Signal processing method for mtc and device therefor

Patent metadata

Field	Value
Publication number	US-2016262133-A1
Application number	US-201415029543-A
Country	US
Kind code	A1
Filing date	Nov 4, 2014
Priority date	Nov 4, 2013
Publication date	Sep 8, 2016
Grant date	—

Abstract

The present invention relates to a wireless communication system. Particularly, the present invention relates to a method by which a terminal receives a downlink signal in a wireless communication system and a device therefor, and the method comprises the steps of: acquiring information on a subframe configuration; receiving a subframe including a first time domain and a second time domain; and storing, in a first receiving buffer, a downlink signal on a receiving band in the second time domain of the subframe, wherein the size of the receiving band is set differently according to each subframe configuration by using the information on the subframe configuration.

First claim

What is claimed is:

1 . A method of receiving a downlink signal, which is received by a user equipment (UE) in a wireless communication system, comprising the steps of:
obtaining information on a subframe configuration; receiving a subframe containing a first time domain and a second domain; and storing a downlink signal on a reception band in a first reception buffer in the second time domain of the subframe, wherein a size of the reception band is differently configured according to a subframe configuration using the information on the subframe configuration.

2 . The method of claim 1 , further comprising the step of storing a downlink signal on a system band in a second reception buffer in the first time domain of the subframe,
wherein the size of the reception band is smaller than a size of the system band.

3 . The method of claim 1 , wherein the information on the subframe configuration comprises at least one selected from the group consisting of CP (cyclic prefix) configuration information, special subframe configuration information, RS (reference signal) configuration information and information on a length of the first time domain.

4 . The method of claim 1 , wherein if a normal CP is set, the size of the reception band corresponds to the N1 number of RBs (resource blocks), wherein if an extended CP is set, the size of the reception band corresponds to the N2 number of RBs, wherein the N1 corresponds to a positive integer, wherein the N2 corresponds to a positive integer and wherein the N1 is smaller than the N2.

5 . The method of claim 4 , wherein if the normal CP is set, the number of OFDM (orthogonal frequency division multiplexing) symbols available for transmitting data in the subframe corresponds to K1, wherein if the extended CP is set, the number of OFDM symbols available for transmitting data in the subframe corresponds to K2, wherein the K1 corresponds to a positive integer, wherein the K2 corresponds to a positive integer and wherein the K1 is greater than the K2.

6 . The method of claim 4 , wherein the N1 corresponds to 6 and wherein the N2 corresponds to 7.

7 . A user equipment used in a wireless communication system, comprising:
an RF (radio frequency) unit; and a processor, the processor configured to obtain information on a subframe configuration, the processor configured to receive a subframe containing a first time domain and a second domain, the processor configured to store a downlink signal on a reception band in a first reception buffer in the second time domain of the subframe, wherein a size of the reception band is differently configured according to a subframe configuration using the information on the subframe configuration.

8 . The user equipment of claim 7 , wherein the processor is configured to store a downlink signal on a system band in a second reception buffer in the first time domain of the subframe,
wherein the size of the reception band is smaller than a size of the system band.

9 . The user equipment of claim 7 , wherein the information on the subframe configuration comprises at least one selected from the group consisting of CP (cyclic prefix) configuration information, special subframe configuration information, RS (reference signal) configuration information and information on a length of the first time domain.

10 . The user equipment of claim 7 , wherein if a normal CP is set, the size of the reception band corresponds to the N1 number of RBs (resource blocks), wherein if an extended CP is set, the size of the reception band corresponds to the N2 number of RBs, wherein the N1 corresponds to a positive integer, wherein the N2 corresponds to a positive integer and wherein the N1 is smaller than the N2.

11 . The user equipment of claim 10 , wherein if the normal CP is set, the number of OFDM (orthogonal frequency division multiplexing) symbols available for transmitting data in the subframe corresponds to K1, wherein if the extended CP is set, the number of OFDM symbols available for transmitting data in the subframe corresponds to K2, wherein the K1 corresponds to a positive integer, wherein the K2 corresponds to a positive integer and wherein the K1 is greater than the K2.

12 . The user equipment of claim 10 , wherein the N1 corresponds to 6 and wherein the N2 corresponds to 7.

Assignees

• Lg Electronics Inc

Inventors

• Yang Suckchel
• Ahn Joonkui
• You Hyangsun
• Yi Yunjung

Classifications

• H04W72/23 Primary

  in the downlink direction of a wireless link, i.e. towards a terminal · CPC title

• H04L5/0007

  the frequencies being orthogonal, e.g. OFDM(A) or DMT · CPC title

• H04L5/005

  of common pilots, i.e. pilots destined for multiple users or terminals · CPC title

• H04W4/005

  Electricity · mapped topic

• H04W72/042 Primary

  Electricity · mapped topic