Information transmission method and device

Abstract

Embodiments of the present invention provide an information transmission method and device. The method includes: detecting, by user equipment in a downlink subframe set N, physical downlink shared channel PDSCH transmission or a downlink control channel indicating downlink semi-persistent scheduling SPS release; sending, by the user equipment, in an uplink subframe n corresponding to the downlink subframe set N, a hybrid automatic repeat request-acknowledgment response that corresponds to the PDSCH transmission or corresponds to the downlink control channel indicating downlink semi-persistent scheduling SPS release, where n is a subframe number and n is an integer greater than or equal to 0.

What is claimed is: 
     
         1 . An information transmission method, comprising:
 detecting, by user equipment in a downlink subframe set N, a physical downlink shared channel (PDSCH) transmission or a downlink control channel indicating downlink semi-persistent scheduling (SPS) release; and   sending, by the user equipment in an uplink subframe n corresponding to the downlink subframe set N, a hybrid automatic repeat request-acknowledgment response that corresponds to the PDSCH transmission or corresponds to the downlink control channel indicating downlink SPS release, wherein n is a subframe number, and n is an integer greater than or equal to 0.   
     
     
         2 . The method according to  claim 1 , wherein a correspondence between the downlink subframe set N and the uplink subframe n is N={n−k 0 , n−k 1 , . . . , n−k M-1 }, wherein k 0 , k 1 , . . . , k M-1  are positive integers and are elements in a set K, and M is a quantity of elements comprised in the set K. 
     
     
         3 . The method according to  claim 2 , wherein:
 when the PDSCH transmission or the downlink control channel indicating downlink SPS release corresponds to a first serving cell, sending, by the user equipment in an uplink subframe n corresponding to the downlink subframe set N, a hybrid automatic repeat request-acknowledgment response that corresponds to the PDSCH transmission or corresponds to the downlink control channel indicating downlink SPS release comprises:
 in the uplink subframe n corresponding to the downlink subframe set N, sending, by the user equipment in the first serving cell, the hybrid automatic repeat request-acknowledgment response that corresponds to the PDSCH transmission or corresponds to the downlink control channel indicating downlink SPS release; 
   when the PDSCH transmission or the downlink control channel indicating downlink SPS release corresponds to a second serving cell, sending, by the user equipment in an uplink subframe n corresponding to the downlink subframe set N, a hybrid automatic repeat request-acknowledgment response that corresponds to the PDSCH transmission or corresponds to the downlink control channel indicating downlink SPS release comprises:
 in the uplink subframe n corresponding to the downlink subframe set N, sending, by the user equipment in the second serving cell, the hybrid automatic repeat request-acknowledgment response that corresponds to the PDSCH transmission or corresponds to the downlink control channel indicating downlink SPS release; and 
   wherein the first serving cell and the second serving cell are both serving cells corresponding to the user equipment.   
     
     
         4 . The method according to  claim 2 , wherein:
 the uplink subframe n is subframe 0 and subframe 5 in a radio frame, and the set K comprises elements 8, 7, 6, 5, and 4; or   the uplink subframe n is subframe 1 and subframe 6 in a radio frame, and the set K comprises elements 8, 7, 6, 5, and 4.   
     
     
         5 . The method according to  claim 2 , wherein:
 when the PDSCH transmission or the downlink control channel indicating downlink SPS release corresponds to the first serving cell, the uplink subframe n is subframe 0 and subframe 5 in a radio frame, and the set K is {8, 7, 6, 5, 4};   when the PDSCH transmission or the downlink control channel indicating downlink SPS release corresponds to the second serving cell, the uplink subframe n is subframe 1 and subframe 6 in a radio frame, and the set K is {8, 7, 6, 5, 4}; and   wherein the first serving cell and the second serving cell are both serving cells corresponding to the user equipment, and duplexing manners corresponding to the first serving cell and the second serving cell are both frequency division duplex (FDD).   
     
     
         6 . An information transmission method, comprising:
 sending, by a base station in a downlink subframe set N to user equipment, a physical downlink shared channel (PDSCH) transmission or a downlink control channel indicating downlink semi-persistent scheduling (SPS) release; and   receiving, by the base station in an uplink subframe n corresponding to the downlink subframe set N, a hybrid automatic repeat request-acknowledgment response sent by the user equipment and that corresponds to the PDSCH transmission or corresponds to the downlink control channel indicating downlink SPS release, wherein n is a subframe number, and n is an integer greater than or equal to 0.   
     
