337 results about "Wireless resource management" patented technology

The invention discloses a data transmission method of a terminal direct communication in a cellular and D2D hybrid network, which comprises the following operation steps of: (1) while initializing a network, dividing spectrum resources for a common control channel (CCCH) of D2D communication, and providing a same frame structure for the D2D communication and cellular communication; (2) allocating the CCCH spectrum of the D2D communication, and defining a signaling and temporal relation loaded on the CCCH; (3) before starting the D2D communication, acquiring uplink resource allocation information of cellular user equipment (UE) by D2D UE, and measuring signals loaded on the allocation resources depending on the information, to obtain information on interference intensity of the various cellular UE; and (4) when transmitting the data by the D2D UE, interacting by a public control signaling and the temporal relation thereof to compete for cellular uplink resources; and implementing a wireless resource management decision depending on the measured interference information, to complete the data transmission. The data transmission method disclosed by the invention has the advantages that the operation is simple and convenient, wireless resource utilization rate is improved, D2D data transmission is more efficient, and the interference with the cellular communication can be avoided.

The invention discloses a method for generating a service distributing strategy. The method comprises the following steps of: receiving a service request message at least carrying service type information and sent by a user terminal; when determining that the distribution access control of the user terminal is necessarily performed according to the service type information, acquiring the network environment information of a first access network to which the user terminal belongs and the network environment information of at least one second access network which uses a different wireless system from the first access network, and acquiring the distribution advice information matched with the service type information; and according to the distribution advice information, combining the network environment information of the first access network and the network environment information of at least one second access network to generate the service distributing strategy. Therefore, the service distributing strategy can be generated in an effective way in a distributed type heterogeneous communication system without a common wireless resource management entity so as to realize service distribution, and the service quality of the communication system is improved, the QoS needs of the user can be met to a larger extent, and the experience of the user is enhanced. Moreover, the invention discloses a wireless resource management device and the communication system at the same time.

The invention discloses a wireless network slice based resource management method, and relates to the technical field of an access network of wireless communication technologies. The resource management method specifically comprises the steps that the current network is divided into a plurality of different wireless network slices according to characteristics of all access services in the current network; a centralized upper layer wireless resource manager allocates a special second-layer wireless resource manager for each slice according to a transmission mode, resource demand conditions and service performance indexes in each slice and performs centralized resource allocation, each second-layer wireless resource manager is responsible for monitoring service operating conditions and resource utilization conditions inside each slice in the running process of the network, and meanwhile, resource adjustment among the slices is performed through distributed interfaces so as to meet dynamic changes of the service performance. According to the invention, a centralized and distributed combined two-layer resource allocation method is adopted, available resources are allocated for the slices in a centralized mode so as to reduce the complexity of resource allocation, and meanwhile, distributed resource coordination among the slices reduces the resource management cost.

Systems and methods for management of resources in wireless networks such as IEEE 802.11 and 802.16 networks are described. Wireless resource management within a network specific configuration may be implemented in a combination of hardware and software based on knowledge of network and device specific parameters. Management of resources may include management of quality of service (QOS) and management of wireless devices operating in accordance with multiple protocols within a dynamic and adaptive resource management architecture.

A method of implementing fast dynamic channel allocation call admission control for radio link reconfiguration in a wireless communication system includes a precode allocation procedure, a signal-independent code allocation procedure, and a post-code allocation procedure. The pre-code allocation procedure receives and processes a request message and retrieves system measurements and wireless transmit/receive unit (WTRU) capability information from a centralized database. A list of available timeslots and a list of code sets is retrieved from the centralized database. The code sets are allocated to the available timeslots, wherein a successful assignment is a solution. The solution having the lowest weighted interference signal code power is an optimal solution. The WTRU information with new allocation information is updated in the centralized database. A radio link reconfiguration ready message with the results of the code allocation process is then sent.

In a radio access network, novel systems and methods reduce processing delay, and improve integration with IP networks, by separating user data from connection management and control data at a Node B or at a base station. The user data are routed to an IP (Internet Protocol) switch, whereas the connection management and control data are routed to a centralized radio network controller (RNC). Pursuant to a second embodiment of the invention, a centralized RNC provides improved radio resource management (RRM) functionality by handing all connection management and control data for a plurality of Node B's, thereby simplifying the switching of user data throughout the radio access network. Pursuant to a third embodiment of the invention, a smart IP switch is equipped to switch user data without core network (CN) involvement. Downlink user data are switched independently of uplink user data.

