35results about How to "Achieving Interference Coordination" patented technology

The invention discloses a method for coordinating interference, comprising the following steps: dividing time slot resources of adjacent three cells into three parts in advance, wherein all system available frequency resources on one part of time slot resources serve as special time frequency resources, all system available frequency resources on another part of the time slot resources serve as common time frequency resources, and all system available frequency resources on the rest part of the time slot resources serve as shared time frequency resources for the three cells; determining the special time frequency and the common time frequency resource for each cell according to the divided time slot resources; and distributing resources for cell edge users (CEU) and cell central users which request for dispatching respectively by using the above divided time frequency resources so as to lead the system to carry out flexible resource configuration according to the current position of the dispatched users, thus realizing interference coordination among cells which are suitable for a TDD mode system.

The invention discloses a method for achieving collaborative multipoint transmission dispatch and power distribution. Aiming at each PRB, the method adopts the algorithm of transmission dispatch for determining a user of a collaborative cluster and dispatch, namely, RSRP values are counted, SINR is calculated according to the RSRP values and a current condition, edge users which are served in each cell of each base station are found out, the collaborative cluster and the edge users which are served by the collaborative cluster are determined in an iterating mode, and an idle base station selects central users of the cell to conduct serving; power pre-distribution is conducted through a water-filling algorithm on each base station; a non-cooperative game is adopted in each PRB to conduct interference coordination and optimum allocation of power is achieved. The method has the advantages that a collaboration method is adjusted according to real-time dynamic conditions of the system parameters of each PRB, dispatch is flexible and adaptability is strong; by the adoption of the centralized transmission dispatch scheme, expenditure of algorithm time delay is low and real time performance is strong; due to the fact that the non-cooperative game is adopted to achieve interference coordination in CoMP, power distribution is reasonable and handling capacity of the edge users is improved.

An embodiment of the invention discloses an inter-equipment coordination method used for coordinating interference among high frequency cells. The method provided by the embodiment of the invention includes that a first equipment sends a first wave beam to a target terminal; a second equipment sends a second wave beam to the target terminal; the target terminal measures the received first wave beam and the second wave beam; if the first measurement value and the second measurement value meet preset conditions, the target terminal sends notification to the first equipment and indicates the first equipment and the second equipment for transmission coordination, so that the second equipment is enabled to adjust the second wave beam so as to reduce interference on the first wave beam by the second wave beam. The embodiment of the invention also provides a related wave beam training method and related device, equipment, terminal and system.

The invention discloses a method for coordinating semi-static interference, comprising the steps as follows: configuring frequency resources for cells of each base station according to a preset frequency distribution strategy when a system is in an initial state, wherein the frequency resources comprise movable bandwidth; performing united interference coordination when the base station to which user equipment (UE) belongs receives a united interference coordination request sent by an adjacent cell base station after the UE enters the cell interference measurement and reporting stage; and performing distributed interference coordination process according to the interference measurement reports and movable bandwidth of the cell thereof when the base station to which the UE belongs receives the interference measurement reports sent by the UE. By adopting the above scheme, the method for coordinating semi-static interference in the invention is suitable for a scene in which each cell has uniform load distribution as well as a scene in which each cell has non-uniform load distribution.

The invention discloses an interference coordination method, which comprises that: user equipment (UE) feeds interference user equipment (I-UE) which is a relay back to a base station; the base station increases the scheduling information of the I-UE in a relay physical downlink control channel (R-PDCCH) aiming at the relay, and transmits the R-PDCCH to the relay; and the relay allocates time-frequency resources orthogonal to time-frequency resources used by the I-UE on an access link of the relay according to the received scheduling information so as to realize interference coordination. Meanwhile, the invention discloses an interference coordination system. The method and the system can better realize interference coordination in a long-term evolution-advanced (LTE-A) system.

The present invention provides an uplink and downlink interference coordination processing method and apparatus. The method comprises the steps that subframe formats including an uplink subframe and a downlink subframe transmitted between a first network and a second network are configured, wherein the second network is a neighbor frequency band or a same frequency band of neighbor network of the first network, and the first network supports transmission of full downlink subframes; and the first network determines whether to start a downlink-against-uplink interference prevention mechanism according to the configured uplink subframe and downlink subframe of the second network. Through adoption of the method, a problem of how to coordinate interference by the networks of the neighbor frequency band and the same frequency band that support full downlink subframe and the network supporting only existing TDD subframe is solved, and downlinks of different networks can coordinate the uplink interference.

The invention provides an interference coordinating method including: every other preset period, making statistics on data rate Rn of each RB (resource block) of a cell in a system in a preset period to form an RNTP (relative narrowband transmission power) bit map, and transmitting the RNTP bit map to neighboring cells; and summing the RNTP bit maps received in the preset periods of one optional cell in the system according to the RBs, grouping the RBs according to summing results, and computing transmission power of each RB with the group serving as unit, wherein the transmission power of the RBs in the same group is the same, and the larger summing result the group has, the smaller the transmission power of the RB group is. By the aid of the interference coordinating method, resource utilization effectiveness can be guaranteed, and interference coordination is realized.

