In this paper, we experimentally study the effects of using low cost optical amplifiers and lasers in multi-format multi-wavelength radio over fiber signals. We analyze the propagation of UMTS, WLAN and WiMAX radio signals in a single channel scenario and study the impact of amplifying the referred radio signals together with amplitude modulated ones, which can be ethernet, in WDM scenario.

The combination of multiple radio nodes in conjunction with a suitably structured multi-hop or mesh architecture has the potential to solve some of the key limitations of present day wireless access networks that are based on single-radio nodes. This paper addresses the static channel assignment problem for multi-channel multi-radio static wireless mesh networks. We present four metrics based o...

Opportunistic routing emerged as a novel technique to cope with the problem of highly unpredictable and lossy wireless channels in urban wireless mesh networks. However, existing opportunistic routing protocols only consider single-radio wireless nodes, and assume that all the nodes work on the same channel, without exploiting possible concurrent transmissions by multi-radio nodes over orthogon...

With the proliferation of cheaper electronic devices, wireless communication over multiple-channels in a multi-interface network is now possible. For instace, wireless sensor nodes can now operate over multiplechannels. Moreover, cognitive radio sensor networks are also evolving, which also operates over multiple-channels. In the market, we can find antennas that can support the operation of mu...

With the rapid development of Ad hoc networks and a wireless mesh networks (WLAN) will become the next generation of new broadband wireless network with characters of multi-hop, self-organizing, self-healing, high robustness and high bandwidth. Through in-depth study of the network performance, It is observed that there is a serious interference and network connectivity issues between Wireless ...

Many appealing multicast services such as on-demand TV, teleconference, online games and etc. can benefit from high available bandwidth in multi-radio multi-channel wireless mesh networks. When multiple simultaneous transmissions use a similar channel to transmit data packets, network performance degrades to a large extant. Designing a good multicast tree to route data packets could enhance the...