Information Transmission Method and Apparatus

• US 20150305010A1
• Filed: 06/30/2015
• Published: 10/22/2015
• Est. Priority Date: 12/31/2012
• Status: Abandoned Application

• Current Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Original Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Inventors: Guan, Lei, Xue, Lixia, Ma, Sha
• Application Number:
  US14/788,325
• Publication Number:
  US 20150305010A1
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: H04J 3/16 in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted H04J3/17, H04J3/24 take precedence
• CPC Class Codes: H04L 1/1812 Hybrid protocols; Hybrid automatic repeat request [HARQ]
• CPC Class Codes: H04L 1/1854 Scheduling and prioritising arrangements
• CPC Class Codes: H04L 1/1887 Scheduling and prioritising arrangements
• CPC Class Codes: H04W 72/20 Control channels or signalling for resource management

Abstract

The present invention provides an information transmission method and apparatus. The information transmission method includes: obtaining, by a terminal, subframe configuration information of at least two serving cells, and transmitting, by the terminal according to HARQ timing relationships respectively corresponding to the at least two serving cells, information with a network side device in uplink subframes and/or downlink subframes indicated by the subframe configuration information; where the at least two serving cells include at least one first serving cell.

Claims

1. An information transmission method comprising:

obtaining, by a terminal, subframe configuration information of at least two serving cells, and obtaining an HARQ timing relationship corresponding to each serving cell of the at least two serving cells, wherein the subframe configuration information of each serving cell of the at least two serving cells is used to indicate uplink subframes used by the terminal and muted uplink subframes in each serving cell, and/or used to indicate downlink subframes used by the terminal and muted downlink subframes in each serving cell; and

transmitting, by the terminal according to the HARQ timing relationship corresponding to each serving cell of the at least two serving cells, information with a network side device in the uplink subframes and/or downlink subframes indicated by the subframe configuration information of each serving cell;

wherein, the at least two serving cells comprise at least one first serving cell, wherein an HARQ timing relationship corresponding to the first serving cell is an HARQ timing relationship corresponding to TDD configuration n, and an uplink and downlink configuration of TDD configuration n is different from an uplink and downlink configuration of the first serving cell;

wherein according to the HARQ timing relationship corresponding to TDD configuration n, an uplink ACK/NACK corresponding to at least one downlink subframe of the first serving cell is configured to be transmitted in a corresponding uplink subframe, and/or, according to the HARQ timing relationship corresponding to TDD configuration n, a downlink ACK/NACK corresponding to a PUSCH of at least one uplink subframe of the first serving cell is configured to be transmitted in a corresponding downlink subframe; and

wherein a TDD system has N uplink and downlink configurations, wherein n is a natural number that is less than or equal to N−

1 and greater than or equal to 0, and N is a natural number that is greater than or equal to 1;

or, a timing relationship of a first downlink subframe set of the first serving cell is an HARQ timing relationship of FDD, and a timing relationship of a second downlink subframe set of the first serving cell is an HARQ timing relationship of TDD.

2. The method according to claim 1, wherein:

when the HARQ timing relationship corresponding to TDD configuration n is applied, in the first serving cell, uplink ACKs/NACKs corresponding to PDSCHs of P downlink subframes are configured to be fed back in uplink subframes, and when an original HARQ timing relationship of the first serving cell is applied, in the first serving cell, uplink ACKs/NACKs corresponding to PDSCHs of Q downlink subframes can be fed back in uplink subframes, wherein P is greater than Q and both P and Q are natural numbers; and

/or,

when the HARQ timing relationship corresponding to TDD configuration n is applied, in the first serving cell, downlink ACKs/NACKs corresponding to PUSCHs of M uplink subframes are configured to be transmitted in downlink subframes, and when an original HARQ timing relationship of the first serving cell is applied, in the first serving cell, downlink ACKs/NACKs corresponding to PUSCHs of N uplink subframes can be transmitted in downlink subframes, wherein M is greater than N and both M and N are natural numbers;

wherein the original HARQ timing relationship of the first serving cell is an HARQ timing relationship that is applied when no uplink or downlink subframe of the first serving cell is muted.

