Lte enhancements for small packet transmissions

Abstract

Disclosed in some examples is a method of wireless resource block assignment in a long term evolution wireless network including creating a downlink control information message for a user equipment, the downlink control information message comprising: a resource block assignment field which indicates up to N physical resource blocks scheduled to the user equipment by specifying an index into a plurality of all possible physical resource block allocations of between 1 and N resource blocks, wherein the resource block assignment field comprises at most a number of bits necessary to address all of the possible physical resource block allocations for assignments of 1 to N physical resource blocks, and wherein N is less than a total number of physical resource blocks; and sending the downlink control information over a physical downlink control channel using orthogonal frequency division multiplexing.

1 . An apparatus of user-equipment UE the apparatus comprising:
 memory and processing circuitry to:
 decode a resource block assignment message received from an eNodel 3  on a Physical Downlink Control Channel; 
 determine that the resource block assignment message is a small resource block assignment message, the small resource block assignment message containing a resource block assignment field, the resource block assignment field specifying up to a maximum number of scheduled physical resource blocks on a physical downlink shared channel which are allocated to the LIE, and wherein the resource block assignment field is an index into a plurality of all possible physical resource block allocations of between 1 and the maximum number of scheduled physical resource blocks, wherein the maximum number of scheduled physical resource blocks is less than a total number of physical resource blocks; 
 determine the one or more physical resource blocks on the Physical Downlink Control Channel which are assigned to the user-equipment based upon the resource block assignment field; and 
 decode data sent by the eNodeB on the one or more physical resource blocks. 
   
     
     
         2 . The apparatus of  claim 1 , wherein the data transmitted on the one or more physical resource blocks allocated to the user equipment comprises voice-over-intemet-protocol packets. 
     
     
         3 . The apparatus of  claim 1 , wherein the processino circuitry is configured to decode a User Equipment Specific Reference Signal and a Channel State Information Reference Signal. 
     
     
         4 . The apparatus of claim wherein the size of the resource block assignment field is at most a number of bits equal to the number of physical resource blocks in a resource block group, the resource block assignment field specifying the maximum number of scheduled physical resource blocks allocated to the user equipment with reference to the address of the Physical Downlink Control Channel. 
     
     
         5 . The apparatus of  claim 4 , wherein the size of the resource block assignment field is at most a number of bits equal to the number of physical resource blocks in a resource block group—1, the resource block assignment field specifying the maximum number of scheduled physical resource blocks allocated to the user equipment with reference to the address of an enhanced Physical Downlink Control Channel. 
     
     
         6 . The apparatus of  claim 1 , wherein the downlink control information message comprises a hybrid automatic repeat request (HARQ) process identification field with at most 1 bit. 
     
     
         7 . The apparatus of  claim 1 , wherein the downlink control information message does not contain information on one of: scrambling identification, antenna ports, and number of layers. 
     
     
         8 . The apparatus of  claim 1 , wherein the downlink control information message does not contain information on one of: modulation and coding scheme, new data indicator, and redundancy version. 
     
     
         9 . An apparatus of user-equipment (UE), the apparatus comprising:
 memory and processing circuitry to:
 decode a resource block assignment message received from eNodeB on a Physical Downlink Control Channel; 
 determine that the resource block assignment message is a small resource block assignment message, the small resource block assignment message containing a resource block assignment field, the resource block assignment field specifying up to a maximum number of scheduled physical resource blocks on a physical downlink shared channel which are allocated to the UE, and wherein the size of the resource block assignment field is at most a number of bits equal to the number of physical resource blocks in a resource block group, the resource block assignment field specifying the maximum number of scheduled physical resource blocks allocated to the user equipment with reference to the address of the Physical Downlink Control Channel; 
 determine the one or more physical resource blocks on the Physical Downlink Control Channel which are assigned to the user-equipment based upon the resource block assignment field; and 
 decode data sent by the eNodeB on the one or more physical resource blocks. 
   
