Abstract
A method for detecting an uplink signal includes: detecting by a micro base station according to configuration information about an uplink signal sent by a UE whether the uplink signal is received in an uplink receive window of a macro base station where the macro base station and the micro base station have synchronized clock rates there is a fixed time difference t1 between the uplink receive window of the macro base station and an uplink receive window of the micro base station and ,t1,?0; and if it is detected that the uplink signal is not received in the uplink receive window of the macro base station after the micro base station advances the uplink receive window of the macro base station by a length of at least one cyclic prefix detecting by the micro base station the uplink signal and sending the uplink signal to the macro base station.
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Specification Information
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Technologies
Synchronization
Product
User Equipment (UE/Terminal)
Use Cases
Services
Claim
1. A method for detecting an uplink signal, comprising:
receiving, by a first base station, configuration information of a terminal device sent by a second base station, the first and second base stations having synchronized clock rates, the first base station having a first uplink receive window, the second base station having a second uplink receive window with a fixed time difference t1 between the first and second uplink receive windows, and |t1|?0;
detecting, by the first base station, an uplink signal sent by the terminal device according to the configuration information of the uplink signal;
sending, by the first base station, the uplink signal or relevant information about the uplink signal to the second base station; and
upon detecting that the uplink signal is not received in the second uplink receive window, again detecting, by the first base station, the uplink signal, after the first base station advances the second uplink receive window of the second base station by a length of at least one cyclic prefix.
2. The method according to claim 1, wherein the relevant information about the uplink signal comprises an identifier of the terminal device.
3. The method according to claim 1, wherein the configuration information comprises one or more of: sending time, a hopping sequence, and a sending resource used for sending the uplink signal.
4. The method according to claim 1, wherein the uplink signal comprises one or more of: an uplink sounding reference signal, an uplink preamble, and an uplink demodulation reference signal.
5. A method for detecting an uplink signal, comprising:
sending, by a first base station, configuration information of a terminal device to a second base station, the first and second base stations having synchronized clock rates, the first base station having a first uplink receive window, the second base station having a second uplink receive window with a fixed time difference t1 between the first and second uplink receive windows, and |t1|?0;
receiving, by the first base station, at least relevant information about the uplink signal from the second base station, wherein the uplink signal is detected by the first base station according to the configuration information of the uplink signal;
detecting, by the first base station, the user terminal causing interference based on the relevant information about the uplink signal; and
upon detecting that the uplink signal is not received in the second uplink receive window, again detecting, by the first base station, the uplink signal, after the first base station advances the second uplink receive window of the second base station by a length of at least one cyclic prefix.
6. The method according to claim 5, wherein the relevant information about the uplink signal comprises an identifier of the terminal device.
7. The method according to claim 5, wherein the configuration information comprises sending frequency of the uplink signal.
8. The method according to claim 5, wherein the configuration information comprises one or more of: sending time, a hopping sequence, and a sending resource used for sending the uplink signal.
9. The method according to claim 5, wherein the uplink signal comprises one or more of: an uplink sounding reference signal, an uplink preamble, and an uplink demodulation reference signal.
10. A first base station in communication with a second base station, the first and second base stations having synchronized clock rates, the first base station having a first uplink receive window, the second base station having a second uplink receive window with a fixed time difference t1 between the first and second uplink receive windows, and |t1|?0, comprising:
a non-transitory computer-readable medium configured for storing processor-executable instructions; and
at least one processor, configured to execute the processor-executable instructions to perform a process including:
receiving, by the first base station, configuration information of a terminal device sent by the second base station;
detecting, by the first base station, an uplink signal sent by the terminal device according to the configuration information of the uplink signal;
sending, by the first base station, the uplink signal or relevant information about the uplink signal to the second base station; and
upon detecting that the uplink signal is not received in the second uplink receive window, again detecting, by the first base station, the uplink signal, after the first base station advances the second uplink receive window of the second base station by a length of at least one cyclic prefix.
11. The base station according to claim 10, wherein the relevant information about the uplink signal comprises an identifier of the terminal device.
12. The base station according to claim 10, wherein the configuration information comprises sending frequency of the uplink signal.
13. The base station according to claim 10, wherein the configuration information comprises one or more of: sending time, a hopping sequence, and a sending resource used for sending the uplink signal.
14. The base station according to claim 10, wherein the uplink signal comprises one or more of: an uplink sounding reference signal, an uplink preamble, and an uplink demodulation reference signal.
Associated Portfolios
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SUMMARY
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
The information in grey was provided by the patent holder
The information in purple was extracted from the FrandAvenue
Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
Family member:related patents or applications that share a common priority or original filing.