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A data transmission method, related equipment and system

A data transmission method and data technology, applied in the field of communication, can solve problems such as inability to scramble and descramble data, long delay, waste of network overhead, etc.

Active Publication Date: 2020-10-23
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Scheduling transmission has the following two disadvantages: 1. The delay is relatively large, which specifically refers to the delay from the terminal confirming that there is uplink data to be sent to the terminal sending the uplink data through the air interface; 2. When there is uplink data within a certain period of time When the number of terminals required for data transmission is very large, the resource consumption of the uplink and downlink control channels used to send scheduling requests and scheduling signaling will be very large, and a lot of network overhead (such as power, air interface resources, etc.) will be wasted
Therefore, the uplink data transmitted between the base station and the certain terminal cannot be scrambled and descrambled according to the C-RNTI related to the certain terminal

Method used

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  • A data transmission method, related equipment and system
  • A data transmission method, related equipment and system
  • A data transmission method, related equipment and system

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Embodiment Construction

[0041] Embodiments of the present invention will be described below with reference to the drawings in the embodiments of the present invention.

[0042] See figure 1 , figure 1 It is a schematic structural diagram of a communication system provided by an embodiment of the present invention. The communication system includes a terminal 101 and a network device 102. The communication system may also include other devices; optionally, the devices in the communication system 10 may use wireless communication For example, the wireless communication technology can be the second-generation mobile communication technology (the 2nd-generation, 2G), the third-generation mobile communication technology (the 3rd-generation, 3G), LTE, the fourth-generation mobile communication technology (the 4th generation mobile communication, 4G), the fifth-generation mobile communication technology (the 5th-generation, 5G), or wireless-fidelity (wireless-fidelity, WI-FI) technology, or other existing ...

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Abstract

The embodiment of the present invention discloses a data transmission method, related equipment and system. The method includes: the terminal sends uplink data to the network equipment, and the uplink data is scrambled by a scrambling sequence. Generated by information on radio resources used by uplink data. By adopting the embodiment of the present invention, it can be ensured that the scrambling and descrambling of the uplink data are successfully realized under the condition that the network equipment does not obtain the identity of the terminal in the cell.

Description

technical field [0001] The present invention relates to the technical field of communications, and in particular to a data transmission method, related equipment and a system. Background technique [0002] In a wireless cellular network (for example, long term evolution (long term evolution, LTE)), before sending uplink data, the terminal needs to establish a radio resource control (radio resource control, RRC) connection with the base station, and then in the radio resource control connection state Send a scheduling request (scheduling request, SR) to the base station, if the base station allows the terminal to send uplink data, it will send a scheduling instruction to the terminal, and finally the terminal sends uplink data to the base station on the time-frequency resource indicated by the scheduling instruction, so The transmission process of can be called scheduled transmission. Scheduling transmission has the following two disadvantages: 1. The delay is relatively lar...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04J13/10
CPCH04J13/10H04L1/0071H04L1/0042H04L25/03866H04L1/0047H04L5/0053H04J13/0051H04W72/0453H04W76/10H04B1/69H04W72/044H04W72/12
Inventor 王超吴艺群陈雁
Owner HUAWEI TECH CO LTD
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