The invention relates to the technical field of the electric power system communication, and especially relates to an electric power LTE 230 network frequency distribution and interference coordination method under a static demand. The technical scheme is as follows: analyzing past yearly electric power service use data in a public network in a planning region to obtain an electric power network static demand diagram in an LTE network planning region, and establishing an electric power service information amount model; planning base stations according to the electric power network static demand diagram, and dividing the wireless frequency through the priorities of services to realize the physical isolation of the services; and regulating the transmitting power of a secondary base station according to the periodicity of edge service data use, thereby reducing the interference on a primary base station edge service by the secondary base station. The method disclosed by the invention has the advantages that the frequency distribution of the electric power network static demand is achieved, the positions of the base stations are designed through the electric power network static demand diagram, the distribution automation service demand under the extreme case is satisfied by adding a standby frequency pool, and the interference on the primary base station edge service by the secondary base station is reduced so as to realize the interference coordination.

The invention provides a heterogeneous network interference coordinating method. The heterogeneous network interference coordinating method comprises the following steps: a micro base station macro eNB informs load information through a load, informing current master control carrier configuration information of a cell or currently-available carrier resource information of a femto base station Pico eNB notified to the femto base station, wherein available carrier resources do not comprise a currently-configured master control carrier of the micro base station; and the femto base station configures the master control carrier and an auxiliary control carrier of the cell according to the configuration information or the available carrier resource information and according to a principle that the micro base station and the femto base station have different carrier configurations. By the heterogeneous network interference coordinating method, the Pico eNB and the macro eNB are ensured to use different carrier configurations and interference on Pico peripheral UE (user equipment) on a control channel can be minimized so as to coordinate the interference.

The invention discloses a heterogeneous wireless network uplink interference suppression method based on association control. The method mainly solves the problem about how to conduct association control on users so as to reduce cross-layer interference between macro cells and home cells and improve network performance when home base stations are opened and the users have access to the home base stations. The method includes the steps that mathematical description is conducted on the problem, and modeling is conducted on the problem to form an optimization problem with an objective function as the system throughput; due to the fact that the problem is an NP-Hard problem, the solution to the problem is divided into two parts, firstly, all the base stations perform sub-channel allocation so as to achieve interference coordination, and then a central controller performs access control on the users according to path gain information fed back by all the base stations so as to achieve interference transfer. Thus, the solution to the problem is obtained through a mode which can be implemented. Through interference coordination and interference transfer, finally the method reduces cross-layer interference of heterogeneous wireless network uplinks and improves the network throughput. The method can be applied to association control and interference suppression of the heterogeneous wireless network uplinks.

The invention discloses a method and a system for coordinating interference among communities; the method comprises the following steps that: a first community calculates the number of user equipment with the quality of service (QOS) not meeting a standard or the number of the user equipment with failing wireless link; and the relative narrowband TX power (RNTP) threshold of the first community and/or a second community which is adjacent to the first community is adjusted according to the number and a preset threshold of number. According to the invention, the interference among the communities can be coordinated according to the load changes of a network, so that the performance on the community edge is optimized.

The present invention relates to the mobile communication technology, and more particularly to a method and device for interference coordination between different types of base stations in Heterogeneous Networks. According to one aspect of the present invention, there may be provided a method for providing service to a User Equipment (UE) in a mobile communication network, and the method includes the following steps: A. a first type of base station determines to perform a coordination about the access of said UE with a second type base station, and sends a signaling to said UE, which comprises a coordination indication message and a dedicated preamble for accessing the second type of base station quickly; B. said UE receives said signaling and initiates a random access procedure to said second type of base station based on said dedicated preamble; D. after achieving the synchronization with said second type of base station, said UE forwards said coordination indication message to said second type of base station. With the application of the method and device in the present invention, the interference coordination between different types of base stations in Heterogeneous Networks can be implemented quickly.

The invention discloses a method for coordinating interference in a 5G communication indoor subsystem based on an Xn interface, which belongs to the technical field of communication, and comprises the following steps: enabling a plurality of base band units (BBUs) to interact through the Xn interface, and increasing the message content of the Xn interface: the number of cells contained in the BBUs, and the initial position and distribution direction of edge resources of each cell, after each cell obtains the edge resource information of the interference cell between the base band units (BBU) in the system, the edge resource selection of the cell is adjusted, the purpose of interference coordination is achieved, for the condition that the load of multiple users is large, compared with the prior art, resource allocation can be better achieved by dynamically adjusting the direction of the center resource or the edge resource, and the resource allocation efficiency is improved. And for the no-load condition with few users, the purpose of interference coordination can be achieved, and the utilization rate of center and edge resources can be improved.