Control channel provisioning and signaling
First Claim
1. A method in a base unit for transmitting control information for a communication device, the method comprising the steps of:
- generating a control channel message comprising control information associated with the communication device;
determining that a location of a first set of resources in a search space within a control region is offset from another location of an additional set of resources in the search space, the first set of resources based on a first control channel message type for a first carrier and an identifier associated with the communication device, the additional set of resources based on an additional control channel message type for at least one additional carrier, the at least one additional carrier not including the first carrier;
selecting a subset of resources within the determined first set of resources for transmitting the control channel message; and
transmitting the control channel message on the selected resources in the control region on a first carrier.
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Accused Products
Abstract
There is provided a communication device and a base unit, and methods thereof, for determining control information. The communication device receives a control channel message associated with the communication device in a control region on a first carrier from a base unit. The communication device also determines a set of resources in a search space within the control region, attempts to decode the set of resources in the search space for the control channel message, and determines control information from the decoded control channel message. The base unit generates a control channel message comprising control information associated with the communication device, determines a set of resources in a search space within a control region, selects a subset of resources within the determined set of resources for transmitting the control channel message, and transmits the control channel message on the selected resources in the control region on a first carrier.
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Citations
24 Claims
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1. A method in a base unit for transmitting control information for a communication device, the method comprising the steps of:
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generating a control channel message comprising control information associated with the communication device; determining that a location of a first set of resources in a search space within a control region is offset from another location of an additional set of resources in the search space, the first set of resources based on a first control channel message type for a first carrier and an identifier associated with the communication device, the additional set of resources based on an additional control channel message type for at least one additional carrier, the at least one additional carrier not including the first carrier; selecting a subset of resources within the determined first set of resources for transmitting the control channel message; and transmitting the control channel message on the selected resources in the control region on a first carrier. - View Dependent Claims (2, 3)
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4. A method in a communication device for determining control information, the method comprising the steps of:
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receiving a control channel message associated with the communication device in a control region on a first carrier from a base unit; determining that a location of a first set of resources in a search space within the control region is offset from another location of an additional set of resources in the search space, the first set of resources based on a first control channel message type for a first carrier and an identifier associated with the communication device, the additional set of resources based on an additional control channel message type for at least one additional carrier, the at least one additional carrier not including the first carrier; attempting to decode the first set of resources in the search space for the control channel message; and determining control information from the decoded control channel message. - View Dependent Claims (5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A communication device for determining control information comprising:
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a transceiver for receiving a control channel message associated with the communication device in a control region on a first carrier from a base unit; and at least one processor for; determining that a location of a first set of resources in a search space within the control region is offset from another location of an additional set of resources in the search space, the first set of resources based on a first control channel message type for a first carrier and an identifier associated with the communication device, the additional set of resources based on an additional control channel message type for at least one additional carrier, the at least one additional carrier not including the first carrier; attempting to decode the first set of resources in the search space for the control channel message; and determining control information from the decoded control channel message. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24)
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Specification