Method for transmitting/receiving signal and device therefor

• US 9,867,170 B2
• Filed: 12/06/2016
• Issued: 01/09/2018
• Est. Priority Date: 03/24/2011
• Status: Active Grant

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: Yang, Suckchel, Kim, Mingyu, Ahn, Joonkui, Seo, Dongyoun
• Primary Examiner(s): HAN, CLEMENCE S
• Application Number:
  US15/370,820
• Publication Number:
  US 20170086190A1
• Time in Patent Office: 399 Days
• CPC Class Codes: H04B 7/2656 for structure of frame, burst
• CPC Class Codes: H04L 1/18 Automatic repetition systems, e.g. Van Duuren systems
• CPC Class Codes: H04L 25/03891 Spatial equalizers MIMO diversity systems H04B7/0413
• CPC Class Codes: H04L 5/001 the frequencies being arranged in component carriers
• CPC Class Codes: H04L 5/0032 Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
• CPC Class Codes: H04L 5/0055 Physical resource allocation for ACK/NACK for physical mapping arrangements in ARQ protocols H04L1/1861
• CPC Class Codes: H04L 5/14 Two-way operation using the same type of signal, i.e. duplex
• CPC Class Codes: H04L 5/1469 using time-sharing
• CPC Class Codes: H04L 5/22 using time-division multiplexing
• CPC Class Codes: H04W 72/04 Wireless resource allocation
• CPC Class Codes: H04W 72/0446 Resources in time domain, e.g. slots or frames
• CPC Class Codes: H04W 72/21 in the uplink direction of a wireless link, i.e. towards the network
• CPC Class Codes: H04W 72/23 in the downlink direction of a wireless link, i.e. towards a terminal

Abstract

The present invention relates to a wireless communication system. More particularly, the present invention relates to a method comprising: setting a first cell having a first TDD UL-DL configuration and a second cell having a second TDD UL-DL configuration; receiving a PHICH signal in a subframe #(n−L) of the first cell, or receiving a PDCCH signal in a subframe #(n−K) of the first cell; and transmitting a PUSCH signal in a subframe #n of the second cell, corresponding to the PHICH signal or the PDCCH signal, wherein the relationship between the subframes #(n−L), #(n−K), and #n is determined in consideration of a parameter value set in a specific TDD UL-DL configuration, which is the TDD UL-DL configuration having the least number of UL subframes from TDD UL-DL configuration(s), in which subframes set as UL in the first or second cell are all set as ULs.

Claims

1. A method for transmitting an uplink signal by a wireless device configured with a primary cell of a first Time Division Duplex Uplink-Downlink (TDD UL-DL) configuration and a secondary cell of a second TDD UL-DL configuration different from the first TDD UL-DL configuration in a wireless communication system, the method comprising:

for one or more downlink data on the secondary cell in subframe #n−

k′

(k′

ε

K′

), generating, by the wireless device, acknowledgement information about the one or more downlink data; and

transmitting the acknowledgement information in subframe #n,

wherein K′

contains elements of K;

{k₀, k₁, . . . , k<sub>M−

1</sub>} of a reference TDD UL-DL configuration such that subframe #n−

k′

is a downlink subframe or a special subframe for the secondary cell, and the reference TDD UL-DL configuration is given as;

TDD UL-DL configuration #4 when (the first TDD UL-DL configuration, the second TDD UL-DL configuration) corresponds to (#1, #3) or (#3, #1), and

TDD UL-DL configuration #5 when (the first TDD UL-DL configuration, the second TDD UL-DL configuration) corresponds to (#2, #3), (#3, #2), (#2, #4) or (#4, #2),

wherein K;

{k₀, k₁, . . . , k<sub>M−

1</sub>} is defined in Table 1, and TDD UL-DL configurations are defined according to table 2;

2. The method of claim 1, wherein the acknowledgement information is transmitted:

(i) on the primary cell via a physical uplink control channel (PUCCH), or

(ii) on the primary cell or the secondary cell via a physical uplink shared channel (PUSCH).

