MIMO methods and systems
First Claim
1. A system, comprising:
- at least one file server; and
at least one access point in communication with the at least one file server, the at least one access point including;
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 at least one access point 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 at least one access point 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 at least one of the first information or 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 at least one of the first information or 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 at least one access point further configured to initiate a third transmission to a third multiple-input-multiple-output (MIMO)-capable portable wireless device via a second wireless protocol including a 802.11n protocol, where the first wireless protocol includes another 802.11 protocol other than the 802.11n protocol, and the at least one access point 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;
said at least one file server configured to serve at least one file via the at least one access point.
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Accused Products
Abstract
A system, method, and computer program product is provided 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; and is further configured to initiate a third transmission to a third multiple-input-multiple-output (MIMO)-capable portable wireless device via a second wireless protocol including a 802.11n protocol, where the first wireless protocol includes another 802.11 protocol other than the 802.11n protocol.
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Citations
39 Claims
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1. A system, comprising:
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at least one file server; and at least one access point in communication with the at least one file server, the at least one access point including; 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 at least one access point 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 at least one access point 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 at least one of the first information or 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 at least one of the first information or 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 at least one access point further configured to initiate a third transmission to a third multiple-input-multiple-output (MIMO)-capable portable wireless device via a second wireless protocol including a 802.11n protocol, where the first wireless protocol includes another 802.11 protocol other than the 802.11n protocol, and the at least one access point 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; said at least one file server configured to serve at least one file via the at least one access point. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A computer-implemented 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 at least one of the first information or 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 at least one of the first information or 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; 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; receiving third information from a 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; altering at least one aspect of a 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; transmitting 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, via a second wireless protocol including a 802.11n protocol, where the first wireless protocol includes another 802.11 protocol other than the 802.11n protocol; and causing at least one file to be served from at least one file server via the access point. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
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30. A system, comprising:
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file server means for serving at least one file; and access point access point means for; 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 a plurality of directional antennas, based on at least one of the first information or 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 at least one of the first information or 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; 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; receiving third information from a 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; altering at least one aspect of a 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 transmitting 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, via a second wireless protocol including a 802.11n protocol, where the first wireless protocol includes another 802.11 protocol other than the 802.11n protocol. - View Dependent Claims (31, 32, 33, 34, 35, 36, 37, 38, 39)
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Specification