Common EPDCCH search space
First Claim
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1. A methods of determining resources for control channel transmission, comprising:
- storing a configurable Radio Network Temporary Identifier in a first User Equipment and in a second User Equipment in the same cell of the first User Equipment,wherein the configurable Radio Network Temporary Identifier has the same value for the first User Equipment and for the second User Equipment, andwherein the configurable Radio Network Temporary Identifier is configured to define a common search space in an Enhanced Physical Downlink Control Channel for the first User Equipment and for the second User Equipment; and
transmitting control data to at least one of the first User Equipment and the second User Equipment,wherein the control data is mapped to one or more Enhanced Control Channel Elements,wherein the configurable Radio Network Temporary Identifier is used to map the control data to two lowest available aggregation levels of the one or more Enhanced Control Channel Elements, andwherein the configurable Radio Network Temporary Identifier is not used to map the control data to at least one of the remaining aggregation level(s) of the one or more Enhanced Control Channel Elements.
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Abstract
The present invention relates to a method for configuring a common search space in an Enhanced Physical Downlink Control Channel for at least a first User Equipment and a second User Equipment, by means of a configurable Radio Network Temporary Identifier. The invention further relates to the corresponding transmitter and received implementing the method.
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Citations
20 Claims
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1. A methods of determining resources for control channel transmission, comprising:
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storing a configurable Radio Network Temporary Identifier in a first User Equipment and in a second User Equipment in the same cell of the first User Equipment, wherein the configurable Radio Network Temporary Identifier has the same value for the first User Equipment and for the second User Equipment, and wherein the configurable Radio Network Temporary Identifier is configured to define a common search space in an Enhanced Physical Downlink Control Channel for the first User Equipment and for the second User Equipment; and transmitting control data to at least one of the first User Equipment and the second User Equipment, wherein the control data is mapped to one or more Enhanced Control Channel Elements, wherein the configurable Radio Network Temporary Identifier is used to map the control data to two lowest available aggregation levels of the one or more Enhanced Control Channel Elements, and wherein the configurable Radio Network Temporary Identifier is not used to map the control data to at least one of the remaining aggregation level(s) of the one or more Enhanced Control Channel Elements. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A base station comprising:
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a controller configured to store a configurable Radio Network Temporary Identifier in a first User Equipment and in a second User Equipment in the same cell of the first User Equipment, wherein the configurable Radio Network Temporary Identifier has the same value for the first User Equipment and for the second User Equipment, and wherein the configurable Radio Network Temporary Identifier is configured to define a common search space in an Enhanced Physical Downlink Control Channel for the first User Equipment and for the second User Equipment; and a transmitter configured to transmit control data to at least one of the first User Equipment and the second User Equipment, wherein the control data is mapped to one or more Enhanced Control Channel Elements, wherein the configurable Radio Network Temporary Identifier is used to map the control data to two lowest available aggregation levels of the one or more Enhanced Control Channel Elements, and wherein the configurable Radio Network Temporary Identifier is not used to map the control data to at least one of the remaining aggregation level(s) of the one or more Enhanced Control Channel Elements. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification