Protective transmission method of P2P switching commands in small cell network

A technology for switching commands and transmission methods, which is applied in the direction of using the return channel for error prevention/detection, electrical components, wireless communication, etc., and can solve problems such as inability to handle mobile user terminals, so as to improve transmission spectrum efficiency and channel resource utilization. Ensure reliable transmission and avoid handover failure

Inactive Publication Date: 2014-02-12
SHENZHEN TINNO WIRELESS TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although it facilitates a low-cost and simple deployment solution compared to WiFi systems, this solution cannot handle mobile user terminals (UEs)

Method used

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  • Protective transmission method of P2P switching commands in small cell network
  • Protective transmission method of P2P switching commands in small cell network

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Embodiment Construction

[0017] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0018] A protective transmission scheme of a P2P handover command in the small cell network of the present invention comprises the following steps:

[0019] (1) Multi-cell transmission of handover command

[0020] The present invention assumes that the source cell Picocell1 and the target handover cell Picocell2 belong to the same common macrocell serving cell Macrocell1.

[0021] First, the environment where the mobile UE is located is a small cell network (SmallCell). When the UE moves through a small cell network, it continuously receives the signal strength and measures the handover decision factor. When the mobile UE detects the source cell Picocell1 provides When the user service performance of the new cell Picocell2 is not as good as the user service performance provided by the new cell Picocell2, the new cell Picocell2 is listed as...

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Abstract

The invention discloses a protective transmission method of P2P (Picocell to Picocell) switching commands in a small cell network, and belongs to the technical field of P2P switching in a 3GPPLTE-A system under the environment of small cell network. The method comprises the following steps: firstly, a source cell Picocell and a target switching cell Picocell send switching commands to UE and a service cell Macrocell for switching backups of related information; the service cell Macrocell conducting processing after receiving the switching commands; then the UE determines the information of the target switching cell and related information of the source cell according to the received switching commands to finish the switching preparation and realization; if the UE cannot correctly receive correct related information of the switching commands, information is fed back to the service cell Macrocell for requiring retransmission until the maximal retransmission times is achieved. The method of the invention can well guarantee the reliable transmission of the switching commands, and can well improve the transmission spectrum effectiveness and the channel resource utilization rate of the switching commands, so that the failed switching caused by wrong transmission of the switching commands under the complex small cell network environment is avoided.

Description

technical field [0001] The invention belongs to the technical field of mobile communication, in particular to the technical field of P2P handover under the small cell network environment in the 3GPP LTE-A system, and particularly relates to a protective transmission method of the P2P handover command in the small cell network. Background technique [0002] Heterogeneous Networks (HetNets) is a multi-layer cellular network formed by introducing low-power nodes with lower transmission power than traditional macrocell (Macrocell) base stations. The low-power nodes supported in LTE-A include remote radio head (RRH), pico base station (Pico), femto base station (Femto), relay station (Relay) and home base station (Home eNB). The small size of these nodes facilitates flexible network deployment. At the same time, the small coverage area can make use of potential high-band spectrum more conveniently. It is an effective way to solve the coverage and capacity problems of indoor and h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/00H04W36/14H04L1/18
Inventor 陈前斌冷家丽王东军唐伦
Owner SHENZHEN TINNO WIRELESS TECH
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