36results about How to "Guaranteed communication needs" patented technology

The invention discloses a system frame number (SFN) information transmission method. The method comprises steps: when a base station dispatches the SFN to the terminal, the base station bears the SFN information on an enhanced physical broadcast channel (Enhanced PBCH), wherein each unit frame comprises a plurality of Enhanced PBCHs; and the base station sends the SFN information to the terminal via the Enhanced PBCHs. The invention also discloses an SFN information transmission system and a device. Thus, transmission performance of the LTE (Long Term Evolution) system to the base station and to the terminal can be improved, and normal communication demands of the terminal can be ensured.

The invention discloses a V2X resource allocation method based on D2D communication. The method comprises the following steps: constructing an interference topological graph according to interference information; carrying out clustering on all vehicle users, wherein vehicle users causing no interference to each other are grouped into one cluster; allocating a channel for each vehicle user; and carrying out power adjustment on all cellular users and the vehicle users through a power adjustment scheme. The V2X resource allocation method based on D2D communication can effectively suppress cross-layer interference and same-layer interference between the cellular user layer and the vehicle user layer, and maximize throughput capacity of the cellular users under the condition of ensuring communication requirements of the vehicle users. The invention also provides a V2X resource allocation system based on the D2D communication.

The invention discloses a transmission method and a transmission device for control information. The transmission method comprises the steps that: a base station determines a source sending control information repeatedly according to predefined information, wherein the predefined information comprises at least one of coverage level, repetition level / times and aggregation level; and the base station sends the control information on the determined source repeatedly. Through the transmission method and the transmission device, the problem that an MTC terminal with enhanced coverage cannot receive a detection control channel correctly under the condition of different repetition times of transmission is solved, thereby guaranteeing normal communication requirement of the terminal equipment.

The invention relates to a satellite communication system, in particular to Beidou satellite communication equipment with a voice recognition function. The Beidou satellite communication equipment is structurally characterized by comprising a voice input unit, an audio analysis and recognition unit, a satellite communication unit, an audio synthesis unit, a character storage unit and a voice output unit, wherein the voice input unit is connected with a data input interface of the satellite communication unit by the audio analysis and recognition unit, a data output interface of the satellite communication unit is connected with the voice output unit by the audio synthesis unit, and the character storage unit is respectively connected with the audio synthesis unit and the audio analysis and recognition unit. The Beidou satellite communication equipment has the advantages that the problem of communication outage when outdoor rescue and relief work is carried out far away from a base station or base stations are out of service in a large area is solved, characteristic values of audio signals of a caller are analyzed, so that the voice signals are recognized and translated into short messages to be transmitted via a Beidou satellite communication system, the short messages are converted into voices to be played after being received, and the technical effect of real-time communication of the Beidou satellite is realized.

The invention discloses a communication system comprising a small cell base station, a device and a method. The system comprises a cell cluster which comprises a main control unit, an anchor cell base station and a common cell base station. The common cell base station comprises a small cell base station; the main control unit in the cell cluster controls all anchor cell base stations and all common cell base stations in the cell cluster; all the anchor cell base stations in the cell cluster are in the activation state so as to guarantee the constant coverage of the cell cluster, wherein the quantity of the anchor cell base stations in the cell cluster is smaller than that of the all cell base stations in the cell cluster; and the common base stations determines whether the common base stations are in the activation state according to the control of the main control unit. The application of the invention can save the energy consumption while guaranteeing the coverage effect.

The invention relates to an emergency communication method of a wireless cell phone and a wireless local area network and a communication device. The communication method comprises the following steps: (1) under normal condition, a communication system is in general communication mode, if the communication system detects that a general communication link fails, the communication system is switched into an emergency communication mode; if the communication system detects that the failures of the general communication link are eliminated, the communication system is switched back to the general communication mode; (2) under normal condition, the communication system is in general communication mode, if an authorized user starts the emergency communication mode, the communication system is switched into the emergency communication mode; if the authorized user closes the emergency communication mode, the communication system is switched back to the general communication mode; and (3) under normal condition, the communication system is powered by an external power supply, if the external power supply fails, the communication system is switched into a standby power supply; if the failures of the external power supply are eliminated, the communication system is switched back to the external power supply. The emergency communication method and the communication device solve the problem of communication between wireless users under emergency conditions.

