UPLINK TIMING SYNCHRONIZATION RECOVERY PROCESS
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United States of America Patent
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Jan 21, 2016
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Jan 22, 2015
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Abstract
Systems, methods, apparatuses, and computer program products for an uplink timing synchronization recovery process for RACH-less handover are provided. One method includes detecting, by a network node, that at least one uplink transmission has not been successfully received from a user equipment. The method may also include transmitting a physical downlink control channel (PDCCH) order to the user equipment for re-initiating random access procedure (RACH) in order to become uplink synchronized.
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