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» Communicating Under Channel Uncertainty
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ICC
2007
IEEE
178views Communications» more  ICC 2007»
14 years 3 months ago
Closed-Form BER Expressions for BPSK Using MRC with Multiple Interferers in Arbitrarily Correlated Rayleigh Fading
— 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...
Xiaodi Zhang, Norman C. Beaulieu
ICC
2007
IEEE
14 years 3 months ago
Frequency Offset Tracking for OFDM Systems via Scattered Pilots and Virtual Carriers
— 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...
Tao Cui, Feifei Gao, Arumugam Nallanathan
INFOCOM
2007
IEEE
14 years 3 months ago
Modeling the Effect of Transmit Power and Physical Carrier Sense in Multi-Hop Wireless Networks
—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...
Yong Yang, Jennifer C. Hou, Lu-Chuan Kung
AICT
2006
IEEE
108views Communications» more  AICT 2006»
14 years 3 months ago
Enhancing IEEE 802.11e standard in congested environments
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...
Mounir Frikha, Fatma Ben Said, Lilia Maalej, Faiza...
INFOCOM
2006
IEEE
14 years 3 months ago
Source-Assisted Direction Estimation Inside Buildings
— Direction estimation inside buildings is a difficult and challenging task due to severe multipath signal propagation. Numerous algorithms and techniques exist that provide hig...
Kamran Sayrafian-Pour, Dominik Kaspar