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Base Station and Its Search Space Allocation Method

An allocation method and search space technology, applied to the allocation between users/terminals, allocation standards, transmission path sub-channel allocation, etc., can solve the problems of overall user equipment transmission rate reduction and restrictions on base stations

Active Publication Date: 2021-07-06
SERCOMM ELECTRONICS SUZHOU CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, as the number of users increases, it will limit the number of users that the base station can serve per unit time, and it is more likely to reduce the transmission rate of the overall user equipment

Method used

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  • Base Station and Its Search Space Allocation Method
  • Base Station and Its Search Space Allocation Method
  • Base Station and Its Search Space Allocation Method

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Embodiment Construction

[0032] Reference will now be made in detail to the exemplary embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used in the drawings and description to refer to the same or like parts.

[0033] figure 1 It is a schematic diagram of a communication system according to an embodiment of the present invention. Please refer to figure 1 , the communication system 1 includes at least but not limited to a base station BS and one or more user equipment UE.

[0034] The base station BS is for example (but not limited to) Home Evolved Node B (Home Evolved Node B, HeNB), eNB, next-generation Node B (gNB), advanced base station (Advanced Base Station, ABS), base transceiver system (BaseTransceiver System, BTS), repeater (relay), repeater (repeater), or satellite-based communication base station.

[0035] figure 2 It is a component block diagram of a base station BS according to an...

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Abstract

The invention provides a base station and a search space allocation method thereof. The space allocation method includes the following steps: judging the period difference between the public search space and the specific search space. The effective time position in the specific search space is determined according to the period difference, and the effective time position is related to whether the time position used by the specific search space overlaps with the common search space. Each effective time position represents the time position at which the physical downlink control channel is started to be sent and does not overlap with each other. These valid time locations are assigned to user equipment. In this way, radio resources can be effectively used, thereby increasing the transmission rate.

Description

technical field [0001] The present invention relates to radio resource management, in particular to a base station and a search space allocation method thereof. Background technique [0002] In a Narrow Band Internet of Things (NB-IoT) system or similar systems, in order to detect whether there is a downlink transmission allocation or an uplink transmission authorization, the user equipment (User equipment, UE) will detecting a downlink transmission control indicator (Downlink Control Indicator, DCI) carried by a narrowband physical downlink control channel (Narrowband Physical Downlink Control Channel, NPDCCH). The base station (Base Station, BS) will set some predefined time intervals for the user equipment to monitor and decode accordingly, and these predefined time intervals may be called search spaces (search space). After the user equipment receives its own downlink transmission control instruction, it will transmit data from the corresponding data transmission area (...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W48/16H04W72/04H04W74/08H04W76/27
CPCH04W48/16H04W72/0446H04W72/0453H04W74/085H04W76/27H04L5/0037H04L5/0058H04W76/28
Inventor 陈晓安
Owner SERCOMM ELECTRONICS SUZHOU CO LTD
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