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- Title
A time-domain control signal detection technique for OFDM.
- Authors
Adegbite, Saheed; McMeekin, Scott; Stewart, Brian
- Abstract
Transmission of system-critical control information plays a key role in efficient management of limited wireless network resources and successful reception of payload data information. This paper uses an orthogonal frequency division multiplexing (OFDM) architecture to investigate the detection performance of a time-domain approach used to detect deterministic control signalling information. It considers a type of control information chosen from a finite set of information, which is known at both transmitting and receiving wireless terminals. Unlike the maximum likelihood (ML) estimation method, which is often used, the time-domain detection technique requires no channel estimation and no pilots as it uses a form of time-domain correlation as the means of detection. Results show that when compared with the ML method, the time-domain approach improves detection performance even in the presence of synchronisation error caused by carrier frequency offset.
- Subjects
WIRELESS communications; AD hoc computer networks; WIRELESS Application Protocol (Computer network protocol); COMPUTER network protocols; DATA transmission systems
- Publication
EURASIP Journal on Wireless Communications & Networking, 2016, Vol 2016, Issue 1, p1
- ISSN
1687-1472
- Publication type
Article
- DOI
10.1186/s13638-016-0671-8