Physical Layer Techniques for Vehicle-to-Vehicle Communications

Period

1 April 2011–1 April 2016

Project manager

Erik Ström

This project aims at building world-class competence in critical areas of vehicle-to-vehicle communications. We intend to attack several open, fundamental research questions in channel characterization and modeling (the nature of vehicle-to-vehicle [V2V] radio channels is not well understood at this time); estimation and synchronization (techniques to acquire necessary information at the receiver to enable data decoding); and coding and modulation (techniques to represent and protect data for transmission over V2V channels).

Website

http://www.chalmers.se/safer/EN/projects/pre-crash-safety/projects/physical-lay…

Short facts

Research area

Systems for accident prevention and AD

Financier(s)

SAFER

Partners

Chalmers

Project no

A19

Project type

Project

Related publications

Random Broadcast Based Distributed Consensus Clock Synchronization for Mobile Networks

Clock synchronization is a crucial issue for mobile ad hoc networks due to the dynamic and distributed nature of these networks. In this paper, employing affine models for local clocks, a random broadcast based distributed consensus clock synchronization

Authors : Sun Wanlu, Erik G. Ström, Fredrik Brännsström, Mohammad Reza Gholami

Year : 2015

Published in : IEEE Transactions on Wireless Communications

Long-Term Clock Synchronization in wireless sensor networks with arbitrary delay distributions

Clock synchronization is a crucial issue in the operation of wireless sensor networks. Although the existing synchronization algorithms under linear clock model assumptions perform well for short periods, they will become problematic for applications with

Authors : Wanlu Sun, Erik G. Ström, Fredrik Brännström, Debarati Sen

Year : 2012

Published in : Global Communications Conference (GLOBECOM) 2012 IEEE, December 2012, Anaheim

Distributed clock synchronization with application of D2D communication without infrastructure

This paper investigates the clock synchronization problem for Device-to-Device (D2D) communication without infrastructure. Employing affine models for local clocks, it is proposed a random broadcast based distributed consensus clock synchronization

Authors : Sun Wanlu, Mohammad Reza, Gholami, Erik G. Ström, Fredrik Brännström

Year : 2013

Published in : 2013 IEEE Globecom Workshops, December 2013, Atlanta

On 20 MHz channel spacing for V2X communication based on 802.11 OFDM

In this semi-tutorial paper, we will examine the use of a larger channel spacing than 10~MHz for vehicle-to-vehicle (V2V) and vehicle-to-infrastructure (V2I) communication, collectively referred to as V2X communication, based on the IEEE 802.11 OFDM

Authors : Erik G. Ström

Year : 2013

Published in : 39th Annual Conference of the IEEE Industrial Electronics Society (IECON), November 2013, Vienna

On clock offset and skew estimation with exponentially distributed delays

This paper investigates the problem of clock synchronization of nodes in a wireless sensor network based on the two-way timing message exchange mechanism with an unknown deterministic transmission delay and random exponential transmission delays. Without

Authors : Sun Wanlu, Fredrik Brännström, Erik G. Ström

Year : 2013

Published in : IEEE International Conference on Communications, June 2013, Budapest

On Clock Synchronization in Wireless Networks Using Parameter Estimation and Consensus Techniques

Time agreement in a network is a critical issue for communications. While clock synchronization in wired networks is a well studied problem, the wireless medium presents extra challenges. For example, in wireless sensor networks which may contain several

Authors : Sun Wanlu

Year : 2013

Performance study of fixed and moving relays for vehicular users with multi-cell handover under co-channel interference

In this paper, we investigate the power outage probability (OP) of a vehicular user equipment (VUE) device served by half-duplex decode-and-forward relay nodes (RNs) under co-channel interference. Both moving RNs (MRNs) and fixed RNs (FRNs) are studied

Authors : Sui Yutao, Zhe Ren, Sun Wanlu, Tommy Svensson, Peter Fertl.

Year : 2013

Published in : IEEE International Conference on Connected Vehicles and Expo, December 2013, Las Vegas