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Physics channel resource scheduling method and device

A physical channel resource and resource scheduling technology, applied in the field of physical channel resource scheduling, can solve the problem of low utilization rate of PDCCH resources, and achieve the effects of improving utilization rate, improving scheduling efficiency, and improving efficiency

Active Publication Date: 2018-10-02
COMBA TELECOM SYST CHINA LTD
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AI Technical Summary

Problems solved by technology

[0008] The embodiment of the present application provides a method and device for scheduling physical downlink control channel resources, which are used to solve the problem of low utilization rate of PDCCH resources existing in the prior art

Method used

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  • Physics channel resource scheduling method and device
  • Physics channel resource scheduling method and device
  • Physics channel resource scheduling method and device

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Embodiment Construction

[0043] Such as figure 1 As shown, the embodiment of the present application provides a method for scheduling physical channel resources, which is applied to the narrowband Internet of Things, and includes the following steps:

[0044] Step 101: the base station acquires coverage levels of M user equipments, where M is a positive integer;

[0045] Step 102: The base station determines the initial resource scheduling offset time and scheduling range of each user equipment according to the coverage levels of the M user equipments;

[0046] Step 103: The base station determines a scheduling interval corresponding to each user equipment according to the initial resource scheduling offset time and scheduling range of each user equipment;

[0047] Step 104: the base station schedules the narrowband physical downlink control channel NPDCCH for the user equipment in the scheduling interval corresponding to each user equipment.

[0048] Through the above method, it is possible to allo...

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Abstract

The application discloses a physics channel resource scheduling method and device, and relates to applications in narrowband internet of things; the method comprises the following steps: a base station obtains coverage grades of M user devices, wherein M is a positive integer; the base station determines an initial resource scheduling bias time and scheduling scope of each user device according tothe coverage grades of the M user devices; the base station determines a scheduling section corresponding to each user device according to the initial resource scheduling bias time and scheduling scope of each user device; the base station schedules a narrowband physics downlink control channel NPDCCH for the user device according to the scheduling section corresponding to each user device.

Description

technical field [0001] The present application relates to the field of wireless communication, and in particular to a method and device for scheduling physical channel resources. Background technique [0002] Generally, IoT devices can be divided into three categories: ① No need for mobility, large data volume (uplink), and a wide frequency band, such as city surveillance cameras. ② Strong mobility, frequent switching, small data volume, such as fleet tracking management. ③No mobility, small data volume, not sensitive to delay, such as smart meter reading. NB-IoT was born to deal with the third type of IoT devices. NB-IoT originated from the following major requirements of the Internet of Things at this stage: coverage enhancement (20dB enhancement); support for large-scale connections, 100K terminals / 200KHz cells; ultra-low power consumption, 10-year battery life; ultra-low cost, minimized Signaling overhead, especially air interface signaling overhead; ensuring the secu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04H04W72/12
CPCH04W72/0446H04W72/1273H04W72/23
Inventor 丁宝国刘建青
Owner COMBA TELECOM SYST CHINA LTD
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