Abstract
It is desirable that energy performance improvement is not realized at the expense of other network performance parameters. This paper investigates the trade off between energy efficiency, spectral efficiency and user QoS performance for a multi-cell multi-user radio access network. Specifically, the energy consumption ratio (ECR) and the spectral efficiency of several common frequency domain packet schedulers in a cellular E-UTRAN downlink are compared for both the SISO transmission mode and the 2x2 Alamouti Space Frequency Block Code (SFBC) MIMO transmission mode. It is well known that the 2x2 SFBC MIMO transmission mode is more spectrally efficient compared to the SISO transmission mode, however, the relationship between energy efficiency and spectral efficiency is undecided. It is shown that, for the E-UTRAN downlink with fixed transmission power, spectral efficiency improvement results into energy efficiency improvement. The effect of SFBC MIMO versus SISO on the user QoS performance is also studied.
| Original language | English |
|---|---|
| Title of host publication | 2011 IEEE 73rd Vehicular Technology Conference (VTC Spring) |
| Publisher | IEEE |
| Number of pages | 5 |
| ISBN (Print) | 978-1-4244-8332-7 |
| DOIs | |
| Publication status | Published - 2011 |
| Event | IEEE 73rd Vehicular Technology Conference - Yokohama, Japan Duration: 15 May 2011 → 18 May 2011 |
Publication series
| Name | Proceedings of IEEEVTS Vehicular Technology Conference |
|---|---|
| Publisher | IEEE |
| ISSN (Print) | 1550-2252 |
Conference
| Conference | IEEE 73rd Vehicular Technology Conference |
|---|---|
| Abbreviated title | VTC Spring |
| Country/Territory | Japan |
| City | Yokohama |
| Period | 15/05/11 → 18/05/11 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- ECR
- SFBC
- MIMO
- packet scheduling
- LTE
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