3. The method according to claim 1, wherein the HARQ timing relationship comprises:

a timing relationship from a PDSCH to an uplink ACK/NACK, and/or, a timing relationship from a PUSCH to a downlink ACK/NACK.

4. The method according to claim 1, wherein, the subframe configuration information of each serving cell of the at least two serving cells indicates that uplink subframes used by the terminal do not overlap at all or partly overlap, and/or, indicates that downlink subframes used by the terminal do not overlap at all or partly overlap.

5. The method according to claim 1, wherein, radio frame headers of each serving cell of the at least two serving cells are not aligned.

6. An information transmission method, comprising:

determining, by a network side device, subframe configuration information of at least two serving cells which is to be delivered to a terminal, and determining an HARQ timing relationship corresponding to each serving cell of the at least two serving cells, wherein the subframe configuration information of each serving cell is used to indicate uplink subframes used by the terminal and muted uplink subframes in each serving cell, and/or used to indicate downlink subframes used by the terminal and muted downlink subframes in each serving cell;

delivering, by the network side device, the subframe configuration information of the at least two serving cells to the terminal, and delivering the HARQ timing relationship corresponding to each serving cell of the at least two serving cells to the terminal; and

transmitting, by the network side device according to the HARQ timing relationship corresponding to each serving cell, information with the terminal in the uplink subframes and/or downlink subframes indicated by the subframe configuration information of each serving cell;

wherein the at least two serving cells comprise at least one first serving cell, wherein an HARQ timing relationship corresponding to the first serving cell is an HARQ timing relationship corresponding to TDD configuration n, and an uplink and downlink configuration of TDD configuration n is different from an uplink and downlink configuration of the first serving cell;

wherein according to the HARQ timing relationship corresponding to TDD configuration n, an uplink ACK/NACK corresponding to at least one downlink subframe of the first serving cell can be transmitted in a corresponding uplink subframe, and/or

wherein according to the HARQ timing relationship corresponding to TDD configuration n, a downlink ACK/NACK corresponding to a PUSCH of at least one uplink subframe of the first serving cell can be transmitted in a corresponding downlink subframe; and

wherein a TDD system has N uplink and downlink configurations, wherein n is a natural number that is less than or equal to 0 and greater than or equal to N−

1, and N is a natural number that is greater than or equal to 1;

or,

a timing relationship of a first downlink subframe set of the first serving cell is an HARQ timing relationship of FDD, and a timing relationship of a second downlink subframe set of the first serving cell is an HARQ timing relationship of TDD.

7. The method according to claim 6, wherein:

when the HARQ timing relationship corresponding to TDD configuration n is applied, in the first serving cell, uplink ACKs/NACKs corresponding to PDSCHs of P downlink subframes are configured to be fed back in uplink subframes, and when an original HARQ timing relationship of the first serving cell is applied, in the first serving cell, uplink ACKs/NACKs corresponding to PDSCHs of Q downlink subframes can be fed back in uplink subframes, wherein P is greater than Q and both P and Q are natural numbers; and

/or,

when the HARQ timing relationship corresponding to TDD configuration n is applied, in the first serving cell, downlink ACKs/NACKs corresponding to PUSCHs of M uplink subframes configured to be transmitted in downlink subframes, and when an original HARQ timing relationship of the first serving cell is applied, in the first serving cell, downlink ACKs/NACKs corresponding to PUSCHs of N uplink subframes can be transmitted in downlink subframes, wherein M is greater than N and both M and N are natural numbers;

wherein the original HARQ timing relationship of the first serving cell is an HARQ timing relationship that is applied when no uplink or downlink subframe of the first serving cell is muted.

8. The method according to claim 6, wherein the HARQ timing relationship comprises:

a timing relationship from a PDSCH to an uplink ACK/NACK, and/or, a timing relationship from a PUSCH to a downlink ACK/NACK.

