System and method for realizing multi-system wireless terminal binding
A wireless terminal and multi-standard technology, applied in wireless communication, access restriction, connection management, etc., can solve problems such as the inability to quickly promote the progress of LTE industrialization, inconsistent transmission path delay, and repeated confirmation at the TCP layer
Inactive Publication Date: 2012-08-01
ZTE CORP
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[0007] (2) The transmission path delays of different standards are inconsistent, which will cause the Transmission Control Protocol (TCP, Transmission Control Protocol) layer / IP layer data packets to not arrive in order, which will cause repeated confirmation at the TCP layer, thus causing the network to enter the congestion avoidance state , which will affect the data transmission efficiency;
[0009] (4) Since the frameworks of the existing protocol systems of different standards have been determined, to realize the binding of multiple standard terminals, the existing non-access stratum (NAS, Non-Access Stratum) and access stratum (AS, Access Stratum) control protocol changes, and requires a long-term standardization process, as well as changes in the underlying protocol layer of the terminal, so it is impossible to quickly promote the progress of LTE industrialization
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[0077] The technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings and preferred embodiments. The following examples are only used to illustrate and explain the present invention, but not to limit the technical solution of the present invention.
[0078] The architecture of the embodiment of the system for realizing multi-standard wireless terminal binding of the present invention is as follows figure 1 As shown, the system includes core network gateways of multiple standards, wireless network nodes and terminals of multiple standards, wherein:
[0079] The core network gateway is used to receive the uplink data of the terminal from the wireless network node of this standard, and send the downlink data of the terminal to the wireless network node;
[0080] If the wireless network node is used as the anchor point of the cross-standard binding of the terminal, it is used to know whether the terminal supports m...
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The invention discloses a system and a method for realizing multi-system wireless terminal binding. The method comprises the following steps: after a terminal establishes user surface data bearing with wireless network nodes in the current system, initialization negotiation is performed between the terminal and the wireless network nodes; if the wireless network nodes serve as anchors of cross-mode bearing binding, then corresponding multi-mode binding supported by the terminal is acquired by the initialization consultation; and after the cross-mode bearing binding of the terminal is triggered and established, interaction is performed between wireless network nodes in other modes bound by the terminal and the terminal to establish association relationship of the terminal multi-mode context. According to the invention, several problems of downlink data distribution, routing and mobility management in multi-system channel are solved, and system performance degradation caused by possible packet loss of single flow in cross-mode distribution and mobility processes is avoided by controlling the anchors.
Description
technical field [0001] The invention relates to the fusion technology of multi-standard mobile communication systems, in particular to a system and method for realizing multi-standard wireless terminal binding under the condition that multi-standard mobile communication systems coexist. Background technique [0002] With the continuous evolution of wireless communication technologies and standards, mobile packet services have been greatly developed, and the data throughput capability of a single terminal is constantly improving. Taking the Long Term Evolution (LTE, Long Term Evolution) system as an example, it can support data transmission at a maximum downlink rate of 100 Mbps within a 20M bandwidth. In the subsequent enhanced LTE (LTE Advanced) system, the data transmission rate will be further increased. [0003] However, the data throughput rate of a single terminal depends not only on the wireless technology used, but also on the bandwidth occupied by the channel, the c...
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IPC IPC(8): H04W48/18H04W76/04H04W88/06
Inventor 施嵘
Owner ZTE CORP