摘要:
A mobile communication system in which a mobile station apparatus transmits, to a base station apparatus, uplink data using a physical uplink shared channel assigned by an uplink data transmission permission signal, wherein the base station apparatus: transmits, to the mobile station apparatus, a radio resource control signal including information for specifying a physical format in transmitting reception quality information together with uplink data; and transmits, to the mobile station apparatus, the uplink data transmission permission signal including a transmission instruction of reception quality information, and wherein the mobile station apparatus transmits, to the base station apparatus, reception quality information together with uplink data using the physical uplink shared channel according to information for specifying the physical format in case that a transmission instruction of the reception quality information is included in the uplink data transmission permission signal.
摘要:
To provide a mobile communication system and a communication method for enabling HARQ control information to be transmitted and received using radio resources efficiently in case that a base station apparatus and a mobile station apparatus communicate with each other in a wider frequency band using component carriers in a composite manner, in the communication method in the mobile station apparatus that transmits, to the base station apparatus, the HARQ control information for a plurality of downlink transport blocks transmitted on a plurality of downlink component carriers using a first physical uplink control channel resource, in case that the mobile station apparatus detects a single physical downlink control channel in a common search space in a certain subframe, the mobile station apparatus transmits the HARQ control information to the base station apparatus, using a second physical uplink control channel resource different from the first physical uplink control channel resource.
摘要:
A mobile communication system in which a mobile station apparatus transmits reception quality information to a base station apparatus, the reception quality information indicating quality of a signal received from the base station apparatus, characterized in that the base station apparatus transmits information for instructing transmission of reception quality information without uplink data included in an uplink data transmission permission signal, and the mobile station apparatus transmits reception quality information without the uplink data according to information for instructing transmission of reception quality information without uplink data. This allows a mobile station apparatus to transmit reception quality info information including a large amount of information even if there is no uplink data between the mobile station apparatus and the base station apparatus, and the transmission control flexibly responding to the amount of information and the frequency of transmissions of the reception quality information transmitted from the mobile station apparatus is possible.
摘要:
A mobile communication system and method are disclosed for designating the resources to be used for mapping the control signal of HARQ performed by a base station apparatus. The base station apparatus and a mobile station apparatus communicate using a plurality of component carriers. The base station apparatus sets a single downlink component carrier for the mobile station apparatus and allocate, to the mobile station apparatus, a plurality of physical downlink shared channels by using a plurality of physical downlink control channels, which are mapped on the set downlink component carrier in the same subframe. The mobile station apparatus is designated, by the base station apparatus, a plurality of physical uplink control channels corresponding to the respective ones of the plurality of physical downlink control channels mapped on the set downlink component carrier, on a single uplink component carrier that corresponds to the set downlink component carrier.
摘要:
To realize efficient transmission control of reception quality information which flexibly treats the information amount and the transmission frequency of the reception quality information. A base station apparatus 100 for controlling transmission operation of the reception quality information with respect to a mobile station apparatus includes: a scheduler unit 110 receiving simultaneous transmission permission information for instructing the mobile station apparatus to simultaneously transmit the reception quality information and the uplink data that the mobile station apparatus generates, and an uplink data transmission permission signal, and serving to perform scheduling that includes the simultaneous transmission permission information in the uplink data transmission permission signal, and transmission parts 101 to 105 that transmit, to the mobile station apparatus, the uplink data transmission permission signal including the simultaneous transmission permission information.
摘要:
A base station device, a terminal device to communicate with a base station device, and a transmission method are disclosed. The base station device includes an indicating part that indicates the availability of the coordinated communication. The base station device also includes a determining part that determines, in accordance with the availability of the coordinated communication, the ratio of the power of a data signal with respect to a transmission symbol including a reference signal to the power of a data signal with respect to a transmission symbol not including a reference signal.
摘要:
A base station device includes: a control signal generator that generates a signal of control data including items corresponding to the type of sub-frames to be allocated; a scheduling information signal generator that generates a signal of scheduling information indicating a sub-frame to be a first sub-frame among sub-frames specified by first-type sub-frame candidate information; and a multiplexer that allocates the signal of the control data to the first-type and second-type sub-frames, and allocates the signal of the scheduling information to the first-type sub-frame. A mobile station device includes: a frame-type determining unit that determines the type of each of received sub-frames based on the first-type sub-frame candidate information and the scheduling information; and a control data detector that detects, for each sub-frame, the control data including the items corresponding to the type indicated by the result of the determination by the frame-type determining unit. Accordingly, the processing load on reception of control data is reduced.
摘要:
A base station device includes: a control signal generator that generates a signal of control data including items corresponding to the type of sub-frames to be allocated; a scheduling information signal generator that generates a signal of scheduling information indicating a sub-frame to be a first sub-frame among sub-frames specified by first-type sub-frame candidate information; and a multiplexer that allocates the signal of the control data to the first-type and second-type sub-frames, and allocates the signal of the scheduling information to the first-type sub-frame. A mobile station device includes: a frame-type determining unit that determines the type of each of received sub-frames based on the first-type sub-frame candidate information and the scheduling information; and a control data detector that detects, for each sub-frame, the control data including the items corresponding to the type indicated by the result of the determination by the frame-type determining unit. Accordingly, the processing load on reception of control data is reduced.
摘要:
Methods, systems, and devices provide improved proximity services. In one aspect, a base station includes an information generating module and an information transmission module. The information generating module generates control information for causing a mobile device to initiate a discovery signal transmission procedure. The discovery signal transmission procedure allows the mobile device to be discovered. The information transmission module transmits the control information to the mobile device. In another aspect, a mobile device includes an information receiving module, a control module, and a signal transmission module. The information receiving module receives control information. The control module initiates a discovery signal transmission procedure for proximity services responsive to the information receiving module receiving the control information. The discovery signal transmission procedure includes generating a discovery signal allowing the mobile device to be discovered. The signal transmission module broadcasts the discovery signal.
摘要:
A random access instructed by a base station apparatus and having a small delay is enabled in Advanced-EUTRA system. Upon detection of control data in any one of a plurality of component carriers, component carrier information, a preamble number, and random access channel information are extracted from the control data, and if the extracted information indicates dedicated preamble transmission, a random access channel position to be used is selected from information on random access of a component carrier specified in the component carrier information and the random access channel information, a random access preamble is generated from the information on random access and the dedicated preamble number, and the random access preamble is transmitted at the random access channel position.