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PIMRC
2008
IEEE
14 years 5 months ago
2008
IEEE
Abstract—This paper proposes a new iterative channel estimation algorithm for known symbol padding (KSP) Orthogonal Frequency Division Multiplexing (OFDM) based on the Expectatio...
PIMRC
2008
IEEE
14 years 5 months ago
2008
IEEE
— In receivers, IQ imbalances have significant effects on the performance of data transmission. Comparison of the performance of different types of Orthogonal Space-Time Block Co...
PIMRC
2008
IEEE
14 years 5 months ago
2008
IEEE
—In this paper we present an algorithm that measures the round trip times of IEEE 802.11 MAC packets in order to trilaterate WLAN nodes. We show that if we use packet sequences (...
PIMRC
2008
IEEE
14 years 5 months ago
2008
IEEE
—In this paper we present an analytical approach to evaluate the M-QAM bit error rate and carrier frequency dependent throughput of OFDM systems subject to various receiver impai...
PIMRC
2008
IEEE
14 years 5 months ago
2008
IEEE
—In this paper, we propose a new control method to cover “holes” in wireless sensor networks. Many applications often face the problem of holes when some sensor nodes are dis...