Methods and apparatus for overlapping MIMO physical sectors
DCFirst Claim
1. An apparatus, comprising:
- a plurality of directional antennas;
circuitry in communication with the directional antennas; and
at least one radio in communication with the directional antennas via the circuitry;
said apparatus configured to select at least one channel based on one or more channel characteristics and initiate a first transmission to a first multiple-input-multiple-output (MIMO)-capable portable wireless device, and further initiate a second transmission to a second multiple-input-multiple-output (MIMO)-capable portable wireless device, such that at least a portion of the first transmission occurs simultaneously with at least a portion of the second transmission and both occur via a first wireless protocol, where the apparatus is configured to;
receive first information from the first multiple-input-multiple-output (MIMO)-capable portable wireless device that is based on a first measurement performed by the first multiple-input-multiple-output (MIMO)-capable portable wireless device;
receive second information from the second multiple-input-multiple-output (MIMO)-capable portable wireless device that is based on a second measurement performed by the second multiple-input-multiple-output (MIMO)-capable portable wireless device;
alter at least one aspect of the first transmission in connection with a first multiple of the directional antennas, based on the first information and the second information, so as to direct the first transmission more towards the first multiple-input-multiple-output (MIMO)-capable portable wireless device as compared to the second multiple-input-multiple-output (MIMO)-capable portable wireless device, thereby reducing interference between the first transmission and the second transmission when the at least portion of the first transmission occurs simultaneously with the at least portion of the second transmission;
alter at least one aspect of the second transmission in connection with a second multiple of the directional antennas, based on the first information and the second information, so as to direct the second transmission more towards the second multiple-input-multiple-output (MIMO)-capable portable wireless device as compared to the first multiple-input-multiple-output (MIMO)-capable portable wireless device, thereby reducing the interference between the first transmission and the second transmission when the at least portion of the first transmission occurs simultaneously with the at least portion of the second transmission;
transmit first data in connection with the first transmission to the first multiple-input-multiple-output (MIMO)-capable portable wireless device, utilizing the first multiple of the directional antennas; and
transmit second data in connection with the second transmission to the second multiple-input-multiple-output (MIMO)-capable portable wireless device, utilizing the second multiple of the directional antennas;
said apparatus further configured to initiate a third transmission to a third multiple-input-multiple-output (MIMO)-capable portable wireless device via a second wireless protocol, where the apparatus is configured to;
receive third information from the third multiple-input-multiple-output (MIMO)-capable portable wireless device that is based on a third measurement performed by the third multiple-input-multiple-output (MIMO)-capable portable wireless device;
alter at least one aspect of the third transmission in connection with a third multiple of the directional antennas, based on the third information, so as to direct the third transmission towards the third multiple-input-multiple-output (MIMO)-capable portable wireless device; and
transmit third data in connection with the third transmission to the third multiple-input-multiple-output (MIMO)-capable portable wireless device, utilizing the third multiple of the directional antennas.
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Abstract
A system is provided comprising: a first wireless part with a multiple-input-multiple-output (MIMO) capability; a second wireless part with a multiple-input-multiple-output (MIMO) capability; and circuitry in communication with the first wireless part with the multiple-input-multiple-output (MIMO) capability and the second wireless part with the multiple-input-multiple-output (MIMO) capability. The system is configured such that the first wireless part with the multiple-input-multiple-output (MIMO) capability selects a channel based on one or more channel characteristics and initiates a first transmission to a first multiple-input-multiple-output (MIMO)-capable portable wireless device via the first wireless protocol, and further initiates a second transmission to a second multiple-input-multiple-output (MIMO)-capable portable wireless device.
