A 4-GHz Active Scatterer in 130-nm CMOS for Phase Sweep Amplify-and-Forward

Autor:	Sebastian Magierowski, Geoffrey G. Messier, J-F Bousquet
Rok vydání:	2012
Předmět:	Repeater Engineering business.industry Detector Cooperative diversity Transmission (telecommunications) Electronic engineering Automatic gain control Fading Radio repeater Electrical and Electronic Engineering business Phase modulation Computer Science::Information Theory
Zdroj:	IEEE Transactions on Circuits and Systems I: Regular Papers. 59:529-540
ISSN:	1558-0806 1549-8328
DOI:	10.1109/tcsi.2011.2165418
Popis:	This article demonstrates the cooperative diversity improvement achieved using a 120- active scatterer built in 130-nm CMOS technology. The low-power all-analog device acts as a repeater, or relay, for phase sweep amplify-and-forward cooperative transmission. The device relies on microwave reflection to amplify, dynamically phase modulate, and reradiate the incident signal. This reduces the duration of the fades experienced in the indoor radio channel and improves error correction code performance. Radio channel propagation measurements collected using the relay prototype clearly show the effect of the phase modulation on fading and system level simulations conducted using the propagation data show a fivefold increase in coverage area.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::034e34586aef5d456e13decaea740ab9 https://doi.org/10.1109/tcsi.2011.2165418 Zobrazit plný text záznamu