9. The method according to claim 6, wherein, subframe configuration information of different serving cells of the at least two serving cells indicates that uplink subframes used by the terminal do not overlap at all or partly overlap;

and/or, indicates that downlink subframes used by the terminal do not overlap at all or partly overlap.

10. The method according to claim 6, wherein, radio frame headers of each serving cell of the at least two serving cells are not aligned.

11. A terminal, comprising:

a processor, a memory, a transceiver, and a bus, wherein the processor, the memory, and the transceiver are connected through the bus; and

the memory is configured to store a group of program code, and the processor is configured to invoke the program code stored in the memory to execute the following operations;

obtaining subframe configuration information of at least two serving cells, and obtaining an HARQ timing relationship corresponding to each serving cell of the at least two serving cells, wherein the subframe configuration information of each serving cell of the at least two serving cells is used to indicate uplink subframes used by the terminal and muted uplink subframes in each serving cell, and/or used to indicate downlink subframes used by the terminal and muted downlink subframes in each serving cell; and

transmitting, according to the HARQ timing relationship corresponding to each serving cell of the at least two serving cells, information with a network side device in the uplink subframes and/or downlink subframes indicated by the subframe configuration information of each serving cell;

wherein the at least two serving cells comprise at least one first serving cell, wherein an HARQ timing relationship corresponding to the first serving cell is an HARQ timing relationship corresponding to TDD configuration n, and an uplink and downlink configuration of TDD configuration n is different from an uplink and downlink configuration of the first serving cell;

wherein according to the HARQ timing relationship corresponding to TDD configuration n, an uplink ACK/NACK corresponding to at least one downlink subframe of the first serving cell is configured to be transmitted in a corresponding uplink subframe, and/or

wherein according to the HARQ timing relationship corresponding to TDD configuration n, a downlink ACK/NACK corresponding to a PUSCH of at least one uplink subframe of the first serving cell is configured to be transmitted in a corresponding downlink subframe; and

wherein a TDD system has N uplink and downlink configurations, wherein n is a natural number that is less than or equal to 0 and greater than or equal to N−

1, and N is a natural number that is greater than or equal to 1;

or,

a timing relationship of a first downlink subframe set of the first serving cell is an HARQ timing relationship of FDD, and a timing relationship of a second downlink subframe set of the first serving cell is an HARQ timing relationship of TDD.

12. The terminal according to claim 11, wherein:

when the HARQ timing relationship corresponding to TDD configuration n is applied, in the first serving cell, uplink ACKs/NACKs corresponding to PDSCHs of P downlink subframes are configured to be fed back in uplink subframes, and when an original HARQ timing relationship of the first serving cell is applied, in the first serving cell, uplink ACKs/NACKs corresponding to PDSCHs of Q downlink subframes can be fed back in uplink subframes, wherein P is greater than Q and both P and Q are natural numbers; and

/or,

when the HARQ timing relationship corresponding to TDD configuration n is applied, in the first serving cell, downlink ACKs/NACKs corresponding to PUSCHs of M uplink subframes are configured to be transmitted in downlink subframes, and when an original HARQ timing relationship of the first serving cell is applied, in the first serving cell, downlink ACKs/NACKs corresponding to PUSCHs of N uplink subframes can be transmitted in downlink subframes, wherein M is greater than N and both M and N are natural numbers;

wherein the original HARQ timing relationship of the first serving cell is the HARQ timing relationship that is applied when no uplink or downlink subframe of the first serving cell is muted.

13. The terminal according to claim 11, wherein the HARQ timing relationship comprises:

a timing relationship from a PDSCH to an uplink ACK/NACK, and/or, a timing relationship from a PUSCH to a downlink ACK/NACK.

14. The terminal according to claim 11, wherein, subframe configuration information of different serving cells of the at least two serving cells indicates that uplink subframes used by the terminal do not overlap at all or partly overlap, and/or, indicates that downlink subframes used by the terminal do not overlap at all or partly overlap.

