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QUESTA
2010
93views more  QUESTA 2010»
14 years 4 months ago
Towards an Erlang formula for multiclass networks
Consider a multiclass stochastic network with state dependent service rates and arrival rates describing bandwidth-sharing mechanisms as well as admission control and/or load bala...
Matthieu Jonckheere, Jean Mairesse
WIMOB
2007
IEEE
15 years 4 months ago
The Analysis of the Optimal Periodic Ranging Slot Number in IEEE 802.16 OFDMA Systems
As part of the IEEE 802.16 protocol, the random access scheme is used for ranging. The ratio between the numbers of periodic ranging slots and data slots in the uplink subframe de...
Jihua Zhou, Xin Jin, Jiangtao Dong, Jinglin Shi, Z...
VTC
2006
IEEE
123views Communications» more  VTC 2006»
15 years 3 months ago
Analysis and Optimization of SIMO Systems with Adaptive Coded Modulation in Spatially Correlated Rayleigh Fading
— In this paper we investigate the performance of an adaptive coded modulation (ACM) system in single-input multiple-output Rayleigh fading channels with spatial correlation. The...
Duc V. Duong, Bengt Holter, Geir E. Øien
JSAC
2006
100views more  JSAC 2006»
14 years 9 months ago
Analysis and optimization of CDMA systems with chip-level interleavers
Abstract--In this paper, we present an unequal power allocation technique to increase the throughput of code-division multiple-access (CDMA) systems with chip-level interleavers. P...
Lihai Liu, Jun Tong, Li Ping
ICASSP
2011
IEEE
14 years 1 months ago
Linear IIR-MMSE precoding for frequency selective MIMO channels
We consider the design of linear precoding filters with respect to the minimum mean square error (MMSE) criterion for systems that employ an additional scalar gain next to a fix...
Sander Wahls, Holger Boche