Modems White Papers
Throughput Study for a Dynamic OFDM-FDMA System With Inband Signaling
Overview OFDM-FDMA systems provide the flexibility to support simultaneous downlink data transmissions to different terminals. By dynamically assigning different sets of subcarriers to different terminals, they also have the potential to react to fast changing attenuation states of wireless channels. It has been shown that hence dynamic OFDM-FDMA systems can improve various transmission metrics such as throughput or required power. However, these dynamic systems require a signaling mechanism informing each terminal prior to the data transmission itself which subcarriers they have been assigned. This paper studies the dependency between overhead caused by the signaling system and number of subcarriers used in the system for a varying number of terminals in the cell.
| Publisher | Technical University of Berlin | File Format | PDF, requires Acrobat Rdr 5 |
|---|---|---|---|
| Date Published | May 2004 | Downloads | 7 |
| Format | White Papers | ||
| Topics | |||
-
Did you find this white paper useful?
White Paper RSS
Download
Register