12 Citations
28 Claims
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1. An apparatus, comprising:
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a plurality of directional antennas; circuitry in communication with the directional antennas; and at least one radio in communication with the directional antennas via the circuitry; said apparatus configured to select at least one channel based on one or more channel characteristics and initiate a first transmission to a first multiple-input-multiple-output (MIMO)-capable portable wireless device, and further initiate a second transmission to a second multiple-input-multiple-output (MIMO)-capable portable wireless device, such that at least a portion of the first transmission occurs simultaneously with at least a portion of the second transmission and both occur via a first wireless protocol, where the apparatus is configured to; receive first information from the first multiple-input-multiple-output (MIMO)-capable portable wireless device that is based on a first measurement performed by the first multiple-input-multiple-output (MIMO)-capable portable wireless device; receive second information from the second multiple-input-multiple-output (MIMO)-capable portable wireless device that is based on a second measurement performed by the second multiple-input-multiple-output (MIMO)-capable portable wireless device; alter at least one aspect of the first transmission in connection with a first multiple of the directional antennas, based on the first information and the second information, so as to direct the first transmission more towards the first multiple-input-multiple-output (MIMO)-capable portable wireless device as compared to the second multiple-input-multiple-output (MIMO)-capable portable wireless device, thereby reducing interference between the first transmission and the second transmission when the at least portion of the first transmission occurs simultaneously with the at least portion of the second transmission; alter at least one aspect of the second transmission in connection with a second multiple of the directional antennas, based on the first information and the second information, so as to direct the second transmission more towards the second multiple-input-multiple-output (MIMO)-capable portable wireless device as compared to the first multiple-input-multiple-output (MIMO)-capable portable wireless device, thereby reducing the interference between the first transmission and the second transmission when the at least portion of the first transmission occurs simultaneously with the at least portion of the second transmission; transmit first data in connection with the first transmission to the first multiple-input-multiple-output (MIMO)-capable portable wireless device, utilizing the first multiple of the directional antennas; and transmit second data in connection with the second transmission to the second multiple-input-multiple-output (MIMO)-capable portable wireless device, utilizing the second multiple of the directional antennas; said apparatus further configured to initiate a third transmission to a third multiple-input-multiple-output (MIMO)-capable portable wireless device via a second wireless protocol, where the apparatus is configured to; receive third information from the third multiple-input-multiple-output (MIMO)-capable portable wireless device that is based on a third measurement performed by the third multiple-input-multiple-output (MIMO)-capable portable wireless device; alter at least one aspect of the third transmission in connection with a third multiple of the directional antennas, based on the third information, so as to direct the third transmission towards the third multiple-input-multiple-output (MIMO)-capable portable wireless device; and transmit third data in connection with the third transmission to the third multiple-input-multiple-output (MIMO)-capable portable wireless device, utilizing the third multiple of the directional antennas. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A method, comprising:
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providing access to an access point including; a plurality of directional antennas; circuitry in communication with the directional antennas; and at least one radio in communication with the circuitry; selecting at least one channel based on one or more channel characteristics, for initiating a first transmission to a first multiple-input-multiple-output (MIMO)-capable portable wireless device and initiating a second transmission to a second multiple-input-multiple-output (MIMO)-capable portable wireless device, such that at least a portion of the first transmission occurs simultaneously with at least a portion of the second transmission and both occur via a first wireless protocol; receiving first information from the first multiple-input-multiple-output (MIMO)-capable portable wireless device that is based on a first measurement performed by the first multiple-input-multiple-output (MIMO)-capable portable wireless device; receiving second information from the second multiple-input-multiple-output (MIMO)-capable portable wireless device that is based on a second measurement performed by the second multiple-input-multiple-output (MIMO)-capable portable wireless device; altering at least one aspect of the first transmission in connection with a first multiple of the directional antennas, based on the first information and the second information, so as to direct the first transmission more towards the first multiple-input-multiple-output (MIMO)-capable portable wireless device as compared to the second multiple-input-multiple-output (MIMO)-capable portable wireless device, thereby reducing interference between the first transmission and the second transmission when the at least portion of the first transmission occurs simultaneously with the at least portion of the second transmission; altering at least one aspect of the second transmission in connection with a second multiple of the directional antennas, based on the first information and the second information, so as to direct the second transmission more towards the second multiple-input-multiple-output (MIMO)-capable portable wireless device as compared to the first multiple-input-multiple-output (MIMO)-capable portable wireless device, thereby reducing the interference between the first transmission and the second transmission when the at least portion of the first transmission occurs simultaneously with the at least portion of the second transmission; transmitting first data in connection with the first transmission to the first multiple-input-multiple-output (MIMO)-capable portable wireless device, utilizing the first multiple of the directional antennas; and transmitting second data in connection with the second transmission to the second multiple-input-multiple-output (MIMO)-capable portable wireless device, utilizing the second multiple of the directional antennas. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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Specification