Link selection method combined with network scheduling and routing

Abstract

The invention provides a link selection method combined with network scheduling and routing, and belongs to the field of wireless communication networks. In methods for enhancing wireless network throughput, the wireless network throughput is enhanced by a cross-layer design scheme which has problems of being high in calculation complexity and not easy to realize, and a redesigned cross-layer protocol is probably not compatible with existing protocols. Based on the aforementioned disadvantages, the simple and feasible cross-layer optimized scheme design is utilized to estimate resource distribution fairness among nodes via a Gini coefficient by aiming at defects that the former research schemes are mostly based on network overall performance with neglecting of network performance among the nodes. Meanwhile, a multi-radio-frequency and multichannel scheme is adopted by us so that the network performance is greatly enhanced. The method is mainly applied to throughput enhancement in the wireless communication networks, and the method is still effective for enhancement of throughput under the situation of complex network structure and higher interference.

Description

technical field [0001] The invention relates to a link selection method for joint network scheduling and routing, which belongs to the field of wireless communication networks. Background technique [0002] The terminal nodes and routers in the wireless mesh network are connected to the backbone network through a multi-hop method. It is a promising and cheap "last mile" wireless broadband network access solution. Compared with the wireless mobile ad-hoc Ad-Hoc network considering node mobility and energy constraints, the wireless mesh network takes improving the network throughput as the primary goal. In recent years, scholars at home and abroad have proposed a variety of technologies to build a wireless mesh network with high throughput performance, including: scheduling algorithm design, routing algorithm design, multi-radio multi-channel technology and power control. In addition, cross-layer optimization design is also a common method to improve network throughput. [...

AI Technical Summary

Problems solved by technology

This is because the information interaction and merging between the various protocol layers has changed the design mode of the original protocol stack, and may be incompatible with existing protocols, resulting in difficulties in maintenance and management.

Therefore, cross-layer design needs to balance the performance improvement brought about by cross-layer interaction and the increase in system complexity. Cross-layer design cannot be used blindly.

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