15. The terminal according to claim 11, wherein, radio frame headers of each serving cell of the at least two serving cells are not aligned.

16. A network side device, comprising:

a processor, a memory, a transceiver, and a bus, wherein the processor, the memory, and the transceiver are connected through the bus; and

the memory is configured to store a group of program code, and the processor is configured to invoke the program code stored in the memory to execute the following operations;

determining subframe configuration information of at least two serving cells which is to be delivered to a terminal and determining an HARQ timing relationship corresponding to each serving cell of the at least two serving cells, wherein the subframe configuration information of each serving cell is used to indicate uplink subframes used by the terminal and muted uplink subframes in each serving cell, and/or used to indicate downlink subframes used by the terminal and muted downlink subframes in each serving cell;

delivering the subframe configuration information of the at least two serving cells to the terminal and delivering the HARQ timing relationship corresponding to each serving cell of the at least two serving cells to the terminal; and

transmitting, according to the HARQ timing relationship corresponding to each serving cell, information with the terminal in the uplink subframes and/or downlink subframes indicated by the subframe configuration information of each serving cell;

wherein the at least two serving cells comprise at least one first serving cell, wherein an HARQ timing relationship corresponding to the first serving cell is an HARQ timing relationship corresponding to TDD configuration n, and an uplink and downlink configuration of TDD configuration n is different from an uplink and downlink configuration of the first serving cell;

wherein according to the HARQ timing relationship corresponding to TDD configuration n, an uplink ACK/NACK corresponding to at least one downlink subframe of the first serving cell can be transmitted in a corresponding uplink subframe, or

wherein according to the HARQ timing relationship corresponding to TDD configuration n, a downlink ACK/NACK corresponding to a PUSCH of at least one uplink subframe of the first serving cell can be transmitted in a corresponding downlink subframe; and

wherein a TDD system has N uplink and downlink configurations, wherein n is a natural number that is less than or equal to 0 and greater than or equal to N−

1, and N is a natural number that is greater than or equal to 1;

or,

a timing relationship of a first downlink subframe set of the first serving cell is an HARQ timing relationship of FDD, and a timing relationship of a second downlink subframe set of the first serving cell is an HARQ timing relationship of TDD.

17. The device according to claim 16, wherein:

when the HARQ timing relationship corresponding to TDD configuration n is applied, in the first serving cell, uplink ACKs/NACKs corresponding to PDSCHs of P downlink subframes are configured to be fed back in uplink subframes, and when an original HARQ timing relationship of the first serving cell is applied, in the first serving cell, uplink ACKs/NACKs corresponding to PDSCHs of Q downlink subframes can be fed back in uplink subframes, wherein P is greater than Q and both P and Q are natural numbers; and

/or,

when the HARQ timing relationship corresponding to TDD configuration n is applied, in the first serving cell, downlink ACKs/NACKs corresponding to PUSCHs of M uplink subframes are configured to be transmitted in downlink subframes, and when an original HARQ timing relationship of the first serving cell is applied, in the first serving cell, downlink ACKs/NACKs corresponding to PUSCHs of N uplink subframes can be transmitted in downlink subframes, wherein M is greater than N and both M and N are natural numbers;

wherein the original HARQ timing relationship of the first serving cell is an HARQ timing relationship that is applied when no uplink or downlink subframe of the first serving cell is muted.

18. The device according to claim 16, wherein the HARQ timing relationship comprises:

a timing relationship from a PDSCH to an uplink ACK/NACK, and/or, a timing relationship from a PUSCH to a downlink ACK/NACK.

19. The device according to claim 16, wherein, subframe configuration information of different serving cells of the at least two serving cells indicates that uplink subframes used by the terminal do not overlap at all or partly overlap, and/or, indicates that downlink subframes used by the terminal do not overlap at all or partly overlap.

20. The device according to claim 16, wherein, radio frame headers of each serving cell of the at least two serving cells are not aligned.