Downlink capacity improvement of WCDMA system by using adaptive antenna with novel MDPC beamforming technique
Smart antenna is a well known method to increase the spectral efficiency of the wireless channel and subsequently increase the mobile communication system capacity without jeopardizing the system QoS [1][2]. There are two major types of smart antenna systems; switch beam antenna and adaptive be...
| Main Authors: | , , , |
|---|---|
| Format: | Conference or Workshop Item |
| Language: | English |
| Published: |
Electronic Design, Test and Applications, Third IEEE International Workshop on
2006
|
| Subjects: | |
| Online Access: | http://irep.iium.edu.my/37297/ http://irep.iium.edu.my/37297/ http://irep.iium.edu.my/37297/ http://irep.iium.edu.my/37297/1/01581266.pdf |
| Summary: | Smart antenna is a well known method to increase the
spectral efficiency of the wireless channel and
subsequently increase the mobile communication
system capacity without jeopardizing the system QoS
[1][2]. There are two major types of smart antenna
systems; switch beam antenna and adaptive beam
antenna. Adaptive antenna which has dynamic beam to
cater for users needs is better in improving the system
capacity but requires more advance beam forming
algorithm and requires intensive processing power for
beam forming. Thus, adaptive beam forming technique
is critically important. In this paper, a novel adaptive
downlink beam forming technique for WCDMA system
namely Minimum Downlink Power Consumption
(MDPC) is introduced. A dynamic radio network
simulator was developed in Visual C++® to study the
power consumption at WCDMA base station (Node B)
and to estimate the downlink capacity improvement by
implementing this novel algorithm. Simulation was
done based on a single micro cell environment with
consideration of interference from the first tier. User
mobility is taken into account to provide a combined
evaluation of Radio Resource Management (RRM).
Capacity system expressed in downlink outage under
various simulation scenarios was represented in this
paper. |
|---|