Radio communication method, radio communication system, and radio station

A radio communication method comprising:ntransmitting first information from a first radio station to a second radio station before determining an activation of a second logical processing entity that is to be activated in a first processing layer of the second radio station in association with a first logical processing entity that has been activated in the first processing layer of the second radio station, the first information relating to the activation of the second logical processing entity, the first information being transmitted using a first control signal in a higher layer of the first processing layer;transmitting, when determining the activation of the second logical processing entity, second information for instructing the activation from the first radio station to the second radio station, the second information being transmitted using a second control signal in the first processing layer; andactivating the second logical processing entity by the second radio station based on the first information in response to the second information, whereinthe second information is transmitted using a reserved field or a reserved value in the second control signal.

A radio communication system comprising:na first radio station configured to:transmit first information to a second radio station before determining an activation of a second logical processing entity that is to be activated in a first processing layer of the second radio station in association with a first logical processing entity that has been activated in the first processing layer of the second radio station, the first information relating to the activation of the second logical processing entity, the first information being transmitted using a first control signal in a higher layer of the first processing layer, andtransmit, when determining the activation of the second logical processing entity, second information for instructing the activation to the second radio station, the second information being transmitted using a second control signal in the first processing layer; andthe second radio station configured to:activate the second logical processing entity based on the first information in response to the second information, whereinthe second information is transmitted using a reserved field or a reserved value in the second control signal.

A radio station comprising:na memory; anda processor coupled to the memory and configured to:transmit first information to another radio station before determining an activation of a second logical processing entity that is to be activated in a first processing layer of the other radio station in association with a first logical processing entity that has been activated in the first processing layer of the other radio station, the first information relating to the activation of the second logical processing entity, the first information being transmitted using a first control signal in a higher layer of the first processing layer, andtransmit, when determining the activation of the second logical processing entity, second information for instructing the activation to the other radio station, the second information being transmitted using a second control signal in the first processing layer, whereinthe other radio station is configured to activate the second logical processing entity based on the first information in response to the second information, andthe second information is transmitted using a reserved field or a reserved value in the second control signal.

A radio station comprising:na memory; anda processor coupled to the memory and configured to:receive first information from another radio station before determining an activation of a second logical processing entity that is to be activated in a first processing layer of the radio station in association with a first logical processing entity that has been activated in the first processing layer of the radio station, the first information relating to the activation of the second logical processing entity, the first information being transmitted using a first control signal in a higher layer of the first processing layer,receive, when determining the activation of the second logical processing entity, second information for instructing the activation from the other radio station, the second information being transmitted using a second control signal in the first processing layer, andactivate the second logical processing entity based on the first information in response to the second information, whereinthe second information is transmitted using a reserved field or a reserved value in the second control signal.