193 results about "Virtual base station" patented technology

The invention provides an LTE and WLAN interconnecting system and a switching method; and the system introduces the entity of a virtual base station under an LTE architecture, and accesses the entity into the interface of the LTE as WLAN. On the LTE side, the virtual base station remains transparent relative to the LTE side, and is provided with the functions of a general LTE base station. On the WLAN side, the virtual base station can control the WLAN access point. The switching between the LTE and the WLAN is realized through the virtual base station through a standard X2 interface. A second layer tunneling protocol or an Ethernet tunneling protocol is adopted between the virtual base station and the WLAN access point to realize the transmission and the receiving of data and signaling during the switching process, and the WLAN serves as the bottom layered transmission channel of the data and the signaling of an LTE system. The method has the advantage that for the LTE, the switching process is kept consistent with the LTE switching process, which has very small impact on the traditional LTE. The WLAN is connected with the LTE in a tight coupling way, thereby greatly meeting the business requirement requirements, reducing the time delay caused by system switching, and ensuring the system performance.

In one embodiment, a system and method for determining a location of a mobile device are described. A number of different locations for the mobile device is provided using a location determining system. The locations for a number of virtual base stations are determined utilizing the known locations for the mobile device. Then a new location for the mobile device is established based on the determined plurality of locations of the virtual base stations. In one embodiment, a system and method for establishing network references for a first wireless location determining system are described. A plurality of known locations for a mobile device is provided using a second location determining system. Radio signals between the mobile device and base stations of the first wireless location determining system are measured and a plurality of locations for a respective plurality of virtual base stations are determined based on the known locations of the mobile device and the measured radio signals. The determined plurality of locations for the plurality of virtual base stations are then utilized to establish network references for the first wireless location determining system.

In a wireless multi-hop relay network arranged in a tree topology, the base station and one or more relay stations are associated as a virtual base station (VBS). The base station and each relay station have a unique virtual base station identifier (VBS-ID) associated with the path defined by the base station and the one or more relay stations. a relay station in the branch uses its VBS-ID for communicating with an attached subscriber station (e.g. a mobile station) such that communications between the base station and subscriber station occur via the VBS. Subscriber station data communications are relayed between the base station and the one or more relay stations over the VBS via a tunnel connection. The VBS is autoconfigurable. Mobility for subscriber stations and relay stations is provided through reconfiguration of VBS's.

A method, apparatus and a system to share a wireless spectrum by mobile devices of different operators. The sharing of the wireless spectrum is done by providing a first virtual base station to communicate with mobile devices of a first operator and providing a second virtual base station to communicate with mobile devices of a second operator.

A method, a system and a device for network handover are provided, which are applied to the field of communications technologies. The method includes the following steps that: a terminal first obtains information of a handover manner of handover from a virtual base station to a target base station, and then sends a corresponding message to the virtual base station according to the information of the handover manner, so as to perform network handover, so that in a procedure that the terminal is handed over from a non-WiMAX network to a WiMAX network, the terminal may be directly handed over according to the handover manner supported by the virtual base station. Compared with the conventional art in which handover manners require handover attempts, the adoption of the method for network handover reduces handover time and increases network handover efficiency.

The invention relates to a novel radio network architecture, called G-RAN (green-radio access network) which realizes energy conservation and consumption reduction by re-designing the traditional network architecture in the further mobile communication network. Aiming at reducing the number of machine rooms of a base station, reducing energy consumption and improving spectrum efficiency, on the basis of the key technologies such as centralized base-band processing, virtual base station, base station coordination, dynamic network architecture and the like, and combining with resource sharing and network dynamic scheduling, the G-RAN is proposed to realize low-cost, high-bandwidth and high-flexibility operation. The radio network architecture introduces a series of new technologies and processes such as distributed base station, base station virtualization, centralized processing and the like, and promotes the improvement of energy utilization efficiency of the industry.

A wireless communication system including a gateway device that connects a core network and a wireless access network. The wireless access network includes a virtual base station that includes a representative base station connected to the gateway device and a plurality of unrepresentative base stations, which are subordinate to the representative base station. The presence of the unrepresentative base stations is hidden from the gateway device and an adjacent base station.

Methods and systems are provided for using virtual base stations in communication systems. An example communication system may comprise a plurality of fixed base stations. A first fixed base station in a communication system may be used to transmit signals of a virtual base station. A second fixed base station in the communication system may then be selected on the basis of the location and / or of the movement of a group of mobile devices that are connected with a virtual base station; and transmission of the signals of the virtual base station may be switched from the first fixed base station to the second fixed base station.

