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Cell interrupt detecting method based on neighbor cell reference signal receiving power list

A neighbor cell, received power technology, applied in wireless communication, electrical components and other directions, can solve the problems of high signaling overhead, large signaling overhead, large computational complexity, etc., to reduce signaling overhead, balance detection accuracy and detection delay effect

Active Publication Date: 2014-01-15
TSINGHUA UNIV
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Problems solved by technology

[0005] At present, most of the existing cell interruption detection methods are centralized detection technologies, which require a large signaling overhead and will bring a large burden to the system; in the heterogeneous network to be deployed in the future, a macro base station (Macro Cell ) may have dozens or even hundreds of small base stations (Small Cells), and each Small Cell may be interrupted. Timely positioning and repairing the interrupted Small Cells will help improve user experience. Applying the traditional cell outage detection method in such a large number of densely deployed Small Cells will generate huge computational complexity and high signaling overhead

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  • Cell interrupt detecting method based on neighbor cell reference signal receiving power list
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  • Cell interrupt detecting method based on neighbor cell reference signal receiving power list

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[0022] The cell outage detection method based on the neighbor cell reference signal received power list proposed by the present invention, its flow chart is as follows figure 1 As shown, the schematic diagram of the wireless network structure involved is shown in figure 2 as shown, figure 2 Among them, 1 is the cell base station, 2 is the cell user, 3 is the measurement relationship between the cell user and the neighboring cell base station, 4 is the operation and maintenance center, and 5 is the link between each cell base station and the operation and maintenance center.

[0023] The inventive method comprises the following steps:

[0024] (1) The user in the communication cell in the mobile communication network measures the reference signal received power of the six neighbor cells adjacent to the user's cell, and selects the strongest one or the strongest one from the measured reference signal received power The received power of the 3 reference signals is uploaded to...

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Abstract

The invention relates to a cell interrupt detecting method based on a neighbor cell reference signal receiving power list and belongs to the technical field of wireless communication. The method comprises the steps that an RSRP list, which can be used for balancing detecting performance and detecting delaying time, of a neighbor cell is established, and distributed type triggering and concentrated judging are used. According to the designed neighbor cell RSRP list, a concentrated large-amount-information collecting process is avoided, signaling overhead in a detecting process can be greatly reduced, and meanwhile detecting performance and detecting delaying time can be well balanced under the situation that user density is very low and channel transmission conditions are very bad. Meanwhile, the cell interrupt detecting method can be used as reference of intensively-deployed Small Cell interrupt detecting in a heterogeneous network.

Description

technical field [0001] The invention relates to a cell interruption detection method based on a neighbor cell reference signal receiving power list, and belongs to the technical field of wireless communication. Background technique [0002] The next-generation broadband cellular mobile communication system (IMT-Advanced) is very different from the traditional cellular network in wireless transmission technology, network architecture, business environment and service mode. Advanced technologies such as MIMO), wireless relay, inter-cell interference coordination, and carrier aggregation provide a transmission rate of up to 1Gbps for multimedia packet services, and can guarantee the performance of cell edge users; (2) Adopt a flat network structure, changing the traditional The centralized control mode of the enhanced base station adopts the negotiation method to carry out the corresponding wireless resource allocation and handover, which reduces the transmission delay and inte...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/04H04W24/10
Inventor 粟欣曾捷肖驰洋李泽娇方娜燕张琛
Owner TSINGHUA UNIV
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