Abstract
ePDCCH may be provided. For example, a WTRU may receive a configuration for monitoring an ePDCCH resource. Based on the configuration, the WTRU may be configured to monitor and may monitor the ePDCCH resource on a particular subframe. Additionally, a WTRU may derive an aggregation level for a subframe associated with an aggregation level number NAL. The WTRU may transmit or monitor an ePDCCH using the aggregation level associated with the NAL for the subframe. A WTRU may also receive a reference signal. The WTRU may then determine the type of reference signal received. The WTRU may perform a demodulation of the PDSCH or ePDCCH using a demodulation timing based on the determined type. The ePDCCH or PDSCH may also be monitored or received by identifying a demodulation reference timing implicitly based on a location of one or more ePDCCH resources where the WTRU may receive DCI.
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4G | 25/11/2013 | ISLD-201311-007 | INTERDIGITAL INC |
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5G | 07/11/2019 | ISLD-201910-015 | INTERDIGITAL INC |
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US2013194931A1 | 4G | 25/11/2013 | ISLD-201311-007 | INTERDIGITAL INC |
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US2013194931A1 | 5G | 07/11/2019 | ISLD-201910-015 | INTERDIGITAL INC |
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US9794913B2 | 4G | 25/11/2013 | ISLD-201311-007 | INTERDIGITAL INC |
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Yes | Basis Patent | |||
US9794913B2 | 5G | 07/11/2019 | ISLD-201910-015 | INTERDIGITAL INC |
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Yes | Basis Patent | |||
WO2013112972A1 | 4G | 25/11/2013 | ISLD-201311-007 | INTERDIGITAL INC |
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WO2013112972A1 | 5G | 07/11/2019 | ISLD-201910-015 | INTERDIGITAL INC |
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CN104081709A | 4G | 25/11/2013 | ISLD-201311-007 | INTERDIGITAL INC |
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No | Family Member | |||
CN104081709A | 5G | 07/11/2019 | ISLD-201910-015 | INTERDIGITAL INC |
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CN104081709B | 4G | 25/11/2013 | ISLD-201311-007 | INTERDIGITAL INC |
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CN104081709B | 5G | 07/11/2019 | ISLD-201910-015 | INTERDIGITAL INC |
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EP2807784A1 | 4G | 25/11/2013 | ISLD-201311-007 | INTERDIGITAL INC |
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JP2015508956A | 4G | 25/11/2013 | ISLD-201311-007 | INTERDIGITAL INC |
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JP2015508956A | 5G | 07/11/2019 | ISLD-201910-015 | INTERDIGITAL INC |
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TWI632793B | 5G | 07/11/2019 | ISLD-201910-015 | INTERDIGITAL INC |
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JP2017092995A | 4G | 25/11/2013 | ISLD-201311-007 | INTERDIGITAL INC |
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No | Family Member | |||
JP2017092995A | 5G | 07/11/2019 | ISLD-201910-015 | INTERDIGITAL INC |
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No | Family Member | |||
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JP6514250B2 | 5G | 07/11/2019 | ISLD-201910-015 | INTERDIGITAL INC |
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No | Family Member | |||
JP2019110610A | 4G | 25/11/2013 | ISLD-201311-007 | INTERDIGITAL INC |
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JP2019110610A | 5G | 07/11/2019 | ISLD-201910-015 | INTERDIGITAL INC |
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Technologies
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Use Cases
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Claim
1-29. (canceled)
30. A method implemented by a wireless transmit/receive unit (WTRU) for utilizing an enhanced physical downlink control channel (ePDCCH), the method comprising:
the WTRU receiving a configuration, the configuration defining a plurality of ePDCCH resource sets for monitoring an ePDCCH, each ePDCCH resource set being associated with a respective scrambling sequence, wherein the configuration indicates demodulation timing reference information for each ePDCCH resource set; the WTRU monitoring at least one search space associated with each ePDCCH resource set, wherein each ePDCCH resource set is associated with a demodulation reference signal (DM-RS) associated with the scrambling sequence configured for that ePDCCH resource set; and the WTRU receiving at least one ePDCCH transmission via at least one of the ePDCCH resource sets.
31. The method of claim 30, wherein the demodulation timing reference information comprises channel state information reference signal (CSI-RS) information to be used for determining a demodulation timing reference.
32. The method of claim 30, wherein the demodulation timing reference information comprises an indication of a pair of antenna ports that may be assumed to be quasi co-located for ePDCCH processing.
33. The method of claim 32, wherein the pair of antenna ports are each associated with a common channel state information reference signal (CSI-RS).
34. The method of claim 32, wherein the WTRU assumes that the quasi co-located pair of antenna ports have a common Doppler shift, Doppler spread, average delay, and delay spread.
35. The method of claim 30, wherein each ePDCCH resource set is associated with a different network transmission point.
36. The method of claim 30, wherein the at least one search space is a WTRU-specific search space.
37. A wireless transmit/receive unit (WTRU) comprising:
a processor configured to:
receive a configuration, the configuration defining a plurality of an enhanced physical downlink control channel (ePDCCH) resource sets for monitoring an ePDCCH, each ePDCCH resource set being associated with a respective scrambling sequence,
wherein the configuration indicates demodulation timing reference information for each ePDCCH resource set;
monitor at least one search space associated with each ePDCCH resource set,
wherein each ePDCCH resource set is associated with a demodulation reference signal (DM-RS) associated with the scrambling sequence configured for that ePDCCH resource set; and receive at least one ePDCCH transmission via at least one of the ePDCCH resource sets.
38. The WTRU of claim 37, wherein the demodulation timing reference information comprises channel state information reference signal (CSI-RS) information to be used for determining a demodulation timing reference.
39. The WTRU of claim 37, wherein the demodulation timing reference information comprises an indication of a pair of antenna ports that may be assumed to be quasi co-located for ePDCCH processing.
40. The WTRU of claim 39, wherein the pair of antenna ports are each associated with a common channel state information reference signal (CSI-RS).
41. The WTRU of claim 39, wherein the WTRU assumes that the quasi co-located pair of antenna ports have a common Doppler shift, Doppler spread, average delay, and delay spread.
42. The WTRU of claim 37, wherein each ePDCCH resource set is associated with a different network transmission point.
43. The WTRU of claim 37, wherein the at least one search space is a WTRU-specific search space.
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Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
Family member:related patents or applications that share a common priority or original filing.