Method and apparatus for mitigating physical uplink control channel (PUCCH) interference in long term evolution (LTE) systems
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United States of America Patent
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Nov 4, 2014
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app pub date -
Oct 3, 2013
filing date -
Oct 3, 2013
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Abstract
Disclosed herein are embodiments of a method and embodiments of an apparatus for mitigating physical uplink control channel (PUCCH) interference in Long Term Evolution (LTE) systems. In an embodiment, a wireless-communication device receives downlink transport blocks and responsively transmits corresponding acknowledgement messages via the PUCCH. The device determines that an excessive number of unsolicited (i.e., already-acknowledged) retransmitted downlink transport blocks has been received, and responsively: transmits a scheduling-request message via a random access channel (RACH) and obtains a physical uplink shared channel (PUSCH) scheduling grant, accesses pseudo uplink data, annexes uplink-feedback data to the pseudo uplink data, and transmits the pseudo uplink data and annexed uplink-feedback data via the PUSCH in accordance with the obtained PUSCH scheduling grant.
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