Abstract: A wireless communication device and a wireless communication method. The wireless communication device which is used for a user equipment side includes a signal transceiving apparatus and a control apparatus. The signal transceiving apparatus is configured to transmit a device-to-device communication signal, and receive a feedback signal of other wireless communication devices for the communication signal. The control apparatus is configured to determine receiving quality of other wireless communication devices for the communication signal based on the feedback signal, and adjust the signal coverage range of a user equipment based on the distribution of the receiving quality of other wireless communication devices.

Abstract: A base station control method for a wireless communication system, a base station control apparatus, a wireless communication system and an electronic device. The wireless communication system includes a small cell. The base station control apparatus includes an upper limit determination unit and a frequency band control unit; wherein the upper limit determination unit is configured to determine the upper limit of the estimated number of small cells using unlicensed frequency bands in a target region according to available unlicensed frequency band resources and estimated service volume in the target region; and the frequency band control unit is configured to control one or more small cells to use or stop using the unlicensed frequency bands according to the upper limit of the estimated number, so that the number of small cells operating at the unlicensed frequency bands is not greater than the upper limit of the estimated number.

Abstract: A device and method controlling working state change of a small cell and a base station including the device. The device includes: an information acquiring unit that acquires interference between a small cell to be controlled and an adjacent small cell and/or load of the small cell to be controlled or load distributed by other small cells and to be borne by the small cell to be controlled; and a state change determination unit that determines working state change to be performed by the small cell to be controlled according to the acquired interference and/or load. The working state includes multiple sleep levels from low to high. A sleep degree of the small cell to be controlled in a low sleep level is less than a sleep degree of the small cell to be controlled in a high sleep level, the working state change being performed among multiple sleep levels.

Abstract: A device and method in a wireless communication system, the device including an access determination unit configured to determine an access requirement of a user equipment (UE); and a control unit configured to switch a target small cell of the device from a closed state to an open state based on the access requirement of the UE, and reallocate to the target small cell a new physical cell identifier different from the physical cell identifier used in the closed state. A physical cell identifier can be dynamically allocated in accordance with the open/closed state of the small cell, reducing the burden of cell planning and maintenance cost, and having greater flexibility.

Abstract: A method performing dynamic downlink configuration in a wireless communications system, a base station, and a terminal. The method includes: setting a reconfiguration point to enable a first uplink and downlink subframe configuration to be adopted in a first configuration period before the reconfiguration point and enable a second uplink and downlink subframe configuration to be adopted in a second configuration period after the reconfiguration point; and adopting a reference uplink/downlink subframe configuration adapted for an uplink subframe intersection of respective uplink/downlink subframe configurations for a time sequence of a downlink HARQ process during the predetermined change of the dynamical downlink configuration.

Abstract: A base station control method for a wireless communication system, a base station control apparatus, a wireless communication system and an electronic device. The wireless communication system includes a small cell. The base station control apparatus includes an upper limit determination unit and a frequency band control unit; wherein the upper limit determination unit is configured to determine the upper limit of the estimated number of small cells using unlicensed frequency bands in a target region according to available unlicensed frequency band resources and estimated service volume in the target region; and the frequency band control unit is configured to control one or more small cells to use or stop using the unlicensed frequency bands according to the upper limit of the estimated number, so that the number of small cells operating at the unlicensed frequency bands is not greater than the upper limit of the estimated number.

Abstract: An electronic apparatus in a wireless communications system, and a mobility measurement method. The electronic apparatus includes a communications device and a mobility measurement device. The communication device is configured to separately perform dual-connection communication with two connection nodes by different carriers. The mobility measurement device is configured to perform mobility measurement, for determining a connection switching mode, on the connection nodes in the dual connections in a case in which connection service quality of at least one of the current dual connection nodes is lower than a preset level. The mobility measurement device is further configured to determine a reporting mode of a mobility measurement result according to the measurement condition of at least one of the current dual connection nodes.

Abstract: Embodiments of the present invention provide a method, a device, and a system for determining timing advance grouping, and relate to the field of communications, the method, device and system for determining timing advance grouping. The method includes adding, by a base station (eNodeB), a component carrier (CC) for a user equipment (UE); according to obtained timing advance (TA) group information or a preset rule, determining a TA group that the added CC belongs to, where the TA group is a set of CCs that can share a TA; and sending identification information that identifies the TA group to the UE. Embodiments of the present invention are used to determine TA grouping when the eNodeB adds the CC for the UE.

Abstract: Embodiments of the present invention provide a method, a device, and a system for determining timing advance grouping. In one embodiment, a base station adds a component carrier (CC) for a user equipment (UE). The base station determines a timing advance (TA) group to which the added CC belongs. The TA group is a set of CCs that can share a TA. The base station sends identification information that identifies the TA group to the UE.

Abstract: The disclosure relates to an electronic apparatus in a wireless communications system, and a mobility measurement method. The electronic apparatus comprises a communications device and a mobility measurement device. The communication device is configured to separately perform dual-connection communication with two connection nodes by means of different carriers. The mobility measurement device is configured to perform mobility measurement, for determining a connection switching mode, on the connection nodes in the dual connections in a case in which connection service quality of at least one of the current dual connection nodes is lower than a preset level. The mobility measurement device is further configured to determine a reporting mode of a mobility measurement result according to the measurement condition of at least one of the current dual connection nodes.

