Abstract: A method for processing physical downlink control channel data, a transmitting end, and a user equipment are provided and relate to the field of communications, which can extract a scrambling sequence in multiple modulation modes, so that scrambling and descrambling are performed on physical downlink control channel data in multiple modulation modes. The method includes: generating a scrambling sequence corresponding to a control channel element according to an index number of the control channel element and/or a modulation mode used by the control channel element; performing scrambling on physical downlink control channel data by using the scrambling sequence; and sending the scrambled physical downlink control channel data to a user equipment. The embodiments of the present application are used to perform scrambling and descrambling on physical downlink control channel data.

Abstract: Embodiments of the present invention disclose a method and an apparatus for determining an active time of UE, where the method includes: acquiring extension information of a DTX active time of a base station; and adjusting a DTX active time of the UE according to the extension information, and using an overlapped time between the DTX active time of the UE and a DRX active time of the UE as an active time of the UE for listening on a PDCCH channel. The UE can learn a latest DTX condition according to a change of the DTX on a base station side in a manner of acquiring extension information of a DTX active time of the base station, and therefore can determine a correct active time of the UE with reference to DRX of the UE, thereby ultimately ensuring QoS of the UE.

Abstract: Embodiments of the present invention provide a wireless communications method, apparatus, and system. A terminal is provided. The terminal sets up a connection to a first base station, and stays in always connected mode. Therefore, when the terminal moves in a dense network, handovers of the first base station can be reduced. Further, when the terminal moves in the dense network, frequent signaling interaction is reduced, paging load in the entire network is reduced, and an end-to-end delay in service setup and transmission is reduced.

Abstract: The present invention discloses a method and an apparatus for controlling transmitting power and relates to the field of communications. The method includes: setting, according to a transmission state of data transmission using a first access technology, a power reduction value of transmitting power for data transmission using a second access technology; and controlling, according to the power reduction value, transmitting power for data transmission using the second access technology. The apparatus includes: a setting module, configured to set, according to a transmission state of data transmission using a first access technology, a power reduction value for transmitting power for data transmission using a second access technology; and a controlling module, configured to control, according to the power reduction value, the transmitting power for data transmission using the second access technology.

Abstract: A method for processing physical downlink control channel data, a transmitting end, and a user equipment are provided and relate to the field of communications, which can extract a scrambling sequence in multiple modulation modes, so that scrambling and descrambling are performed on physical downlink control channel data in multiple modulation modes. The method includes: generating a scrambling sequence corresponding to a control channel element according to an index number of the control channel element and/or a modulation mode used by the control channel element; performing scrambling on physical downlink control channel data by using the scrambling sequence; and sending the scrambled physical downlink control channel data to a user equipment. The embodiments of the present application are used to perform scrambling and descrambling on physical downlink control channel data.

Abstract: Embodiments of the present invention disclose a wireless communications method and system, and a full-duplex wireless transceiver, where the method includes: modulating a transmit digital signal into a first radio frequency signal and outputting the first radio frequency signal to a transmit antenna; then performing, under control of a pre-generated control signal, phase adjustment and amplitude adjustment on the first radio frequency signal and obtaining a cancellation signal; performing self-interference cancellation on a second radio frequency signal received from a radio air interface by using a receive antenna and the cancellation signal so as to generate a third radio frequency signal obtained after self-interference cancellation; and finally demodulating the third radio frequency signal into a receive digital signal.

Abstract: A method for processing physical downlink control channel data, a transmitting end, and a user equipment are provided and relate to the field of communications, which can extract a scrambling sequence in multiple modulation modes, so that scrambling and descrambling are performed on physical downlink control channel data in multiple modulation modes. The method includes: generating a scrambling sequence corresponding to a control channel element according to an index number of the control channel element and/or a modulation mode used by the control channel element; performing scrambling on physical downlink control channel data by using the scrambling sequence; and sending the scrambled physical downlink control channel data to a user equipment. The embodiments of the present application are used to perform scrambling and descrambling on physical downlink control channel data.

Abstract: This invention is applicable to the field of communications technologies, and provides a device to device (D2D) discovery method and a first D2D user equipment (UE). The method includes: the first D2D UE acquires timing information of the first D2D UE from a Lont Term Evolution (LTE) cellular communications system; receives in a discovery subframe, a device discovery signal from a second D2D UE according to the timing information, wherein the device discovery signal comprises a pilot orthogonal frequency division multiplexing (OFDM) symbol and a device information OFDM symbol; acquires an arrival time of the device discovery signal by performing a time domain correlation of the pilot OFDM symbol of the device discovery signal and a local pilot sequence, acquires device information of the second D2D UE by parsing the device information OFDM symbol of the device discovery. This invention enables a D2D UE to effectively discover other D2D UEs, improves system efficiency, and saves power of the D2D UE.

Abstract: A communication method, a multimode terminal, a base station, and a system are disclosed, in order to implement communication based on an unlicensed band protocol standard and avoid interference to licensed users. The method includes: obtaining, by a first multimode terminal from a licensed band network, a licensed band resource that can be used in opportunistic spectrum access mode, and communicating, by the first multimode mode, with a second multimode terminal on the licensed band resource using an unlicensed band protocol standard.

Abstract: A random access method and an evolved Node B (eNB) is described. The method includes: receiving, by a target evolved Node B (eNB), a handover request message including information of multiple target component carriers selected by the source eNB; determining, by the target eNB, whether to allow the multiple target component carriers selected by the source eNB; sending, by the target eNB, a handover request acknowledgement message including information about at least two determined target component carriers for the UE. If the multiple target component carriers selected by the source eNB are allowed by the target eNB, the at least two determined target component carriers include the multiple target component carriers selected by the source eNB. Otherwise, the at least two determined target component carriers include one or more newly configured target component carriers configured by the target eNB.