The embodiment of the present invention relates to the communication technology field, and discloses a creation method of a virtual base station and a base station cloud device. The method comprises the steps of using the base station cloud device to generate a virtual resource pool, wherein the virtual resource pool comprises the virtual resources formed by the general-purpose hardware and special hardware of a target base station; receiving the creation information used for creating the virtual base station, wherein the creation information comprises the configuration information of the virtual base station; using the base station cloud device to obtain the target virtual resources configured to the virtual base station from the virtual resources according to the configuration information; then configuring the target virtual resources into a base station virtual machine, loading base station software for each target virtual resource in the base station virtual machine to generate the virtual base station. According to the embodiment of the present invention, the physical resources provided by the general-purpose hardware and special hardware of the base station can be virtualized, thereby realizing the resource share of the hardware resources of the base station and the resource dynamic scheduling.

The embodiment of the invention discloses a system and device for base station management and a base station management method. The system comprises a node used for providing a computing resource and a network resource of a base station and virtualizing the computing resource and the network resource into a logic resource; an exchanging device used for performing data exchange among nodes; a node management device used for forming a resource pool based on the information of the logic resource and scheduling the resource in the resource pool to a cloud virtual base station based on the data exchange of the exchanging device; a cloud virtual base station management device used for managing the resource of the cloud virtual base station based on the resource pool information provided by the node management device; a cloud virtual base station used for respectively obtaining the logic resources provided by the nodes based on the management of the cloud virtual base station management device and the scheduling of the node management device, and providing a base station service based on the logic resource. According to the invention, sharing of multi-node resource in the base station system can be realized.

The invention discloses a real-time management and control method for a terminal and a base station control module. The method comprises the following steps: monitoring the base station signal of a management and control region, searching for a base station with highest signal intensity and a neighboring base station with highest signal intensity in neighboring base stations of the base station, and using the searched neighboring base station as a management and control base station; when the terminal enters the management and control region, performing signaling interaction between the management and control base station and the terminal; and when the identifier of the terminal is judged to be in a blacklist of a preset whitelist and blacklist database, performing management and control on the terminal. According to the method, a blacklist and a whitelist can be preset and the blacklist and whitelist can be modified in real time in a mobile phone management and control process based on a virtual base station, so that communication of terminals removed from the blacklist is gated, and terminals newly added into the blacklist are managed and controlled.

In a cellular communications network (10), additional control signals comprising virtual base station identification data are distributed in the radio system from well defined locations by e.g. transmitters (7A-G). Since there is a connection between each virtual base station identification data and the location from where it is transmitted, a mobile terminal (6) can use the information for improving its position estimation according to conventional procedures. No modifications of the mobile terminals (6) are therefore necessary. The mobile terminal (6) is not able to connect to the communications system (10) using the virtual base station identification data, since this data only is intended for position estimating purposes. In such a way, the devices for providing the additional information necessary for the improved position estimation can be made very simple and inexpensive.

The invention discloses a RTK (Real-Time Kinematic) Beidou positioning system based on a Beidou short message mode. The RTK Beidou positioning system comprises at least one Beidou positioning base station, at least one Beidou positioning movement station, at least one Beidou director and at least one Beidou communication module. The Beidou positioning base station is connected and communicated with the Beidou director. The Beidou positioning movement station is connected and communicated with the Beidou communication module. The Beidou director and the Beidou communication module are communicated through satellite forwarding. The Beidou positioning base station generates Beidou base station positioning information and generates a Beidou short message. The Beidou director sends an announcement call to the Beidou positioning movement station via a Beidou satellite in a short message mode. The Beidou positioning movement station generates Beidou movement station positioning information, receives the Beidou short message, performs analysis to obtain the Beidou base station positioning information, performs real-time solution to obtain virtual base station positioning information, and performs real-time solution to obtain high-precision Beidou positioning RTK coordinates. The invention discloses an RTK Beidou positioning method based on the Beidou short message mode.

The invention discloses a network virtualization frame in a long term evolution system and a resource blocks allocation method under the frame. According to the network virtualization frame, a network resource manager is introduced to virtualize a physical base station into a plurality of virtual base stations, and each virtual base station has an independent virtual network controller; network resource management falls into resource block management and user information management, and a resource block manager cannot visit user information; a utility function comprising adjustable parameters is introduced, and the offer and earning of an operator are defined according to the utility function; all the resource blocks are allocated one by one; when each of the resource blocks is allocated, the operator offers, and the operator with the highest offer acquires the resource block, allocates the resource block for a user and considers the speed requirement of the user and the minimum resource block guarantee of the operator in allocation. Through adoption of the network virtualization frame and the resource blocks allocation method, the operator can offer faithfully, the dispatch of interior of the virtual network is customized by the operator which the virtual network belongs to, and virtual networks can be isolated.

