Signaling interference information for user equipment assistance

Abstract

Embodiments for providing signaling interference signaling information for UE assistance are generally described herein. In some embodiments, signaling information associated with interfering cells from a network node is received by user equipment (UE). The UE adjusts parameter estimation for mitigating interference based on the received signaling information.

1 . A method for signaling interference signaling information for UE assistance, comprising:
 receiving, by a user equipment (UE), signaling information associated with interfering cells from a network node; and   adjusting, by the UE, parameter estimation for mitigating interference based on the received signaling information.   
     
     
         2 . The method of  claim 1 , wherein the receiving the signaling information includes receiving information regarding variations of interfering cells across time and frequency. 
     
     
         3 - 14 . (canceled) 
     
     
         15 . A user equipment (UE), comprising:
 a transceiver arranged to receive signaling information associated with interfering cells from a network node; and   wherein the transceiver is further arranged to adjust parameter estimation for mitigating interference based on the received signaling information to receive information regarding variations of interfering cells across time and frequency.   
     
     
         16 . The user equipment of  claim 15 , wherein the transceiver is further arranged to receive an indication to the UE via signaling N bits of assistance information per transmission time interval (TTI) via a physical dedicated assistance channel (PDACH) and an indication of a position of PDACH channel via radio resource control (RRC) signaling. 
     
     
         17 . The user equipment of  claim 15 , wherein the transceiver is further arranged to receive at least one type of information selected from the group consisting of an indication to the UE via signaling N bits of assistance information per transmission time interval (TTI) via a physical dedicated assistance channel (PDACH) including signaling information of a single interfering cell for log 2(N) resource allocation block, an indication of a position of PDACH channel via radio resource control (RRC) signaling, an indication of a frequency hopping pattern over 10 subframes within a TTI and a frequency hopping pattern over multiple TTIs. 
     
     
         18 . The user equipment of  claim 15 , wherein transceiver is further arranged to receive a number of bits per transmission time interval (TTI) and per interfering cell describing the scheduling of the interfering cells. 
     
     
         19 . The user equipment of  claim 15 , wherein the transceiver is further arranged to receive signaling information including signaling information regarding one 20 MHz interfering cell including at least 28 bits per TTI. 
     
     
         20 . The user equipment of  claim 15 , wherein the transceiver is further arranged to receive additional signaling information for only resource blocks determined to be affected by interference. 
     
     
         21 . The user equipment of  claim 15 , wherein the transceiver is further arranged to receive signaling information over a physical dedicated assistance channel (PDACH) from a serving cell to the UE. 
     
     
         22 . The user equipment of  claim 15 , wherein the transceiver is further arranged to identify form the received signaling information a location and size of a physical dedicated assistance channel (PDACH) via radio resource control signaling. 
     
     
         23 . The user equipment of  claim 15 , wherein the transceiver is further arranged to receive signaling information over an assistance broadcast channel (ABCH) used for a plurality of UEs. 
     
     
         24 . The user equipment of  claim 15 , wherein the transceiver is further arranged to receive signaling information using a component carrier reserved solely for transmission of assistance information. 
     
     
         25 . The user equipment of  claim 15 , wherein the transceiver is further arranged to receive signaling information using at least one type of signaling selected from multi-cast transmission information and DCI signaling in a physical downlink control channel, the receiving signaling information signaling at least one of slowly changing assistance information and how to interpret the assistance information. 
     
     
         26 . The user equipment of  claim 15 , wherein the transceiver is further arranged to receive coordinated signaling information including an accumulated resource allocation over a plurality of interfering cells. 
     
     
         27 . The user equipment of  claim 15 , wherein the transceiver is further arranged to receive coordinated signaling information including only a subset of resource blocks of the UE to allow staggering of interference signaling information over multiple TTIs using a predetermined periodicity. 
     
     
         28 . At least one non-transitory machine readable medium comprising instructions that, when executed by the machine, cause the machine to perform operations for signaling interference signaling information for user equipment assistance, the operations comprising:
 receiving, by a user equipment (UE), signaling information associated with interfering cells from a network node; and   adjusting, by the UE, parameter estimation for mitigating interference based on the signaling information received by the UE.   
     
     
         29 . The at least one non-transitory machine readable medium of  claim 28 , wherein the receiving the signaling information includes receiving information regarding variations of interfering cells across time and frequency. 
     
     
         30 . The at least one non-transitory machine readable medium of  claim 28 , wherein receiving, by a user equipment (UE), signaling information associated with interfering cells from a network node comprises at least one type of information selected from the group consisting of an indication to the UE via signaling N bits of assistance information per transmission time interval (TTI) via a physical dedicated assistance channel (PDACH) including signaling information of a single interfering cell for log 2(N) resource allocation block, an indication of a position of PDACH channel via radio resource control (RRC) signaling, an indication of a frequency hopping pattern over 10 subframes within a TTI and a frequency hopping pattern over multiple TTIs. 
     
     
         31 . The at least one non-transitory machine readable medium of  claim 28 , wherein the receiving signaling information comprises receiving a number of bits per transmission time interval (TTI) and per interfering cell describing the scheduling of the interfering cells. 
     
     
         32 . The at least one non-transitory machine readable medium of  claim 28 , where the operations further comprise:
 receiving an indication at the UE of a location and size of a physical dedicated assistance channel (PDACH) via radio resource control signaling.   
     
     
         33 . The at least one non-transitory machine readable medium of  claim 28 , wherein the receiving signaling information comprises receiving signaling information over an assistance broadcast channel (ABCH) used for a plurality of UEs. 
     
     
         34 . The at least one non-transitory machine readable medium of  claim 28 , wherein the receiving signaling information comprises receiving signaling information using at least one type of signaling selected from multi-cast transmission information and DCI signaling in a physical downlink control channel, the receiving signaling information signaling at least one of slowly changing assistance information and how to interpret the assistance information.