Abstract: A method for processing physical downlink control channel data, a transmitting end, and a user equipment are provided and relate to the field of communications, which can extract a scrambling sequence in multiple modulation modes, so that scrambling and descrambling are performed on physical downlink control channel data in multiple modulation modes. The method includes: generating a scrambling sequence corresponding to a control channel element according to an index number of the control channel element and/or a modulation mode used by the control channel element; performing scrambling on physical downlink control channel data by using the scrambling sequence; and sending the scrambled physical downlink control channel data to a user equipment. The embodiments of the present application are used to perform scrambling and descrambling on physical downlink control channel data.

Abstract: Embodiments of the present invention disclose a method for performing communication by using an unlicensed spectrum, a device, and a system, which relate to the field of communications technologies, so as to improve efficiency of using an unlicensed spectrum by user equipment. The method includes: obtaining, by a base station eNB, a time resource and/or a frequency resource by contending with another eNB or another system using an unlicensed spectrum; generating, by the base station eNB, information about the time resource and/or the frequency resource according to the time resource and/or the frequency resource; and sending, by the base station eNB, the information about the time resource and/or the frequency resource to user equipment UE by using a broadcast or multicast message, so that the user equipment UE communicates with the base station eNB according to the information about the time resource and/or the frequency resource.

Abstract: A terminal-to-terminal communication method and a terminal. The method includes: receiving, by a first terminal, data in a first OFDM symbol, where the data is sent by a second terminal in a second OFDM symbol, the first OFDM symbol is synchronized by the first terminal according to first timing information sent by a base station, and the second OFDM symbol is synchronized by the second terminal according to second timing information sent by the second terminal; and if the first OFDM symbol is not synchronized with the second OFDM symbol, skipping processing, by the first terminal, residual data that is sent by the second terminal in the second OFDM symbol and that exceeds a time indicated by the first OFDM symbol.

Abstract: A data transmission method, apparatus, and system are disclosed. The method includes: determining, by a first HCD, a target communication resource in a first time period; determining, by the first HCD, a third target communication sub-resource used to transmit data between a first LCD and the first HCD, and sending third indication information to the first LCD by using a fourth target communication sub-resource, where the third indication information is used to indicate the third target communication sub-resource; and receiving, by the first HCD, first target data that is sent by the first LCD by using the third target communication sub-resource, and transmitting the first target data to the access network device; and/or acquiring, by the first HCD, second target data from the access network device, and sending the second target data to the first LCD by using the third target communication sub-resource.

Abstract: Disclosed are a data transmission method, apparatus and system in a heterogeneous network. The data transmission method in a heterogeneous network comprises: a macro base station carrying control information in a subframe, transmitting the control information to a terminal in a control-frequency band, and informing a low power node of the control information; according to the control information, the low power node carrying data information in a subframe and transmitting the data information to a terminal by a data-frequency band; the control-frequency band and the data-frequency band are statically deployed, and the control-frequency band and the data-frequency band are non-overlapped.

Abstract: Embodiments of the present invention disclose a method and an apparatus for determining an active time of UE, where the method includes: acquiring extension information of a DTX active time of a base station; and adjusting a DTX active time of the UE according to the extension information, and using an overlapped time between the DTX active time of the UE and a DRX active time of the UE as an active time of the UE for listening on a PDCCH channel. The UE can learn a latest DTX condition according to a change of the DTX on a base station side in a manner of acquiring extension information of a DTX active time of the base station, and therefore can determine a correct active time of the UE with reference to DRX of the UE, thereby ultimately ensuring QoS of the UE.

Abstract: A dynamic spectrum allocation method, a central control unit, a base station, and a spectrum allocation system are disclosed. The embodiments of the present invention further disclose a central control unit, a base station, and a spectrum allocation system to reduce the probability of failure of the spectrum allocation scheme.

Abstract: The embodiments of the present invention disclose a method and a device for resource configuration. The method includes: determining an extra resource block existing in a wireless resource, where the extra resource block is a resource that cannot be identified by a long term evolution system; configuring transmission power of a resource element in the extra resource block according to a power configuration rule; and sending a signal on the resource element in the extra resource block according to configured transmission power. With the preceding technical solution, an extra resource block can be used for transmitting a signal, so that a resource utilization rate may be improved.

Abstract: A method and a user equipment for controlling multiple communication systems to implement communication are disclosed. The method includes: when a long term evolution LTE system module in a UE is about to enter a discontinuous reception DRX sleep state or to temporarily stop data transmission, sending, by the LTE system module, first indication information to another system module in the UE, where the first indication information is used for indicating, to the other system module, that the LTE system module enters the DRX sleep state and at least part of time during which the LTE system module is in the DRX sleep state, or the first indication information is used for indicating that the other system module is capable of performing data transmission and time during which the other system module is capable of performing data transmission.

Abstract: Embodiments of the present invention relate to the communication field, and disclose a resource allocation method, apparatus, and system, which solve a problem that the size of resource allocation indication information increases with the increase of the transmission bandwidth, and redundancy of physical layer signaling increases with the increase of the transmission bandwidth. The method includes: allocating time-frequency resources in specific bandwidth to a terminal, where the specific bandwidth is a band less than or equal to system bandwidth; determining the size of resource allocation information according to the specific bandwidth; and sending the resource allocation information to the terminal to indicate the allocated time-frequency resources. The embodiments of the present invention are mainly applied to the process in which the base station allocates time-frequency resources to the terminal.