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Your search keyword '"Pec, Rothna"' showing total 24 results
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24 results on '"Pec, Rothna"'

23. Receive Beamforming Techniques for an LTE-Based Mobile Relay Station With a Uniform Linear Array.

Author

Pec, Rothna, Ku, Bon Woo, Kim, Kyu Seok, and Cho, Yong Soo

Subjects
*RADIO relay systems, *SIGNAL processing, *BEAMFORMING, *ORTHOGONAL frequency division multiplexing, *MULTIPATH channels
Abstract

A mobile relay station (MRS) with soft handover experiences performance degradation because the received signal at the MRS located between two base stations (BSs) is the sum of these two signals with different carrier frequency offsets (CFOs). In this paper, two receive beamforming techniques with CFO compensation (a joint receive beamforming (JB) technique and a spatially separated receive beamforming (SB) technique) are proposed for the MRS with a uniform linear array (ULA) in orthogonal frequency-division multiplexing (OFDM) systems. The SB technique is shown to be robust against CFO errors and can be effectively used for the MRS in a multipath fading channel. The performance of the proposed techniques is evaluated via simulation in a Long Term Evolution (LTE) environment. [ABSTRACT FROM PUBLISHER]

Published
2015
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24. DoA estimation with cell searching for an IEEE 802.16-based mobile relay stations.

Author

Pec, Rothna, Hyun-Jong Yoo, Han-Seong Kim, A-rom So, and Yong Soo Cho

Abstract

In this paper, a mobile relay station (MRS) for vehicles with a beamforming antenna is considered to increase the reliability of a transmission link, especially for the MRS at cell boundary. Cell searching and direction-of-arrival (DoA) estimation method for an MRS with a uniform linear array (ULA) is proposed for a multipath environment in OFDM-based cellular systems. Performances of the proposed method are evaluated by computer simulation with the standard profile of IEEE802.16e. [ABSTRACT FROM PUBLISHER]

Published
2012
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