Communication apparatus, communication method, and computer program for making computer execute communication method
AssigneeCanon Kabushiki Kaisha
InventorHajime Shimura
Life of this patent
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Abstract
When communication apparatuses each having a plurality of antennas perform a data communication using a plurality of transmission channels formed by space division multiplexing, whether or not to perform a highly reliable communication is determined based on the variation of a transmission characteristic in the plurality of transmission channels.
Claims9
A communication method in which a communication apparatus having a plurality of antennas performs a data communication with a communication apparatus as a partner having a plurality of antennas, using a computer to perform the steps of:
- a communication step of performing a data communication using a plurality of transmission channels formed by space division multiplexing;
- an acquisition step of acquiring information indicating a transmission characteristic in the plurality of transmission channels a plurality of times;
- a step of calculating a variation of the transmission characteristic based on the plurality of pieces of acquired information;
- and
- a determination step of determining based on the calculated variation of the transmission characteristic whether or not to send data by applying space time block coding to the data.
A communication apparatus having a plurality of antennas for performing a data communication with a communication apparatus as a partner having a plurality of antennas, comprising:
- at least one processor operatively coupled to a memory, serving as:
- a communication unit that performs a data communication using a plurality of transmission channels formed by space division multiplexing;
- an acquisition unit that acquires information indicating a transmission characteristic in the plurality of transmission channels a plurality of times;
- a unit that calculates a variation of the transmission characteristic based on the plurality of pieces of acquired information;
- and
- a determination unit that determines based on the calculated variation of the transmission characteristic whether or not to send data by applying space time block coding to the data.
Dependencies are inferred from the claim text.