The invention provides a topological interference alignment method of an MIMO interference broadcast channel for solving the technical problem that the topological interference alignment of generalized MIMO cannot be realized in the prior art. The method comprises the following steps: setting the system; constructing a partial connection model of MIMO IBC, and then converting the same into the partial connection model of MIMO IC through virtual base station expansion; solving a precoding matrix and a decoding matrix of an MIMO IC system satisfying a topological interference condition; designing an MIMO IBC precoding matrix and a decoding matrix, and eliminating inter-cell interference through proper signal processing technology; and designing a precoding matrix of a base station to eliminate intra-cell interference. By adoption of the topological interference alignment method provided by the invention, the topological interference alignment of generalized MIMO IBC can be realized, and a lower limit of a degree of freedom that can be reached by the MIMO IBC system with given topological information can be analyzed.

The embodiment of the invention discloses a wireless communication system and a resource scheduling method. The wireless communication system comprises a cloud virtual base station platform used for virtualizing a base station physical resource of a node on a physical layer into a logic resource on a resource layer and scheduling the logic resource provided by the resource layer to the cloud virtual base station on a resource scheduling layer, wherein the base station physical resource includes a node computing resource and a node network resource; a cloud virtual base station used for providing a base station service to one or more operators based on the logic resource scheduled by the cloud virtual base station platform; and a cloud virtual base station management device used for managing the cloud virtual base station. According to the invention, efficient allocation of equipment resource of the base station is improved while RAN Sharing is provided.

The invention discloses an Ad-Hoc network mode-based RTK (Real-Time Kinematic) Beidou positioning system, comprising at least three Beidou positioning base stations, at least one Beidou positioning movement station and a plurality of wireless communication modules. Each Beidou positioning base station is connected and communicated with one wireless communication module. The Beidou positioning movement station is connected and communicated with one wireless communication module. The plurality of wireless communication modules form an Ad-Hoc network. Each Beidou positioning base station generates base station positioning data and sends the base station positioning data to other wireless communication modules in the Ad-Hoc network through the corresponding wireless communication module. The Beidou positioning movement station generates movement station positioning data, receives base station positioning data, and timely solves virtual base station positioning data of a virtual base station according to the base station positioning data and the movement station positioning data. The Beidou positioning movement station performs real-time solution to obtain high-precision Beidou positioning RTK coordinates. The invention also discloses an Ad-Hoc network mode-based RTK Beidou positioning method.

The embodiment of the invention discloses a wireless communication system, a cloud virtual base station and a resource scheduling method. The wireless communication system comprises a cloud virtual base station platform used for virtualizing a base station physical resource of a node on a physical layer into a logic resource on a resource layer and scheduling the logic resource provided by the resource layer to the cloud virtual base station on a resource scheduling layer, wherein the base station physical resource includes a node computing resource and a node network resource, and the cloud virtual base station is a cloud virtual base station with different systems; a cloud virtual base station used for providing a base station service of the preset system based on the logic resource scheduled by the cloud virtual base station platform; and a cloud virtual base station management device used for managing the cloud virtual base station. By adopting the wireless communication system, a multi-system base station can be provided.

The present invention provides an access network side tile managing and controlling system and a method, wherein the system includes: a module configured to formulate an access network side tile strategy based on network requirements; a module configured to send an indication message to a virtual base station managing and controlling module to complete the association relationship between the tile and the virtual base station based on the tile strategy; and a module for configuring the virtual base station associated with the tile according to the indication message. According to the present invention, the system can effectively control and control the access network side tile, establishes the mapping relationship between the tile and the base station based on the network requirements, and flexibly performs the dynamic adjustment.

This invention is about a method to reduce the near-far effect in the physical and media access control (MAC) layer for focusing on CDMA radio technologies in ad-hoc network systems. The radio resource is first organized and separated into small pieces, divided in both frequency domain (FDMA) and in time domain (TDMA). Each radio resource is considered as a physical radio channel (PRC). Any node in the network can dynamically allocate it. The near-far effect will be mitigated in each PRC, which is used for supporting a set of CDMA based sub-channels. The selection of the TX and RX PRC depends on which small geographical area (SGA) the node is located. As the nodes in the same SGA share the same PRC as the preferred and designated receiving PRC, power control is possible in a neighborhood of multiple SGA. Each SGA is viewed as a virtual base station regarding a designated PRC as the uplink channel. And each PRC provides a multiple sub-channels via the CDMA method. Adopting this Listening Frequency and Resource Planning (LFRP) can substantially increase the ad-hoc network capacity, by limiting the near-far effect in CDMA channels.

