Power Allocation for the Uplink of Multi-User MIMO-OFDMA Systems
- Resource Type
- Conference
- Authors
- Fan, Huang; Liang, Min; Wang, Yafeng; Yang, Dacheng
- Source
- 2008 4th International Conference on Wireless Communications, Networking and Mobile Computing Wireless Communications, Networking and Mobile Computing, 2008. WiCOM '08. 4th International Conference on. :1-4 Oct, 2008
- Subject
- Communication, Networking and Broadcast Technologies
Computing and Processing
Scheduling
Throughput
Fading
Signal to noise ratio
Interference
OFDM modulation
Frequency division multiplexing
Power system modeling
MIMO
Base stations
- Language
- ISSN
- 2161-9646
2161-9654
In this paper, power allocation scheme for clusters by mobile station (MS) is investigated in the uplink of a multi-user multiple-input multiple-output (MU-MIMO) and orthogonal frequency division multiplexing access (OFDMA) cellular system. In system level simulation works, without the knowledge of how many clusters will be assigned to a MS, it is a puzzle to decide how much transmission power should be used to calculate the signal to noise ratio (SNR) value before scheduled by the scheduler in base station (BS). Four feasible schemes are proposed for this problem. System level simulation results show that one of these schemes can improve system throughput while keeping the inter-cell interference at a moderate level.