Transmission device, wireless communication method, wireless communication system, and reception device
A transmission device includes a communication circuit configured to wirelessly communicate with a reception device, by using a plurality of wireless services including a first wireless service having a first priority and a second wireless service having a second priority that is a priority lower than the first priority, and a processing circuit configured to perform, in accordance with a first information element, allocating of an uplink radio resource to transmission data of the first wireless service, the allocating of the uplink radio resource being performed in a situation, the situation being a situation that a medium access control-protocol data unit (MAC-PDU) has been generated or can be generated in response to allocating the uplink radio resource to a transmission data of the second wireless service, the first information element indicating a value configured to control logical channel prioritization (LCP) procedure.
1. A transmission device comprising:
a communication circuit configured to wirelessly communicate with a reception device, by using a plurality of wireless services including a first wireless service having a first priority and a second wireless service having a second priority that is a priority lower than the first priority; and
a processing circuit configured to control a logical channel prioritization (LCP) algorithm in a case of overlapping uplink radio resource grants, in accordance with a first information element included in a radio resource control (RRC) message received from the reception device, the controlling of the LCP algorithm allocating an uplink radio resource to transmission data of the first wireless service in a case where the transmission data of the first wireless service is detected in a buffer associated with the first wireless service when a medium access control-protocol data unit (MAC-PDU) has been generated or can be generated in response to the LCP algorithm allocating the uplink radio resource to transmission data of the second wireless service.
2. A reception device comprising:
a communication circuit configured to wirelessly communicate with a transmission device by using a plurality of wireless services including a first wireless service having a first priority and a second wireless service having a second priority that is a priority lower than the first priority; and
a processing circuit configured to transmit to the transmission device a radio resource control (RRC) message including a first information element, the first information element indicating a value configured to cause the transmission device to control a logical channel prioritization (LCP) algorithm in a case of overlapping uplink radio resource grants, in accordance with the first information element, the control of the LCP algorithm allocating an uplink radio resource to transmission data of the first wireless service in a case where the transmission data of the first wireless service is detected in a buffer associated with the first wireless service when a medium access control-protocol data unit (MAC-PDU) has been generated or can be generated in response to the LCP algorithm allocating uplink radio resource to transmission data of the second wireless service.
3. A wireless communication method executed in a transmission device capable of wirelessly communicating with a reception device, using a plurality of wireless services including a first wireless service having a first priority and a second wireless service having a second priority that is a priority lower than the first priority, the wireless communication method comprising:
obtaining a first information element included in a radio resource control (RRC) message received from the reception device; and
controlling a logical channel prioritization (LCP) algorithm in a case of overlapping uplink radio resource grants, in accordance with the first information element, the controlling of the LCP algorithm allocating an uplink radio resource to transmission data of the first wireless service in a case where the transmission data of the first wireless service is detected in a buffer associated with the first wireless service when a medium access control-protocol data unit (MAC-PDU) has been generated or can be generated in response to the LCP algorithm allocating the uplink radio resource to transmission data of the second wireless service.
4. A wireless communication system providing a plurality of wireless services including a first wireless service having a first priority and a second wireless service having a second priority that is a priority lower than the first priority between a reception device and a transmission device, wherein
the reception device and the transmission device are configured to share first information element included in a radio resource control (RRC) message received from the reception device, and
the transmission device is configured to:
control a logical channel prioritization (LCP) algorithm in a case of overlapping uplink radio resource grants, in accordance with the first information element, the control of the LCP algorithm allocating an uplink radio resource to transmission data of the first wireless service in a case where the transmission data of the first wireless service is detected in a buffer associated with the first wireless service when a medium access control-protocol data unit (MAC-PDU) has been generated or can be generated in response to the LCP algorithm allocating the uplink radio resource to transmission data of the second wireless service.