Connection release method and device and storage medium
A technology for releasing connection and connection release, which is applied in the field of communication, and can solve problems affecting the effectiveness of data transmission, failure of random access in connection state, failure to find terminals, etc.
Inactive Publication Date: 2018-04-20
BEIJING XIAOMI PINECONE ELECTRONICS CO LTD
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Problems solved by technology
[0004] In the process of releasing the connection through the existing technology, the inventor found that: within the 10 seconds that the terminal waits, the base station may have correctly received the response of the connection release message and released the instance of the terminal. When the user data needs to be sent, the terminal judges that it is still in the connected state and initiates the random access process in the connected state. However, the base station cannot find the terminal because the instance of the terminal has been released, so the random access in the connected state will fail. If If the terminal does not cache the uplink user data, it will further cause the loss of user data and affect the effectiveness of data transmission
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[0036] Specific embodiments of the present disclosure will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present disclosure, and are not intended to limit the present disclosure.
[0037] The present disclosure can be applied to the NB-IoT network, and the network can include NB-IoT terminals and NB-IoT base stations. Among them, narrowband (NB) means that for NB-IoT terminals, it only needs to transmit and receive within the narrowband of 180kHz; correspondingly, for NB-IoT base stations, it only needs to communicate with the same NB-IoT terminals communicate.
[0038] Among them, NB-IoT deployment methods can include the following three types:
[0039] 1. Independent frequency band deployment, which uses independent frequency bands, such as using one or more carriers of the GSM network;
[0040] 2. Guard band deployment, which util...
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The disclosure relates to a connection release method and device and a storage medium. The method includes the following steps: receiving a connection release message sent by a base station; sending aconnection release response message to the base station according to the connection release message; determining whether a reception confirmation message sent by the base station according to the connection release response message is received within a preset time, wherein the reception confirmation message indicates that the base station receives the connection release response message; and whenthe reception confirmation message is received, releasing a local instance according to the reception confirmation message.
Description
technical field [0001] The present disclosure relates to the communication field, and in particular, to a method, device and storage medium for releasing a connection. Background technique [0002] NB-IoT (Narrow Band Internet of Things, cellular-based narrowband Internet of Things) is an emerging technology in the field of IoT (Internet of Things, Internet of Things), which supports efficient connection of devices with long standby time and high network connection requirements. [0003] In the NB-IoT network, NB-IoT has deleted the PHICH (Physical Hybrid ARQ Indicator Channel) channel in the LTE (LongTerm Evolution, long-term evolution) network in order to reduce protocol overhead and cost. Therefore, in the RRC (Radio Resource Control, radio resource control) connection release process, after the base station sends a connection release message (RRCConnectionRelease) to the terminal, the terminal can only wait for a preset time (such as 10 seconds) before releasing the term...
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IPC IPC(8): H04W76/32H04L5/00
CPCH04L5/0053
Inventor 张苑
Owner BEIJING XIAOMI PINECONE ELECTRONICS CO LTD