US2013336193A1PendingUtilityA1

Network information for assisting user equipment

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Assignee: QUALCOMM INCPriority: Jun 19, 2012Filed: Jun 17, 2013Published: Dec 19, 2013
Est. expiryJun 19, 2032(~5.9 yrs left)· nominal 20-yr term from priority
Inventors:Tao LuoYongbin WeiPeter GaalHao XuTaesang YooSiddhartha MallikMakesh Pravin John WilsonNaga BhushanDurga Prasad MalladiTingfang JiGavin Bernard Horn
H04W 72/541H04B 7/0632H04L 5/0053H04B 17/336H04L 1/0026H04L 1/0067H04L 5/0048H04B 7/0413H04B 7/0452H04L 5/0073H04L 1/0075H04L 5/0057H04W 16/14H04L 5/0044H04L 5/0035H04L 5/0091H04L 12/189H04L 27/34
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Claims

Abstract

A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus may be a UE that acquires information regarding an interfering non-serving cell and uses the information to improve decoding of serving cell signals. The method includes receiving, from a serving evolved Node B (eNB), information that includes one or more transmission characteristics of at least one non-serving cell and performing at least one of interference cancellation, demodulation, or provides an improved channel quality indicator (CQI) based on the received information.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A method of wireless communication comprising:
 receiving, from a serving evolved Node B (eNB), information comprising one or more transmission characteristics of at least one non-serving cell; and   performing at least one of interference cancellation, demodulation, or providing an improved channel quality indicator (CQI) based on the received information.   
     
     
         2 . The method of  claim 1 , wherein the one or more transmission characteristics comprises one or more interference characteristics of the at least one non-serving cell. 
     
     
         3 . The method of  claim 2 , wherein the one or more interference characteristics comprises at least one of a transmission mode, a recently used radio network temporary identifier (RNTI) value, an IC list, a carrier type, a carrier release, a virtual cell identification (ID), a control span, statistics regarding a loading level of at least one of almost blank subframes (ABSs) and non-ABSs, statistics regarding previously used traffic-to-pilot ratios (TPRs), a previously used TPR, statistics regarding a previously used modulation order, and a previously used modulation order. 
     
     
         4 . The method of  claim 1 , wherein:
 the information further comprises one or more characteristics of a relay node; and   the non-serving cell is a donor eNB.   
     
     
         5 . The method of  claim 4 , wherein the one or more characteristics of the relay node comprises at least one of a type of the donor eNB, loading information of the donor eNB, a resource allocation to the relay node, and a parameter indicating a backhaul quality of the relay node. 
     
     
         6 . The method of  claim 1 , wherein the information indicates whether subframes from the non-serving cell are based on a legacy carrier type (LCT), a new carrier type (NCT), or the LCT and the NCT. 
     
     
         7 . The method of  claim 1 , wherein the information indicates a narrowband region dedicated for machine type communication (MTC). 
     
     
         8 . The method of  claim 1 , wherein the information indicates a time division multiplexing (TDM) partition between a new carrier type (NCT) and a legacy carrier type (LCT) in a subframe transmitted from the non-serving eNB. 
     
     
         9 . The method of  claim 1 , wherein the information indicates whether a node configured for multi-user multiple-input multiple-output (MU-MIMO) is currently transmitting. 
     
     
         10 . The method of  claim 1 , wherein the information indicates a cooperation set associated with a coordinated multi-point (CoMP) configuration. 
     
     
         11 . The method of  claim 1 , wherein the information further comprises tunneled non-serving cell information used for performing a handover procedure. 
     
     
         12 . The method of  claim 1 , wherein the information indicates loading information of different nodes and different radio access technologies (RATs) of a multi-flow configuration. 
     
     
         13 . The method of  claim 1 , wherein the information indicates at least one of a multicast broadcast single frequency network (MBSFN) configuration of the non-serving cell and a multimedia broadcast multicast service (MBMS) configuration of the non-serving cell. 
     
