Abstract: The present disclosure discloses a carrier bearing method and device, and a base station. The carrier bearing method includes: obtaining transmit power of each carrier borne on all power amplifiers in a radio remote unit after detecting that transmit power of a carrier borne on a power amplifier in the radio remote unit changes; adjusting a correspondence between the carriers and the power amplifier in the radio remote unit according to the obtained transmit power; and bearing each carrier on its corresponding power amplifier according to the adjusted correspondence. The device and base station are used to implement the above method.

Abstract: Embodiments of this application disclose a pilot signal sending and receiving method and apparatus, wherein the pilot signal sending method includes: establishing a first correspondence between a carrier identifier and a pilot pattern of a first type of pilot signal; establishing a second correspondence between a carrier identifier and a resource block set; acquiring a target carrier identifier of a target carrier; determining a location of a target resource block set corresponding to the target carrier identifier; determining a target pilot pattern that is of a first type of pilot signal and that corresponds to the target carrier identifier; mapping, according to the target pilot pattern, the first type of pilot signal to each resource block in the target resource block set on the target carrier. In this method, mapping is performed on a pilot signal only in a resource block set, which may reduce pilot redundancy and overheads.

Abstract: The present application provide a method for a terminal device to transmit uplink service data to a base station. The terminal device obtains uplink service data from a user input in a service session. The terminal device obtains a codebook from a preset codebook set of the terminal and a pilot sequence corresponding to the codebook. The terminal device generates an uplink data signal according to the codebook and the uplink service data, and generate a pilot signal corresponding to the pilot sequence. The terminal device transmits the uplink data signal and the pilot signal to the base station.

Abstract: The present invention provides a method and a base station for power determination. The method comprises obtaining an optimal number of sub-carriers occupied by each user equipment, an optimal number of radio frequency links enabled by a base station and an optimal transmitting power of the base station by optimizing the number of the sub-carriers occupied by each user equipment, the number of the radio frequency links enabled by the base station and the transmitting power of the base station with an optimization condition that throughput of each user equipment is not smaller than a throughput threshold and an optimization goal of minimizing total power consumption of the base station; and determining the total power consumption of the base station according to the optimal number of the sub-carriers occupied by each user equipment, the optimal number of the radio frequency links enabled by the base station.

Abstract: This application discloses a method for determining a pilot arrangement and a base station. The method includes the following steps. S1. Select a first optimized pilot arrangement P1 from an available subcarrier set G as a pilot arrangement of the first transmit antenna, and set G1=G?P1; S2. Perform a cyclic shift on the P1; if a Pi obtained after the shift is a subset of the G1, use the P1 as a pilot arrangement of the ith transmit antenna; or if a Pi obtained after the shift is not a subset of the G1, select a Pi from the G1 as a pilot arrangement of the ith transmit antenna; and set G1=G1?Pi and i=i+1, and repeatedly perform S2 until i is equal to a quantity of transmit antennas.

Abstract: The present invention relates to the field of communications technologies, and discloses a method for accessing a base station by a terminal, and an apparatus. In this provided solution, after a control base station (CBS) receives an access request message sent by the terminal, the CBS determines, according to received identification information of the terminal and a correspondence between the data base station (DBS) identification (ID) and the identification information of the terminal, a DBS ID that accesses the terminal; then a DBS corresponding to the DBS ID allocates access resource information to the terminal; finally, the terminal accesses the DBS. Therefore, the terminal can also access the DBS even if there is no cell ID in a cell covered by the DBS, thereby avoiding a problem that the terminal cannot access the base station when accessing the base station in a data and signaling separation network.

Abstract: Embodiments of the present invention provide a capacity station activation method and system. A coverage station sends activation control information to a capacity station, where the activation control information enables the capacity station to send a pilot signal to a user in a power decreasing manner; receives a pilot signal measurement result from the user; determines, according to the measurement result, a capacity station that needs to be activated to meet a system requirement; and sends activation information to the determined capacity station that needs to be activated. According to the capacity station activation method and system provided by the embodiments of the present invention, the capacity station that needs to be activated can be more accurately determined, transmit power of an activated capacity station can be controlled, and power consumption of an entire system can be reduced.

Abstract: The patent application discloses data transmission method, a base station, network controller and terminal. The base station includes a receiver, configured to receive codebook instruction from a network controller; a processor, configured to select one or more coordination codebooks from the one or more codebooks specified in the codebook instruction; and a transmitter, configured to send a codebook notification to the terminal. One or more codebooks that can be used by the base station in data transmission with a terminal are specified in the codebook instruction. The selected one or more coordination codebooks are specified in the codebook notification. The base station is one of a coordinating cluster of base stations that perform data transmission with the terminal.

Abstract: The method includes: obtaining an initial power allocation ratio of an edge user, and receiving a first SINR sent by the edge user at the initial power allocation ratio; calculating a first power allocation ratio according to the first SINR, selecting a greater power allocation ratio A, and receiving a second SINR sent by the edge user at the power allocation ratio A; determining a third SINR between a first SINR value and a second SINR value; and calculating a second power allocation ratio according to the third SINR, selecting a greater power allocation ratio B, and adjusting power allocation according to the power allocation ratio. Embodiments of the present invention mainly apply to a power control process in the Co-MIMO system.

Abstract: The present disclosure relates to the field of mobile communications technologies, and discloses a method for configuring a resource to a DRB, and an apparatus. The method is specifically: first determining, by a first CBS, resource configuration information used by a first DBS to separately allocate a resource to at least one DRB of UE; and then, sending, to the first DBS, a first resource allocation indication that carries the determined resource configuration information, so that the first DBS separately allocates the resource to the at least one DRB of the UE according to the resource configuration information. In this way, effectively implementing resource configuration for a protocol entity in a DBS according to a QoS requirement of a DRB.

