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US 8,787,907 B2Granted
Frequency selection and transition over white space
AssigneeQUALCOMM Incorporated
InventorsAvinash Jain, Ahmed K. Sadek
Life of this patent
Estimating the term…
Abstract
A method of wireless communication includes determining at least one neighboring apparatus from which to obtain information, obtaining information related to a plurality of channels from the at least one neighboring apparatus, selecting a channel from the plurality of channels based on the obtained information, and transmitting on the selected channel.
Claims16
A method of wireless communication of a cognitive base station transmitting on an operational channel, comprising:
- obtaining information corresponding to, 1) for each of a plurality of neighboring base stations, a white space channel selected by the respective neighboring base station, and 2) interference measurements for each of the plurality of selected white space channels;
- creating a list of candidate white space channels based on a value ranking for each of the plurality of selected white space channels, wherein the value ranking of a respective white space channel is based on the number of neighboring base stations that selected the respective white space channel and the interference measurements for the respective white space channel, and the list is in an order of interference or likelihood of causing interference;
- selecting a backup channel from the list of candidate white space channels;
- and
- transitioning from the operational channel to the backup channel based on a predefined criteria by stopping the transmission on the operational channel and initiating a transmission on the backup channel.
2 more elements
An apparatus for wireless communication, comprising:
- means for obtaining information corresponding to, 1) for each of a plurality of neighboring base stations, a white space channel selected by the respective neighboring base station, and 2) interference measurements for each of the plurality of selected white space channels;
- means for creating a list of candidate white space channels based on a value ranking for each of the plurality of selected white space channels, wherein the value ranking of a respective white space channel is based on the number of neighboring base stations that selected the respective white space channel and the interference measurements for the respective white space channel, and the list is in an order of interference or likelihood of causing interference;
- means for selecting a backup channel from the list of candidate white space channels;
- and
- means for transitioning from the operational channel to the backup channel based on a predefined criteria by stopping the transmission on the operational channel and initiating a transmission on the backup channel.
2 more elements
A computer program product for a base station, comprising:
- a non-transitory computer-readable medium comprising code for:
- obtaining information corresponding to, 1) for each of a plurality of neighboring base stations, a white space channel selected by the respective neighboring base station, and 2) interference measurements for each of the plurality of selected white space channels;
- creating a list of candidate white space channels based on a value ranking for each of the plurality of selected white space channels, wherein the value ranking of a respective white space channel is based on the number of neighboring base stations that selected the respective white space channel and the interference measurements for the respective white space channel, and the list is in an order of interference or likelihood of causing interference;
- selecting a backup channel from the list of candidate white space channels;
- and
- transitioning from the operational channel to the backup channel based on a predefined criteria by stopping the transmission on the operational channel and initiating a transmission on the backup channel.
3 more elements
An apparatus for wireless communication, comprising:
- a processing system configured to:
- obtain information corresponding to, 1) for each of a plurality of neighboring base stations, a white space channel selected by the respective neighboring base station, and 2) interference measurements for each of the plurality of selected white space channels;
- creating a list of candidate white space channels based on a value ranking for each of the plurality of selected white space channels, wherein the value ranking of a respective white space channel is based on the number of neighboring base stations that selected the respective white space channel and the interference measurements for the respective white space channel, and the list is in an order of interference or likelihood of causing interference;
- select a backup channel from the list of candidate white space channels;
- and
- transition from the operational channel to the backup channel based on a predefined criteria by stopping the transmission on the operational channel and initiating a transmission on the backup channel.
3 more elements
Dependencies are inferred from the claim text.