Abstract: A semi-insulating gallium arsenide single crystal preparation method includes: adding crystal material to a PBN crucible; adding graphite in a quartz cap; loading the hermetically connected quartz cap and quartz crucible into a VGF single crystal furnace in different temperature zones; controlling the temperature zone in which the quartz crucible is located at a temperature of material melting, while controlling the temperature zone is which the quartz cap is located at 1000±50° C.; preserving the temperature of material melting when the temperature zone in which the quartz crucible is located reaches the temperature of material melting, and controlling the temperature zone in which the quartz cap is located at 1200±50° C. and preserving the temperature for 4 to 50 h; lowering a temperature in the temperature zone to 1000±50° C.; and cooling and discharging.

Abstract: The present application discloses a gallium arsenide single crystal and preparation method thereof. The gallium arsenide single crystal has a carrier concentration of 1×1018-4×1018/cm3, and a migration rate of 1700-2600 cm2/v·s; at a same carrier concentration, B atom density in the gallium arsenide single crystal obtained using SixAsy compound as a dopant is at least 20% lower than that obtained using Si substance as a dopant; B content in the gallium arsenide single crystal is 5×1018/cm3 or lower. The preparation method for the gallium arsenide single crystal is that, before growth of the gallium arsenide single crystal, the SixAsy compound is distributed into a gallium arsenide polycrystal.

Abstract: Disclosed are reporting and controlling methods for DRX (Discontinuous Reception) parameter and terminal moving velocity and devices thereof, which are used to decrease the network resource wasting and reduce the terminal power consumption. The reporting and controlling method for DRX parameter includes the following steps: the network side sends indication information which indicates whether the terminal is permitted to report DRX reference parameter or DRX parameter configuration advice to the terminal, and the indication information is used to indicate the terminal to report DRX reference parameter or DRX parameter configuration advice when it receives the indication for permitting reporting reference parameter or DRX parameter configuration advice, and not report DRX reference parameter or DRX configuration advice when it receives the indication for not permitting reporting reference parameter or DRX configuration advice.

Abstract: The present disclosure relates to the field of mobile communication technology, and provides a method for implementing discontinuous reception and a base station. The method includes the steps of: receiving, by a first base station, a discontinuous reception DRX configuration recommendation reported by UE; and transmitting, by the first base station, the DRX configuration recommendation or DRX configuration parameters configured by the first base station for the UE in accordance with the DRX configuration recommendation to a second base station when the UE is switched from the first base station to the second base station.

Abstract: Disclosed are a cluster communication method and system, a user equipment and a network side device. The cluster communication method disclosed in the embodiment of the present document includes: when a cluster user equipment (UE) is interested in receiving or is currently receiving a cluster service in a multimedia broadcast multicast service (MBMS) bearer, if the cluster UE judges that it is needed to transmit the cluster service via a unicast bearer, sending a request to a cluster application server (AS) for transmitting the cluster service via a unicast bearer; after the AS accepts the request of the cluster UE and establishes a unicast bearer with the cluster UE, the cluster UE receiving cluster data via the unicast bearer and stopping receiving the cluster data in the MBMS bearer. The embodiment of the present document further discloses a user equipment, a network side device and a cluster communication system.

Abstract: The present disclosure provides mobile terminal communication control methods, devices and related equipment. An MBS receives from a mobile terminal a RLF message indicative of a RLF occurring at the mobile terminal for an SBS, and transmits to the mobile terminal a first deactivation instruction message for instructing the mobile terminal to be deactivated for the SBS. According to the present disclosure, it is able to effectively control the communication of the mobile terminal in a dual-connection mode when the RLF occurs at the mobile terminal for the SBS.

Abstract: Disclosed are reporting and controlling methods for DRX (Discontinuous Reception) parameter and terminal moving velocity and devices thereof, which are used to decrease the network resource wasting and reduce the terminal power consumption. The reporting and controlling method for DRX parameter includes the following steps: the network side sends indication information which indicates whether the terminal is permitted to report DRX reference parameter or DRX parameter configuration advice to the terminal, and the indication information is used to indicate the terminal to report DRX reference parameter or DRX parameter configuration advice when it receives the indication for permitting reporting reference parameter or DRX parameter configuration advice, and not report DRX reference parameter or DRX configuration advice when it receives the indication for not permitting reporting reference parameter or DRX configuration advice.

Abstract: A communication parameter determination method, and a WLAN communication method and device, comprising: a base station determines a first communication parameter used by a first mobile terminal for communication in a WLAN, the first communication parameter representing a first waiting time of the first mobile terminal in the WLAN from the time of determining that the channel is idle to the time of starting to communicate, and the first waiting time being less than a second waiting time of a second mobile terminal in the WLAN from the time of determining that the channel is idle to the time of starting to communicate; the base station transmits the determined first communication parameter to the first mobile terminal. Accordingly, the first mobile terminal about to switch from a cellular network to the WLAN receives the first communication parameter transmitted by the base station; and after accessing the WLAN, the first mobile terminal uses the first communication parameter to communicate in the WLAN.

