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Data scheduling method, device and system

A data scheduling, positive integer technology, applied in the field of communication, can solve problems such as inapplicability

Active Publication Date: 2022-07-29
HUAWEI TECH CO LTD
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Problems solved by technology

[0009] However, Rel-16 of the NB-IoT system introduces scheduling enhancements, which allow the use of one DCI to schedule multiple TBs, so the scheduling information of multiple TBs needs to be carried in the DCI. The DCI format before Rel-16 of the above-mentioned NB-IoT system does not Not applicable

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  • Data scheduling method, device and system
  • Data scheduling method, device and system
  • Data scheduling method, device and system

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Embodiment Construction

[0064] In order to facilitate understanding of the technical solutions of the embodiments of the present application, a brief introduction of related technologies or terms of the present application is first given as follows.

[0065] First, IoT:

[0066] IoT is the "Internet of Things Connected". It extends the user end of the Internet to any item and item, so that information exchange and communication can be carried out between any item and item. Such a communication method is also called inter-machine communication (machine type communications, MTC). The communicating nodes are called MTC terminals or MTC devices. Typical IoT applications include various aspects such as smart grid, smart agriculture, smart transportation, smart home, and environmental detection.

[0067]Because the Internet of Things needs to be applied in various scenarios, such as from outdoor to indoor, from above ground to underground, many special requirements are put forward for the design of the ...

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Abstract

The embodiments of the present application provide a data scheduling method, apparatus, and system, and can provide a DCI design that supports multi-TB scheduling. In this solution, the terminal equipment and the network equipment respectively determine the number M of HARQ processes supported by the terminal equipment; the network equipment sends downlink control information DCI to the terminal equipment, and the terminal equipment receives the DCI from the network equipment, and the DCI includes the first A field, the first field indicates the number N of transport blocks TB scheduled by the DCI, and N is a positive integer greater than 1; if M=1, the terminal device receives or sends the DCI-scheduled N on the HARQ process supported by the terminal device. Initially transmitted TB and / or retransmitted TB among the TBs; or, if M is greater than 1 and N is less than or equal to M, the terminal device receives or transmits on N HARQ processes among the M HARQ processes supported and used by the terminal device N TBs scheduled by DCI, wherein each HARQ process in the N HARQ processes corresponds to one TB in the N TBs.

Description

technical field [0001] The present application relates to the field of communications, and in particular, to a data scheduling method, apparatus, and system. Background technique [0002] Before release (Rel) 16 of the narrow band internet of things (NB-IoT) system, one downlink control information (DCI) was allowed to schedule one transport block (TB). The DCI format used for uplink scheduling is DCI format (format) N0. For a single hybrid automatic repeat request (HARQ) process (hereinafter referred to as singleHARQ), the content and number of bits of DCI format N0 are shown in Table 1. shown. Among them, the 1-bit format N0 / format N1 distinguishing identification field (also called a field) is used to indicate whether the specific format of the DCI is format N0 or format N1; the 6-bit subcarrier indication field is used to indicate the frequency domain resource location; 3 bits The resource allocation field is used to indicate the allocation of scheduling resources; the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/00
CPCH04L5/0044H04L5/0094H04L5/0007H04L1/1822H04L1/1896H04L1/1864H04L1/1854H04L1/1887H04L1/1671H04W72/51H04W72/21H04W72/23
Inventor 罗之虎李军程型清金哲
Owner HUAWEI TECH CO LTD
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