Optimal transmissions for space-time coded OFDM UWB systems

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Optimal transmissions for space-time coded OFDM UWB systems

更新时间：2024-10-14

- Optimal transmissions for space-time coded OFDM UWB systems
- Optimal transmissions for space-time coded OFDM UWB systems
- 通信学报 2005年第10期页码：29-33
- 作者机构：
- 作者简介：
- 基金信息：
  
  This work was partially supported by NSF under Grant 60496315 and national “863” projects under Grant2003AA12331005
- DOI：
  中图分类号： TN919.72
- 纸质出版日期：2005
- 稿件说明：
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Optimal transmissions for space-time coded OFDM UWB systems[J]. 通信学报, 2005,(10):29-33.

Optimal transmissions for space-time coded OFDM UWB systems[J]. 2005, (10): 29-33.
Optimal transmissions for space-time coded OFDM UWB systems[J]. 通信学报, 2005,(10):29-33. DOI：

Optimal transmissions for space-time coded OFDM UWB systems[J]. 2005, (10): 29-33. DOI：

摘要

Abstract

The emerging ultra-wideband （UWB） system offers a great potential for the design of high-speed short-range communications.Compared with great progress at physical layer

the corresponding medium access control （MAC） layer designs are naturally placed on the schedules.We focus on the optimal power load scheme

which is an integral part of the MAC layer protocol design

for UWB space-time coded （STC） orthogonal frequency-division multiplexing （OFDM） transmissions.Assumed the transmitter has perfect or partial channel stage information （CSI）.Based on the optimization criteria of maximizing capacity

three kinds of power load schemes were presented with different tradeoff among performance

complexity and feedback bandwidth overhead.The proposed schemes are verified and compared under the channel prototype proposed by IEEE 802.15.3a Task Group.

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