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Book Chapter
Wireless System Models
2018
Overview
This chapter presents mathematical models of DS/CDMA and orthogonal frequency division multiplexing (OFDM) systems. OFDM has become a most favored technique for broadband wireless systems due to the susceptibility to signal spread under multipath conditions. SC‐FDMA is a modified form of OFDM, with similar throughput performance and complexity. Multiple‐input, multiple‐output (MIMO)‐OFDM is a key technology for next‐generation cellular communications as well as wireless LAN, wireless PAN, and broadcasting. The chapter outlines the modulation and coding scheme for LTE FDD. The multiuser algorithms are based on the DS/CDMA simulation software system and the system model developed by D. L. Anair. The chapter illustrates a complete DS/CDMA system employing an antenna array at the receiver. Combined with multiple antennas at the transmitter and receiver, as well as adaptive modulation, OFDM proves to be robust against channel delay spread.
Publisher
John Wiley & Sons, Incorporated,John Wiley & Sons, Ltd
Subject
ISBN
1118938240, 9781118938249
