Abstract:
A method of radio bearer establishment in dual connectivity, for a first base station in a wireless communication system is disclosed. The method comprises determining whether to establish or release at least a radio bearer for the communication device on at least a second base station, transmitting a request message including information of the at least a radio bearer to be established or released on the at least a second base station, to the at least a second base station, and receiving a response message including information about accepting or rejecting establishment or release for the at least a radio bearer on the at least a second base station, from the at least a second base station.
Abstract:
A method of radio bearer establishment in dual connectivity, for a first network node in a wireless communication system is disclosed. The method comprises connecting to a communication device of the wireless communication system, determines whether to establish or release at least a radio bearer for the communication device on at least a second network node, and transmitting a request message including information of the at least a radio bearers to be established or released on the at least a second network node, to the at least a second network node.
Abstract:
A method of radio bearer establishment in dual connectivity, for a first base station in a wireless communication system is disclosed. The method comprises determining whether to establish or release at least a radio bearer for the communication device on at least a second base station, transmitting a request message including information of the at least a radio bearer to be established or released on the at least a second base station, to the at least a second base station, and receiving a response message including information about accepting or rejecting establishment or release for the at least a radio bearer on the at least a second base station, from the at least a second base station.
Abstract:
A method of radio bearer establishment in dual connectivity, for a first network node in a wireless communication system is disclosed. The method comprises connecting to a communication device of the wireless communication system, determines whether to establish or release at least a radio bearer for the communication device on at least a second network node, and transmitting a request message including information of the at least a radio bearers to be established or released on the at least a second network node, to the at least a second network node.
Abstract:
A method of controlling communication modes for a wireless entity and a user equipment (UE), and a communication system using the same method. In one of the exemplary embodiments, the disclosure is directed to a method of controlling communication modes used by a wireless entity. The method would include not limited to receiving traffic loading information of a licensed spectrum used by a cellular network, detecting an interference situation of an unlicensed spectrum, selecting an operating mode from the communication modes according to the traffic loading information and the interference situation, and operating at the selected operating mode on the unlicensed spectrum.
Abstract:
A method of controlling communication modes for a wireless entity and a user equipment (UE), and a communication system using the same method. In one of the exemplary embodiments, the disclosure is directed to a method of controlling communication modes used by a wireless entity. The method would include not limited to receiving traffic loading information of a licensed spectrum used by a cellular network, detecting an interference situation of an unlicensed spectrum, selecting an operating mode from the communication modes according to the traffic loading information and the interference situation, and operating at the selected operating mode on the unlicensed spectrum.
Abstract:
A method for buffer status report (BSR) in dual connectivity for a communication device in a wireless communication system is disclosed. The method comprises connecting to at least two base stations including a first base station and a second base station in the wireless communication system, receiving a BSR configuration from the first base station, wherein the BSR configuration indicates a calculation scheme for a BSR, and calculating buffer sizes indicated in a first BSR and a second BSR respectively for the first base station and the second base station according to the calculation scheme in the received BSR configuration, wherein at least a first logical channel of a first logical channel group reported by the first BSR and at least a second logical channel of a second logical channel group reported by the second BSR are mapped to the same split radio bearer.
Abstract:
A method, adapted to a communication device, for uplink transmission by using unlicensed spectrum is provided. The method includes following steps. Acquiring transmission resource based on a listen-before-talk (LBT) procedure. Sending an LBT indicator to a base station after successfully acquiring the transmission resource. Receiving a uplink resource grant from the base station. Performing uplink data transmission with the base station on the unlicensed spectrum according to the uplink resource grant.
Abstract:
A method for buffer status report (BSR) in dual connectivity for a communication device in a wireless communication system is disclosed. The method comprises connecting to at least two base stations including a first base station and a second base station in the wireless communication system, receiving a BSR configuration from the first base station, wherein the BSR configuration indicates a calculation scheme for a BSR, and calculating buffer sizes indicated in a first BSR and a second BSR respectively for the first base station and the second base station according to the calculation scheme in the received BSR configuration, wherein at least a first logical channel of a first logical channel group reported by the first BSR and at least a second logical channel of a second logical channel group reported by the second BSR are mapped to the same split radio bearer.