A traffic management method and system based on heterogeneous converged network
A technology of converged network and traffic management, applied in the field of traffic management based on heterogeneous converged networks, it can solve problems such as interference, inability to guarantee communication connectivity, and WiFi system not supporting seamless switching.
Active Publication Date: 2020-09-11
BEIJING UNIV OF POSTS & TELECOMM
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Problems solved by technology
With the dense deployment of WiFi, the occurrence of a large number of conflicts will also affect user performance
The WiFi system does not support seamless handover and cannot guarantee communication connectivity during the handover process; on the other hand, the 3GPP cellular system has the characteristics of wide coverage and high spectrum efficiency
However, with the large increase of Small Cells, its shortcomings of scarce spectrum resources and serious interference are quickly realized
Method used
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[0030] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0031] The embodiment of the present invention is implemented on a heterogeneous fusion network, the heterogeneous fusion network is a fusion network of LTE and WLAN, and the LWA (LTE-WLAN Aggregation) technology is used as the basic application technology of the embodiment of the present invention. The WiFi network described above is equivalent to the WLAN network.
[0032] The network architecture of the embodiment of the present invention is as follows figure 1 shown. In order to realize the seamless QoS reservation problem of the LWA system, the embodiment of the present invention manages the LWA in a unified manner through a QoS configuration framework and an intell...
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The invention provides a traffic management method and system based on a heterogeneous fusion network. The method includes A1, when a user terminal accesses a WiFi AP, obtains current network status information and generates a measurement report; A2, based on the measurement report and information of each WiFi AP, calculates the remaining amount of subcarrier resources of each WiFi, and obtains All WiFi APs available to the user terminal; A3, based on all the available WiFi APs and QoS requirements, distribute the data packets to be transmitted sent by the core network to the LTE network and the WiFi network for transmission; A4, to the user The terminal sends an RCC connection establishment signal to establish a connection, and sends the data packet to be transmitted to the user terminal through the LTE network and the WiFi network. The invention fully utilizes the authorized frequency band and the unlicensed frequency band to meet the user's QoS requirement, and realizes unified management of the authorized frequency band and the unlicensed frequency band.
Description
technical field [0001] The present invention relates to the technical field of communications, and more specifically, to a traffic management method based on a heterogeneous converged network. Background technique [0002] At present, the exponential growth of data traffic and diverse user demands have brought challenges to LTE networks, especially in hotspot areas. In order to improve system capacity, Small Cell (low-power nodes) and WiFi systems are generally deployed in hotspot areas, gradually forming a new heterogeneous network with different characteristics, working in two different frequency bands, authorized and unlicensed . [0003] On the one hand, the WiFi system has the advantages of low deployment cost and high peak rate, but its coverage is limited and it is only suitable for low-speed mobile users. With the dense deployment of WiFi, the occurrence of a large number of conflicts will also affect user performance. The WiFi system does not support seamless han...
Claims
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IPC IPC(8): H04W24/08H04W24/10H04W72/04H04W72/08H04W72/54
CPCH04W24/08H04W24/10H04W72/0446H04W72/542
Inventor 崔琪楣谷宇江慧
Owner BEIJING UNIV OF POSTS & TELECOMM