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Delay measurements and calibration methods and apparatus for distributed wireless systems
Delay measurements and calibration methods and apparatus for distributed wireless systems
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机译:分布式无线系统的延迟测量和校准方法及装置
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摘要
Delay measurement and delay calibration methods and apparatus are described for use within distributed wireless base stations employing a remote radio head topology. The methods and apparatus are usable in any system that requires accurate delay measurement and/or constant delay through an electronic device. The methods and apparatus for measuring delay embody a highly accurate distributed delay measurement architecture that handles multiple delay paths within distributed wireless base stations employing a remote radio head topology. The method and apparatus are amenable to implementation with current integrated circuit technology. The methods and apparatus for calibrating electronic delay within distributed base stations employing a remote radio head topology are useful for implementing distributed wireless base stations where transmit diversity is desired. Using the methods disclosed herein, delay within a distributed wireless base station can be measured and calibrated to achieve very deterministic delay characteristics at the system level.
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