Design of ICI Canceling Codes for OFDM Systems Based on Capacity Maximization

Yun, Jae Yeun; Chung, Sae-Young; Lee, Y.H.

doi:10.1109/lsp.2006.884035

Cited by 8 publications

(2 citation statements)

References 16 publications

(15 reference statements)

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“…The PRC does not sacrifice spectral efficiency but needs a maximum-likelihood sequence estimator (MLSE) thus increasing the receiver complexity. An interesting combination of correlative-coding and self-cancellation was proposed in [39].…”

Section: Related Workmentioning

confidence: 99%

Coding to reduce the interference to carrier ratio of OFDM signals

Smida

2017

J Wireless Com Network

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In this paper, we propose a simple approach to reduce the sensitivity of OFDM system to the carrier frequency offset (CFO). The main idea is to choose a well-known channel code and to rotate each coordinate by a fixed phase shift such that the maximum inter-carrier interference (ICI) taken over all sub-carriers is minimized. This approach is based on a geometric interpretation of the peak interference to carrier ratio (PICR) of OFDM signals. Simulation results show that a reduction in PICR of 7 dB can be easily achieved. Furthermore, we addressed the fundamental limit of the proposed technique by providing both an exact and an approximate lower bound of PICR of phase-shifted binary codes. The bounds are applied to some codes: non-redundant binary code, BCH codes, and Reed-Muller codes. Simulation results demonstrated that phase-shift designs approach lower bounds and are resilient to CFO change.

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Section: Related Workmentioning

confidence: 99%

Coding to reduce the interference to carrier ratio of OFDM signals

Smida

2017

J Wireless Com Network

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“…Examples of such modulation/demodulation schemes include the wavelet-based schemes [Wor96,Mar00], the chirp-based schemes [Mar01, BT01, KS08], a scheme designed to maximize a lower bound on capacity [YCL07], and the diversity maximizing schemes [MG03,HS07c].…”

Section: IXmentioning

confidence: 99%