Abstract: The present disclosure relates to the field of mobile communication technology, and provides a method for implementing discontinuous reception and a base state. The method includes the steps of: receiving, by a first base station, a discontinuous reception DRX configuration recommendation reported by UE; and transmitting, by the first base station, the DRX configuration recommendation or DRX configuration parameters configured by the first base station for the UE in accordance with the DRX configuration recommendation to a second base station when the UE is switched from the first base station to the second base station.

Abstract: The embodiments of the present invention disclose a method and user terminal for receiving multicast control channel (MCCH) change notifications, which include: obtaining the transmission time of an MCCH change notification; and when the MCCH change notification is not received during one MCCH modification period, receiving, according to the transmission time of the MCCH change notification, the MCCH change notification at least N times, wherein N is the preset reception times of the MCCH change notification. In the present invention, the efficiency of receiving MCCH change notifications by user terminals is improved, and the probability of processing MCCH change notifications falsely due to too many network identifiers in a physical downlink control channel (PDCCH) is reduced.

Abstract: A method, system and device for supporting enhanced Multimedia Broadcast Multicast Service (eMBMS) in a relay network are disclosed. The method includes that: a network side sends a message to a relay node used to indicate a position of a Multicast Broadcast over Single Frequency Network (MBSFN) subframe relates to the eMBMS in a transmission frame; the relay node determines the position of the MBSFN subframe in the transmission frame according to the message, and makes the MBSFN subframe silent according to the determinate position; when a user terminal determines the existence of the MBSFN subframe made silent by the relay node in the transmission frame sent from the relay node, the user terminal receives the eMBMS sent by device except the relay node according to control information of the received eMBMS, thereby avoids the influence of the relay node to the user terminal supporting eMBMS.

Abstract: A communication parameter determination method, and a WLAN communication method and device, comprising: a base station determines a first communication parameter used by a first mobile terminal for communication in a WLAN, the first communication parameter representing a first waiting time of the first mobile terminal in the WLAN from the time of determining that the channel is idle to the time of starting to communicate, and the first waiting time being less than a second waiting time of a second mobile terminal in the WLAN from the time of determining that the channel is idle to the time of starting to communicate; the base station transmits the determined first communication parameter to the first mobile terminal. Accordingly, the first mobile terminal about to switch from a cellular network to the WLAN receives the first communication parameter transmitted by the base station; and after accessing the WLAN, the first mobile terminal uses the first communication parameter to communicate in the WLAN.

Abstract: A method for data transmission based on a relay mobile communication system and an equipment thereof are provided by the present invention. The method includes: at least two transport planes are configured on the Un interface protocol stack of the relay equipment and the base station eNode B; the relay equipment and the eNode B transmit the data via at least two transport planes configured on the Un interface protocol stack. With the present invention, the throughput rate of the Un interface between the relay equipment and the eNode B in the relay mobile communication system is improved, and the time delay of the Un interface is reduced.

Abstract: An embodiment of the present disclosure discloses a method, device and UE for obtaining a service reception state of a UE side from a network side. The method comprises steps of: transmitting to the UE side an indication to respond the service reception state of an MBMS by the network side; and receiving by the network side the service reception state of the MBMS responded by the UE side according to the indication. According to the embodiment, the network side may obtain the service reception state of the MBMS of the UE, which facilitates optimizing an issuance policy for the MBMS.

Abstract: A method, system and device for supporting enhanced Multimedia Broadcast Multicast Service (eMBMS) in a relay network are disclosed. The method includes that: a network side sends a message to a relay node used to indicate a position of a Multicast Broadcast over Single Frequency Network (MBSFN) subframe relates to the eMBMS in a transmission frame; the relay node determines the position of the MBSFN subframe in the transmission frame according to the message, and makes the MBSFN subframe silent according to the determinate position; when a user terminal determines the existence of the MBSFN subframe made silent by the relay node in the transmission frame sent from the relay node, the user terminal receives the eMBMS sent by device except the relay node according to control information of the received eMBMS, thereby avoids the influence of the relay node to the user terminal supporting eMBMS.

Abstract: The embodiments of the present invention disclose a method and user terminal for receiving multicast control channel (MCCH) change notifications, which include: obtaining the transmission time of an MCCH change notification; and when the MCCH change notification is not received during one MCCH modification period, receiving, according to the transmission time of the MCCH change notification, the MCCH change notification at least N times, wherein N is the preset reception times of the MCCH change notification. In the present invention, the efficiency of receiving MCCH change notifications by user terminals is improved, and the probability of processing MCCH change notifications falsely due to too many network identifiers in a physical downlink control channel (PDCCH) is reduced.