The invention provides a trajectory optimization and resource allocation method for a single unmanned aerial vehicle backscatter communication network, and belongs to the technical field of unmanned aerial vehicle backscatter communication networks. The method comprises the following steps: 1, clustering a target area formed by all ground backscattering nodes according to node positions, dividingthe target area into N cells, and obtaining a centroid position of each cell; 2, setting the unmanned aerial vehicle to continuously fly among cells, and hovering above the centroid position of each cell to acquire data; 3, establishing an optimization target of single unmanned aerial vehicle backscatter communication network trajectory optimization and resource allocation; 4, decoupling the optimization target, converting the optimization target into a problem of dividing the hovering time of each cell and the proportion of the collected energy to the transmission time in each cell, iteratively solving, and outputting the optimal service time Ti of each cell and the proportion parameter beta i in each cell. According to the method, the energy consumption of the unmanned aerial vehicle isreduced, time resources are utilized to the maximum extent, and the system energy efficiency is remarkably improved.

Provided in an embodiment of the present invention are a measurement relaxation method, a measurement configuration method, a terminal and a network device. The measurement relaxation method comprises the steps: determining a measurement relaxation factor of a first cell, wherein the first cell is at least one of a serving cell and a neighbor cell of the terminal, and the measurement relaxation factor represents the measurement relaxation degree of the first cell; relaxing or not relaxing the measurement of the first cell according to the measurement relaxation factor. According to the embodiment of the invention, the terminal can continuously determine the measurement relaxation factor of the service cell and / or the adjacent cell to realize relaxation of different degrees of terminal measurement, and on the premise of ensuring the communication requirement, the time of the measurement task can be reduced, and the purposes of prolonging the standby time and saving power are achieved.

The invention discloses a managing method for mobile communication between high-destruction resisting distributed user networks, adopting the change of management mechanism on existing management entity to implement user position updating and change of inquiry method. The hometown proxy of the invention can automatically grow and synchronize according to network condition and actual use condition, and can complete distributed user register and inquiry for a user. Using existing wireless access network like 802.11 network, and adopting the method of the invention can compose a high-destruction resisting and reliable communication network, implementing communication requirement in some emergency occasions (such as the conditions of earthquake, large-range natural disaster, military application, etc.).

The embodiment of the invention discloses a service-oriented spectrum slicing method and device and a computer storage medium. The method can comprise the following steps: randomly allocating subcarriers to each user equipment based on a subcarrier number upper limit corresponding to a set communication demand scene and a communication demand scene where each user equipment is located; wherein thecommunication demand scene comprises a first communication demand scene and a second communication demand scene; obtaining residual bandwidth according to the total bandwidth of the system and subcarriers randomly distributed to all user equipment; determining candidate user equipment from the user equipment in the first communication demand scene according to a set selection strategy; quantitatively allocating subcarriers to at least one candidate user equipment based on the residual bandwidth, and obtaining the updated residual bandwidth; and allocating subcarriers to the user equipment inthe second communication demand scene according to the updated residual bandwidth.

The invention discloses a deployment method of software middleware of a multi-tenant data centre. The physical topological information of a data centre and the requests of tenants are taken as input; the demands of the tenants for virtual machines, the middleware and network resources are set based on a tenant virtual machine demand model; bandwidths are reserved for the tenants through the steps of searching a minimum subtree, deploying the tenant virtual machines and reserving network bandwidths; the deployment problem of storing the application virtual machines and the middleware virtual machines of the tenants can be effectively coordinated; the data centre can both ensure the demands of the tenants for the virtual machines, the middleware and the network and receive the quantity of the tenant requests to the maximum extent; and the income of the data centre is improved.

The invention provides a device and a method for monitoring short-messages. In the invention, the device comprises a rule definition module and an analysis module, wherein the rule definition module is used for pre-configuring monitoring rules including monitoring and balance thresholds which are used in flow-based monitoring in a ruled time period; and the analysis module is used for calculating and analyzing the short messages sent by a subscriber, searching for the balance of the subscriber when the number of the short messages sent by the subscriber reaches the monitoring threshold and marking the subscriber as a suspected subscriber when the balance of the subscriber is less than the set balance threshold. The device and the method can avoid the condition that the deliberate defaulting subscriber sends a great amount of spam messages by the loophole of a charge system, monitor the subscriber more comprehensively and effectively realize defaulting control at the same time.