3. A wireless device for use in a wireless communication system, the wireless device being configured to aggregate a primary cell of a first Time Division Duplex Uplink-Downlink (TDD UL-DL) configuration and a secondary cell of a second TDD UL-DL configuration different from the first TDD UL-DL configuration and comprising:

a receiver;

a transmitter; and

a processor operatively connected to the receiver and the transmitter, the processor configured to;

for one or more downlink data on the secondary cell in subframe #n−

k′

(k′

ε

K′

), generate acknowledgement information about the one or more downlink data; and

transmit the acknowledgement information in subframe #n,

wherein K′

contains elements of K;

{k₀, k₁, . . . , k<sub>M−

1</sub>} of a reference TDD UL-DL configuration such that subframe #n−

k′

is a downlink subframe or a special subframe for the secondary cell, and the reference TDD UL-DL configuration is given as;

TDD UL-DL configuration #4 when (the first TDD UL-DL configuration, the second TDD UL-DL configuration) corresponds to (#1, #3) or (#3, #1), and

TDD UL-DL configuration #5 when (the first TDD UL-DL configuration, the second TDD UL-DL configuration) corresponds to (#2, #3), (#3, #2), (#2, #4) or (#4, #2),

wherein K;

{k₀, k₁, . . . , k<sub>M−

1</sub>} is defined in Table 1, and TDD UL-DL configurations are defined according to table 2;

4. The wireless device of claim 3, wherein the acknowledgement information is transmitted:

(i) on the primary cell via a physical uplink control channel (PUCCH), or

(ii) on the primary cell or the secondary cell via a physical uplink shared channel (PUSCH).

5. A method for receiving an uplink signal by a wireless device configured with a primary cell of a first Time Division Duplex Uplink-Downlink (TDD UL-DL) configuration and a secondary cell of a second TDD UL-DL configuration different from the first TDD UL-DL configuration in a wireless communication system, the method comprising:

for one or more downlink data on the secondary cell in subframe #n−

k′

(k′

ε

K′

), receiving, by the wireless device, acknowledgement information about the one or more downlink data in subframe #n; and

processing the acknowledgement information,

wherein K′

contains elements of K;

{k₀, k₁, . . . , k<sub>M−

1</sub>} of a reference TDD UL-DL configuration such that subframe #n−

k′

is a downlink subframe or a special subframe for the secondary cell, and the reference TDD UL-DL configuration is given as;

TDD UL-DL configuration #4 when (the first TDD UL-DL configuration, the second TDD UL-DL configuration) corresponds to (#1, #3) or (#3, #1), and

TDD UL-DL configuration #5 when (the first TDD UL-DL configuration, the second TDD UL-DL configuration) corresponds to (#2, #3), (#3, #2), (#2, #4) or (#4, #2),

wherein K;

{k₀, k₁, . . . , k<sub>M−

1</sub>} is defined in Table 1, and TDD UL-DL configurations are defined according to table 2;

6. The method of claim 5, wherein the acknowledgement information is received:

(i) on the primary cell via a physical uplink control channel (PUCCH), or

(ii) on the primary cell or the secondary cell via a physical uplink shared channel (PUSCH).

7. A wireless device for use in a wireless communication system, the wireless device being configured to aggregate a primary cell of a first Time Division Duplex Uplink-Downlink (TDD UL-DL) configuration and a secondary cell of a second TDD UL-DL configuration different from the first TDD UL-DL configuration and comprising:

a receiver;

a transmitter; and

a processor operatively connected to the receiver and the transmitter, the processor configured to;

for one or more downlink data on the secondary cell in subframe #n−

k′

(k′

ε

K′

), receive acknowledgement information about the one or more downlink data in subframe #n; and

process the acknowledgement information,

wherein K′

contains elements of K;

{k₀, k₁, . . . , k<sub>M−

1</sub>} of a reference TDD UL-DL configuration such that subframe #n−

k′

is a downlink subframe or a special subframe for the secondary cell, and the reference TDD UL-DL configuration is given as;

TDD UL-DL configuration #4 when (the first TDD UL-DL configuration, the second TDD UL-DL configuration) corresponds to (#1, #3) or (#3, #1), and

TDD UL-DL configuration #5 when (the first TDD UL-DL configuration, the second TDD UL-DL configuration) corresponds to (#2, #3), (#3, #2), (#2, #4) or (#4, #2 ),

wherein K;

{k₀, k₁, . . . , k<sub>M−

1</sub>} is defined in Table 1, and TDD UL-DL configurations are defined according to table 2;

8. The wireless device of claim 7, wherein the acknowledgement information is received:

(i) on the primary cell via a physical uplink control channel (PUCCH), or

(ii) on the primary cell or the secondary cell via a physical uplink shared channel (PUSCH).