Energy Efficiency of Error Control for High Data Rate WPAN |
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Authors: | Mauro De Sanctis Simone Quaglieri Ernestina Cianca Marina Ruggieri |
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Affiliation: | (1) Department of Electronics Engineering, University of Rome “Tor Vergata', Via Politecnico 1, 00133 Rome, Italy |
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Abstract: | This paper addresses the issue of energy efficiency for error control mechanisms over WPAN systems. An analytical formulation
has been developed to study the trade-off between link layer performance and energy consumption for two types of error control
schemes: pure ARQ and type II hybrid ARQ protocol. An MC-CDMA-based system is considered. First of all, the analysis has been
used to compare different error recovery schemes from the energy efficiency point of view. Moreover, it has been found that,
for any channel conditions, there exists an optimal value of the transmit power that maximizes the energy efficiency. The
paper also shows how this result can be used to design the power control of an energy efficient CDMA-based communication system.
Mauro De Sanctis received the “Laurea' degree in Telecommunications Engineering from the University of Roma “Tor Vergata' in 2002. He is
currently a Ph.D. Student and Assistant Professor in the Department of Electronics Engineering of the same University. He
is involved in the DAVID (DAta and Video Interactive Distribution) satellite mission of the ASI (Italian Space Agency); his
research is funded by the ASI. He is also involved in the MAGNET (My personal Adaptive Global NET) European FP6 integrated
project and in the SatNEx European network of excellence. He worked on Italian national research projects on satellite-terrestrial
systems integration such as SHINES (Satellite and HAP Integrated NEtworks and Services) and CABIS (CDMA for Broadband mobile
terrestrial-satellite Integrated Systems). On autumn 2004 he joined the CTIF (Center for TeleInFrastructure), a research center
focusing on modern telecommunications technologies located at the University of Aalborg (Denmark). His main areas of interest
are: integration of different satellite networks, stratospheric platforms and terrestrial networks in a multi-layered fashion,
internetworking and resource management in satellite systems and energy efficiency of WPAN systems.
Simone Quaglieri received the “Laurea' degree cum laude in Telecommunications Engineering from the University of Roma “Tor Vergata', Italy,
in 2004. His thesis, concerning the study of an analytic model for the Raman amplifier in optical systems with high bit rate,
has been developed in the same University. During 2002 he worked as stagiaire on the design and development of optical submarine
systems at the Elettra company (Telecom Italia group, Italy). He is joining the IRIS (Innovative Radio Integrated Systems)
group at the University of Roma “Tor Vergata' as Research Engineer, where he is working on MC-CDMA based technology in the
frame of the MAGNET (My Adaptive Global NETwork) European project. He is also working on error recovery mechanisms over satellite
systems, and his research is funded by the EC in the frame of the SatNEx (Satellite Network of Excellence) European project.
Ernestina Cianca graduated cum laude in Electronics Engineering in 1997 at the University of L'Aquila. She was with Italtel/Siemens (L'Aquila)
from 1997 to 1998. She got her Ph.D. degree from the University of Rome Tor Vergata (URTV). The thesis work was on power management
in CDMA-based satellite systems. She has been employed by the University of Aalborg, Denmark, in the Wireless Networking Groups
(WING), as Research engineer (2000–2001) and as Assistant Professor (2001–2003). In particular, from Sept. 2002 she has been
Technical Manager of Aalborg University for the IST-STRIKE project. She is currently Assistant Professor in Telecommunications
at the URTV (Dpt. of Electronics Engineering), teaching DSP, Information and Coding. Her research mainly concerns wireless
access technologies (CDMA and MIMO-OFDM-based systems), in particular, Radio Resource Management at PHY/MAC layer, ARQ/HARQ,
TCP-IP issues over wireless links, integration of terrestrial and satellite systems. She has been the vice-coordinator of
the following national research programs: CABIS, on CDMA integrated mobile systems (2000-2002) and SHINES, on satellite-HAP
integrated networks for multimedia applications co-financed by MIUR (2002–2004). She is currently working on various European
Projects: EU FP6 IP MAGNET (My personal Adaptive Global NET); EU ASIA LINK EAGER-NetWIC (Euro-Asian Network for Strengthening
Graduate Education and Research in Wireless Communications); EU Network of excellence NEXWAY. She is author of about 40 papers,
on international journals/transactions and proceedings of international conferences.
Marina Ruggieri graduated in Electronics Engineering in 1984 at the University of Roma. She was: with FACE-ITT and GTC-ITT (Roanoke, VA)
in the High Frequency Division (1985–1986); Research and Teaching Assistant at the University of Roma Tor Vergata (URTV) (1986–1991);
Associate Professor in Telecommunications at the University of L'Aquila (1991–1994). Since November 2000 she is Full Professor
in Telecommunications at the URTV (Dpt. of Electronics Engineering), teaching DSP, Information and Coding. In 1999 she has
been appointed member of the Board of Governors of the IEEE AES Society (2000–2002) and re-elected for the period 2003–2005.
Her research mainly concerns space communications and navigation systems (in particular satellites) as well as mobile and
multimedia networks. She is the Principal Investigator of: satellite scientific communications missions (DAVID, WAVE) of ASI;
national research programs (CABIS) on CDMA integrated mobile systems (2000–2002) and on satellite-HAP integrated networks
for multimedia applications (SHINES), co-financed by MIUR (2002–2004). She co-ordinates the URTV Unit in various European
Projects: EU FP6 IP MAGNET (My personal Adaptive Global NET); EU ASIA LINK EAGER-NetWIC (Euro-Asian Network for Strengthening
Graduate Education and Research in Wireless Communications); EU Network of excellence NEXWAY; GALILEO JU 1st Call – July 2003:
VERT (VEhicular Remote Tolling); and in the ASI program on V-band payloads (TRANSPONDERS). She is member of the Editorial
Board of Wireless Personal Communications – an International Journal (Kluwer). She was awarded the 1990 Piero Fanti International
Prize and she had a nomination for the Harry M. Mimmo Award in 1996 and the Cristoforo Colombo Award in 2002. She is author
of about 170 papers, on international journals/transactions and proceedings of international conferences, book chapters and
books. |
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Keywords: | energy efficiency ARQ type II HARQ FEC WPAN |
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