EPDCCH resource and quasi-co-location management in LTE

A method of wireless communication at a user equipment, comprising:

• receiving a configuration of at least a first resource set and a second resource set for an enhanced physical downlink control channel (EPDCCH), wherein the first and second resource sets are configured with a common cell-specific reference signal (CRS) configuration;
• receiving resource set dependent rate matching parameters for the EPDCCH having the common CRS configuration, the resource set dependent rate matching parameters including first rate-matching parameters configured for the first resource set and second rate-matching parameters configured for the second resource set, the first rate-matching parameters being different from the second rate-matching parameters;
• and
• receiving the EPDCCH using the first resource set and the second resource set,
• wherein the first rate-matching parameters correspond to a first CRS comprised in the common CRS configuration, wherein EPDCCH resource elements (REs) in the first resource set are rate-matched around the first CRS, and
• wherein the second rate-matching parameters correspond to a second CRS comprised in the common CRS configuration , wherein EPDCCH REs in the second resource set are rate-matched around the second CRS.

An apparatus for wireless communication at a user equipment, comprising:

• means for receiving a configuration of at least a first resource set and a second resource set for an enhanced physical downlink control channel (EPDCCH), wherein the first and second resource sets are configured with a common channel state information reference signals (CSI-RS) configuration;
• means for receiving resource set dependent rate matching parameters for the EPDCCH having the common CSI-RS configuration, the resource set dependent rate matching parameters including first rate-matching parameters configured for the first resource set and second rate-matching parameters configured for the second resource set, the first rate-matching parameters being different from the second rate-matching parameters;
• and
• means for receiving the EPDCCH based on the first resource set and the second resource set,
• wherein the first rate-matching parameters correspond to a first CSI-RS comprised in the common CSI-RS configuration, wherein EPDCCH resource elements (REs) in the first resource set are rate-matched around the first CSI-RS, and
• wherein the second rate-matching parameters correspond to a second CSI-RS comprised in the common CSI-RS configuration, wherein EPDCCH REs in the second resource set are rate-matched around the second CSI-RS.

An apparatus of wireless communication at a user equipment, comprising:

• means for receiving a configuration of at least a first resource set and a second resource set for an enhanced physical downlink control channel (EPDCCH), wherein the first and second resource sets are configured with a common cell-specific reference signal (CRS) configuration;
• means for receiving resource set dependent rate matching parameters for the EPDCCH having the common CRS configuration, the resource set dependent rate matching parameters including first rate-matching parameters configured for the first resource set and second rate-matching parameters configured for the second resource set, the first rate-matching parameters being different from the second rate-matching parameters;
• and
• means for receiving the EPDCCH using the first resource set and the second resource set,
• wherein the first rate-matching parameters correspond to a first CRS comprised in the common CRS configuration, wherein EPDCCH resource elements (REs) in the first resource set are rate-matched around the first CRS, and
• wherein the second rate-matching parameters correspond to a second CRS comprised in the common CRS configuration, wherein EPDCCH REs in the second resource set are rate-matched around the second CRS.

An apparatus for wireless communication at a user equipment, comprising:

• a memory;
• and
• at least one processor coupled to the memory and configured to:
• receive a configuration of at least a first resource set and a second resource set for an enhanced physical downlink control channel (EPDCCH), wherein the first and second resource sets are configured with a common channel state information reference signals (CSI-RS) configuration;
• receive resource set dependent rate matching parameters for the EPDCCH having the common CSI-RS configuration, the resource set dependent rate matching parameters including first rate-matching parameters configured for the first resource set and second rate-matching parameters configured for the second resource set, the first rate-matching parameters being different from the second rate-matching parameters;
• and
• receive the EPDCCH based on the first resource set and the second resource set,
• wherein the first rate-matching parameters correspond to a first CSI-RS comprised in the common CSI-RS configuration, wherein EPDCCH resource elements (REs) in the first resource set are rate-matched around the first CSI-RS, and
• wherein the second rate-matching parameters correspond to a second CSI-RS comprised in the common CSI-RS configuration, wherein EPDCCH REs in the second resource set are rate-matched around the second CSI-RS.

An apparatus for wireless communication at a user equipment, comprising:

• a memory;
• and
• at least one processor coupled to the memory and configured to:
• receive a configuration of at least a first resource set and a second resource set an enhanced physical downlink control channel (EPDCCH), wherein the first and second resource sets are configured with a common cell-specific reference signal (CRS) configuration;
• receive resource set dependent rate matching parameters for the EPDCCH having the common CRS configuration, the resource set dependent rate matching parameters including first rate-matching parameters configured for the first resource set and second rate-matching parameters configured for the second resource set, the first rate-matching parameters being different from the second rate-matching parameters;
• and
• receive the EPDCCH using the first resource set and the second resource set,
• wherein the first rate-matching parameters correspond to a first CRS comprised in the common CRS configuration, wherein EPDCCH resource elements (REs) in the first resource set are rate-matched around the first CRS, and
• wherein the second rate-matching parameters correspond to a second CRS comprised in the common CRS configuration, wherein EPDCCH REs in the second resource set are rate-matched around the second CRS.

A non-transitory computer-readable medium storing computer executable code for wireless communication at a user equipment, comprising code to:

• receive a configuration of at least a first resource set and a second resource set for an enhanced physical downlink control channel (EPDCCH), wherein the first and second resource sets are configured with a common channel state information reference signals (CSI-RS) configuration;
• receive resource set dependent rate matching parameters for the EPDCCH having the common CSI-RS configuration, the resource set dependent rate matching parameters including first rate-matching parameters configured for the first resource set and second rate-matching parameters configured for the second resource set, the first rate-matching parameters being different from the second rate-matching parameters;
• and
• receive the EPDCCH based on the first resource set and the second resource set,
• wherein the first rate-matching parameters correspond to a first CSI-RS comprised in the common CSI-RS configuration, wherein EPDCCH resource elements (REs) in the first resource set are rate-matched around the first CSI-RS, and
• wherein the second rate-matching parameters correspond to a second CSI-RS comprised in the common CSI-RS configuration, wherein EPDCCH REs in the second resource set are rate-matched around the second CSI-RS.

A non-transitory computer-readable medium storing computer executable code for wireless communication at a user equipment, comprising code to:

• receive a configuration of at least a first resource set and a second resource set for an enhanced physical downlink control channel (EPDCCH), wherein the first and second resource sets are configured with a common cell-specific reference signal (CRS) configuration;
• receive resource set dependent rate matching parameters for the EPDCCH having the common CRS configuration, the resource set dependent rate matching parameters including first rate-matching parameters configured for the first resource set and second rate-matching parameters configured for the second resource set, the first rate-matching parameters being different from the second rate-matching parameters;
• and
• receive the EPDCCH using the first resource set and the second resource set,
• wherein the first rate-matching parameters correspond to a first CRS comprised in the common CRS configuration, wherein EPDCCH resource elements (REs) in the first resource set are rate-matched around the first CRS, and
• wherein the second rate-matching parameters correspond to a second CRS comprised in the common CRS configuration, wherein EPDCCH REs in the second resource set are rate-matched around the second CRS.