Discrete-time signal processing (2nd ed.)
Discrete-time signal processing (2nd ed.)
Wireless Communications: Principles and Practice
Wireless Communications: Principles and Practice
OFDM for Wireless Multimedia Communications
OFDM for Wireless Multimedia Communications
Communication Systems
MAI-Free MC-CDMA Systems Based on Hadamard–Walsh Codes
IEEE Transactions on Signal Processing
Performance analysis and recursive syndrome decoding of DFT codes for bursty erasure recovery
IEEE Transactions on Signal Processing
IEEE Communications Magazine
A framework design for the next-generation radio access system
IEEE Journal on Selected Areas in Communications
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Orthogonal frequency division multiplexing (OFDM) is considered as one of the most promising techniques for next-generation wireless access systems. However, it may suffer from the so-called other-cell interference (OCI) in cellular environments. In this paper, we consider a novel resource allocation scheme to reduce the OCI in OFDM-based asynchronous cellular systems. The proposed scheme can reduce the OCI by exploiting repetitive properties of cyclic prefix of OFDM symbol and asynchronous properties between the user and the base stations in other cells. The proposed scheme can be applied to various types of OFDM-based systems such as orthogonal frequency division multiple access (OFDMA) and multicarrier code division multiple access (MC-CDMA) systems. Simulation results show that the proposed scheme can reduce the OCI by nearly up to 1 dB compared to conventional schemes, yielding an increase of the throughput of about 15% near the cell boundary in OFDM-based asynchronous cellular environments.