     
         14 . The method of  claim 1 , wherein the information indicates rate matching information for a physical downlink shared channel (PDSCH). 
     
     
         15 . The method of  claim 1 , wherein the information indicates a traffic-to-pilot (TPR) variation of 16-quadrature amplitude modulation (QAM) or 64-QAM. 
     
     
         16 . The method of  claim 1 , wherein the information indicates a configuration of positioning reference signals (PRS) implemented by the non-serving cell. 
     
     
         17 . An apparatus for wireless communication, comprising:
 means for receiving, from a serving evolved Node B (eNB), information comprising one or more transmission characteristics of at least one non-serving cell; and   means for performing at least one of interference cancellation, demodulation, or providing an improved channel quality indicator (CQI) based on the received information.   
     
     
         18 . The apparatus of  claim 17 , wherein the one or more transmission characteristics comprises one or more interference characteristics of the at least one non-serving cell. 
     
     
         19 . The apparatus of  claim 18 , wherein the one or more interference characteristics comprises at least one of a transmission mode, a recently used radio network temporary identifier (RNTI) value, an IC list, a carrier type, a carrier release, a virtual cell identification (ID), a control span, statistics regarding a loading level of at least one of almost blank subframes (ABSs) and non-ABSs, statistics regarding previously used traffic-to-pilot ratios (TPRs), a previously used TPR, statistics regarding a previously used modulation order, and a previously used modulation order. 
     
     
         20 . The apparatus of  claim 17 , wherein:
 the information further comprises one or more characteristics of a relay node; and   the non-serving cell is a donor eNB.   
     
     
         21 . The apparatus of  claim 20 , wherein the one or more characteristics of the relay node comprises at least one of a type of the donor eNB, loading information of the donor eNB, a resource allocation to the relay node, and a parameter indicating a backhaul quality of the relay node. 
     
     
         22 . The apparatus of  claim 17 , wherein the information indicates whether subframes from the non-serving cell are based on a legacy carrier type (LCT), a new carrier type (NCT), or the LCT and the NCT. 
     
     
         23 . The apparatus of  claim 17 , wherein the information indicates a narrowband region dedicated for machine type communication (MTC). 
     
     
         24 . The apparatus of  claim 17 , wherein the information indicates a time division multiplexing (TDM) partition between a new carrier type (NCT) and a legacy carrier type (LCT) in a subframe transmitted from the non-serving eNB. 
     
     
         25 . The apparatus of  claim 17 , wherein the information indicates whether a node configured for multi-user multiple-input multiple-output (MU-MIMO) is currently transmitting. 
     
     
         26 . The apparatus of  claim 17 , wherein the information indicates a cooperation set associated with a coordinated multi-point (CoMP) configuration. 
     
     
         27 . The apparatus of  claim 17 , wherein the information further comprises tunneled non-serving cell information used for performing a handover procedure. 
     
     
         28 . The apparatus of  claim 17 , wherein the information indicates loading information of different nodes and different radio access technologies (RATs) of a multi-flow configuration. 
     
     
         29 . The apparatus of  claim 17 , wherein the information indicates at least one of a multicast broadcast single frequency network (MBSFN) configuration of the non-serving cell and a multimedia broadcast multicast service (MBMS) configuration of the non-serving cell. 
     
     
         30 . The apparatus of  claim 17 , wherein the information indicates rate matching information for a physical downlink shared channel (PDSCH). 
     
     
         31 . The apparatus of  claim 17 , wherein the information indicates a traffic-to-pilot (TPR) variation of 16-quadrature amplitude modulation (QAM) or 64-QAM. 
     
     
         32 . The apparatus of  claim 17 , wherein the information indicates a configuration of positioning reference signals (PRS) implemented by the non-serving cell. 
     
     
         33 . An apparatus for wireless communication, comprising:
 a processing system configured to:
 receive, from a serving evolved Node B (eNB), information comprising one or more transmission characteristics of at least one non-serving cell; and 
 perform at least one of interference cancellation, demodulation, or providing an improved channel quality indicator (CQI) based on the received information. 
   