     
     
         10 . The method of  claim 9 , wherein the data transmitted on the-one or more physical resource blocks allocated to the user equipment comprises voice-over-internet-protocol packets. 
     
     
         11 . The method of  claim 9 , further comprising receiving a User Equipment Specific Reference Signal and a Channel State Information Reference 
     
     
         12 . The method of  claim 9 , wherein the resource block assignment field specifies up to a maximum number of scheduled physical resource blocks on a physical downlink shared channel which are allocated to the UE, and wherein the resource block assignment field is an index into a plurality of all possible physical resource block allocations of between  1  and the maximum number of scheduled physical resource blocks, wherein the maximum number of scheduled resource blocks is less than a total number of physical resource blocks. 
     
     
         13 . The method of  claim 9 , wherein the size of the resource block assignment field is at most a number of bits equal to the number of physical resource blocks in a resource block group—1, the resource block assignment field specifying the maximum number of scheduled physical resource blocks allocated to the user equipment with reference to the address of an enhanced Physical Downlink Control Channel. 
     
     
         14 . The method of  claim 9 , wherein the downlink control information message comprises a hybrid automatic repeat request (HARQ) process identification field with at most 1 bit. 
     
     
         15 . The method of  claim 9 , wherein the downlink control information message does not contain information on one of: scrambling identification, antenna ports, and number of layers. 
     
     
         16 . The method of  claim 9 , wherein the downlink control information message does not contain information on one of: modulation and coding scheme, new data indicator, and redundancy version. 
     
     
         17 . A non-transitory machine readable medium that stores instructions, which when executed by one or more processors of a User Equipment (UE), cause the UE to perform operations to:
 receive a resource block assignment message from an eNodeB on a Physical Downlink Control Channel;   determine that the resource block assignment message is a small resource block assignment message, the small resource block assignment message containing a resource block assignment field, the resource block assignment field specifying up to a maximum number of scheduled physical resource blocks on a physical downlink shared channel which are allocated to the UE, and wherein the resource block assignment field is an index into a plurality of all possible physical resource block allocations of between  1  and the maximum number of scheduled physical resource blocks, wherein the maximum number of scheduled resource blocks is less than a total number of physical resource blocks;   determine the one or more physical resource blocks on the Physical Downlink Control Channel which are assigned to the user-equipment based upon the resource block assignment field; and   decode data sent by the eNodeB on the one or more physical resource blocks.   
     
     
         18 . The machine readable medium of  claim 17 , wherein the data transmitted on the one or more physical resource blocks allocated to the user equipment comprises voice-over-internet-protocol packets. 
     
     
         19 . The machine readable medium of  claim 17 , further comprising operations to decode a User Equipment Specific Reference Signal and a Channel State Information Reference Signal. 
     
     
         20 . The machine readable medium of  claim 17 , wherein the size of the resource block assignment field is at most a number of bits equal to the number of physical resource blocks in a resource block group, the resource block assignment field specifying the maximum number of scheduled physical resource blocks allocated to the user equipment with reference to the address of the Physical Downlink Control Channel. 
     
     
         21 . The machine readable medium of  claim 20 , wherein the size of the resource block assignment field is at most a number of bits equal to the number of physical resource blocks in a resource block group—1, the resource block assignment field specifying the maximum number of scheduled physical resource blocks allocated to the user equipment with reference to the address of an enhanced Physical Downlink Control Channel. 
     
     
         22 . The machine readable medium of  claim 17 , wherein the downlink control information message comprises a hybrid automatic repeat request (HARQ) process identification field with at most 1 bit. 
     
     
         23 . The machine readable medium of  claim 17 , wherein the downlink control information message does not contain information on one of: scrambling identification, antenna ports, and number of layers. 
     
     
         24 . The machine readable medium of  claim 17 , wherein the downlink control information message does not contain information on one of: modulation and coding scheme, new data indicator, and redundancy version.