Title :
Pairing strategy for VAMOS downlink transmission
Author :
Budura, Georgeta ; Balint, Cornel
Author_Institution :
Commun. Dept., UPT, Timisoara, Romania
Abstract :
Voices Services over Adaptive Multiuser Channels on One Slot (VAMOS) is a 3GPP feature designed to increase GSM network capacity by multiplexing a pair of two users on the same time slot. The pairing problem consists of a proper choice of the two users depending to their radio conditions. We consider a pairing strategy based on necessary transmit power for downlink under the constraint of imposed frame rate error. The algorithm considers the mobiles diversity in the actual networks. For a paired mobile, the candidate is selected based on a defined priority order. We report the results of the proposed strategy in term of total power on downlink for several penetration ratio compared to a random pairing strategy.
Keywords :
3G mobile communication; cellular radio; diversity reception; error statistics; multiplexing; multiuser channels; telecommunication services; voice communication; 3GPP feature; GSM network capacity; VAMOS downlink transmission; frame rate error; global system for mobile communication; mobile diversity; pairing strategy; voices services over adaptive multiuser channels on one slot; Downlink; GSM; Interference; Mobile communication; Modulation; Multiplexing; Receivers; SubChannel Power Imbalance Ratio; VAMOS technique; pairing algorithms; power allocation;
Conference_Titel :
Electronics and Telecommunications (ISETC), 2014 11th International Symposium on
Conference_Location :
Timisoara
Print_ISBN :
978-1-4799-7266-1
DOI :
10.1109/ISETC.2014.7010768