     
         7 . The method according to  claim 6 , wherein a correspondence between the downlink subframe set N and the uplink subframe n is N={n−k 0 , n−k 1 , . . . , n−k M-1 }, wherein k 0 , k 1 , . . . , k M-1  are positive integers and are elements in a set K, and M is a quantity of elements comprised in the set K. 
     
     
         8 . The method according to  claim 7 , wherein:
 when the base station is a base station corresponding to a first serving cell, and the PDSCH transmission or the downlink control channel indicating downlink SPS release corresponds to the first serving cell, receiving, by the base station in an uplink subframe n corresponding to the downlink subframe set N, a hybrid automatic repeat request-acknowledgment response sent by the user equipment and that corresponds to the PDSCH transmission or corresponds to the downlink control channel indicating downlink SPS release comprises:
 in the uplink subframe n corresponding to the downlink subframe set N, receiving, by the base station on the first serving cell, the hybrid automatic repeat request-acknowledgment response sent by the user equipment and that corresponds to the PDSCH transmission or corresponds to the downlink control channel indicating downlink SPS release; 
   when the base station is a base station corresponding to a second serving cell, and the PDSCH transmission or the downlink control channel indicating downlink SPS release corresponds to the second serving cell, receiving, by the base station in an uplink subframe n corresponding to the downlink subframe set N, a hybrid automatic repeat request-acknowledgment response sent by the user equipment and that corresponds to the PDSCH transmission or corresponds to the downlink control channel indicating downlink SPS release comprises:
 in the uplink subframe n corresponding to the downlink subframe set N, receiving, by the base station on the second serving cell, the hybrid automatic repeat request-acknowledgment response sent by the user equipment and that corresponds to the PDSCH transmission or corresponds to the downlink control channel indicating downlink SPS release; and 
   wherein the first serving cell and the second serving cell are both serving cells corresponding to the user equipment.   
     
     
         9 . The method according to  claim 7 , wherein:
 the uplink subframe n is subframe 0 and subframe 5 in a radio frame, and the set K comprises elements 8, 7, 6, 5, and 4; or   the uplink subframe n is subframe 1 and subframe 6 in a radio frame, and the set K comprises elements 8, 7, 6, 5, and 4.   
     
     
         10 . The method according to  claim 7 , wherein:
 when the base station is the base station corresponding to the first serving cell, and the PDSCH transmission or the downlink control channel indicating downlink SPS release corresponds to the first serving cell, the uplink subframe n is subframe 0 and subframe 5 in a radio frame, and the set K is {8, 7, 6, 5, 4};   when the base station is the base station corresponding to the second serving cell, and the PDSCH transmission or the downlink control channel indicating downlink SPS release corresponds to the second serving cell, the uplink subframe n is subframe 1 and subframe 6 in a radio frame, and the set K is {8, 7, 6, 5, 4}; and   wherein the first serving cell and the second serving cell are both serving cells corresponding to the user equipment, and duplexing manners corresponding to the first serving cell and the second serving cell are both frequency division duplex (FDD).   
     
     
         11 . User equipment, comprising:
 a receiver, configured to detect, in a downlink subframe set N, a physical downlink shared channel (PDSCH) transmission or a downlink control channel indicating downlink semi-persistent scheduling (SPS) release; and   a transmitter, configured to send, in an uplink subframe n corresponding to the downlink subframe set N, a hybrid automatic repeat request-acknowledgment response that corresponds to the PDSCH transmission or corresponds to the downlink control channel indicating downlink SPS release, wherein n is a subframe number, and n is an integer greater than or equal to 0.   
     
     
         12 . The equipment according to  claim 11 , wherein a correspondence between the downlink subframe set N and the uplink subframe n is N={n−k 0 , n−k 1 , . . . , n−k M-1 }, wherein k 0 , k 1 , . . . , k M-1  are positive integers and are elements in a set K, and M is a quantity of elements comprised in the set K. 
     
     
         13 . The equipment according to  claim 12 , wherein:
 when the PDSCH transmission or the downlink control channel indicating downlink SPS release corresponds to a first serving cell, the transmitter is configured to:
 in the uplink subframe n corresponding to the downlink subframe set N, send, on the first serving cell, the hybrid automatic repeat request-acknowledgment response that corresponds to the PDSCH transmission or corresponds to the downlink control channel indicating downlink SPS release; 
   when the PDSCH transmission or the downlink control channel indicating downlink SPS release corresponds to a second serving cell, the transmitter is configured to:
 in the uplink subframe n corresponding to the downlink subframe set N, send, on the second serving cell, the hybrid automatic repeat request-acknowledgment response that corresponds to the PDSCH transmission or corresponds to the downlink control channel indicating downlink SPS release; and 
   wherein the first serving cell and the second serving cell are both serving cells corresponding to the user equipment.   
     
