Synchronization sequence construction method in super cellular mobile communication device-to-device technology
A technology of cellular mobile communication and terminal direct connection, which is applied to the synchronization field in mobile communication, can solve problems such as large computational complexity and estimation errors, and achieve the effects of low computational complexity, simple generation, and avoidance of outliers.
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[0026] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0027] The present invention utilizes the periodic synchronization sequence constructed by non-zero sub-carriers and zero sub-carriers which is suitable for the terminal direct cooperative transmission scenario in the cellular / ultracellular mobile communication system, and the frequency domain synchronization sequences corresponding to each relay terminal node are mutually orthogonal, And they are all composed of periodic sub-carrier groups, each sub-carrier group has a non-zero sub-carrier, and other sub-carriers are all zero sub-carriers. Based on the constructed synchronization sequence, the time offset and frequency offset of all relay links can be estimated simultaneously, realizing multi-parameter estimation with low complexity.
[0028] The supercellular mobile communication terminal straight-through technology synchronization sequence construction...
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Abstract
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