COVERAGE ENHANCEMENT FOR TIME DIVISION DUPLEX AND ENHANCED INTERFERENCE MITIGATION AND TRAFFIC ADAPTATION IN LONG TERM EVOLUTION SYSTEMS

Methods and systems are disclosed for use by a wireless transmit/receive unit (WTRU) operating in a coverage enhanced (CE) or coverage enhancement mode. The WTRU may receive a first Time Division Duplex (TDD) uplink (UL)/down.link (DL) subframe configuration and may receive a second TDD UL/DL subfra...

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Bibliographische Detailangaben
Hauptverfasser:	SADEGHI, Pouriya, STERN-BERKOWITZ, Janet A, LEE, Moon-il
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TRANSMISSION TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION WIRELESS COMMUNICATIONS NETWORKS
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Beschreibung
Zusammenfassung:	Methods and systems are disclosed for use by a wireless transmit/receive unit (WTRU) operating in a coverage enhanced (CE) or coverage enhancement mode. The WTRU may receive a first Time Division Duplex (TDD) uplink (UL)/down.link (DL) subframe configuration and may receive a second TDD UL/DL subframe configuration. The WTRU may determine one or more subframes to use for receiving DL repetitions based on the first TDD UL/DL subframe configuration, and one or more sub- frames to use for transmitting UL repetitions based on the second TDD UL/DL subframe configuration. The WTRU may receive DL repetitions of a DL signal only in the determined one or more subframes for receiving DL repetitious, and may transmit UL repetiotions of a UL signal only in the determined one or more subframes for transmitting UL repetitions. The WTRU may receive a TDD transmission using enhanced Interference Mitigation and Traffic Adaptation (eIMTA) capability.