When lasers are transmitted in atmospheric channels, they are affected by atmospheric turbulence, rain, fog, and haze, which increase the bit-error rate (BER) of the communication system and, in severe cases, lead to communication interruptions. To effectively suppress the effect of atmospheric turbulence, researchers have explored the application of optical multiple-input multiple-output (MIMO) technology to atmospheric laser communications.

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Channel Model and Channel Capacity

  • Xizheng Ke

摘要

When lasers are transmitted in atmospheric channels, they are affected by atmospheric turbulence, rain, fog, and haze, which increase the bit-error rate (BER) of the communication system and, in severe cases, lead to communication interruptions. To effectively suppress the effect of atmospheric turbulence, researchers have explored the application of optical multiple-input multiple-output (MIMO) technology to atmospheric laser communications.