Title :
A novel scheduling scheme based on MU-MIMO in TD-LTE uplink
Author :
Wang, Sen ; Wang, Fei ; Wang, Yafeng ; Yang, Dacheng
Author_Institution :
Wireless Theor. & Technol. Lab. (WT&T), Beijing Univ. of Posts & Telecommun., Beijing, China
Abstract :
The virtual MIMO (V-MIMO) and coordinated multipoint transmission (CoMP) are adopted by the LTE system to extend the uplink spectral efficiency. V-MIMO makes use of spatial multiplexing to increase system throughput while CoMP by means of mitigating inter cell interference (ICI) significantly achieve the same effect. In this paper, we present an orthogonality based proportional fair scheduling (OPF) scheme for virtual MIMO and CoMP in TD-LTE uplink. To evaluate the effectiveness of the OPF algorithm, three schemes are analyzed and compared: conventional single input multiple output (SIMO), V-MIMO and CoMP. Finally, we evaluate and compare the potential gain in spectral efficiency for the SIMO, V-MIMO and CoMP using LTE semi-dynamic system level simulator.
Keywords :
Long Term Evolution; MIMO communication; adjacent channel interference; interference suppression; scheduling; CoMP; MU-MIMO; OPF scheme; SIMO; TD-LTE uplink; V-MIMO; coordinated multipoint transmission; intercell interference mitigation; orthogonality based proportional fair scheduling scheme; single input multiple output; spatial multiplexing; spectral efficiency; virtual MIMO; Interference; MIMO; Multiplexing; Receiving antennas; Scheduling algorithm; Transmitting antennas; CoMP; Scheduling Algorithem; Virtual MIMO;
Conference_Titel :
Wireless Communications and Networking Conference (WCNC), 2011 IEEE
Conference_Location :
Cancun, Quintana Roo
Print_ISBN :
978-1-61284-255-4
DOI :
10.1109/WCNC.2011.5779258