Abstract: The art relates to a communication method and device for a wireless communication network and a wireless communication network. In the communication method, to one cell cluster in at least one cell cluster included in the wireless communication network, an Uplink-downlink ratio configuration scheme of the cell cluster during the next ratio configuration adjusting period is determined based on un-allocatable prediction amount for un-allocatable services of each cell in the cell cluster, and allocatable prediction amount for the services, which can be allocated to other cell(s), of each cell in the cell cluster, thus utilization efficiency of communication resource is optimized, and the cells in the cell cluster have the same communication frequency and Uplink-downlink ratio configuration scheme. According to the embodiments of the invention, the utilization efficiency of communication resource can be improved.

Abstract: A base station control method for a wireless communication system, a base station control apparatus, a wireless communication system and an electronic device. The wireless communication system includes a small cell. The base station control apparatus includes an upper limit determination unit and a frequency band control unit; wherein the upper limit determination unit is configured to determine the upper limit of the estimated number of small cells using unlicensed frequency bands in a target region according to available unlicensed frequency band resources and estimated service volume in the target region; and the frequency band control unit is configured to control one or more small cells to use or stop using the unlicensed frequency bands according to the upper limit of the estimated number, so that the number of small cells operating at the unlicensed frequency bands is not greater than the upper limit of the estimated number.

Abstract: A wireless communication device, a wireless communication method, and a base station, the wireless communication device being used for device-to-device communication and including: a reception device, used for receiving paging signaling sent when in communication with another wireless communication device and preset conditions are satisfied for device-to-device communication, the paging signaling being used to supplement paging between the wireless communication device and the other wireless-communication device; paging based upon the paging signaling is used to confirm establishment of device-to-device communication between the wireless communication device and the other wireless-communication device. The wireless communication device, wireless communication method, and base station at least can enhance efficiency of device-to-device paging and thus also enhance efficiency of device-to-device communication.

Abstract: A communication method and device for a wireless communication network and a wireless communication network. In the communication method, to one cell cluster in at least one cell cluster included in the wireless communication network, an Uplink-downlink ratio configuration scheme of the cell cluster during the next ratio configuration adjusting period is determined based on un-allocatable prediction amount for un-allocatable services of each cell in the cell cluster, and allocatable prediction amount for the services, which can be allocated to other cell(s), of each cell in the cell cluster, thus utilization efficiency of communication resource is optimized, and the cells in the cell cluster have the same communication frequency and Uplink-downlink ratio configuration scheme.

Abstract: A wireless communications system and a method for performing wireless communication in a wireless communications system. The wireless communications system includes: a first base station node; a second base station node; and a wireless communications apparatus, performing communication with the first base station node and the second base station node. The first base station node and the second base station node perform scheduling coordination, to reduce a probability that the wireless communications apparatus sends an uplink signal to the first base station node and the second base station node simultaneously. The system and method can reduce a probability that a wireless communications apparatus sends an uplink signal to a first base station node and a second base station node simultaneously, thereby effectively ensuring uplink/downlink transmission performance.

Abstract: The invention discloses an electronic device and a method and device for implementing coordinated transmission between electronic devices. The electronic device comprises a coordination establishment module configured to send a coordination request signal to candidate coordination devices as well as determine coordination devices in accordance with a response of the candidate coordination device and establish coordination connection with the determined coordination device, and a data transmission module configured to transmit target data by a plurality of communication links, the plurality of communication links comprising communication links between the electronic device and the coordination device.

Abstract: A wireless communication method, a base station and a wireless communication device. The wireless communication method includes: in case that communication devices which are to perform communication are estimated to satisfy a condition for device-to-device direct communication, transmitting a control signaling from a base station to the communication devices, the control signaling allocating a carrier for the device-to-device direct communication; and performing the device-to-device direct communication between the communication devices using the allocated carrier, wherein the base station allocates the carrier for the device-to-device direct communication from conventional carrier, stand-alone new-type carrier and non-stand-alone new-type carrier, wherein the new-type carrier has a reduced number of control channels as compared with the conventional carrier.

Abstract: The present disclosure provides a wireless communication system and method therein.

Abstract: An uplink synchronization processing method, a User Equipment (UE), and a base station are provided. The method includes: receiving a component carrier (CC) uplink synchronization indication message sent by a base station, where the uplink synchronization indication message carries identification information of one or multiple newly configured CCs; sending synchronization signaling to the base station when determining that the uplink synchronization needs to be executed on all or a part of the one or multiple newly configured CCs corresponding to the identification information; and receiving a time advanced (TA) adjusting message that is sent by the base station according to the synchronization signaling, and applying a TA value carried in the TA adjusting message to the CC on which the uplink synchronization needs to be executed.

Abstract: A wireless communications system and a method for performing wireless communication in a wireless communications system. The wireless communications system includes: a first base station node; a second base station node; and a wireless communications apparatus, performing communication with the first base station node and the second base station node. The first base station node and the second base station node perform scheduling coordination, to reduce a probability that the wireless communications apparatus sends an uplink signal to the first base station node and the second base station node simultaneously. The system and method can reduce a probability that a wireless communications apparatus sends an uplink signal to a first base station node and a second base station node simultaneously, thereby effectively ensuring uplink/downlink transmission performance.