A data transmission method, mobility management entity and mobile terminal
A data transmission method and technology for managing entities, applied in the field of mobility management entities and mobile terminals, and data transmission methods, can solve problems such as waste of signaling resources, and achieve the effect of avoiding waste and improving small data transmission mechanisms
Active Publication Date: 2016-12-07
HUAWEI TECH CO LTD
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Problems solved by technology
Data transmission needs to establish a user plane bearer (including the core network side and the air interface side) through signaling, but for small data (usually less than 1K bytes), it can be transmitted infrequently, such as only once or twice. In some cases, the user plane is established for it through signaling, data is transmitted, and the air interface bearer needs to be deleted after completion, which wastes signaling resources
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[0039] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0040] It is proposed in the embodiment of the present invention that the negotiation of small data transmission is carried out through the mobility management entity, which improves the existing small data transmission scheme. In some specific embodiments, it is also proposed to set up a dedicated core network bearer for small data transmission to improve data transmission efficiency; in some specific embodiments, it is also provided that an IP packet list of small...
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The embodiment of the present invention discloses a data transmission method, a mobility management entity, and a mobile terminal. The method includes: the mobility management entity receives a small data transmission parameter sent by a home subscriber server HSS or a user terminal, and the small data transmission parameter includes An indication of whether the user terminal supports small data transmission; the mobility management entity determines a small data transmission policy according to the small data transmission parameters; the mobility management entity sends the determined small data transmission policy to the user terminal ; The mobility management entity performs small data transmission with the user terminal according to the small data transmission policy. In the present invention, a relatively complete small data transmission scheme is proposed to realize effective transmission of small data.
Description
technical field [0001] The invention relates to the field of wireless communication, in particular to a data transmission method, a mobility management entity and a mobile terminal. Background technique [0002] In the system architecture evolution (System Architecture Evolution, SAE) communication system architecture, the terminal accesses the Mobility Management Entity (MME) and the Serving Gateway (Serving Gateway) of the core network through the evolved base station (Evolved NodeB, eNodeB or eNB). , S-GW), and connect to a packet data network gateway (Packet Date Network Gateway, P-GW) through the S-GW. [0003] Small data transmission is a special data transmission in the wireless communication network system. Data transmission needs to establish a user plane bearer (including the core network side and the air interface side) through signaling, but for small data (usually less than 1K bytes), it can be transmitted infrequently, such as only once or twice. In some case...
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IPC IPC(8): H04L12/28H04W8/04
CPCH04W8/08H04W8/24H04L61/5007H04W72/53H04W8/02H04L69/324
Inventor 于琦郭小龙张万强
Owner HUAWEI TECH CO LTD