Presently, we rely on the wireless devices and systems to not only enable on-demand,
pervasive communications for a large proportion of the population, but also other critical …

In the reported metrics of the existing literature, the realistic wireless channel situation is
generally ignored in selecting the appropriate next-hop relay node during packet forwarding …

This paper describes wireless sensor networks for a novel hierarchical routing protocol
based on the centralized clustering approach inspired on the k-means method in order to …

文章提出了一种无线传感器网络性能评价及优化方法, 以单位能耗所支持的平均数据速率为量度
, 分析了路由策略, 接入机制及物理层传输技术对网络性能的综合影响. 在讨论单跳分组成功传输 …

Opportunistic networking aims at exploiting sporadic radio links to improve the connectivity
of multihop networks and to foster data transmissions. The broadcast nature of wireless …

This chapter presents a cross-layer optimized design framework for cognitive radios in a
dynamic spectrum access environment. Generally speaking, layered architectures such as …

During the last decade, many works were devoted to improving the performance of relaying
techniques in ad hoc networks. One promising approach consists in allowing the relay …

This paper presents an analytical approach to quantify energy efficiency (EE), ie, the bits per
Joule performance of a large scale interference limited random wireless ad hoc network …

Wireless sensor networks have introduced a new paradigm of communication between
devices, which are applied to different scenarios. These applications demand three …

Opportunistic forward techniques can improve the energy efficiency of wireless multi-hop
networks by exploiting multiuser diversity. Opportunistic forward schemes generally …