The invention discloses a controlling method and system of a terminal boundary. The method comprises the following steps: monitoring a base station signal in a controlling region, and searching out the base station with the strongest signal and the adjacent base station with the strongest signal in the adjacent base stations of the base station, and using the adjacent base station as a controlling base station; triggering a monitoring module at the entrance of the controlling region when the terminal enters the controlling region, and sending a terminal entering signal to the controlling base station; the controlling base station controlling the terminal after interacting a signaling with the terminal according to the signal. Through the adoption of the controlling boundary auxiliary judgment method based on the virtual base station technology, the controlling boundary can be more accurately determined, so that the physical boundary of the controlling region is coincided with the actual controlling boundary, the terminal entering the controlling occasion can be immediately controlled, and the terminal not entering the controlling occasion cannot be controlled.

The invention aims at providing a method, a device and a system for achieving dynamic migration of virtual base stations in a BBU pool. A second virtual base station for accepting migration of a first virtual base station is determined by utilizing a migration management device according to a migration request of the first virtual base station; the first virtual base station sends a corresponding migration relevant parameter to the second virtual base station; the second virtual base station configures a corresponding communication tunnel according to the migration relevant parameter; the first virtual base station switches a corresponding data path and an interface to the second virtual base station according to the communication tunnel. Compared with the prior art, the method, the device and the system achieve non-destructive virtual base station migration, millisecond-magnitude-order service interruption time and packet loss freeing, ensure the service quality and enable users not to feel the migration process.

The invention discloses a shifting method for the seamless area, comprising: dividing the distributed antenna unit into odd type and even type at intervals; selecting the first antenna unit and the second antenna unit to form the virtual base station according to the upward signal intensity; the first antenna unit and the second antenna unit transmit the signal signs with different codes to the user device; while processing the area-crossing shift, updating the virtual base station according to the upward signal intensity; transmitting the to-be transmitted data to the antenna unit needing the shift to a same type antenna unit. The invention also discloses a shifting system for the seamless area. The complex of the invention is low, which can improve the system performance of the area-crossing shift by using the simple cooperation of the distributed antenna; the specific representation is that: the statistic average value of the communication noise radio at the subdistrict boundary is significantly enhanced and the distribution of the communication noise radio at the subdistrict boundary is significantly improved, in the other words, the communication interruption performance is significantly enhanced.

The invention discloses a cloud+ terminal positioning service method and system. The method comprises: a terminal sending observation data to the cloud server; the cloud server obtaining at least twokinds of position information through calculation according to the observation data and precision data collected by the cloud server, and selects optimal position information from the position information; the cloud server returning optimal position information to the terminal and calculates time information corresponding to observation data adopted by the optimal position information; and the terminal establishing virtual base station data according to the position information and the observation data, and performs real-time positioning by using the virtual base station data.

The embodiment of the invention discloses a mobile station positioning method and device and a computer-readable storage medium. The method comprises a step of detecting whether the reception of real-time dynamic RTK differential data is interrupted or not, a step of taking a mobile station position calculated in a preset time range and a corresponding mobile station observation value as virtual base station observation values when the reception of real-time dynamic RTK differential data is interrupted, and performing RTK calculation according to the virtual base station observation values anda mobile station observation value at the current moment to obtain a mobile station position at the current moment. According to the embodiment of the invention, when the reception of the RTK differential data is interrupted, the mobile station position calculated in the preset time range and the corresponding mobile station observation value are taken as the virtual base station observation values when the reception of the dynamic RTK differential data is interrupted, centimeter-level precision positioning service can still be maintained under the condition that the reception of the RTK differential data is interrupted, and the support of other external data is not needed.

A virtual base station apparatus (virtual AP) formed by a plurality of base station apparatuses (APs) requests a terminal apparatus (STA) to start beamforming training. The terminal apparatus transmits a plurality of first training frames to the virtual base station apparatus. The virtual base station apparatus receives the plurality of first training frames by using the plurality of base station apparatuses, and transmits a plurality of second training frames including information on a training frame received under the best conditions from a first base station apparatus that has received the training frame received under the best conditions to the terminal apparatus. The terminal apparatus receives the plurality of second training frames, and transmits to the virtual base station apparatus a second frame including information on a frame received under the best conditions among the plurality of second received training frames,

The invention provides a method and device for locating indoor target user equipment in an indoor base station, wherein the method comprises the following steps of: A, determining a first remote wireless unit from a plurality of remote wireless units; B, constructing an alternative base station set; C, determining whether at least two auxiliary base stations exist in the alternative base station set or not; C1, when the at least two auxiliary base stations exist, locating the target user equipment through the at least two auxiliary base stations exist and the first remote wireless unit; C2, when the at least two auxiliary base stations do not exist, setting one auxiliary user equipment located by the at least two auxiliary base stations in the alternative base station set and one remote wireless unit in the plurality of remote wireless units as a virtual base station, adding the virtual base station as an alternative base station into the alternative base station set, and implementing the step C. By means of the method, the indoor user equipment is precisely located in the event that adjacent base stations do not exist.