The invention relates to a wireless ad hoc network, and belongs to the technical field of communications. A cross-network communication method based on the wireless ad hoc network is characterized by comprises the steps that when data in the wireless ad hoc network applies for transmission, a target terminal of data transmission is judged; when the target terminal does not belong to terminal equipment in the wireless ad hoc network, to-be-transmitted data is adapted to a data packet of a remote communication protocol; the data packet is transmitted to a communication module of the remote communication protocol through a communication serial interface to be converted into remote communication. A cross-network communication device achieving the cross-network communication method comprises a wireless ad hoc network communication module and a remote communication module, the wireless ad hoc network communication module is connected with the remote communication module through the communication serial interface to transmit data, and the wireless ad hoc network communication module comprises a data transmission terminal judgement sub module and a data adaptation sub module in the wireless ad hoc network. The invention further provides a cross-network communication system which achieves multiple mode communications of short distance and long distance.

The invention discloses an access control method and device. The access control method is applied to mobile communication terminals. The access control method includes the first step of measuring the first signal quality of first signals from a mobile relay node and the second signal quality of second signals from a macro base station, the second step of transmitting instruction messages to the mobile relay node when the difference value between the first signal quality and the second signal quality is within a predetermined interval, enabling the mobile relay node to determine the first number of the mobile communication terminals within the predetermined interval where the corresponding difference value between the first signal quality and the second signal quality is located according to all the received instruction messages, and determining an access proportionality coefficient according to the number, and the third step of having access to access objects selected from the mobile relay node and the macro base station according to the access proportionality coefficient. Through the access control method and device, the communication quality is improved.

The embodiment of the invention relates to a service control method and system and service control equipment. The method comprises the following steps: receiving a call request sent by first terminalequipment; determining the network bandwidth required for establishing the session connection of first service, and comparing the required network bandwidth with the current remaining network bandwidth; if the required network bandwidth exceeds the current residual network bandwidth, determining a target service in the services to which the session connection currently in the proceeding state belongs based on the service priority of the first service and the required network bandwidth; terminating the session connection of the target service to release the network bandwidth occupied by the session connection of the target service; and establishing the session connection of the first service between the first terminal equipment and the second terminal equipment based on the call request, thereby realizing a preemption control strategy based on the service priority, effectively ensuring the communication requirement of the service with high service priority, and improving the utilizationrate of network resources.

The invention provides a coordination enhanced transmission method for beam communication, relating to the technical field of wireless communication. The method is as follows: a station distributes frequency bandwidth resources required by UE (User Equipment) in a non-beam overlapping area to the UE in the non-beam overlapping area by employing OFDM (Orthogonal Frequency Division Multiplexing) according to transmission requirements of the UE in the non-beam overlapping area, and distributes the rest system frequency bandwidth resources to the UE in a beam edge overlapping area; a sending end modulates data to distributed frequency bandwidths for data transmission; a receiving end carries out data demodulation on the corresponding frequency bandwidths; and thus, the data transmission is finished. According to the coordination enhanced transmission method, under a single-beam service multiple-UE service mode, the problems of low service efficiency and resource waste of the single-beam service single-UE service mode are avoided. With multi-beam coordination, while the communication requirements of the UE in the non-beam overlapping area are guaranteed, the performance of the UE in the beam overlapping area is improved; a multi-beam coordinated service is carried out in the single station, so the coordination among the beams is easy and the implementation is simple.

The invention relates to a multimode expansion connector and a multimode micro base station system. The multimode expansion connector comprises a first interface and at least one second interface; thefirst interface is connected with a main control module; the second interface is connected with an expansion module; the main control module and the extension module are in different mode states; andwhen the main control module communicates with the extension module, a signal sent by the main control module is sent to the extension module through the first interface and the second interface. With the multimode expansion connector adopted, the integration and expansion of modules of multiple mode states can be realized, namely, communication among multiple different mode states (or differentmodes) can be flexibly realized, so that the communication requirements of a user on services in different modes can be ensured.

