Method, device and computer readable medium for PRACH sequence generation
AssigneeNEC Corporation
InventorsLin Liang, Gang Wang
Life of this patent
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Abstract
Embodiments of the present disclosure relate to method, device and computer readable medium for physical random access channel sequence generation. In example embodiments, a method includes determining an index of a cyclic shift for a root sequence. The method further includes determining a value of the cyclic shift based on a mapping between indices and cyclic shift values. The method further includes generating a random access preamble based on the root sequence and the value of the cyclic shift.
Claims8
A terminal comprising a processor configured to:
- receive, from a network device, an indication of an index of a cyclic shift of a root sequence;
- and
- generate a random access preamble based on the root sequence and a value of the cyclic shift, wherein
- indices including the index are mapped to cyclic shift values including the value, and
- the index corresponds to the value, wherein
- a length of the root sequence is 571, ΔfRA for a physical random access channel (PRACH) is 30, Δf for an uplink shared channel (PUSCH) is 30, NRBRA is 48 and k is 2.
A network device comprising a processor configured to:
- transmit, to a terminal, an indication of an index of a cyclic shift of a root sequence;
- and
- receive, from the terminal, a random access preamble generated based on the root sequence and a value of the cyclic shift, wherein
- indices including the index are mapped to cyclic shift values including the value, and
- the index corresponds to the value, wherein
- a length of the root sequence is 571, ΔfRA for a physical random access channel (PRACH) is 30, Δf for an uplink shared channel (PUSCH) is 30, NRBRA is 48 and k is 2.
A method comprising:
- receiving an indication of an index of a cyclic shift of a root sequence;
- and
- generating a random access preamble based on the root sequence and a value of the cyclic shift, wherein
- indices including the index are mapped to cyclic shift values including the value, and
- the index corresponds to the value, wherein
- a length of the root sequence is 571, ΔfRA for a physical random access channel (PRACH) is 30, Δf for an uplink shared channel (PUSCH) is 30, NRBRA 48 and k is 2.
A method comprising:
- transmitting an indication of an index of a cyclic shift of a root sequence;
- and
- receiving a random access preamble generated based on the root sequence and a value of the cyclic shift, wherein
- indices including the index are mapped to cyclic shift values including the value, and
- the index corresponds to the value, wherein
- a length of the root sequence is 571, ΔfRA for a physical random access channel (PRACH) is 30, Δf for an uplink shared channel (PUSCH) is 30, NRBRA is 48 and k is 2.
Dependencies are inferred from the claim text.