Wireless Packet Communication Method and Wireless Packet Communication Apparatus

A wireless packet communication method for simultaneously transmitting a plurality of data packets between two STAs by MIMO using multiple wireless channels determined to be idle by carrier sense, the two STAS capable of using MIMO, the method characterized by comprising:

• in retransmission processing due to a failure of transmission of the data packets, reconstructing the retransmission packets according to a number of MIMOs;
• and
• simultaneously transmitting each reconstructed retransmission packet by using the MIMO.

A wireless packet communication method for simultaneously transmitting a plurality of data packets between two STAs by using multiple wireless channels determined to be idle by carrier sense and MIMO, the plurality of data packets corresponding to a sum of numbers of MIMOs of the multiple wireless channels, the two STAs capable of using both of the multiple wireless channels and the MIMO of each wireless channel, the method characterized by comprising:

• in retransmission processing due to a failure of transmission of the data packets, reconstructing the retransmission packets according to a number of simultaneous transmissions;
• and
• simultaneously transmitting each reconstructed retransmission packet by using the idle wireless channels and the MIMO.

A wireless packet communication method for simultaneously transmitting a plurality of data packets between two STAs by using multiple wireless channels determined to be idle by both physical carrier sense and virtual carrier sense, the two STAs capable of using multiple wireless channels, the physical carrier sense determining a wireless channel to be busy or idle from received power, the virtual carrier sense determining a wireless channel to be busy during a set transmission inhibition time, the method characterized by comprising:

• in retransmission processing due to a failure of transmission of the data packets,
• comparing a number of wireless channels determined to be idle by the carrier senses with a number of retransmission packets;
• securing a transmission time for the plural retransmission packets via the idle wireless channels and continuously transmitting the plural retransmission packets without use of said physical carrier sense when the number of idle channels is smaller than the number of retransmission packets.

A wireless packet communication method for simultaneously transmitting a plurality of data packets between two STAs by MIMO using multiple wireless channels determined to be idle by both physical carrier sense and virtual carrier sense, the two STAs capable of using multiple wireless channels, the physical carrier sense determining a wireless channel to be busy or idle from received power, the virtual carrier sense determining a wireless channel to be busy during a set transmission inhibition time, the method characterized by comprising:

• in retransmission processing due to a failure of transmission of the data packets, comparing a number of MIMOs of one wireless channel determined to be idle by the carrier senses with a number of retransmission packets;
• and securing a transmission time for the plural retransmission packets via the idle wireless channels and continuously transmitting the plural retransmission packets without use of said physical carrier sense when the number of MIMOs is smaller than the number of retransmission packets.

15-32. (canceled)

A wireless packet communication apparatus for simultaneously transmitting a plurality of data packets between two STAs by using multiple wireless channels determined to be idle by carrier sense, the two STAS capable of using multiple wireless channels, the apparatus characterized by comprising:

• a unit which reconstructs the retransmission packets according to a number of idle channels, in retransmission processing due to a failure of transmission of the data packets;
• and
• a unit which simultaneously transmits each reconstructed retransmission packet by using the idle wireless channels.

A wireless packet communication apparatus for simultaneously transmitting a plurality of data packets between two STAs by MIMO using multiple wireless channels determined to be idle by carrier sense, the two STAS capable of using MIMO, the apparatus characterized by comprising:

• a unit which reconstructs the retransmission packets according to a number of MIMOs, in retransmission processing due to a failure of transmission of the data packets;
• and
• a unit which simultaneously transmits each reconstructed retransmission packet by using the MIMO.

A wireless packet communication apparatus for simultaneously transmitting a plurality of data packets between two STAs by MIMO using multiple wireless channels determined to be idle by carrier sense, the plurality of data packets corresponding to a sum of numbers of MIMOs of the multiple wireless channels, the two STAs capable of using both of the multiple wireless channels and the MIMO, the apparatus characterized by comprising:

• a unit which reconstructs the retransmission packets according to the number of simultaneous transmissions, in retransmission processing due to a failure of transmission of the data packets;
• and
• a unit which simultaneously transmits each reconstructed retransmission packet by using the idle wireless channels and the MIMO.

A wireless packet communication apparatus for simultaneously transmitting a plurality of data packets between two STAs by using multiple wireless channels determined to be idle by both physical carrier sense and virtual carrier sense, the two STAs capable of using multiple wireless channels, the physical carrier sense determining a wireless channel to be busy or idle from received power, the virtual carrier sense determining a wireless channel to be busy during a set transmission inhibition time, the apparatus characterized by comprising:

• a unit which compares a number of wireless channels determined to be idle by the carrier senses with a number of retransmission packets, in retransmission processing due to a failure of transmission of the data packets;
• and
• a unit which secures a transmission time for the plural retransmission packets via said idle wireless channels, and continuously transmits the plural retransmission packets without use of said physical carrier sense, when the number of idle channels is smaller than the number of retransmission packets,

A wireless packet communication apparatus for simultaneously transmitting a plurality of data packets between two STAs by MIMO using a wireless channel determined to be idle by both physical carrier sense and virtual carrier sense, the two STAs capable of using MIMO, the physical carrier sense determining a wireless channel to be busy or idle from received power, the virtual carrier sense determining a wireless channel to be busy during a set transmission inhibition time, the apparatus characterized by comprising:

• a unit which compares a number of MIMOs of one wireless channel determined to be idle by the carrier senses with a number of retransmission packets, in retransmission processing due to a failure of transmission of the data packets;
• and
• a unit which secures a transmission time for the plural retransmission packets via said idle wireless channel and continuously transmits the plural retransmission packets without use of said physical carrier sense when the number of MIMOs is smaller than the number of retransmission packets.

A wireless packet communication apparatus for simultaneously transmitting a plurality of data packets between two STAs by using MIMO and multiple wireless channels determined to be idle by both physical carrier sense and virtual carrier sense, the plurality of data packets corresponding to a sum of numbers of MIMOs of the multiple wireless channels, the two STAs capable of using both of multiple wireless channels and MIMO of each wireless channel, the physical carrier sense determining a wireless channel to be busy or idle from received power, the virtual carrier sense determining a wireless channel to be busy during a set transmission inhibition time, the apparatus characterized by comprising:

• a unit which compares a number of simultaneous transmissions with a number of retransmission packets, in retransmission processing due to a failure of transmission of the data packets, the number of simultaneous transmissions corresponding to a sum of numbers of MIMO of respective wireless channels determined to be idle by the carrier senses;
• and a unit which secures a transmission time for the plural retransmission packets via said idle wireless channels and continuously transmits the plural retransmission packets without use of said physical carrier sense, when the number of simultaneous transmissions is smaller than the number of retransmission packets.

47-64. (canceled)