Method and device for resource allocation
A technology of resource allocation and allocation unit, applied in the field of communication, can solve the problems of poor perception experience, affect the perception experience of microcell users, and downlink interference of microcell users, and achieve the effect of reducing interference and improving spectrum utilization.
Active Publication Date: 2019-01-18
CHINA UNITED NETWORK COMM GRP CO LTD
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Problems solved by technology
In this networking mode, macrocell users who are far away from the macrocell base station and close to the microcell base station are vulnerable to strong downlink interference from the microcell base station. Therefore, such macrocell users have poor perception At the same time, since the transmission power of the microcell base station is generally much smaller than that of the macrocell base station, the macrocell base station is likely to cause strong downlink interference to the microcell users and affect the perception experience of the microcell users
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[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0027] The embodiment of the present invention provides a method for resource allocation, which is applicable to the scenario of co-frequency networking of macro-cell base stations and micro-cell base stations, and can be detected according to the busy-idle detection status of each effective frequency band of the macro-cell network, as well as false alarm probability and detection Probability, manages and controls how macrocell users and microcell users use PRB (phy...
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The invention discloses a resource allocation method, relates to the technical field of communication, and is used for solving the same-frequency interference problem between macrocell users and microcell users. The method provided by the present invention includes: obtaining the authorized frequency band in the macrocellular network; calculating the detection probability PD and the false alarm probability PFA of the authorized frequency band; performing the first busy-idle detection on the authorized frequency band to obtain the first busy-idle Detection result; when the first busy-idle detection result is idle, and 1-PFA is in the first interval, or, when the first busy-idle detection result is busy, and PD is in the second interval, for Performing a second busy-idle detection on the licensed frequency band to obtain a second busy-idle detection result; allocating resources to microcell users according to the second busy-idle detection result. The present invention is applicable to the process of PRB allocation.
Description
technical field [0001] The present invention relates to the field of communication technologies, in particular to a resource allocation method and device. Background technique [0002] In most existing LTE (Long Term Evolution, Long Term Evolution, Long Term Evolution) three-dimensional heterogeneous network networking schemes, macro cell users and micro cell users share all spectrum resources, usually in the same frequency networking manner. In this networking mode, macrocell users who are far away from the macrocell base station and close to the microcell base station are vulnerable to strong downlink interference from the microcell base station. Therefore, such macrocell users have poor perception At the same time, since the transmission power of the microcell base station is generally much smaller than that of the macrocell base station, the macrocell base station is likely to cause strong downlink interference to the microcell users and affect the perception experience ...
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IPC IPC(8): H04W16/14H04W72/08H04W72/54
CPCH04W16/14H04W72/542
Inventor 陈丹张涛孟令彬
Owner CHINA UNITED NETWORK COMM GRP CO LTD