[图书][B] Computation and architectures for array receivers in large delay-doppler spreading
JA Flynn - 2004 - dl.acm.org
2004•dl.acm.org
Underwater acoustic telemetry is currently a frontier of wireless communications engineering
research. Problems solved decades ago for terrestrial wireless environments have
resurfaced, so to speak, with greater severity. Yet, expectations for wireless connectivity
performance increase every season. The difficulties faced here are due to the nature of the
underwater acoustic environment. Some of these include (1) extended, rapidly fading
impulse responses;(2) a high level of environmental noise and intrinsic signal-dependent …
research. Problems solved decades ago for terrestrial wireless environments have
resurfaced, so to speak, with greater severity. Yet, expectations for wireless connectivity
performance increase every season. The difficulties faced here are due to the nature of the
underwater acoustic environment. Some of these include (1) extended, rapidly fading
impulse responses;(2) a high level of environmental noise and intrinsic signal-dependent …
Underwater acoustic telemetry is currently a frontier of wireless communications engineering research. Problems solved decades ago for terrestrial wireless environments have resurfaced, so to speak, with greater severity. Yet, expectations for wireless connectivity performance increase every season.
The difficulties faced here are due to the nature of the underwater acoustic environment. Some of these include (1) extended, rapidly fading impulse responses; (2) a high level of environmental noise and intrinsic signal-dependent interference; and (3) narrow bandwidth due to range-dependent attenuation.
This thesis presents a range of array receiver approaches to the underwater telemetry problem. Special attention is given to adaptive computation, performance, and robustness. To maintain a focus on the architectures and their implications, existing techniques and results from numerical analysis and statistics are exploited whenever possible. Underwater experiment data and simulations demonstrate the algorithms' performance.
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