Signal processing method and device

Patent metadata

Field	Value
Publication number	US-10382187-B2
Application number	US-201815918773-A
Country	US
Kind code	B2
Filing date	Mar 12, 2018
Priority date	Dec 27, 2012
Publication date	Aug 13, 2019
Grant date	Aug 13, 2019

Abstract

A signal processing method and device is disclosed. The method includes: sending a first data signal and receiving a second data signal in a first RB of a time unit; and further sending a first reference signal according to first reference information and receiving a second reference signal according to second reference information in the first RB, where: the first reference information is different from the second reference information; the first reference information includes: a time-frequency resource location occupied by the first reference signal, and sequence information of the first reference signal; and the second reference information includes: a time-frequency resource location occupied by the second reference signal, and sequence information of the second reference signal.

First claim

What is claimed is:

1. A signal processing method, comprising:
sending a first data signal and receiving a second data signal in a first resource block (RB) of a time unit;
sending a first reference signal according to first reference information and receiving a second reference signal according to second reference information in the first RB, wherein the first reference signal is for demodulating the first data signal, the second reference signal is for demodulating the second data signal, and the first reference information is different from the second reference information;
wherein the first reference information comprises:
a time-frequency resource location occupied by the first reference signal, and sequence information of the first reference signal; and

wherein the second reference information comprises:
a time-frequency resource location occupied by the second reference signal, and sequence information of the second reference signal.

2. The signal processing method according to claim 1 , wherein the time-frequency resource location occupied by the first reference signal is the same as the time-frequency resource location occupied by the second reference signal, and the sequence information of the first reference signal is different from the sequence information of the second reference signal.

3. The signal processing method according to claim 1 , wherein the time-frequency resource location occupied by the first reference signal is different from the time-frequency resource location occupied by the second reference signal.

4. The signal processing method according to claim 2 , wherein sending a first data signal and receiving a second data signal uses time-frequency resources other than the time-frequency resource locations occupied by the first reference signal and the second reference signal.

5. The signal processing method according to claim 1 , wherein the first reference information and the second reference information are preset.

6. The signal processing method according to claim 1 , wherein before sending a first data signal and receiving a second data signal, the method further comprises:
receiving at least one piece of the following information sent by a base station:
the time-frequency resource location occupied by the first reference signal, the sequence information of the first reference signal, the time-frequency resource location occupied by the second reference signal, and the sequence information of the second reference signal.

7. The signal processing method according to claim 6 , wherein:
the sequence information of the first reference signal received from the base station is a cyclic shift of a sequence of the first reference signal, and after receiving the cyclic shift of the sequence of the first reference signal from the base station, the method further comprises:
obtaining a cyclic shift of a sequence of the second reference signal by calculation according to the cyclic shift of the sequence of the first reference signal and preset relationship information; or

the sequence information of the second reference signal received from the base station is a cyclic shift of a sequence of the second reference signal, and after receiving the cyclic shift of the sequence of the second reference signal from the base station, the method further comprises:
obtaining a cyclic shift of a sequence of the first reference signal by calculation according to the cyclic shift of the sequence of the second reference signal and preset relationship information; or

the time-frequency resource location occupied by the first reference signal is received from the base station, and after receiving the time-frequency resource location occupied by the first reference signal, the method further comprises:
obtaining the time-frequency resource location occupied by the second reference signal by calculation according to the time-frequency resource location occupied by the first reference signal and preset relationship information; or

the time-frequency resource location occupied by the second reference signal is received from the base station, and after receiving the time-frequency resource location occupied by the second reference signal, the method further comprises:
obtaining the time-frequency resource location occupied by the first reference signal by calculation according to the time-frequency resource location occupied by the second reference signal and preset relationship information.

8. A signal processing device, comprising:
a processor;
memory coupled to the processor, the memory comprising instructions that, when executed by the processor, cause the signal processing device to:
send a first data signal and receive a second data signal in a first resource block (RB) of a time unit,
send a first reference signal according to first reference information and receive a second reference signal according to second reference information in the first RB, wherein the first reference signal is for demodulating the first data signal, the second reference signal is for demodulating the second data signal, and the first reference information is different from the second reference information, and
demodulate the second data signal according to the second reference signal;

wherein the first reference information comprises:
a time-frequency resource location occupied by the first reference signal, and sequence information of the first reference signal; and

wherein the second reference information comprises:
a time-frequency resource location occupied by the second reference signal, and sequence information of the second reference signal.

9. The signal processing device according to claim 8 , wherein the time-frequency resource location occupied by the first reference signal is the same as the time-frequency resource location occupied by the second reference signal, and the sequence information of the first reference signal is different from the sequence information of the second reference signal.

10. The signal processing device according to claim 8 , wherein the time-frequency resource location occupied by the first reference signal is different from the time-frequency resource location occupied by the second reference signal.

11. The signal processing device according to claim 9 , wherein the memory further comprises instructions that, when executed by the processor, cause the signal processing device to:
send the first data signal and receive the second data signal by using time-frequency resources other than the time-frequency resource locations occupied by the first reference signal and the second reference signal.

12. The signal processing device according to claim 8 , wherein when the signal processing device is a user equipment, the memory further comprises instructions that, when executed by the processor, cause the signal processing device to receive at least one piece of the following information sent by a base station:
the time-frequency resource location occupied by the first reference signal, the sequence information of the first reference signal, the time-frequency resource location occupied by the second reference signal, and the sequence information of the second reference signal.

13. The signal processing device according to claim 12 , wherein:
the sequence information of the first reference signal received by the signal processing device from the base station is a cyclic shift of a sequence of the first reference signal, or
the sequence information of the second reference signal received by the signal processing device from the base station is a cyclic shift of a sequence of the second reference signal, or

Assignees

• Huawei Tech Co Ltd

Inventors

• Zhang Wen
• Lyu Yongxia

Classifications

• H04L5/0092

  Indication of how the channel is divided · CPC title

• H04L5/0091

  Signalling for the administration of the divided path, e.g. signalling of configuration information · CPC title

• H04L5/0048

  Allocation of pilot signals, i.e. of signals known to the receiver (allocation of control signalling H04L5/0053; use of control signalling H04L5/0091) · CPC title

• H04L5/00

  Arrangements affording multiple use of the transmission path · CPC title

• H04B2001/71563

  Acquisition · CPC title