Low-complexity hybrid interference cancellation for sparse code multiple access

Distributed Interference Cancellation in Multiple Access Channels

In this paper, we consider a Gaussian multiple access channel with multiple independent additive white Gaussian interferences. Each interference is known to exactly one transmitter non-causally. The capacity region is characterized to within a constant gap regardless of channel parameters. These results are based on a layered modulo-lattice scheme which realizes distributed interference cancell...

A selective and adaptive interference cancellation scheme for code division multiple access systems

In this paper, a new selective and adaptive parallel interference cancellation technique is presented for code division multiple access systems. The proposed technique performs a parallel interference cancellation in multistage, and the computational complexity is reduced by applying the cancellation to unreliable signals only. The performance of the proposed scheme is investigated through comp...

Low complexity MMSE interference cancellation for LTE uplink MIMO receiver

In this paper, we propose a novel low complexity minimum mean square error (MMSE) interference cancellation (IC) to minimize the residual inter-symbol and inter-antenna interference in LTE/LTE-Advanced uplink. In the LTE/LTEAdvanced base station, frequency domain equalizers (FDEs) are adopted to achieve good performance. However, in multi-tap channels, the residual interference of FDE still deg...

Low complexity successive interference cancellation for MIMO-OFDM systems

Layered architectures like theV-BLAST scheme are a promising candidate to exploit the capacity advantages of multiple antenna systems leading to practical wireless communication schemes with very high data rates. The combination with orthogonal frequency division multiplexing (OFDM), called MIMO–OFDM, with per-antenna-coding is one of the most likely implementations of these multilayer architec...

Dynamic Space-Code Multiple Access (DSCMA) System: A Double Interference Cancellation Multiple Access Scheme in Wireless Communications System