Multi-Antenna System Performance and Impairments in Long Term Evolution Radio Access Networks Using the Extended Spatial Channel Model

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Chauvin, Michel Evan




LTE is being deployed to meet consumer demand for high bit rate mobile wireless. This thesis studies 3 areas of wireless communications; phase noise, Doppler and link adaptation, and multi-antenna system performance. The thesis focuses on the performance of 4 base-station (BS) antennas, simulation results using 3GPP's spatial channel model and the effects of impairments and configurations on the downlink. The best performing antennas evaluated are the 4-transmitter, 4-port, correlated cross-polarized BS antennas when TM4's CLSM is used. Despite added overhead, 4 antennas provides
gain over 2 antennas due to beamforming. When only 2-ports are available, TM3's OLSM outperforms TM4 as UE velocity increases, since 2-port TM3 is less dependent on CSI. Link adaptation latency contributes to degradation starting at low velocity. In addition, high-speed train simulations show throughput degradation at 350km/hr. Finally, the downlink is subjected to phase noise to show the effect of generated and measured phase noise.


PHYSICAL SCIENCES Engineering - System Science
PHYSICAL SCIENCES Engineering - Electronics and Electrical




Carleton University

Thesis Degree Name: 

Master of Applied Science: 

Thesis Degree Level: 


Thesis Degree Discipline: 

Electrical and Computer Engineering

Parent Collection: 

Theses and Dissertations

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