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Resource transmission method and device

A transmission method and technology of a transmission device, applied in the field of communication, can solve problems such as large delay

Active Publication Date: 2019-10-18
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For NB-IoT terminals in the connected state and uplink synchronization state, when the uplink data arrives but there are no uplink resources, the NB-IoT terminal needs to initiate a random access process to request uplink resources, resulting in a relatively long delay

Method used

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  • Resource transmission method and device
  • Resource transmission method and device
  • Resource transmission method and device

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Embodiment Construction

[0057] The technical solution in this application will be described below with reference to the accompanying drawings.

[0058] Before introducing the embodiment of this application, first introduce the SR in this application:

[0059] SR (Scheduling Request) is used for connected terminals. When the terminal has uplink data to send but has no uplink resources, the terminal sends SR to the network device to request uplink resources to send uplink data. SR can be divided into two types: Dedicated SR and Piggybacked SR:

[0060] 1. Dedicated SR

[0061] The network device allocates dedicated SR resources to the terminal. When the terminal has uplink data to send but has no uplink resources, the terminal can send SR on the allocated dedicated resource. Therefore, the SR sent on the dedicated resource is called dedicatedSR. After receiving the dedicated SR, the network device sends an uplink authorization UL grant to the terminal to allocate resources, and the terminal transmits...

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PUM

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Abstract

The invention discloses a resource transmission method and a device. The method comprises the following steps: sending a third message Msg3 to network equipment by a terminal, wherein the Msg3 carriesinformation for requesting to transmit scheduling request (SR) resources; receiving resources and indication information which are sent from the network equipment and used for transmitting the dedicated dedicated SR by the terminal, wherein the indication information is used for indicating whether the terminal equipment is allowed to send the piggybacked SR; sending the dedicated SR to the network equipment on a resource used by the terminal for transmitting the dedicated SR; and determining that the piggybacked SR is carried in the ACK / NACK according to the indication information by the terminal. The network equipment sends the indication information about whether the piggybacked SR is allowed to be sent to the terminal; if the network equipment indicates that the terminal is allowed tosend the piggybacked SR, the network equipment performs blind detection on the SR in ACK / NACK, and if the network equipment indicates that the terminal is not allowed to send the piggybacked SR, the network equipment does not perform blind detection on the SR in ACK / NACK, so that the blind detection of the network equipment is reduced.

Description

technical field [0001] The present application relates to the field of communications, and more specifically, to a resource transmission method and device. Background technique [0002] The Internet of Things (IoT, Internet of things) is a network oriented to machine-type communications (MTC, Machine-Type Communications). applications such as wearable devices. Due to its various application scenarios, including from outdoor to indoor, from above ground to underground, many special requirements are put forward for the design of the Internet of Things. [0003] Coverage enhancement: Many MTC terminals are in poor coverage environments, such as electricity meters and water meters, and are usually installed indoors or even basements where wireless network signals are poor. Therefore, coverage enhancement technology is needed to solve communication quality problems under poor coverage. [0004] Support a large number of low-speed devices: The number of MTC devices is far greate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00H04L1/16H04L5/00
CPCH04L1/0038H04L1/1607H04L5/0055H04L1/00H04L1/16H04L5/00
Inventor 李军铁晓磊花梦罗之虎于映辉
Owner HUAWEI TECH CO LTD