The system comprises several base stations. In each base station, there is a functional unit used for managing radio resource. Between the base stations, there is a control interfaces used for transmitting the radio management information. The invention reduces the complexity and system load in the switch process in evolving network, and raises the success ration of switch, and reduces the time delay of switch.

A method for radio resource management (RRM) in a wireless local area network (WLAN) having an access point and a station begins by obtaining a first group of parameters from a current traffic channel. Measurements from all available channels are taken for a second group of parameters. The radio resources of the WLAN are autonomously managed by selectively invoking at least one RRM algorithm that uses at least one parameter. A RRM algorithm may be invoked based upon results produced by a previously executed RRM algorithm, whereby RRM algorithms may be continuously invoked such that the radio resources are autonomously managed.

The invention is a mixed solution to wireless resources management and its implementing method, i.e. a solution to manage wireless resources (such as frequency, time gap, code channel, wireless transmission power, etc) and its implementing method, which synthetically uses related techniques of wireless resources management (namely power control, channel allocation, control technique, calling admittance control, self-adapting link, etc) in mobile communication system, according to transmission requirements of various services and estimated result of wireless channel, periodically updating system parameters by a wireless resources management and control device to allocate the wireless resources in the mobile communication system, thus more flexibly and reasonably using the wireless resources and assuring requirements for transmission quality of service (QoS) and increasing system capacity.

The present invention discloses a comprehensive dynamic management scheme of HS-DSCH channel codes, which comprises the steps of: determining a remainder HS-DSCH channel resource of a system when a new HS-DSCH bearer service request is received; calculating a required HS-DSCH channel resource for the new service request; comparing the current system remainder HS-DSCH channel resource with the required HS-DSCH channel resource for the new service request; determining whether there is a need to add new HS-DSCH channel codes based on comparison results, assigning new codes or switching the service request into DCH channel for data transmission in accordance with the actual usage of the current code tree; when the existing HS-DSCH bearer service is completed, calculating a current system HS-DSCH channel resource usage ratio and hysteresis then comparing it with a predefined threshold, and determining whether there is a need to withdraw channel codes based on the results of comparison. The dynamic resource management scheme according to the present invention is well suited for application to future HSDPA technology as the technology is broadly spreading by radio resource management algorithms of radio network controller.

The provided obtaining method for wireless resource management message in evolution network is to use a UE to obtain the wireless resource management message from near subzone and send to local BS for process. This invention completes task with less cost since no signaling interaction.

The invention discloses an intelligent cognitive wireless network system for realizing heterogeneous network convergence. New function entities with multi-domain active cognition, high-efficiency heterogeneous network resource management, and network or terminal reconstruction are added in the network elements of the existing wireless network system, namely, a cognitive information management module, an intelligent management module and a heterogeneous network convergence management module are added on a network side; a reconstruction management unit, a united wireless resource management & self-optimization unit, a cognitive information/knowledge base and cognitive information management module are added on a terminal side; four interactive interfaces, namely interfaces among operators, interfaces between the network side and the terminal side, interfaces among respective modules and interfaces among units inside the modules are arranged. Modules or units inside the modules realize information exchange via interfaces, and realize corresponding network functions jointly, so that the cognitive capacity, autonomous capacity and adaptive capacity of the network are extended, the intellectualization of network management is promoted, the efficient utilization of heterogeneous network convergence and system frequency spectrum is realized, and overall performance of the network is promoted.

Network selecting is a key problem of wireless resource management under a heterogeneous network scene. The invention provides a network selecting method based on multi-attribute decision-making and group decision-making. First, a subjective decision-making result and an objective decision-making result are obtained through a multi-attribute decision-making method, the subjective decision-making result and the objective decision-making result are obtained through a level analysis method and an entropy weight method respectively, then the subjective decision-making result and the objective decision-making result are combined through the group decision-making, compatible theory in the group decision-making is adopted for judging rationality of the combined result, whether the combined result has rationality is judged, if the result is not reasonable, decision-making is required, and combination is conducted again. The decision-making is conducted for a network according to the combined result, and a suitable network is selected for users. The network selecting method not only gives consideration to objective attribute, but also gives consideration to preference of the users, and the users can not select some networks with poor performance according to preference of the users. The network selecting method not only can effectively reduce times of switching, but also can provide satisfactory service quality for the users.

The present invention provides a method and user equipment for performing radio resource management. The user equipment receives a request for radio resource management for a cell, and performs radio resource management for the cell based on said request for radio resource management. The request for radio resource management includes information indicating the type of reference signal to be used in the radio resource management.

