December 2001
Intermediate to advanced
336 pages
8h 42m
English
Content preview from OFDM Wireless LANs: A Theoretical and Practical GuideBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Transmit Diversity
In the previous section, receive diversity techniques were reviewed. However, receive diversity can be impractical in a number of applications. In such scenarios, the use of multiple antennas at the transmitter, which is referred to as transmit diversity, is significantly more attractive. Multiple element transmitter antenna arrays have an increasingly important role to play in emerging wireless LAN networks, particularly at the AP. Indeed, when used in conjunction with appropriately designed signal processing algorithms, such arrays can dramatically enhance performance. This last statement begs the question, “How are good transmit diversity schemes designed?”
Transmit Diversity Design Criteria for Fading Channels
In this section, ...
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