expression for the average bit error rate (BER) of coherent binary phase-shift keying (BPSK) using maximal ratio combining (MRC) in the presence of mul...
124
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ICC
2007
IEEE
15 years 10 months ago
2007
IEEE
— In this paper, we propose a new carrier frequency offset (CFO) tracking algorithm for orthogonal frequency division multiplexing (OFDM) systems. Assuming that the channel remai...
137
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INFOCOM
2007
IEEE
15 years 10 months ago
2007
IEEE
—In this paper, we extend both Bianchi’s and Kumar’s models and characterize the channel activities governed by IEEE 802.11 DCF in multi-hop wireless networks from the perspe...
125
Voted
AICT
2006
IEEE
15 years 9 months ago
2006
IEEE
IEEE 802.11e is a wireless local area networking standard introducing quality of service. It defines new MAC protocols, mainly HCF and EDCF. EDCF is a contentionbased channel acce...
118
Voted
INFOCOM
2006
IEEE
15 years 9 months ago
2006
IEEE
— Direction estimation inside buildings is a difficult and challenging task due to severe multipath signal propagation. Numerous algorithms and techniques exist that provide hig...