... Doppler spread.
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Since the receiver is often in a scattering environment, much of the power is not in the direct
path but rather in the “echos” ... significant increase in peak data rates up to
100 Mb/s in downlink and 50 Mb/s in uplink within 20 MHz spectrum leading to spectrum
efficiency of 5 Mb/s, increased cel...
... transmit symbols
170
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It is also assumed that an ideal round robin scheduling is performed to ... Belfiore, 2006)), three main cooperative transmission protocols have been proposed:
166
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Advances in Vehicular Networ...
... π
k−1
0
.
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0
Adaptative Rate Issues in the WLAN Environment
Jerome Galtier
Orange Labs
France
1. Introduction
In this chapter, we investigate the ... second line of equation (14) and equations (15) and (8). The
following cases are obtained by induction using again the second line of (14) in conjunction
with (9).
Now, using the fi...
... 2011
Printed in India
A free online edition of this book is available at www.intechopen.com
Additional hard copies can be obtained from orders@intechweb.org
Advances in Vehicular Networking Technologies, ... approaching to
zero for L approaching to infinity:
1
The bandwidth ranges were chosen according to WLAN, and UMTS (Laiho et al., 2005) requirements.
Advances in Ve...
... gain from the source to the relay with a corresponding
path loss of PL
sr
,andn
r
(t) is the AWGN at the relay.
30
Advances in Vehicular Networking Technologies
Advances in Vehicular Networking ... be increased to maintain the spectral efficiency which then
reduces the performance gain over non-cooperative single-input single-output (SISO) scheme.
32
Advances in Vehicula...
... 1059–1063.
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2.1 Description of the involved technologies
In this subsection we describe the technologies involved in the process of collection
information ... Based Gossiping
for VANETs in an Intersection Scenario, 4th International Conference on Networked
Computing and Advanced Information, Gyeongju, Korea.
62
Advances in...
... wireless network,
Advanced Information Networking and Applications, 2008. AINA 2008. 22nd International
Conference on, pp. 803 –810.
100
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... as the agent receives them in the pre-defined
92
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is exemplified by a performance reporting tool) are running a web server, since the REST
me...
... are
located outside and around the incident area, while maintaining wireless connectivity with
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Using SOC-MAC, each unit can autonomously ...
falsely, even in complicated traffic conditions. One-dimensional range profile of an
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(a) Sedan (b) Mini-van
(...
... and
many people walking around has been the selected scenario to test the wireless localization
230
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202 ... component pinout diagram, three appropriate
leads (and common ground) w ere identified, TX_RDY, MD_RDY and MCLK (Intersil, 2002).
220
Advances in Vehicular Networking...
... on Selected Areas in
Communications, Vol. 24, (February 2006) 247-260, ISSN: 0733-8716.
236
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256 ... 1932-4553.
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the relaying, RS shall forward data as simp...