Control unit, wireless communication network and method for operating a control unit

A control unit configured to control a communication between a satellite and a plurality of terminals, wherein the control unit is configured for controlling the communication such that a set-wise communication having a common pre-coding is scheduled for a set of terminals, wherein the control unit is configured for:

• obtaining information indicating a plurality of sets of terminals, each set of terminals being a subset of the plurality of terminals;
• associating a joint communication quality to each set of terminals;
• determining a highest communication quality from the associated joint communication qualities and control the communication such that the set of terminals is scheduled with the communication to which the highest communication quality is associated;
• determining that the joint communication quality of a set is below a quality threshold value;
• determining a liable terminal from the determined set of terminals, the liable terminal being liable for the joint communication quality being below the quality threshold value;
• and
• controlling the communication such that communication of a different type is scheduled to the liable terminal.

A satellite comprising a control unit configured to control a communication between a satellite and a plurality of terminals, such that communication is scheduled to a terminal, the communication being one of at least a set-wise first type having a common pre-coding for a set of terminals and a second type, wherein the control unit is configured for:

• determining a joint communication quality for a set of terminals from the plurality of terminals using a joint communication information of the set of terminals;
• determining that the joint communication quality is below a quality threshold value;
• determining a liable terminal from the set of terminals, the liable terminal being liable for the joint communication quality being below the quality threshold value;
• and
• controlling the communication such that communication of the second type is scheduled to the liable terminal;
• and
• a control unit configured to control a communication between a satellite and a plurality of terminals, wherein the control unit is configured for controlling the communication such that a set-wise communication having a common pre-coding is scheduled for a set of terminals, wherein the control unit is configured for:
• obtaining information indicating a plurality of sets of terminals, each set of terminals being a subset of the plurality of terminals;
• associating a joint communication quality to each set of terminals;
• determining a highest communication quality from the associated joint communication qualities and control the communication such that the set of terminals is scheduled with the communication to which the highest communication quality is associated.

A gateway comprising a control unit configured to control a communication between a satellite and a plurality of terminals, such that communication is scheduled to a terminal, the communication being one of at least a set-wise first type having a common pre-coding for a set of terminals and a second type, wherein the control unit is configured for:

• determining a joint communication quality for a set of terminals from the plurality of terminals using a joint communication information of the set of terminals;
• determining that the joint communication quality is below a quality threshold value;
• determining a liable terminal from the set of terminals, the liable terminal being liable for the joint communication quality being below the quality threshold value;
• and
• controlling the communication such that communication of the second type is scheduled to the liable terminal;
• and
• a control unit configured to control a communication between a satellite and a plurality of terminals, wherein the control unit is configured for controlling the communication such that a set-wise communication having a common pre-coding is scheduled for a set of terminals, wherein the control unit is configured for:
• obtaining information indicating a plurality of sets of terminals, each set of terminals being a subset of the plurality of terminals;
• associating a joint communication quality to each set of terminals;
• determining a highest communication quality from the associated joint communication qualities and control the communication such that the set of terminals is scheduled with the communication to which the highest communication quality is associated.

A wireless communication network comprising:

• a plurality of terminals;
• a control unit configured to control a communication between a satellite and a plurality of terminals, such that communication is scheduled to a terminal, the communication being one of at least a set-wise first type having a common pre-coding for a set of terminals and a second type,
• wherein the control unit is configured for:
• determining a joint communication quality for a set of terminals from the plurality of terminals using a joint communication information of the set of terminals;
• determining that the joint communication quality is below a quality threshold value;
• determining a liable terminal from the set of terminals, the liable terminal being liable for the joint communication quality being below the quality threshold value;
• and
• controlling the communication such that communication of the second type is scheduled to the liable terminal;
• a control unit configured to control a communication between a satellite and a plurality of terminals, wherein the control unit is configured for controlling the communication such that a set-wise communication having a common pre-coding is scheduled for a set of terminals, wherein the control unit is configured for:
• obtaining information indicating a plurality of sets of terminals, each set of terminals being a subset of the plurality of terminals;
• associating a joint communication quality to each set of terminals;
• determining a highest communication quality from the associated joint communication qualities and control the communication such that the set of terminals is scheduled with the communication to which the highest communication quality is associated;
• and
• at least one satellite operated by a gateway.

Method for operating a control unit configured to control a communication between a satellite and a plurality of terminals, wherein the control unit is configured for controlling the communication such that communication is scheduled to a terminal, the communication being one of at least a set-wise first type having a common pre-coding for a set of terminals and a second type, wherein the method comprises:

• determining a joint communication quality for a set of terminals from the plurality of terminals using a joint communication information of the set of terminals;
• determining that the joint communication quality is below a quality threshold value;
• determining a liable terminal from the set of terminals, the liable terminal being liable for the joint communication quality being below the quality threshold value;
• and
• controlling the satellite so as to schedule communication of the second type to the liable terminal.

Method for operating a control unit configured to control a communication between a satellite and a plurality of terminals, wherein the control unit is configured for controlling the communication such that a set-wise communication is scheduled for a set of terminals, wherein the method comprises:

• obtaining information indicating a plurality of sets of terminals, each set of terminals being a subset of the plurality of terminals;
• associating a joint communication quality for each set of terminals;
• and
• determining a highest communication quality from the associated joint communication qualities and control the communication such that the set of terminals is scheduled with the set-wise communication to which the highest communication quality is associated;
• determining that the joint communication quality of a set is below a quality threshold value;
• determining a liable terminal from the determined set of terminals, the liable terminal being liable for the join communication quality being below the quality threshold value;
• and
• controlling the communication such that communication of a different type is scheduled to the liable terminal.

A non-transitory digital storage medium having a computer program stored thereon to perform the method for operating a control unit configured to control a communication between a satellite and a plurality of terminals, wherein the control unit is configured for controlling the communication such that communication is scheduled to a terminal, the communication being one of at least a set-wise first type having a common pre-coding for a set of terminals and a second type, wherein the method comprises:

• determining a joint communication quality for a set of terminals from the plurality of terminals using a joint communication information of the set of terminals;
• determining that the joint communication quality is below a quality threshold value;
• determining a liable terminal from the set of terminals, the liable terminal being liable for the joint communication quality being below the quality threshold value;
• and
• controlling the satellite so as to schedule communication of the second type to the liable terminal,
• when said computer program is run by a computer.

A non-transitory digital storage medium having a computer program stored thereon to perform the method for operating a control unit configured to control a communication between a satellite and a plurality of terminals, wherein the control unit is configured for controlling the communication such that a set-wise communication is scheduled for a set of terminals, wherein the method comprises:

• obtaining information indicating a plurality of sets of terminals, each set of terminals being a subset of the plurality of terminals;
• associating a joint communication quality for each set of terminals;
• and
• determining a highest communication quality from the associated joint communication qualities and control the communication such that the set of terminals is scheduled with the set-wise communication to which the highest communication quality is associated;
• determining that the joint communication quality of a set is below a quality threshold value;
• determining a liable terminal from the determined set of terminals, the liable terminal being liable for the joint communication quality being below the quality threshold value;
• and
• controlling the communication such that communication of a different type is scheduled to the liable terminal,
• when said computer program is run by a computer.