Data sending method, base station, and terminal device

A method for receiving random access signals, performed by a base station, comprising:

• sending frequency hopping pattern information to a terminal device, wherein the frequency hopping pattern information indicates frequencies to be used by the terminal device in sending a random access signal within one or more time units over a random access channel;
• receiving the random access signal sent by the terminal device using a first frequency within a first time unit;
• receiving the random access signal sent by the terminal device using a second frequency within a second time unit;
• receiving the random access signal sent by the terminal device using a third frequency within a third time unit;
• receiving the random access signal sent by the terminal device using a fourth frequency within a fourth time unit;
• wherein the first time unit, the second time unit, the third time unit, and the fourth time unit are consecutive or discrete time units;
• wherein the first frequency, the second frequency, the third frequency, and the fourth frequency depend on one or more of:
• a base frequency f0, a first frequency hopping interval Δf1, or a second frequency hopping interval Δf2, and Δf1<Δf2;
• wherein
• the first frequency is f0, the second frequency is “f0+Δf1”, the third frequency is “f0+Δf1+Δf2”, and the fourth frequency is “f0+Δf2”;
• or
• the first frequency is f0, the second frequency is “f0+Δf1”, the third frequency is “f0+Δf1−Δf2”, and the fourth frequency is “f0−Δf2”;
• or
• the first frequency is f0, the second frequency is “f0−Δf1”, the third frequency is “f0+Δf2−Δf1”, and the fourth frequency is “f0+Δf2”;
• or
• the first frequency is f0, the second frequency is “f0−Δf1”, the third frequency is “f0−Δf1−Δf2”, and the fourth frequency is “f0−Δf2”.

A terminal device, comprising:

• at least one processor, and a memory storing computer-executable instructions;
• wherein the computer-executable instructions, when executed by the at least one processor, cause the terminal device to:
• receive frequency hopping pattern information from a base station, wherein the frequency hopping pattern information indicates frequencies to be used by the terminal device in sending a random access signal within one or more time units;
• send the random access signal to the base station by using a first frequency within a first time unit on a random access channel;
• send the random access signal to the base station by using a second frequency within a second time unit on the random access channel;
• send the random access signal to the base station by using a third frequency within a third time unit on the random access channel;
• and
• send the random access signal to the base station by using a fourth frequency within a fourth time unit on the random access channel;
• wherein the first time unit, the second time unit, the third time unit, and the fourth time unit are consecutive or discrete time units;
• wherein the first frequency, the second frequency, the third frequency, and the fourth frequency depend on one or more of:
• a base frequency f0, a first frequency hopping interval Δf1, or a second frequency hopping interval Δf2, and Δf1<Δf2;
• wherein
• the first frequency is f0, the second frequency is “f0+Δf1”, the third frequency is “f0+Δf1+Δf2”, and the fourth frequency is “f0+Δf2”;
• or
• the first frequency is f0, the second frequency is “f0+Δf1”, the third frequency is “f0+Δf1−Δf2”, and the fourth frequency is “f0−Δf2”;
• or
• the first frequency is f0, the second frequency is “f0−Δf1”, the third frequency is “f0+Δf2−Δf1”, and the fourth frequency is “f0+Δf2”;
• or
• the first frequency is f0, the second frequency is “f0−Δf1”, the third frequency is “f0−Δf1−Δf2”, and the fourth frequency is “f0−Δf2”.

A base station, comprising:

• at least one processor, and a memory storing computer-executable instructions;
• wherein the computer-executable instructions, when executed by the at least one processor, cause the base station to:
• send frequency hopping pattern information to a terminal device, wherein the frequency hopping pattern information indicates frequencies to be used by the terminal device in sending a random access signal within one or more time units over the random access channel;
• receive the random access signal sent by the terminal device using a first frequency within a first time unit;
• receive the random access signal sent by the terminal device using a second frequency within a second time unit;
• receive the random access signal sent by the terminal device using a third frequency within a third time unit;
• receive the random access signal sent by the terminal device using a fourth frequency within a fourth time unit;
• wherein the first time unit, the second time unit, the third time unit, and the fourth time unit are consecutive or discrete time units;
• wherein the first frequency, the second frequency, the third frequency, and the fourth frequency depend on one or more of:
• a base frequency f0, a first frequency hopping interval Δf1, or a second frequency hopping interval Δf2, and Δf1<Δf2;
• wherein
• the first frequency is f0, the second frequency is “f0+Δf1”, the third frequency is “f0+Δf1+Δf2”, and the fourth frequency is “f0+Δf2”;
• or
• the first frequency is f0, the second frequency is “f0+Δf1”, the third frequency is “f0+Δf1−Δf2”, and the fourth frequency is “f0−Δf2”;
• or
• the first frequency is f0, the second frequency is “f0−Δf1”, the third frequency is “f0+Δf2−Δf1”, and the fourth frequency is “f0+Δf2”;
• or
• the first frequency is f0, the second frequency is “f0−Δf1”, the third frequency is “f0−Δf1−Δf2”, and the fourth frequency is “f0−Δf2”.