Method and apparatus for multi-path elimination in a wireless communication system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Mar 13, 2003
app pub date -
Aug 30, 2001
filing date -
Aug 30, 2001
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Method and apparatus for pre-coding in a communication system are disclosed. In a communication system, an origination station transmits a non pre-coded pilot signal and a pre-coded data signal. A destination station estimates a metric characterizing a communication channel using the non pre-coded pilot signal. The metric is then used to pre-code the data signal to be transmitted. The destination station may also use the estimated metric for demodulation of the pre-coded data. However, since the pilot signal is not pre-coded, the metric for the desired multi-path of the pilot channel differs from that of the pre-coded data channel, which may reduce the demodulation performance. To improve the channel estimation for data demodulation, the origination station may additionally transmit a dedicated pilot signal that is pre-coded in the same manner as the data signal destined to a specific user.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully