Communication terminal apparatus, communication control apparatus, wireless communication system, and communication method all using a plurality of slots

A communication control apparatus that communicates with a plurality of communication terminal apparatuses using a plurality of transmission forms for assigning data to a plurality of slots each specified by one or more time channels each defined by a predetermined time length, and one or more frequency channels each defined by a predetermined frequency band, comprising:

• a control-side transmitting section that transmits control information to the communication terminal apparatuses;
• a control-side receiving section that receives the reception quality information edited using one of a plurality of different data forms as feedback information for notifying reception quality information indicating reception quality and transmission form information for designating a single transmission form among the plurality of transmission forms, in response to the control information;
• a transmission form determining section that selects a transmission form to apply to the communication terminal apparatuses based on the received feedback information;
• and
• a data assigning section that assigns data of which transmission destinations are the communication terminal apparatuses to respective slots based on the selected transmission form and the reception quality information,
• wherein the control-side transmitting section transmits the data of which transmission destinations are the communication terminal apparatuses assigned to respective slots, using the selected transmission form.

A wireless communication system in which a communication control apparatus communicates with a communication terminal apparatus using a plurality of slots each specified by one or more time channels each defined by a predetermined time length, and one or more frequency channels each defined by a predetermined frequency band, wherein the communication terminal apparatus has a terminal-side receiving section that receives control information from the communication control apparatus,

• a reception quality measuring section that measures reception quality of a plurality of slots using the received control information,
• a transmission form selecting section that selects a single transmission form from among a plurality of transmission forms to assign data transmitted from the communications control apparatus to the plurality of slots based on a measurement result of measured reception quality,
• a feedback information generating section that generates feedback information for notifying the communication control apparatus of reception quality information indicating the reception quality in a plurality of slots, and transmission form information for designating a selected transmission form, and
• a terminal-side transmitting section that transmits the generated feedback information to the communication control apparatus, and
• the communication control apparatus has a control-side transmitting section that transmits the control information to the communication terminal apparatus,
• a control-side receiving section that receives the feedback information from the communication terminal apparatus in response to the control information,
• a transmission form determining section that selects a transmission form to apply to the communication terminal apparatus based on the received feedback information, and
• a data assigning section that assigns data of which transmission destination is the communication terminal apparatus to each slot based on the selected transmission form and the reception quality information,
• wherein the control-side transmitting section transmits the data of which transmission destination is each communication terminal apparatus assigned to each slot, using the selected transmission form, and
• the terminal-side receiving section receives the data of the transmission form designated in the transmission form information from the communication control apparatus.

A communication method of a communication terminal apparatus that communicates with a communication control apparatus using a plurality of slots each specified by one or more time channels each defined by a predetermined time length, and one or more frequency channels each defined by a predetermined frequency band, comprising:

• receiving control information from the communication control apparatus;
• measuring reception quality of a plurality of slots using the received control information;
• selecting a single transmission form from among a plurality of transmission forms to assign data transmitted from the communications control apparatus to the plurality of slots based on a measurement result of measured reception quality;
• generating feedback information and edits the measurement result of measured reception quality into a data form, based on the selected transmission form, to generate the reception quality information for notifying the communication control apparatus of reception quality information indicating the reception quality in a plurality of slots, and transmission form information for designating a selected transmission form;
• transmitting the generated feedback information to the communication control apparatus;
• and
• receiving data of the transmission form designated in the transmission form information from the communication control apparatus.

A communication method of a communication control apparatus that communicates with a plurality of communication terminal apparatuses using a plurality of transmission forms for assigning data to a plurality of slots each specified by one or more time channels each defined by a predetermined time length, and one or more frequency channels each defined by a predetermined frequency band, comprising:

• transmitting control information to the communication terminal apparatuses;
• receiving the reception quality information edited using one of a plurality of different data forms as feedback information for notifying reception quality information indicating reception quality and transmission form information for designating a single transmission form among the plurality of transmission forms, in response to the control information;
• selecting a transmission form to apply to the communication terminal apparatuses based on the received feedback information;
• assigning data of which transmission destinations are the communication terminal apparatuses to respective slots based on the selected transmission form and the reception quality information;
• and
• transmitting the data of which transmission destinations are the communication terminal apparatuses assigned to respective slots, using the selected transmission form.

A communication method in a wireless communication system in which a communication control apparatus communicates with a communication terminal apparatus using a plurality of slots each specified by one or more time channels each defined by a predetermined time length, and one or more frequency channels each defined by a predetermined frequency band, wherein the communication terminal apparatus receives control information from the communication control apparatus,

• measures reception quality of a plurality of slots using the received control information,
• selects a single transmission form from among a plurality of transmission forms to assign data transmitted from the communications control apparatus to the plurality of slots based on a measurement result of measured reception quality,
• generates feedback information for notifying the communication control apparatus of reception quality information indicating the reception quality in a plurality of slots, and transmission form information for designating a selected transmission form, and
• transmits the generated feedback information to the communication control apparatus, and
• the communication control apparatus transmits the control information to the communication terminal apparatus,
• receives the feedback information from the communication terminal apparatus in response to the control information,
• selects a transmission form to apply to the communication terminal apparatus based on the received feedback information, and
• assigns data of which transmission destination is the communication terminal apparatus to each slot based on the selected transmission form and the reception quality information,
• wherein the communication control apparatus transmits the data of which transmission destination is each communication terminal apparatus assigned to each slot using the selected transmission form, and
• the communication terminal apparatus receives the data of the transmission form designated in the transmission form information from the communication control apparatus.