ENodeB, user equipment and wireless communication method
Provided are an eNB, a UE and wireless communication methods. A UE according to an embodiment of the present disclosure can comprise circuitry operative to determine valid transmission time interval(s) (TTI(s)) for a physical channel in a subframe based on the resource element (RE) number of each TTI in the subframe; and a receiver operative to receive the physical channel in one or more of the valid TTI(s) by blindly decoding part or all of the valid TTI(s), wherein each TTI comprises 1-7 orthogonal frequency division multiplexing (OFDM) symbols.
1 . An integrated circuit to control a process, the process comprising:
receiving a bitmap indicating one or more candidates of transmission time interval (TTI) among a plurality of TTIs configurable in 14 symbols, each of the one or more candidates of TTI is less than 14 symbols; and
blindly decoding a physical control channel in the one or more candidates based on the bitmap.
2 . The integrated circuit according to claim 1 , comprising:
circuitry which, in operation, controls the process;
at least one input coupled to the circuitry, wherein the at least one input, in operation, inputs data; and
at least one output coupled to the circuitry, wherein the at least one output, in operation, outputs data.
3 . The integrated circuit according to claim 1 , wherein a length of the TTI is variable, and a size of the bitmap is constant for all of different lengths of the TTI.
4 . The integrated circuit according to claim 1 , wherein a size of the bitmap is equal to the largest one of numbers of the plurality of TTIs configurable in the 14 symbols.
5 . The integrated circuit according to claim 1 , wherein a size of the bitmap is 14 bits.
6 . The integrated circuit according to claim 1 , wherein the receiving includes receiving the bitmap in a radio resource control (RRC) or a medium access control (MAC).
7 . The integrated circuit according to claim 1 , wherein a length of the TTI is specific to a user equipment.
8 . The integrated circuit according to claim 1 , wherein a length of the TTI depends on coverage of a user equipment.
9 . The integrated circuit according to claim 1 , wherein the one or more candidates of the TTI is based on a configuration of a reference signal.
10 . An integrated circuit comprising:
reception circuitry, which, in operation, controls reception of a bitmap indicating one or more candidates of transmission time interval (TTI) among a plurality of TTIs configurable in 14 symbols, each of the one or more candidates of TTI is less than 14 symbols; and
processing circuitry, which, in operation, blindly decodes a physical control channel in the one or more candidates based on the bitmap.
11 . The integrated circuit according to claim 10 , comprising:
at least one input coupled to the reception circuitry and the processing circuitry, wherein the at least one input, in operation, inputs data; and
at least one output coupled to the reception circuitry and the processing circuitry, wherein the at least one output, in operation, outputs data.
12 . The integrated circuit according to claim 10 , wherein a length of the TTI is variable, and a size of the bitmap is constant for all of different lengths of the TTI.
13 . The integrated circuit according to claim 10 , wherein a size of the bitmap is equal to the largest one of numbers of the plurality of TTIs configurable in the 14 symbols.
14 . The integrated circuit according to claim 10 , wherein a size of the bitmap is 14 bits.
15 . The integrated circuit according to claim 10 , wherein the reception includes reception of the bitmap in a radio resource control (RRC) or a medium access control (MAC).
16 . The integrated circuit according to claim 10 , wherein a length of the TTI is specific to a user equipment.
17 . The integrated circuit according to claim 10 , wherein a length of the TTI depends on coverage of a user equipment.
18 . The integrated circuit according to claim 10 , wherein the one or more candidates of the TTI is based on a configuration of a reference signal.