System and method for dynamic management of data cache areas bearing multiple uplink data in LTE system
A cache area and data cache technology, applied in the field of network communication, can solve problems such as low efficiency of IP data cache space usage, data flow packet loss, unreasonable allocation of IP data cache space, etc., to achieve optimal cache space configuration and cache utilization , improve the packet loss rate, and avoid the effect of serious data packet loss
Active Publication Date: 2019-03-15
苏州简约纳电子有限公司
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[0004] The purpose of the present invention is to provide a dynamic management method for the data buffer area of multiple uplink data bearers in the LTE system, so as to solve the problem of unreasonable allocation of IP data buffer space and low use efficiency of IP data buffer space in the prior art. Issues that cause severe packet loss in data traffic
[0005] Another object of the present invention is to provide a dynamic management system for data buffer areas of multiple uplink data bearers in an LTE system, so as to solve the problem of unreasonable allocation of IP data buffer space and low use efficiency of IP data buffer space in the prior art. The problem of severe packet loss caused by data traffic
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[0028] The present invention will be described in detail below in conjunction with specific embodiments shown in the accompanying drawings.
[0029] refer to figure 2 As shown, in the embodiment of the present invention, the dynamic management method of the data buffer area of multiple uplink data bearers in the LTE system includes the following steps:
[0030] S1, pre-configuring an IP data cache space and dividing the IP data cache space into several consecutive storage units;
[0031] First of all, it should be explained that, according to the provisions of the LTE protocol, a data radio bearer (DRB) is mapped to a bearer ID (Bearer ID) of an evolved packet system (Evolved Packet System, EPS), and the bearer ID assigned to the evolved packet system The IP data cache space is actually the IP data cache area where the data is wirelessly carried. That is to say, when a data radio bearer is established, a suitable IP data buffer space is allocated to the bearer ID of the c...
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The invention relates to a dynamic management system and a dynamic management method for data caching areas of uplinking multiple data bearers in an LTE system. The dynamic management method comprises steps of dividing an IP data caching space into a plurality of continuous storage units through a preset configuration, and distributing IP data caching areas with corresponding sizes to the data wireless bearers in the configured IP data caching space according to the QCI level of the data wireless bears. The dynamic management system and method dynamically divide the IP data caching areas needed by the data wireless bearers according to the default length of the data wireless bearers created based on practical need, correspondingly release IP data caching areas occupied by the data wireless bearers when the wireless bearers of the data are deleted, dynamically adjust the IP data caching areas occupied by the data wireless bearers are currently in use according to the practical operation condition of the system, greatly reduce the data packet dropout phenomenon in the LTE system, and optimize the caching space configuration and caching utilization rate.
Description
technical field [0001] The present invention relates to the technology in the field of network communication, in particular to a system and method for dynamically managing data buffer areas of multiple uplink data bearers in an LTE system. Background technique [0002] LTE (Long Term Evolution, Long Term Evolution) is a long-term evolution of the Universal Mobile Telecommunications System (UMTS) technical standard formulated by The 3rd Generation Partnership Project (3GPP). In the LTE system, according to the provisions of the LTE protocol, several data radio bearer (Data Radio Bearer, DRB) IP data buffer areas are generally required, and the IP data buffer areas are used to buffer uplink IP data packets in the LTE system. The system filters the IP data packets according to the filtering rules set by the protocol, and then puts them into the IP data cache area of the corresponding data wireless bearer. [0003] For these IP data cache areas, the prior art generally adopts...
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IPC IPC(8): H04W28/14
Inventor 冯海强梁敏潘玉峰张建立徐浩杨鹏
Owner 苏州简约纳电子有限公司