The invention proposes a single UAV backscatter communication network trajectory optimization and resource allocation method, which belongs to the technical field of UAV backscatter communication network. Including: step 1, cluster the target area composed of all ground backscatter nodes according to the node positions, divide it into N cells, and obtain the centroid position of each cell; step 2, set the UAV to fly continuously between the cells , and hover above the centroid position of each cell to collect data; Step 3, establish the optimization goal of single UAV backscatter communication network trajectory optimization and resource allocation; Step 4, decouple the optimization goal and convert it into each The problem of the hovering time of each cell and the ratio of energy collection and transmission time in each cell is solved iteratively, and the optimal service time T of each cell is output. i and the proportional parameter β in each plot i . The method of the invention reduces the energy consumption of the unmanned aerial vehicle, utilizes time resources to the greatest extent, and significantly improves the energy efficiency of the system.

The embodiment of the present invention discloses a service-oriented spectrum slicing method, device, and computer storage medium; the method may include: based on the upper limit of the number of subcarriers corresponding to the set communication demand scenario and the communication demand of each user equipment Scenarios, randomly assigning subcarriers to each user equipment; wherein, the communication demand scenario includes a first communication demand scenario and a second communication demand scenario; obtain the remaining bandwidth according to the total system bandwidth and subcarriers randomly allocated to all user equipment; Determine candidate user equipment from user equipment in the first communication demand scenario according to a set selection strategy; allocate subcarriers quantitatively to at least one candidate user equipment based on the remaining bandwidth, and obtain an updated remaining bandwidth; The updated remaining bandwidth is used to allocate subcarriers to the user equipment in the second communication demand scenario.

The invention discloses a self-optimization method for interference management based on non-orthogonal multiple access, which belongs to the field of wireless networks. Specifically, firstly, in an ultra-dense scene, each small base station calculates and requests each small base station separately for a fixed sub-bandwidth. The signal-to-noise ratio between users, according to the perceived interference signal strength of adjacent base stations, deletes the adjacent interfering base stations of the base station, and independently constructs a dynamic local interference map; then, considering the user's communication needs and local interference map information comprehensively, Each small base station completes resource allocation independently. In order to reduce inter-network interference, the interference optimization problem is modeled as a game problem based on satisfaction, and a distributed algorithm is used to obtain the resource allocation result. Each small base station reasonably allocates different resources for each requesting user. The power and sub-bandwidth can optimize the system interference. The invention effectively reduces the network interference, ensures the user's communication requirements, and has good convergence.

The invention provides an electromagnetic shielding room and a communication system, and the electromagnetic shielding room comprises a shielding room housing and an LIFI module used for optical communication. The LIFI module is arranged in the shielding chamber shell and comprises a metal shell, a communication optical fiber, an optical transceiver and a power supply unit for supplying power to the optical transceiver; the optical transceiver is arranged in the metal shell and is connected with one end of the communication optical fiber; the other end of the communication optical fiber passes through the metal shell and extends to the outside of the shielding chamber shell; the power supply unit is arranged in the metal shell and is electrically connected with the optical transceiver; and a waveguide window is arranged at the position, corresponding to the optical transceiver, of the metal shell and used for transmitting light emitted and received by the optical transceiver. Therefore, communication requirements in a shielding scene can be expanded based on LIFI communication, and compared with a wired communication mode, the LIFI communication is wireless communication, so that the convenience and the practicability are higher, and the communication experience of a user is further improved.

The application relates to a multimode expansion connector and a multimode micro base station system. The multimode expansion connector includes: a first interface and at least one second interface; the first interface is connected to the main control module, and the second interface is connected to the expansion module; the main control module is connected to the expansion module In different modes; when the main control module communicates with the expansion module, the signal sent by the main control module is sent to the expansion module through the first interface and the second interface. The multi-mode expansion connector can realize the integration and expansion between modules of various modes, that is, it can flexibly realize the communication between multiple different modes (or different modes), so that users can be guaranteed that different modes The communication needs of the business below.

The invention discloses a managing method for mobile communication between high-destruction resisting distributed user networks, adopting the change of management mechanism on existing management entity to implement user position updating and change of inquiry method. The hometown proxy of the invention can automatically grow and synchronize according to network condition and actual use condition, and can complete distributed user register and inquiry for a user. Using existing wireless access network like 802.11 network, and adopting the method of the invention can compose a high-destruction resisting and reliable communication network, implementing communication requirement in some emergency occasions (such as the conditions of earthquake, large-range natural disaster, military application, etc.).

