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Problems solved by technology
[0003] However, in the existing 3GPP standards, the definition of load is not perfect, and only the requirements and partial solutions of the LB scheme are given, but no specific and complete implementation scheme is given.
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Embodiment 1
[0036] In the first embodiment, the air interface load of the cell is calculated according to the PRB usage rate.
[0037] The estimation of cell load can be divided into the following four parts:
[0038] 1) The load of GBR (Guaranteed Bit Rate) service;
[0039] 2) The load of non-GBR services;
[0040] 3) Load carried by signaling;
[0041] 4) The load of the common channel.
[0042] Since GBR services, signaling bearers and common channels must meet the guaranteed rate, the rate is relatively fixed, and the PRB occupied by it is also relatively fixed. Therefore, when calculating the cell load, the PRB can be used directly for these services Occupancy rate to describe its contribution to the system load.
[0043] For non-GBR services, because the rate is changed, it can be reduced to 0 at some moments. Therefore, when calculating the cell load, the PRB occupancy rate cannot be directly used to describe its contribution to the system load. The PRB occupancy rate of non-GBR services ne...
Embodiment 2
[0070] In the second embodiment, the solution of calculating the cell load by the minimum number of business units can improve the accuracy of calculating the cell load.
Embodiment 3
[0071] The following describes the third embodiment: the system load is evaluated according to the information of the resources (remaining capacity) that can be allocated to the cell
[0072] Different cells have different capacities, and only the resource occupation status cannot reflect the remaining capacity of the cell, that is, the resource status that the cell can still provide. Therefore, when a new user accesses, the remaining capacity information of the cell also needs to be considered. The remaining capacity of the cell is the resource status that the cell can allocate to new users.
[0073] Since the rate of non-GBR services is variable, that is to say, the resources occupied by them can be allocated to other services in some cases. Therefore, the remaining capacity of the cell is calculated based on the idle resources of the cell plus the allocated resources for non-GBR services. Among the resources of the GBR service, resources that can be allocated to other users und...
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Abstract
The invention discloses a cell load equalization method, and a cell load evaluation method and a device. The cell load equalization method comprises the following steps: acquiring load information of the local cell; acquiring load information of an adjacent cell according to the load information of the local cell; determining the target cell which needs to modify mobile parameters according to the load information of the local cell and the load information of the adjacent cell, and transmitting a parameter modification request message to the target cell; and executing the corresponding operation according to the fact whether the parameter modification fed back by the adjacent cell is successful or not. The scheme provided by the invention can better realize the load equalization in the network, thereby increasing the capacity of the network and the success ratio of the user access and reducing the time delay for the access.
Description
Technical field [0001] The present invention relates to the field of mobile communication technology, in particular to a cell load balancing method, cell load evaluation method and device. Background technique [0002] With the development of wireless service requirements, users have higher and higher requirements for wireless communication technology. In order to meet the requirements of faster service transmission rate, shorter time delay, and wider frequency band, LTE (Long Term Evolution) technology has emerged as the times require Raw. As the evolution of 3G (Third Generation, third-generation mobile communication) technology, LTE improves and enhances 3G air access technology. With the deployment of LTE networks, the future network operation environment will become more and more complex, reducing network construction prices The key factors are to improve the spectrum utilization, simplify the network structure, provide lower cost wireless base stations, and enhance maintai...
Claims
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