Reconfigurable Signal Processing in Wireless Terminals
DATE '03 Proceedings of the conference on Design, Automation and Test in Europe: Designers' Forum - Volume 2
Direct conversion transceivers as a promising solution for building future ad-hoc networks
NEW2AN'07 Proceedings of the 7th international conference on Next Generation Teletraffic and Wired/Wireless Advanced Networking
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This paper explains what kind of benefits brings the software radio direct conversion implementation to solution of system interoperability problems. These problems are results of having multiple frequency bands as well as different communication standards making it impossible for the current generation of analog systems to interoperate. Making all signal processing in software by converting received signals into digital form immediately after an antenna produces a new qualitative leap in frequency agility as well as protocol standard independence and solves the problem of system interoperability in a highly fragmented communication environment. However to realize all the potential benefits of direct conversion radio a few vital problems originating from the specifics of software radio have to be addressed. The offered paper describes the way how these problems might be addressed and what benefits will reward us for that.