     
         14 . The equipment according to  claim 12 , wherein:
 the uplink subframe n is subframe 0 and subframe 5 in a radio frame, and the set K comprises elements 8, 7, 6, 5, and 4; or   the uplink subframe n is subframe 1 and subframe 6 in a radio frame, and the set K comprises elements 8, 7, 6, 5, and 4.   
     
     
         15 . The equipment according to  claim 12 , wherein:
 when the PDSCH transmission or the downlink control channel indicating downlink SPS release corresponds to the first serving cell, the uplink subframe n is subframe 0 and subframe 5 in a radio frame, and the set K is {8, 7, 6, 5, 4};   when the PDSCH transmission or the downlink control channel indicating downlink SPS release corresponds to the second serving cell, the uplink subframe n is subframe 1 and subframe 6 in a radio frame, and the set K is {8, 7, 6, 5, 4}; and   wherein the first serving cell and the second serving cell are both serving cells corresponding to the user equipment, and duplexing manners corresponding to the first serving cell and the second serving cell are both frequency division duplex (FDD).   
     
     
         16 . Abase station, comprising:
 a transmitter, configured to send, in a downlink subframe set N to user equipment, a physical downlink shared channel (PDSCH) transmission or a downlink control channel indicating downlink semi-persistent scheduling SPS release; and   a receiver, configured to receive, in an uplink subframe n corresponding to the downlink subframe set N, a hybrid automatic repeat request-acknowledgment response sent by the user equipment and that corresponds to the PDSCH transmission or corresponds to the downlink control channel indicating downlink SPS release, wherein n is a subframe number, and n is an integer greater than or equal to 0.   
     
     
         17 . The base station according to  claim 16 , wherein a correspondence between the downlink subframe set N and the uplink subframe n is N={n−k 0 , n−k 1 , . . . , n−k M-1 }, wherein k 0 , k 1 , . . . , k M-1  are positive integers and are elements in a set K, and M is a quantity of elements comprised in the set K. 
     
     
         18 . The base station according to  claim 17 , wherein:
 when the base station is a base station corresponding to a first serving cell, and the PDSCH transmission or the downlink control channel indicating downlink SPS release corresponds to the first serving cell, the receiver is configured to:
 in the uplink subframe n corresponding to the downlink subframe set N, receive, on the first serving cell, the hybrid automatic repeat request-acknowledgment response sent by the user equipment and that corresponds to the PDSCH transmission or corresponds to the downlink control channel indicating downlink SPS release; 
   when the base station is a base station corresponding to a second serving cell, and the PDSCH transmission or the downlink control channel indicating downlink SPS release corresponds to the second serving cell, the receiver is configured to:
 in the uplink subframe n corresponding to the downlink subframe set N, receive, on the second serving cell, the hybrid automatic repeat request-acknowledgment response sent by the user equipment and that corresponds to the PDSCH transmission or corresponds to the downlink control channel indicating downlink SPS release; and 
   wherein the first serving cell and the second serving cell are both serving cells corresponding to the user equipment.   
     
     
         19 . The device according to  claim 17 , wherein:
 the uplink subframe n is subframe 0 and subframe 5 in a radio frame, and the set K comprises elements 8, 7, 6, 5, and 4; or   the uplink subframe n is subframe 1 and subframe 6 in a radio frame, and the set K comprises elements 8, 7, 6, 5, and 4.   
     
     
         20 . The device according to  claim 17 , wherein:
 when the base station is a base station corresponding to the first serving cell, and the PDSCH transmission or the downlink control channel indicating downlink SPS release corresponds to the first serving cell, the uplink subframe n is subframe 0 and subframe 5 in a radio frame, and the set K is {8, 7, 6, 5, 4};   when the base station is a base station corresponding to the second serving cell, and the PDSCH transmission or the downlink control channel indicating downlink SPS release corresponds to the second serving cell, the uplink subframe n is subframe 1 and subframe 6 in a radio frame, and the set K is {8, 7, 6, 5, 4}; and   wherein the first serving cell and the second serving cell are both serving cells corresponding to the user equipment, and duplexing manners corresponding to the first serving cell and the second serving cell are both frequency division duplex (FDD).