RESOURCE ALLOCATION SIGNALLING
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Abstract
A mobile telecommunications system is described in which a base station uses enhanced allocation techniques to reduce fragmentation of resource allocations within a sub-frame due to the presence of control data within resources used for carrying user data. Different solutions are described including provision of supplemental information to supplement existing resource allocation data, use of overloading such that DCI formats may have different interpretations and the provision of new DCI formats.
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Citations
79 Claims
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1-56. -56. (canceled)
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57. Communication apparatus in the form of a communication node for communicating with a user device over a wireless interface, the communication node comprising:
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transceiver circuitry that transmits signals to and receives signals from the user device using a sequence of sub-frames, each sub-frame comprising a plurality of communication resource blocks, each resource block corresponding to a sub-band of a system bandwidth used by the communication node to communicate with the user device and each resource block having a control portion for carrying first control data and a data portion for carrying user data; and a resource allocation module arranged to allocate, within a sub-frame, resource blocks for communicating with the user device; wherein the resource allocation module is arranged;
i) to generate first resource allocation data for transmission to the user device, which first resource allocation data allocates a first plurality of the resource blocks for use in communicating user data with the user device;
ii) to allocate at least one resource block for carrying second control data for the user device within the data portion of the at least one resource block, which at least one resource block is included within said first plurality of resource blocks allocated by said first resource allocation data; and
iii) to generate second resource allocation data for transmission to the user device that the user device can use to exclude the at least one resource block carrying said second control data from the first plurality of resource blocks allocated by said first resource allocation data. - View Dependent Claims (58, 59, 60, 61, 62, 63, 64, 65, 66, 78)
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67. Communication apparatus in the form of a user device for communicating with a communication node, the user device comprising:
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transceiver circuitry that transmits signals to and receives signals from the communication node using a sequence of sub-frames, each sub-frame comprising a plurality of communication resource blocks, each resource block corresponding to a sub-band of a system bandwidth of the communication node and each resource block having a control portion for carrying first control data and a data portion for carrying user data; and a communication control module that is arranged;
i) to receive first resource allocation data, which first resource allocation data allocates a first plurality of the resource blocks for use in communicating user data with the communication node;
ii) to receive at least one resource block that carries second control data for the user device within the data portion of the at least one resource block, which at least one resource block is included within said first plurality of resource blocks allocated by said first resource allocation data;
iii) to receive second resource allocation data relating to the at least one resource block carrying said second control data; and
iv) to exclude the at least one resource block carrying said second control data from the first plurality of resource blocks allocated by said first resource allocation data. - View Dependent Claims (68, 69, 70, 71, 72, 73, 74, 75, 79)
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76. A method performed within a communication node that communicates with a user device over a wireless interface, the method comprising:
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transmitting signals to and receiving signals from the user device using a sequence of sub-frames, each sub-frame comprising a plurality of communication resource blocks, each resource block corresponding to a sub-band of a system bandwidth used by the communication node to communicate with the user device and each resource block having a control portion for carrying first control data and a data portion for carrying user data; and allocating, within a sub-frame, resource blocks for communicating with the user device; wherein the allocating step comprises;
i) generating first resource allocation data for transmission to the user device, which first resource allocation data allocates a first plurality of the resource blocks for use in communicating user data with the user device;
ii) allocating at least one resource block for carrying second control data for the user device within the data portion of the at least one resource block, which at least one resource block is included within said first plurality of resource blocks allocated by said first resource allocation data; and
iii) generating second resource allocation data for transmission to the user device that the user device can use to exclude the at least one resource block carrying said second control data from the first plurality of resource blocks allocated by said first resource allocation data.
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77. A method performed by a user device that communicates with a communication node, the method comprising:
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transmits signals to and receiving signals from the communication node using a sequence of sub-frames, each sub-frame comprising a plurality of communication resource blocks, each resource block corresponding to a sub-band of a system bandwidth used by the user device to communicate with the communication node and each resource block having a control portion for carrying first control data and a data portion for carrying user data; and controlling the communication, including;
i) receiving first resource allocation data, which first resource allocation data allocates a first plurality of the resource blocks for use in communicating user data with the communication node;
ii) receiving at least one resource block that carries second control data for the user device within the data portion of the at least one resource block, which at least one resource block is included within said first plurality of resource blocks allocated by said first resource allocation data;
iii) receiving second resource allocation data relating to the at least one resource block carrying said second control data; and
iv) excluding the at least one resource block carrying said second control data from the first plurality of resource blocks allocated by said first resource allocation data.
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Specification