The invention relates to a support vector machine-based site selection method for disaster relief mobile emergency base stations. According to the center position of the disaster-stricken area, the site selection area of ​​the on-site data collection base station is set; the building label is given; based on the building position coordinates and labels, using The support vector machine solves the hyperplane; in the case of considering the width of the building, check whether the solved hyperplane meets the requirements in terms of geometric relationship; based on the saved field data collection base station position solution and the mobile command center base station position solution, estimate the base station signal Attenuation during transmission; if the received signal between the field data collection base station and the mobile command center base station meets the requirements, then output the location solution of the field data collection base station and the mobile command center base station. The invention can obtain the effective positions of the on-site data collection base station and the mobile command center base station, and ensures effective communication between the on-site data collection base station and the mobile command center base station.

The invention provides a network access power control method which is applied to network access control equipment. The method includes the following steps: obtaining a minimum transmission rate of a networking device currently connected to the network access control equipment; calculating minimum power values corresponding to the minimum transmission rate and the networking device and supported bythe network access control equipment; selecting a maximum value from the minimum power values as an output power value of the network access control equipment; and controlling the network access control equipment to reach the output power value. By controlling the power of the network access control equipment, in the case that the method makes each of networking devices reach the minimum transmission rate, the power of the network access control equipment is reduced as small as possible, thereby reducing energy consumed by a network device while communication requirements of the networking devices can be ensured. The invention provides a network access power control system, network access control computer equipment, and a storage medium.

The invention discloses a V2X resource allocation method based on D2D communication. The method comprises the following steps: constructing an interference topological graph according to interference information; carrying out clustering on all vehicle users, wherein vehicle users causing no interference to each other are grouped into one cluster; allocating a channel for each vehicle user; and carrying out power adjustment on all cellular users and the vehicle users through a power adjustment scheme. The V2X resource allocation method based on D2D communication can effectively suppress cross-layer interference and same-layer interference between the cellular user layer and the vehicle user layer, and maximize throughput capacity of the cellular users under the condition of ensuring communication requirements of the vehicle users. The invention also provides a V2X resource allocation system based on the D2D communication.

The embodiment of the invention provides a cross-application communication method and device.The method comprises the steps that a main application and a plurality of sub-applications are created at the front end, all the applications correspond to different pages, and when message sending operation is carried out, the first sub-application sends a message to the main application according to application data stored locally; judging whether a target channel corresponding to the message and a corresponding second sub-application exist or not; under the condition that the second sub-application and the target channel exist, the first sub-application broadcasts and sends a message; and the second sub-application receives the message and sends the message to a page corresponding to the second sub-application through the target channel. The real cross-page communication is realized instead of father and child page communication, the communication requirements among a plurality of front-end pages of a large enterprise can be ensured, the pressure of a server is reduced, and the method has the characteristics of wide applicability, safety and high efficiency. Meanwhile, the method also conforms to the trend of front-end micro-services, is suitable for collaborative development and mutual calling of a plurality of front-end teams, and meets the requirements of business development.

The invention relates to a wireless resource allocation method oriented to vehicle queue control requirements, including: establishing a highway model, a vehicle queue model, and a wireless communication model between vehicles, and designing a vehicle distributed control law considering communication delay; On the premise of stability, obtain the maximum allowable communication delay between vehicles; on the premise of ensuring the chord stability of the fleet, obtain the maximum allowable communication delay between vehicles; obtain the maximum allowable vehicle platoon system The communication delay between vehicles is the minimum value between the above two; the system's requirement for delay is transformed into a constraint on the signal-to-interference-noise ratio (SINR) of communication between vehicles; the problem is described as under the SINR constraint, Maximize the traversal capacity of the spectrum sharing vehicle wireless communication system; analyze and obtain the optimal signal transmission power of two types of vehicles; obtain the optimal spectrum multiplexing vehicle device pair according to the bipartite graph maximum weight matching algorithm.

The present invention discloses an access control method and device, wherein the access control method is used for mobile communication terminals, and the access control method includes: measuring the first signal quality and the first signal quality of the first signal from the mobile relay node The second signal quality of the second signal from the macro base station; when the difference between the first signal quality and the second signal quality is within a predetermined interval, sending an indication message to the mobile relay node, so that the mobile relay node Determining the first number of mobile communication terminals whose corresponding difference between the first signal quality and the second signal quality is in the predetermined interval according to all received indication messages, and determining an access proportional coefficient according to the number; then Inputting the access object selected from the mobile relay node and the macro base station according to the access ratio coefficient. The invention improves the communication quality.