Abstract: A communication control apparatus to utilize the extension band in the band-filling efficiently. The communication control apparatus includes a communication control unit that controls radio communication performed by one or more terminal apparatuses on a component carrier having a basic bandwidth. The communication control unit symmetrically sets extension bands to be added to the component carrier to excess frequency bands on an upper side and a lower side of the component carrier.

Abstract: [Object] To make it possible to reduce load involved in beamforming. [Solution] Provided is a communication control apparatus including: an acquisition unit configured to acquire a set of weight coefficients for forming a beam aimed at a terminal apparatus, for each of two or more antenna groups each including a portion of a plurality of antenna elements included in a directional antenna capable of forming a three-dimensional beam; and a determination unit configured to determine a set of weight coefficients for the plurality of antenna elements for forming a three-dimensional beam aimed at the terminal apparatus, on the basis of the sets of the weight coefficients for the two or more antenna groups.

Abstract: [Object] To make it possible to automatically decide an MBSFN area to which a cell belongs. [Solution] There is provided an apparatus including an acquisition unit configured to acquire a result of measurement of a reference signal transmitted by one of a target base station and one or more other base stations, the result of the measurement being supplied by the other of the target base station and the one or more other base stations, and a decision unit configured to decide an MBSFN area to which a cell of the target base station belongs based on the result of the measurement.

Abstract: To enable multicast to a specific terminal group to be performed. There is provided an apparatus including an acquisition unit configured to acquire channel configuration information indicating a configuration of a multicast channel disposed in an MBSFN subframe for a specific terminal group, and a control unit configured to notify the specific terminal group of the channel configuration information.

Abstract: [Object] To provide a terminal device which can make communication processing efficient by a reference signal being beam formed in FD-MIMO. [Solution] Provided is a terminal device including a control unit configured to select pan of antenna ports among antenna ports of a reference signal beamformed with a plurality of beams from a wireless communication device and generate a channel state report which reports states of channels at the selected antenna ports to the wireless communication device.

Abstract: There is provided a communication control device including a radio communication unit which communicates with one or more terminal devices in a cell over a channel in which a link direction is allowed to be dynamically set for each sub-frame which is a unit of time in radio communication, and a control unit which controls allocation of communication resources to the terminal device based on the setting of the link direction of the channel and a location of the terminal device in the cell.

Abstract: [Object] To enable a CP with a more appropriate length in MBSFN subframes to be used. [Solution] There is provided an apparatus including an acquisition unit configured to acquire a result of measurement of delay between identical signals transmitted in an MBSFN area, and a decision unit configured to decide a cyclic prefix length for an MBSFN subframe of the MBSFN area based on the result of the measurement.

Abstract: [Object] To make it possible to reduce an increase in the interference while reducing load involved in beamforming. [Solution] There is provided a communication control apparatus including an acquisition unit configured to acquire cell identification information assigned to an individual three-dimensional beam formed by a directional antenna capable of forming a three-dimensional beam, and a control unit configured to control transmission of a reference signal performed using the individual three-dimensional beam, on the basis of the cell identification information. The control unit controls the transmission so that the reference signal is transmitted in a limited portion of available resource blocks.

Abstract: [Object] To utilize the extension band in the band-filling efficiently. [Solution] There is provided a communication control apparatus including: a communication control unit that controls radio communication performed by terminal apparatuses on a component carrier having a basic bandwidth, and sets at least one extension band to be added to the component carrier to at least a part of an excess frequency band. The terminal apparatuses include a first group of terminal apparatuses that support radio communication on the extension band, and a second group of terminal apparatuses that do not support the radio communication on the extension band. The communication control unit transmits resource assignment information that is not changed depending on whether or not the extension band is set, for the second group of terminal apparatuses.

Abstract: Provided is a communication control device that controls radio communication conducted by one or more terminal devices according to a time-division duplex (TDD) scheme, the communication control device including a configuration section that configures, for each frame that includes a plurality of subframes, a link direction configuration expressing a link direction per subframe, and a control section that signals the link direction configuration configured by the configuration section to each terminal device. The configuration section configures a first link direction configuration for a first terminal group, and configures a second link direction configuration for a second terminal group, and the control section signals the first link direction configuration to a terminal device belonging to the first terminal group on a first cycle, and signals the second link direction configuration to a terminal device belonging to the second terminal group on a second cycle that is shorter than the first cycle.

