Medium access control with coordinated adaptive sleeping for wireless sensor networks
IEEE/ACM Transactions on Networking (TON)
Signal Processing - Signal processing in UWB communications
Principles and limitations of ultra-wideband FM communications systems
EURASIP Journal on Applied Signal Processing
An architecture for wireless simulation in NS-2 applied to impulse-radio ultra-wide band networks
SpringSim '07 Proceedings of the 2007 spring simulaiton multiconference - Volume 1
Simulating wireless and mobile networks in OMNeT++ the MiXiM vision
Proceedings of the 1st international conference on Simulation tools and techniques for communications, networks and systems & workshops
IEEE Transactions on Wireless Communications
IEEE Transactions on Wireless Communications
Low Complexity Rake Receivers in Ultra-Wideband Channels
IEEE Transactions on Wireless Communications
Multicode ultra-wideband scheme using chirp waveforms
IEEE Journal on Selected Areas in Communications - Part 1
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This paper presents a novel modeling technique of Ultra-Wideband Impulse Radio for the simulation of wireless sensor networks, to evaluate this technology from a systems point of view that includes the effect of communication protocols. The adopted approach, named Maximum Pulse Amplitude Estimation, considers the characteristics of the propagation channel, the transmitter and receiver architectures, the modulation type, the robustness to multiple access interference and the impact of error correction coding. It differs from the state of the art by working at the symbol level instead of developing an analytical model. While this technique increases the processing time, it offers more flexibility in terms of modulations, channel models and receiver architecture. Our approach enabled us to implement the first network simulation model of the UWB PHY specified in the IEEE 802.15.4A standard. It is also the first UWB-IR network simulation model to consider an energy detection receiver. Several channel models have been implemented, offering trade-offs between simulation speed and accuracy. The performance of this energy detection transceiver is compared with MATLAB models. The packet error rate is evaluated as a function of distance with several channel models, and in the presence of interferers. It is shown that our approach leads to results in line with MATLAB models, that the choice of channel model greatly impacts the simulation speed and that the IEEE 802.15.4A UWB PHY allows some limited degree of protection against multiple access interference even when using a low performance energy detection receiver architecture.