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Combining Transmit Antenna Weights with Orthogonal Space-Time Block Coding
KTH, Superseded Departments, Signals, Sensors and Systems.
KTH, Superseded Departments, Signals, Sensors and Systems.ORCID iD: 0000-0003-2298-6774
1999 (English)In: Proceedings Nordiskt radioseminarium 1999, 1999Conference paper (Other academic)
Abstract [en]

Multiple transmit and receive antennas can be used in wireless systems to acheive high data rate communications. Recently, space-time codes have been developed that utilize some of the capacity available. These codes are developed under the assumption that the transmitter has no knowledge about the channel. However, we consider the case when the transmitter has partial, but not perfect, knowledge about the channel and how toadjust the antenna weights at the transmitter. A criterion is derived that optimally determines the transmit antenna weights when well known block orthogonal space-time codes are used. Simulation results using two transmit antennas are included to demonstrate the performance.

Place, publisher, year, edition, pages
Keyword [en]
data rate, Multiple antennas, orthogonal space-time codes, antenna weights, knowledge about the channel
National Category
URN: urn:nbn:se:kth:diva-92538OAI: diva2:513552
Nordiskt radioseminarium (NRS) 1999
NR 20140805Available from: 2012-04-02 Created: 2012-04-02 Last updated: 2012-04-02Bibliographically approved

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ReferencesLink to record
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