The present invention relates to a wireless communication system. More specifically, the present invention relates to a method for scheduling a terminal in a wireless communication system permitting overlapping between base station clusters, and an apparatus therefor, the method comprising the steps of: grouping a plurality of terminals into a plurality of groups satisfying predetermined conditions; and selecting one more terminals for scheduling by means of a group-based greedy algorithm for each of the plurality of groups, wherein, in the group-based greedy algorithm, a check is skipped for whether the total number of base station antennas corresponding to each group is equal to or greater than the number of terminals selected from each group.

The invention relates to a method of measurement and control in a wireless cellular communication system. In the process of measurement control and measurement report of adjacent cell which is initiated in a service cell, the service cell indicates whether a global cell ID corresponding to a bottom layer protocol ID used for identifying adjacent cell is a local uniqueness; after a terminal achieves the measurement of the adjacent cell, if the global cell ID corresponding to the bottom layer protocol ID of adjacent cells which are required to be reported is not the local uniqueness, and the adjacent cells are identified by the global cell ID in the measurement report. When a bottom layer protocol cell ID is corresponding to a plurality of global cell IDs, the invention ensures that the service cell can exactly identify corresponding adjacent cells in the measurement result of the terminal and ensures normal wireless resource management and operation.

When a wired connection detecting section 27 receives a connection establishment request from a wired network, a band conversion section 28 calculates a bandwidth required for wireless communications on the basis of bandwidth information obtained from communications in the wired network. Then, on the basis of the bandwidth calculated, the wireless resource management section 30 secures a communications resource in a wireless network.

Disclosed are method and device for selecting a cell in a wireless communication system. In particular, a method for selecting a cell by a terminal in a wireless communication system comprises the steps of: transmitting a random access preamble in a cell, which is selected by a terminal, to a base station; receiving a random access response from the base station; and, as a response to the random access response, transmitting an uplink message to the base station through a physical uplink shared channel (PUSCH), wherein the uplink message can comprises a radio resource management (RRM) measurement value which has been measured on the basis of a reference signal.

The invention relates to a wireless resource allocation method and device, relating to a communication technology. The wireless resource allocation method comprises the steps of: determining priority of a user according to user information reported by the user; determining a propriety of allocating wireless channel resources to each user according to the priority of each user; and allocating the wireless channel resources to each user according to the priority. Because the priority is provided for each user, and when the user accesses the network, the wireless channel resources are preferentially allocated to the user with high priority, thus the access service quality of the user with the priority is guaranteed. In addition, after the user with high priority accesses, service regulation influences of load congestion control, speed reduction and other algorithms to the user with high priority in the traditional wireless resource management algorithm are reduced, and further the network online time of the user with high priority is prolonged through starting a delay timer method.

A heterogeneous wireless network networking method based on calculation and processing integrates features of a heterogeneous network and features of a cloud wireless access network, and a large-scale cooperative processing and multi-antenna technology is utilized for fully obtaining large-scale cooperative processing and calculation communication gains, reducing operating expenses, improving the network transmission frequency spectrum performance and reducing energy consumption. According to the heterogeneous wireless network networking method, a remote radio frequency unit is not directly connected with a fixed baseband processing unit, but the baseband processing unit and a wireless resource management unit of the remote radio frequency unit are both moved to a large-scale centralized processing server and are connected through a high-speed optical fiber. A traditional macro base station is upgraded to be a heterogeneous multi-antenna super base station to be in cooperative communication with the large-scale centralized processing server. The heterogeneous wireless network networking method based on calculation and processing is flexible in deployment and high in upgrading speed, the cost of constructing and maintaining the wireless access network by operators is lowered, and human intervention in network management is reduced.

The embodiment of the invention discloses a system for achieving wireless resource management in a multi-system communication network and a method thereof. The system provided by the embodiment of the invention comprises a wireless resource management unit and a CRRM unit of a plurality of different single systems, wherein, the wireless resource management unit is used for reporting wireless resource information of each single system communication network to the CRRM unit and the CRRM unit is used for centralized management of wireless resources of the multi-system communication network on the basis of the wireless resource information. According to the provided proposal of each embodiment of the invention, the centralized management of wireless resources of the multi-system communication network is achieved by introducing the CRRM unit to the multi-system communication network; loading conditions and system operation state of the multi-system communication network can be completely controlled; real-time control and integrated optimization of the wireless resources of the multi-system communication network can be realized, thus making the best use of the wireless resources of the multi-system communication network and protecting investment of operators.