Antenna subset and directional channel access in a shared radio frequency spectrum band
First Claim
1. A method of communication at a base station, comprising:
- performing, at the base station, a first access procedure for access to a shared radio frequency spectrum band during a time period using a first subset of antennas associated with the base station;
performing, at the base station, a second access procedure for access to the shared radio frequency spectrum band during the time period using a second subset of antennas associated with the base station different from the first subset of antennas;
identifying, at the base station, that the first subset of antennas can access the shared radio frequency spectrum band based at least in part on performing the first access procedure; and
accessing, at the base station, the shared radio frequency spectrum band using the first subset of antennas.
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Accused Products
Abstract
Techniques are provided for accessing a shared radio frequency spectrum band by selecting a subset antennas associated with a successful access procedure for accessing the shared radio frequency spectrum. In some examples, a wireless communication device, such as a network node, may perform a listen before talk (LBT) procedure for each of two or more subsets of antennas associated with the network node, and only those subsets of antennas that pass the LBT procedure are used for transmissions during the associated time period, while other antennas are idle, or used for transmissions on another radio frequency spectrum band during the associated time period. In some examples, antennas of a wireless communication device may perform an access procedure utilizing beamforming capabilities of associated antennas to determine one or more different spatial directions that may provide access to the shared radio frequency spectrum band.
12 Citations
20 Claims
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1. A method of communication at a base station, comprising:
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performing, at the base station, a first access procedure for access to a shared radio frequency spectrum band during a time period using a first subset of antennas associated with the base station; performing, at the base station, a second access procedure for access to the shared radio frequency spectrum band during the time period using a second subset of antennas associated with the base station different from the first subset of antennas; identifying, at the base station, that the first subset of antennas can access the shared radio frequency spectrum band based at least in part on performing the first access procedure; and accessing, at the base station, the shared radio frequency spectrum band using the first subset of antennas. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. An apparatus for communication at a base station, comprising:
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a processor; memory in electronic communication with the processor; and instructions stored in the memory;
wherein the instructions are executable by the processor to cause the apparatus to;perform, at the base station, a first access procedure for access to a shared radio frequency spectrum band during a time period using a first subset of antennas associated with the base station; perform, at the base station, a second access procedure for access to the shared radio frequency spectrum band during the time period using a second subset of antennas associated with the base station different from the first subset of antennas; identify, at the base station, that the first subset of antennas can access the shared radio frequency spectrum band based at least in part on performing the first access procedure; and access, at the base station, the shared radio frequency spectrum band using the first subset of antennas.
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Specification