Abstract: A wireless communication device including a control unit configured to generate information for a terminal device based on information acquired from the terminal device. The control unit outputs a reference signal on a first beam generated with at least two or more different first weighting matrices, generates a second weighting matrix specific to a terminal device in accordance with information transmitted from the terminal device in accordance with the reference signal, and outputs data for the terminal device on a second beam with the first weighting matrices and the second weighting matrix. The wireless communication device can supply an appropriate beam to a terminal device while preventing a problem with overhead or increase in the cost of a wireless device, which are caused by an increasing number of antenna elements when FD-MIMO is used.

Abstract: There is provided a communication control device including a radio communication unit which communicates with one or more terminal devices in a cell over a channel in which a link direction is allowed to be dynamically set for each sub-frame which is a unit of time in radio communication, and a control unit which controls allocation of communication resources to the terminal device based on the setting of the link direction of the channel and a location of the terminal device in the cell.

Abstract: Provided is a communication control device configured to control radio communication in accordance with a time division duplex (TDD) method, the communication control device including: a setting unit configured to set a link direction configuration indicating a link direction of each subframe, with respect to each frame including a plurality of subframes; and a control unit configured to control processes of automatic repeat request with respect to a terminal device that performs radio communication. The control unit controls the processes to make a number of the processes equal to or smaller than a maximum number according to setting of the link direction configuration.

Abstract: Provided is a communication control device that controls radio communication conducted by one or more terminal devices according to a time-division duplex (TDD) scheme, the communication control device including a configuration section that configures, for each frame that includes a plurality of subframes, a link direction configuration expressing a link direction per subframe, and a control section that signals the link direction configuration configured by the configuration section to each terminal device. The configuration section configures a first link direction configuration for a first terminal group, and configures a second link direction configuration for a second terminal group, and the control section signals the first link direction configuration to a terminal device belonging to the first terminal group on a first cycle, and signals the second link direction configuration to a terminal device belonging to the second terminal group on a second cycle that is shorter than the first cycle.

Abstract: [Object] To enable radio communication to be performed more favorably in a UL band of FDD when the UL band is used for both DL and UL in a time division manner. [Solution] There is provided a device including: a switching unit configured to switch an operation mode of an uplink band of FDD between a first mode in which the uplink band is used for uplink and a second mode in which the uplink band is used for both downlink and uplink in a time division manner; and a control unit configured to give an instruction on a first timing advance on the basis of a downlink reception timing in a downlink band of FDD corresponding to the uplink band and an instruction on a second timing advance on the basis of a downlink reception timing in the uplink band.

Abstract: There is provided a communication control device including a radio communication unit which communicates with one or more terminal devices in a cell over a channel in which a link direction is allowed to be dynamically set for each sub-frame which is a unit of time in radio communication, and a control unit which controls allocation of communication resources to the terminal device based on the setting of the link direction of the channel and a location of the terminal device in the cell.

Abstract: [Object] To make it possible to increase opportunities for terminal apparatuses to receive multicast signals. [Solution] There is provided an apparatus, including: a first control unit configured to select a first frequency band which is a frequency band for a cellular system and a second frequency band which is not the frequency band for the cellular system when a terminal apparatus is in an idle mode; and a second control unit configured to control the terminal apparatus such that, when the terminal apparatus is in the idle mode, the terminal apparatus receives a paging message transmitted in the first frequency band and receives a multicast signal transmitted in the second frequency band.

Abstract: [Object] To utilize the extension band in the band-filling efficiently. [Solution] There is provided a communication control apparatus including: a communication control unit that controls radio communication performed by one or more terminal apparatuses on a component carrier having a basic bandwidth. The communication control unit sets an extension band to be added to the component carrier only to an excess frequency band either on an upper side or a lower side of the component carrier.

Abstract: [Object] To utilize the extension band in the band-filling efficiently. [Solution] There is provided a communication control apparatus including: a communication control unit that controls radio communication performed by one or more terminal apparatuses on a component carrier having a basic bandwidth in a resource block unit. The communication control unit sets at least one extension band having an extension bandwidth of an integer multiple of a size of a resource block to at least a part of an excess frequency.

Abstract: [Object] To enable provision of a service of MBSFN using frequency bands shared by a plurality of radio communication systems. [Solution] There is provided an apparatus, including: a first control unit configured to acquire scheduling information for MBSFN transmission in a frequency band shared by a plurality of radio communication systems and provide the scheduling information to two or more base stations belonging to an MBSFN area for the MBSFN transmission.