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Content-encoding pre-synchronization method, content-encoding pre-synchronization device and content-encoding pre-synchronization system

A pre-synchronization and coding technology, applied in the field of communication, can solve the problems of network congestion, the base station cannot decompress correctly, and the synchronization delay is long, so as to reduce the transmission delay, avoid the loss of synchronization data, and improve the compression ratio.

Active Publication Date: 2013-08-21
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
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  • Claims
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Problems solved by technology

In the wireless network, the RNC or S-GW and the base station have a one-to-many relationship. Many base stations obtain the same data from the RNC or S-GW. If network congestion occurs during the synchronization process, the link is busy, etc., it will Causes a long delay in synchronization, or loss of synchronization data, causing the base station to be unable to decompress correctly

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  • Content-encoding pre-synchronization method, content-encoding pre-synchronization device and content-encoding pre-synchronization system
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  • Content-encoding pre-synchronization method, content-encoding pre-synchronization device and content-encoding pre-synchronization system

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Embodiment Construction

[0052] An embodiment of the present invention provides a content encoding pre-synchronization method, which can pre-synchronize the index value and the data corresponding to the index value between the network device and multiple base stations, reduce the synchronization delay when the link is busy, and improve the when the compression ratio. Embodiments of the present invention also provide corresponding equipment and systems. Each will be described in detail below.

[0053] In the embodiment of the present invention, the network device refers to a radio network controller (RNC, Radio Network Controller), a serving gateway (S-GW, Servering Gateway) and a packet data network gateway (P-GW, Packet Data Network Gateway).

[0054] refer to figure 1 , figure 1 Taking the network device as an RNC as an example for illustration, there are three types of base stations under the control of the RNC, namely a first type base station, a second type base station and a third type base s...

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Abstract

The invention discloses a content-encoding pre-synchronization method. The content-encoding pre-synchronization method includes the following steps: a network device selects a hot index value with high occurrence frequency from all the index values stored in the network device; the network device confirms other base stations which are the same type as a base station receiving the hot index value and transmits the hot index value and data corresponding to the hot index value to the base station when a link is idle. The content-encoding pre-synchronization method can be adopted to prejudge the hot index value and the base station which the hot index value is likely to be transmitted to and transmits the hot index value to the corresponding base station in advance when the link is idle. Consequently, the conditions of transmission delay at busy time are reduced, the compression ratio at busy time is improved, and loss of synchronous data due to the busy link can be avoided.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a content encoding pre-synchronization method, device and system. Background technique [0002] With the increasing pressure of operating costs and the bandwidth pressure brought about by the development of data services, optimizing data transmission on the backhaul line (Backhaul) has become a hot issue that operators pay attention to. In the prior art, there are two ways to optimize data transmission on the Backhaul, one is to physically expand the Backhaul to increase transmission resources, and the other is to compress the data transmitted on the Backhaul. Physical expansion can increase the carrying capacity of Backhaul, but increases the cost. In contrast, data compression is an effective means to optimize data transmission on Backhaul. Content coding is a typical fine-grained data compression method. Applying it to wireless networks can greatly relieve the ...

Claims

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Application Information

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IPC IPC(8): H04W28/06H04W56/00G06F17/30
CPCH04W24/02H04W92/045H04W28/06H04L67/5651H04L69/04
Inventor 张伟王恩博彭程晖
Owner HUAWEI TECH CO LTD
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