TY - GEN
T1 - On the asymptotic sum-rate of uplink MIMO cellular systems in the presence of non-Gaussian inter-cell interference
AU - Girnyk, Maksym A.
AU - Vehkaperä, Mikko
AU - Rasmussen, Lars K.
PY - 2012/12/1
Y1 - 2012/12/1
N2 - In this paper we consider a scenario, where several mobile multi-antenna terminals communicate with a multi-antenna base station within a cellular communication system over the flat Rayleigh fading channel. In addition, several terminals from the neighboring cell cause interference. For such a scenario, we derive, using the replica method, the asymptotic sum-rate of the communication in the large-system limit for arbitrary signal constellations. Moreover, we show via numerical results that when the interfering terminals use a QPSK constellation, the resulting interference becomes easier to handle. In effect, we may be able to accumulate more interfering transmitter-receiver pairs within the same area as compared to the case of Gaussian signals. Monte-Carlo simulations show that the derived asymptotic expression matches well with the simulated values even for small numbers of antennas.
AB - In this paper we consider a scenario, where several mobile multi-antenna terminals communicate with a multi-antenna base station within a cellular communication system over the flat Rayleigh fading channel. In addition, several terminals from the neighboring cell cause interference. For such a scenario, we derive, using the replica method, the asymptotic sum-rate of the communication in the large-system limit for arbitrary signal constellations. Moreover, we show via numerical results that when the interfering terminals use a QPSK constellation, the resulting interference becomes easier to handle. In effect, we may be able to accumulate more interfering transmitter-receiver pairs within the same area as compared to the case of Gaussian signals. Monte-Carlo simulations show that the derived asymptotic expression matches well with the simulated values even for small numbers of antennas.
UR - http://www.scopus.com/inward/record.url?scp=84877643176&partnerID=8YFLogxK
U2 - 10.1109/GLOCOM.2012.6503488
DO - 10.1109/GLOCOM.2012.6503488
M3 - Conference article in proceedings
AN - SCOPUS:84877643176
SN - 978-1-4673-0920-2
T3 - Globecom
SP - 2475
EP - 2480
BT - 2012 IEEE Global Communications Conference, GLOBECOM 2012
PB - IEEE Institute of Electrical and Electronic Engineers
T2 - 2012 IEEE Global Communications Conference, GLOBECOM 2012
Y2 - 3 December 2012 through 7 December 2012
ER -