Ruben Merz

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Related publications (27)

An Architecture for Wireless Simulation in NS-2 Applied to Impulse-Radio Ultra-Wide Band Networks

Jean-Yves Le Boudec, Ruben Merz, Jörg Widmer

We present an architecture for implementing a wireless physical layer in a packet-based network simulator. We integrate this architecture in the popular ns-2 network simulator and use it to implement an impulse-radio ultra-wide band (IR-UWB) physical layer ...

2007

Effect on Network Performance of Common versus Private Acquisition Sequences for Impulse Radio UWB Networks

Jean-Yves Le Boudec, Ruben Merz

Packet detection and timing acquisition for IR-UWB networks such as 802.15.4a relies on the presence of an acquisition sequence (or preamble) at the beginning of each packet. A simple network design choice is to use a common acquisition sequence for the wh ...

2006

The Optimal MAC Layer for Low-Power UWB is Non-Coordinated

Jean-Yves Le Boudec, Ruben Merz, Jörg Widmer, Alaeddine El Fawal

We consider the design of the MAC layer for low power, low data-rate, impulse-radio ultra-wide band (IR-UWB) networks. In such networks, the primary concern is energy consumption rather than rate efficiency. We explore several dimensions such as power cont ...

2006

Effect of Interfering Users on the Modulation Order and Code Rate for UWB Impulse-Radio Bit-Interleaved Coded M-ary PPM

Jean-Yves Le Boudec, Ruben Merz

We consider the impact of multi-user interference on a bit-interleaved coded-modulation system with M-ary PPM (BIC M-ary PPM) in an impulse-radio ultra-wideband physical layer. In a realistic scenario such as an ad hoc network, the interference is inherent ...

2005

Conditional Bit Error Rate for an Impulse Radio UWB Channel with Interfering Users

Jean-Yves Le Boudec, Ruben Merz

We consider a multi-user impulse radio UWB physical layer in a multipath environment. We propose a fast and efficient method to compute the conditional bit error rate (BER), given some realizations of the channels from source/interferer to destination, and ...

2005

A Joint PHY/MAC Architecture for Low-Radiated Power TH-UWB Wireless Ad-Hoc Networks

Jean-Yves Le Boudec, Ruben Merz, Jörg Widmer

Due to environmental concerns and strict constraints on interference imposed on other networks, the radiated power of emerging pervasive wireless networks needs to be strictly limited, yet without sacrificing acceptable data rates. Pulsed Time-Hopping Ultr ...

2005

Tradeoff Analysis of PHY-aware MAC in Low-Rate, Low-Power UWB networks

Jean-Yves Le Boudec, Ruben Merz, Jörg Widmer, Alaeddine El Fawal

We are interested in the design of physical-layer aware medium access control (PHY-aware MAC) for self-organized, low power, low data-rate impulse-radio ultra-wideband (IR-UWB) networks. In such networks, energy consumption is much more of a concern than a ...

2005

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