     
     
         34 . The apparatus of  claim 33 , wherein the one or more transmission characteristics comprises one or more interference characteristics of the at least one non-serving cell. 
     
     
         35 . The apparatus of  claim 34 , wherein the one or more interference characteristics comprises at least one of a transmission mode, a recently used radio network temporary identifier (RNTI) value, an IC list, a carrier type, a carrier release, a virtual cell identification (ID), a control span, statistics regarding a loading level of at least one of almost blank subframes (ABSs) and non-ABSs, statistics regarding previously used traffic-to-pilot ratios (TPRs), a previously used TPR, statistics regarding a previously used modulation order, and a previously used modulation order. 
     
     
         36 . The apparatus of  claim 33 , wherein:
 the information further comprises one or more characteristics of a relay node; and   the non-serving cell is a donor eNB.   
     
     
         37 . The apparatus of  claim 36 , wherein the one or more characteristics of the relay node comprises at least one of a type of the donor eNB, loading information of the donor eNB, a resource allocation to the relay node, and a parameter indicating a backhaul quality of the relay node. 
     
     
         38 . The apparatus of  claim 33 , wherein the information indicates whether subframes from the non-serving cell are based on a legacy carrier type (LCT), a new carrier type (NCT), or the LCT and the NCT. 
     
     
         39 . The apparatus of  claim 17 , wherein the information indicates a narrowband region dedicated for machine type communication (MTC). 
     
     
         40 . The apparatus of  claim 33 , wherein the information indicates a time division multiplexing (TDM) partition between a new carrier type (NCT) and a legacy carrier type (LCT) in a subframe transmitted from the non-serving eNB. 
     
     
         41 . The apparatus of  claim 33 , wherein the information indicates whether a node configured for multi-user multiple-input multiple-output (MU-MIMO) is currently transmitting. 
     
     
         42 . The apparatus of  claim 33 , wherein the information indicates a cooperation set associated with a coordinated multi-point (CoMP) configuration. 
     
     
         43 . The apparatus of  claim 33 , wherein the information further comprises tunneled non-serving cell information used for performing a handover procedure. 
     
     
         44 . The apparatus of  claim 33 , wherein the information indicates loading information of different nodes and different radio access technologies (RATs) of a multi-flow configuration. 
     
     
         45 . The apparatus of  claim 33 , wherein the information indicates at least one of a multicast broadcast single frequency network (MBSFN) configuration of the non-serving cell and a multimedia broadcast multicast service (MBMS) configuration of the non-serving cell. 
     
     
         46 . The apparatus of  claim 33 , wherein the information indicates rate matching information for a physical downlink shared channel (PDSCH). 
     
     
         47 . The apparatus of  claim 33 , wherein the information indicates a traffic-to-pilot (TPR) variation of 16-quadrature amplitude modulation (QAM) or 64-QAM. 
     
     
         48 . The apparatus of  claim 33 , wherein the information indicates a configuration of positioning reference signals (PRS) implemented by the non-serving cell. 
     
     
         49 . A computer program product, comprising:
 a computer-readable medium comprising code for:
 receiving, from a serving evolved Node B (eNB), information comprising one or more transmission characteristics of at least one non-serving cell; and 
 performing at least one of interference cancellation, demodulation, or providing an improved channel quality indicator (CQI) based on the received information. 
   
     
     
         50 . The computer program product of  claim 49 , wherein the one or more transmission characteristics comprises one or more interference characteristics of the at least one non-serving cell. 
     
     
         51 . The computer program product of  claim 50 , wherein the one or more interference characteristics comprises at least one of a transmission mode, a recently used radio network temporary identifier (RNTI) value, an IC list, a carrier type, a carrier release, a virtual cell identification (ID), a control span, statistics regarding a loading level of at least one of almost blank subframes (ABSs) and non-ABSs, statistics regarding previously used traffic-to-pilot ratios (TPRs), a previously used TPR, statistics regarding a previously used modulation order, and a previously used modulation order.

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