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Method of receiving paging message in communication system based on machine type communication

A machine-type communication and paging message technology, applied in the field of communication systems, can solve problems such as paging message collisions, and achieve the effect of avoiding mutual collisions and improving transmission efficiency.

Active Publication Date: 2016-10-05
ALCATEL LUCENT SHANGHAI BELL CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, too dense POs will cause collision of paging messages

Method used

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  • Method of receiving paging message in communication system based on machine type communication
  • Method of receiving paging message in communication system based on machine type communication
  • Method of receiving paging message in communication system based on machine type communication

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Experimental program
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Embodiment approach

[0056] Determine PF by the following equation:

[0057] SFN mod(M*T)=((M*T) / N)*(UE_ID mod N)

[0058] in,

[0059] T: Period of Discontinuous Reception (DRX) of UE. T is determined by the minimum UE-specific DRX value. According to an embodiment of the present invention, if the DRX is allocated by the upper layer, the default DRX value can be broadcast in the system information. If UE-specific DRX is not configured by an upper layer, a default value may be applied.

[0060] nB: 4T, 2T, T, T / 2, T / 4, T / 8, T / 16, T / 32;

[0061] SFN: PF;

[0062] N:min(T,nB);

[0063] UE_ID: IMSI mod 1024;

[0064] M: Merging factor predefined or pre-configured by higher layer signaling or SIB.

[0065] Here, the newly introduced merging factor M can combine multiple PFs into one. For example, if M=2, the distance between adjacent PFs will be extended twice compared to normal UEs. Those skilled in the art should understand that this solution can be combined with the above three solutions....

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Abstract

The invention provides a method of receiving a paging message in a communication system based on machine type communication. The method of receiving a paging message in a communication system based on machine type communication uses an (E)PDCCH scheduling mode to transmit a paging message. The method comprises the following steps: C) receiving the scheduling information transmitted on an (E)PDCCH, wherein the scheduling information at least includes the first indication information, and is used for assisting user equipment to determine to receive a sub-band of a PDSCH of the paging message; D) calculating a paging occasion, and determining the sub-band based on the paging occasion and the first indication information; and E) receiving the paging message on the sub-band. The method of receiving a paging message in a communication system based on machine type communication can improve the transmission efficiency of the paging message for MTC (Machine Type Communication) in Release 13, and can avoid mutual collision between paging messages while providing the coverage range.

Description

technical field [0001] The present invention relates to communication systems, and more particularly to a method for receiving paging messages in a communication system based on machine type communication. Background technique [0002] In Release 13, an important work item is the enhancement of MachineType Communication. This work item focuses on the following two points: use less bandwidth for MTC to reduce cost; and improve the coverage of MTC mainly through retransmission. In order to support retransmission in the limited bandwidth and time domain, some signaling and mechanisms need to be redesigned. [0003] The current paging mechanism is not suitable for the enhanced MTC in R13. The transmission of paging messages will therefore be discussed in detail. Although two candidate schemes have been proposed in the current 3GPP: the transmission of paging messages based on (E)PDCCH scheduling and the transmission of paging messages based on non-(E)PDCCH ((E)PDCCH-less), th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W68/02
Inventor 张长陈宇黄晟峰林晓翔
Owner ALCATEL LUCENT SHANGHAI BELL CO LTD
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