Abstract
In wireless network communication, in-band full-duplex technique is a useful and important technique that can enlarge the whole throughput of the wireless networks. However, its use needs harsh environment. The successive interference cancellation can make several transmitters’ data be received simultaneously by the receiver, and can make the in-band full-duplex technique be used easily in reality. In this paper, we try to propose an optimal algorithm for increasing the throughput of full-duplex multi-hop wireless networks with successive interference cancellation, which we call the full-duplex successive interference cancellation (FD-SIC) wireless networks. We first describe the mathematical model for the FD-SIC wireless networks and show it is NP-hard in general. Then, we propose a heuristic algorithm, namely the use-up-link-capacity iterative (UULC-iterative) algorithm, for each node’s routing and transmitting scheme. Simulation results show that the proposed algorithm for FD-SIC wireless networks can achieve better throughput compared with SIC-only networks and the interference avoidance networks.
Highlights
In traditional study, wireless network communication is considered as working in half-duplex (HD) model or out-of-band full-duplex model [1]
Simulation results show that the proposed method significantly improves the performance of FD-multiple-input multiple-output (MIMO) relay systems
We proposed an algorithm for multi-hop wireless network in [25] and an optimal base station placement algorithm with successive interference cancellation (SIC) in [26], and tried to use SIC technique in a special wireless network environment: the mine locomotive wireless network [27]
Summary
Wireless network communication is considered as working in half-duplex (HD) model or out-of-band full-duplex model [1]. The first paper about FD wireless communication can be found in [8], where the authors propose a novel technique named antenna cancellation to fulfill self-interference cancellation. We consider an environment in which nodes will transmit their data to base stations by multi-hop Under this circumstance, a node may receive from one node and transmit to another node simultaneously by the FD fashion. In [21], the authors proposed a cross-layer optimization framework for multi-hop wireless networks with SIC, and showed that, compared with the scheme without SIC, the network throughput can be increased about 47%. In [22], the authors proposed a heuristic algorithm for routing in multi-hop wireless networks, and getting a bandwidth-aware high-throughput protocol with SIC. In this paper, we design an algorithm for full-duplex multi-hop wireless networks with successive interference cancellation.
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