Abstract: Embodiments of the present invention disclose a precoding method and an apparatus for heterogeneous network coordinated multi-point transmission. The method includes the following steps: obtaining parameter information of the heterogeneous network coordinated multi-point transmission system; comparing a first channel space transmitting power with the maximum transmitting power of a macro base station, and comparing a second channel space transmitting power with the maximum transmitting power of a micro base station according to the parameter information to obtain a comparison result; determining an obtaining manner of a precoding vector according to the comparison result, and obtaining a first precoding vector according to the obtaining manner of the precoding vector; and configuring the macro base station and the micro base station according to the first precoding vector. The present invention is applicable to a heterogeneous network coordinated multi-point transmission environment.

Abstract: The embodiments of the present invention provide a method and device for activating a capacity station by using wave beams. In some feasible embodiments of the present invention, by setting a set of wave beams to be transmitted for a capacity station in a dormant state, and by transmitting the wave beams in the set of wave beams to be transmitted, load information is collected. According to the covering relation of the capacity station in a dormant state and the set of wave beams to be transmitted and the load information, the capacity station needing to be activated is determined and activated.

Abstract: The present invention provides a method for transmitting a downlink signal, a method for receiving a downlink signal, a network system and a terminal. The method includes: transmitting, by a control base station, a first group of downlink signal to a terminal; and transmitting, by a data base station, a second group of downlink signal to the terminal, the first group of downlink signal is at least partially different from the second group of downlink signal. The first group of downlink signal and the second group of downlink signal enable the terminal to implement a network function according to the first group of downlink signal and/or the second group of downlink signal. Embodiments of the present invention can improve network energy efficiency.

Abstract: Embodiments of the present invention provide a capacity station activation method and system. The method includes: A coverage station sends activation control information to a capacity station, where the activation control information is used to enable the capacity station to send a pilot signal to a user in a power increasing manner; receives a measurement result of measuring the pilot signal by the user; determines, according to the measurement result, a capacity station that needs to be activated to meet a system requirement; and sends activation information to a determined capacity station that needs to be activated to activate the capacity station. With the capacity station activation method and system in the embodiments of the present invention, a capacity station that needs to be activated can be determined more accurately, and furthermore, transmit power of an activated capacity station can be controlled, thereby reducing energy consumption of a whole system.

Abstract: Embodiments of the present invention apply to the technical field of communications, and disclosed are a network switching method, system, and network side device. In the embodiment of the invention, within coverage of network side devices on one signaling plane, when a current network side device bearing data plane information of a terminal device determines that handover from the current network side device to a target network side device is required, the current network side device performs handover confirmation with the target network side device, so that the target network side device enables a data plane information communication function with the terminal device and completes switching the bearer of the data plane information.

Abstract: Embodiments of the present invention disclose a method and an apparatus for transmitting data in a multiple-antenna system, which are applied in a transmit diversity mode. The method includes: in a data transmission period, determining, according to transmission quality of the system, the number of antennas to be turned off and turning-off time; and in the turning-off time, turning off the determined number of antennas, turning on remaining antennas other than the antennas that are turned off, and transmitting, through the remaining antennas, the data to be transmitted; and during the remaining time of the data transmission period excluding the turning-off time, turning on all antennas and transmitting, through all the antennas, the data to be transmitted. According to the embodiments of the present invention, power consumption may be decreased while at the same time dynamic transmission performance of the system is considered, decreasing implementation complexity.

Abstract: An energy saving method, system and device for a base station, applied in the technical field of communications. The energy saving method comprises: if the number of user equipments sending a service request in the coverage of a coverage base station is greater than a first threshold, sending a second activation request to a capacity boosting base station, wherein the second activation request is used for requesting the capacity boosting base station in a dormant state to enter an intermediate state from the dormant state, and the intermediate state refers to that in the intermediate state, the capacity boosting base station bears a user equipment in a connected state rather than a user equipment in an idle state; and after the capacity boosting base station enters the intermediate state, transferring the user equipment to be connected to the capacity boosting base station in the intermediate state.

Abstract: Embodiments of present invention disclose a carrier control method, including: acquiring traffic information of a current period on one or more baseband boards in a base station itself, wherein the traffic information includes traffic of each sector; configuring, according to the acquired traffic information of the current period, a disabling sequence of the baseband board; determining, according to traffic information stored before the current period and the traffic information of the current period, a change situation of the traffic of each sector; and controlling, according to the change situation and the disabling sequence of the baseband board, carrier(s) in each sector. The embodiments of the present invention further disclose a base station device. Through the above technical solution, the carrier(s) in each sector can be controlled through the change situation of the traffic of the current period, so that resources are saved and a rate of utilization is improved.

Abstract: The present invention provides a method and a base station for managing capacity of a wireless communication network, which relates to the field of wireless communications and is capable of saving energy while adjusting capacity of a wireless communication network of a base station. The present invention includes: checking total traffic of all overlay networks belonging to the base station; if the checked total traffic keeps being lesser than a preset load threshold, searching for and determining a first overlay network; maintaining normal work of a power amplifier of at least one antenna in each group of antennas in the first overlay network and turning off power amplifiers of one or more other antennas; and connecting the one or more other antennas to the power amplifiers maintaining normal work in the groups in which the one or more other antennas are located.

Abstract: A transmission protocol is provided for wireless communications in an OFDMA system that uses a rateless code and techniques are provided for dynamically adjusting the subcarrier resources allocated to an OFDMA relay node so that the relay is used at the right time according to the instantaneous channel state information (CSI). As a result, a higher throughput is achieved between source and destination nodes based on a low complexity algorithm for determining when relay assistance is helpful for completing a transmission between the source and destination nodes.