Methods and system for resource management in tti (transmission time interval) bundling for improved phase continuity

Abstract

Certain aspects of the present disclosure propose methods for improving phase continuity in an uplink transmit time interval (TTI) bundle. A first method may include identifying a segment of UL subframes in the TTI bundle and maintaining substantially the same transmit power/timing/frequency when transmitting data to a node over the segment of UL subframes in the TTI bundle. Another method may include ignoring reception of downlink subframes for a duration of the TTI bundle.

What is claimed is: 
     
         1 . A method for wireless communications by a user equipment (UE), comprising:
 identifying a transmit time interval (TTI) bundle comprising a plurality of uplink (UL) subframes for transmitting data to a node; and   skipping monitoring downlink subframes for a duration of the TTI bundle.   
     
     
         2 . The method of  claim 1 , wherein the skipping monitoring downlink subframes comprises ignoring reception of all downlink signals and channels. 
     
     
         3 . The method of  claim 1 , wherein the skipping monitoring downlink subframes comprises ignoring reception of at least some downlink signals and channels. 
     
     
         4 . The method of  claim 1 , further comprising:
 transmitting one or more uplink subframes in the TTI bundle to the node; and   performing downlink monitoring after the duration of TTI bundle is finished.   
     
     
         5 . The method of  claim 1 , further comprising:
 treating one or more downlink subframes and one or more special subframes in the TTI bundle as virtual uplink subframes.   
     
     
         6 . The method of  claim 5 , further comprising:
 transmitting the virtual uplink subframes with a power similar to a power of other uplink subframes in the TTI bundle.   
     
     
         7 . The method of  claim 5 , further comprising:
 transmitting uplink information in the virtual uplink subframes.   
     
     
         8 . The method of  claim 7 , wherein transmitting the uplink information in the virtual uplink subframes comprises:
 frequency multiplexing the uplink information with downlink traffic in the same subframe.   
     
     
         9 . The method of  claim 8 , further comprising:
 enabling a guard-band between uplink and downlink traffic in the same subframe in time division duplex to mitigate mutual interference.   
     
     
         10 . An apparatus for wireless communications by a user equipment (UE), comprising:
 at least one processor; and   memory coupled to the at least one processor, the memory storing instructions executable by the at least one processor to cause the UE to:
 identify a transmit time interval (TTI) bundle comprising a plurality of uplink (UL) subframes for transmitting data to a node; and 
 skip monitoring downlink subframes for a duration of the TTI bundle. 
   
     
     
         11 . The apparatus of  claim 10 , wherein the skipping monitoring downlink subframes comprises ignoring reception of all downlink signals and channels. 
     
     
         12 . The apparatus of  claim 10 , wherein the skipping monitoring downlink subframes comprises ignoring reception of at least some downlink signals and channels. 
     
     
         13 . The apparatus of  claim 10 , wherein the instructions are further executable by the at least one processor to cause the UE to:
 transmit one or more uplink subframes in the TTI bundle to the node; and   perform downlink monitoring after the duration of TTI bundle is finished.   
     
     
         14 . The apparatus of  claim 10 , wherein the instructions are further executable by the at least one processor to cause the UE to:
 treat one or more downlink subframes and one or more special subframes in the TTI bundle as virtual uplink subframes.   
     
     
         15 . The apparatus of  claim 14 , wherein the instructions are further executable by the at least one processor to cause the UE to:
 transmit the virtual uplink subframes with a power similar to a power of other uplink subframes in the TTI bundle.   
     
     
         16 . The apparatus of  claim 14 , wherein the instructions are further executable by the at least one processor to cause the UE to:
 transmit uplink information in the virtual uplink subframes.   
     
     
         17 . The apparatus of  claim 16 , wherein transmitting the uplink information in the virtual uplink subframes comprises:
 frequency multiplexing the uplink information with downlink traffic in the same subframe.   
     
     
         18 . The apparatus of  claim 17 , wherein the instructions are further executable by the at least one processor to cause the UE to:
 enable a guard-band between uplink and downlink traffic in the same subframe in time division duplex to mitigate mutual interference.   
     
     
         19 . An apparatus for wireless communications, comprising:
 means for identifying a transmit time interval (TTI) bundle comprising a plurality of uplink (UL) subframes for transmitting data to a node; and   means for skipping monitoring downlink subframes for a duration of the TTI bundle.   
     
     
         20 . The apparatus of  claim 19 , wherein the skipping monitoring downlink subframes comprises ignoring reception of all downlink signals and channels. 
     
     
         21 . The apparatus of  claim 19 , wherein the skipping monitoring downlink subframes comprises ignoring reception of at least some downlink signals and channels. 
     
     
         22 . The apparatus of  claim 19 , further comprising:
 means for transmitting one or more uplink subframes in the TTI bundle to the node; and   means for performing downlink monitoring after the duration of TTI bundle is finished.   
     
     
         23 . The apparatus of  claim 19 , further comprising:
 means for treating one or more downlink subframes and one or more special subframes in the TTI bundle as virtual uplink subframes.   
     
     
         24 . The apparatus of  claim 23 , further comprising:
 means for transmitting the virtual uplink subframes with a power similar to a power of other uplink subframes in the TTI bundle.   
     
     
         25 . The apparatus of  claim 23 , further comprising:
 means for transmitting uplink information in the virtual uplink subframes.   
     
     
         26 . The apparatus of  claim 25 , wherein transmitting the uplink information in the virtual uplink subframes comprises:
 frequency multiplexing the uplink information with downlink traffic in the same subframe.   
     
     
         27 . The apparatus of  claim 26 , further comprising:
 means for enabling a guard-band between uplink and downlink traffic in the same subframe in time division duplex to mitigate mutual interference.   
     
     
         28 . A non-transitory computer-readable medium for wireless communications by a user equipment (UE), comprising instructions executable by at least one processor to cause the UE to:
 identify a transmit time interval (TTI) bundle comprising a plurality of uplink (UL) subframes for transmitting data to a node; and   skip monitoring downlink subframes for a duration of the TTI bundle.