CDMA and MIMO Diversity Reception Technologies

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Resource Overview

Wireless communication CDMA and MIMO diversity reception technologies - covering 1 transmit 2 receive (SIMO), 2 transmit 1 receive (MISO), 1 transmit 1 receive (SISO), and 2 transmit 2 receive (MIMO) configurations

Detailed Documentation

Wireless CDMA communication utilizes MIMO technology for diversity reception. The system can operate in three primary configurations: 1 transmitter with 2 receivers (SIMO), 2 transmitters with 1 receiver (MISO), and 2 transmitters with 2 receivers (MIMO).

In implementation, these configurations leverage spatial diversity through multiple antennas to combat fading and improve signal reliability. The SIMO setup employs receive diversity using maximum ratio combining algorithms, while MISO utilizes transmit diversity through techniques like Alamouti coding. The full MIMO configuration employs spatial multiplexing and beamforming algorithms to maximize both diversity gain and data throughput.

Key implementation aspects include channel estimation algorithms, correlation processing for spreading codes in CDMA systems, and signal combining techniques for optimal SNR improvement across all diversity schemes.

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