SPATIAL HASHING FOR ENHANCED CONTROL CHANNEL SEARCH SPACES
First Claim
Patent Images
1. A method, comprising:
- defining a control channel search space for searching for control channel candidates,defining search space locations within the search space,grouping the search space locations into a plurality of subsets of search space locations,associating each subset of search space locations with an antenna port,for each of a plurality of subframes, changing the search space locations from a first subset of search space locations to a second subset of search space locations.
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Abstract
The present invention provides a method, apparatus and a computer program product for spatial hashing for enhanced control channel search spaces. The present invention includes defining a control channel search space for searching for control channel candidates, defining search space locations within the search space, grouping the search space locations into a plurality of subsets of search space locations, associating each subset of search space locations with an antenna port, for each of a plurality of subframes, changing the search space locations from a first subset of search space locations to a second subset of search space locations.
56 Citations
28 Claims
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1. A method, comprising:
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defining a control channel search space for searching for control channel candidates, defining search space locations within the search space, grouping the search space locations into a plurality of subsets of search space locations, associating each subset of search space locations with an antenna port, for each of a plurality of subframes, changing the search space locations from a first subset of search space locations to a second subset of search space locations. - View Dependent Claims (2, 3, 4, 5)
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6. A method, comprising:
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defining a control channel search space for searching for control channel candidates, defining search space locations within the search space, grouping the search space locations into N subsets of search space locations, wherein N is the number of antenna ports, associating each of the N subsets of search space locations with one of the N antenna ports, alternating the association between each of the N subsets and said antenna port for each of the N subframes, changing the search space locations from a first subset of search space locations to a second subset of search space locations at every N subframe. - View Dependent Claims (7, 8)
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9. An apparatus, comprising:
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at least one processor, and at least one memory including computer program code, the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to perform; defining a control channel search space for searching for control channel candidates, defining search space locations within the search space, grouping the search space locations into a plurality of subsets of search space locations, associating each subset of search space locations with an antenna port, for each of a plurality of subsets, changing the search space locations from a first subset of search space locations to a second subset of search space locations. - View Dependent Claims (10, 11, 12, 13)
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14. An apparatus, comprising:
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at least one processor, and at least one memory including computer program code, the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to perform; defining a control channel search space for searching for control channel candidates, defining search space locations within the search space, grouping the search space locations into N subsets of search space locations, wherein N is the number of antenna ports, associating each of the N subsets of search space locations with one of the N antenna ports, alternating the association between each of the N subsets and said antenna port for each of the N subframes, changing the search space locations from a first subset of search space locations to a second subset of search space locations at every N subframe. - View Dependent Claims (15, 16)
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17. A method comprising:
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defining a control channel search space for scheduling control channels, defining search space locations within the search space, scheduling one or a plurality of control channels in the defined search space locations, wherein the search space locations are grouped into subsets, each subset of search space locations is associated with an antenna port, and for each of a plurality of subframes, the search space locations are changed from a first subset of search space locations to a second subset of search space locations. - View Dependent Claims (18, 19, 20)
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21. A method, comprising:
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defining a control channel search space for scheduling control channels, defining search space locations within the search space, scheduling one or a plurality of control channels in the defined search space locations, wherein the search space locations are grouped into N subsets of search space locations, wherein N is the number of antenna ports, each of the N subsets of search space locations is associated with one of the N antenna ports, the association between each of the N subsets of search space locations and said antenna port for each of the N subframes is alternated, the search space locations are changed from a first subset of search space locations to a second subset of search space locations at every N subframe. - View Dependent Claims (22)
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23. An apparatus, comprising:
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at least one processor, and at least one memory including computer program code, the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to perform; defining a control channel search space for scheduling control channels, defining search space locations within the search space, scheduling one or a plurality of control channels in the defined search space locations, wherein the search space locations are grouped into a plurality subsets, each subset of search space locations is associated with an antenna port, and for each of a plurality of subframes, the search space locations are changed from a first subset of search space locations to a second subset of search space locations. - View Dependent Claims (24, 25, 26)
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27. An apparatus, comprising:
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at least one processor, and at least one memory including computer program code, the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to perform; defining a control channel search space for scheduling control channels, defining search space locations within the search space, scheduling one or a plurality of control channels in the defined search space locations, wherein the search space locations are grouped into N subsets of search space locations, wherein N is the number of antenna ports, each of the N subsets of search space locations is associated with one of the N antenna ports, the association between each of the N subsets and said antenna port for each of the N subframes is alternated, the search space locations are changed from a first subset of search space locations to a second subset of search space locations at every N subframe. - View Dependent Claims (28)
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Specification