Preamble sequence transmission method, apparatus, and system
AssigneeHuawei Technologies Co., Ltd.
InventorsJinhuan Xia, Yongxia Lyu
Life of this patent
Estimating the term…
Abstract
Embodiments of the present invention provide a preamble sequence transmission method, apparatus, and system. The method includes: acquiring system information or a physical broadcast channel (PBCH) that is broadcast by a base station, wherein the system information or the PBCH comprises a preset physical random access channel (PRACH) that comprises m preset radio frames and a number of repetition times of a preamble sequence n, which is used for random access, m being a positive integer and wherein 1≤n≤10 m; and sending the preamble sequence to the base station, the preamble sequence being sent at n preset resource locations of the preset PRACH, where the preamble sequence is the format of 1 ms, or the format of 2 ms, or the format of 3 ms.
Claims9
A method, comprising:
- acquiring system information that is broadcast by a base station, wherein the system information comprises configuration information of a preset physical random access channel (PRACH) that comprises m preset radio frames and a number of repetition times of a preamble sequence, which is used for random access, wherein m is a positive integer;
- and
- sending the preamble sequence to the base station, the preamble sequence being sent at n preset resource locations of the preset PRACH, wherein the preamble sequence is a format of 1 ms, or a format of 2 ms, or a format of 3 ms, and 1<n≤10 m;
- wherein, after sending the preamble sequence, and when no response message is received from the base station, the method further comprises re-sending the preamble sequence to the base station, the preamble sequence being re-sent at p preset resource locations of the preset PRACH, wherein p>n.
A user equipment, comprising:
- a receiver, configured to receive system information that is broadcast by a base station, wherein the system information comprises configuration information of a preset physical random access channel (PRACH) that comprises m preset radio frames and a number of repetition times of a preamble sequence-n, which is used for random access, m being a positive integer;
- and
- a transmitter, configured to:
- transmit, at n preset resource locations of the preset PRACH, the preamble sequence to the base station, wherein the preamble sequence is a format of 1 ms, or a format of 2 ms, or a format of 3 ms, and wherein 1<n≥10 m;
- and
- after transmitting, at the n preset resource locations of the preset PRACH, the preamble sequence to the base station, and when no response message is received by the receiver from the base station, re-transmit, at p preset resource locations of the preset PRACH, the preamble sequence to the base station, wherein p>n.
A non-transitory computer-readable storage medium comprising instructions which, when executed by a computer in a user equipment, causes the user equipment to:
- acquire system information that is broadcast by a base station, wherein the system information comprises configuration information of a preset physical random access channel (PRACH) that comprises m preset radio frames and a number of repetition times of a preamble sequence, which is used for random access, wherein m is a positive integer;
- and
- sending the preamble sequence to the base station, the preamble sequence being sent at n preset resource locations of the preset PRACH, wherein the preamble sequence is a format of 1 ms, or a format of 2 ms, or a format of 3 ms, and wherein 1<n≤10 m;
- after sending the preamble sequence to the base station at the n preset resource locations of the preset PRACH, and when no response message is received from the base station, re-sending the preamble sequence to the base station, the preamble sequence being re-sent at p preset resource locations of the preset PRACH, wherein p>n.
Dependencies are inferred from the claim text.