Abstract
Embodiments of the present invention disclose a method user equipment base station and system for detecting sharing of a timing advance value relate to the field of communications technologies and solve a problem in the prior art that a normal service cannot be provided because a TA value cannot be shared between different uplink CCs. According to the embodiments of the present invention the user equipment may determine through a time offset between synchronization of downlink component carriers corresponding to uplink component carriers that a too large time offset indicates that a same TA value cannot be shared; the base station may calculate a TA value directly through a dedicated preamble sequence and then compares the TA value with a TA value of one of the component carriers where a too large difference between the TA values indicates that a same TA value cannot be shared.
Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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5G | 05/08/2019 | ISLD-201908-008 | HUAWEI |
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Specification Information
Specification Information
Technologies
Family Information
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US2013003682A1 | 5G | 05/08/2019 | ISLD-201908-008 | HUAWEI |
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US2013003682A1 | 4G | 26/10/2022 | ISLD-202210-036 | HUAWEI |
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AU2011226551A1 | 5G | 05/08/2019 | ISLD-201908-008 | HUAWEI |
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CN102196479A | 5G | 05/08/2019 | ISLD-201908-008 | HUAWEI |
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WO2011110090A1 | 5G | 05/08/2019 | ISLD-201908-008 | HUAWEI |
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Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
Synchronization
Product
Base Station (eNB/gNB)
Use Cases
Services
Claim
1. A method for detecting sharing of a timing advance value, the method comprising:
calculating, by a user equipment, a time offset between a downlink component carrier corresponding to at least one target uplink component carrier and a downlink component carrier corresponding to a predetermined uplink component carrier, wherein the downlink component carriers are adapted to carry wireless transmissions; and
sending, by the user equipment, an indication of the time offset between the downlink component carriers to a base station, the indication of the time offset configured to be used by the base station to identify which target uplink carriers are eligible to share timing advance values with the predetermined uplink component carrier, wherein target uplink component carriers with a time offset greater than a first predetermined threshold are deemed ineligible to share a timing advance value with the predetermined uplink component carrier, and wherein target uplink component carriers with a time offset less than or equal to the first predetermined threshold are deemed eligible to share a timing advance value with the predetermined uplink component carrier.
2. The method according to claim 1, wherein the predetermined uplink component carrier comprises a primary component carrier in one of a plurality of pre-configured uplink component carriers of the user equipment.
3. The method according to claim 1, wherein the target uplink component carrier comprises an uplink component carrier newly configured by the base station for the user equipment,
wherein the predetermined uplink component carrier comprises a pre-configured uplink component carrier of the user equipment, and
wherein the method further comprises:
before calculating the time offset, receiving a radio control resource connection reconfiguration message sent by the base station, wherein the radio control resource connection reconfiguration message comprises resource information of the newly configured uplink component carrier;
after receiving the indication of the time offset, recording, by the base station, the newly configured uplink component carrier which is successfully configured and with the time offset not greater than the first predetermined threshold; and
after receiving the indication of the time offset, canceling, by the base station, the newly configured uplink component carrier with the time offset greater than the first predetermined threshold.
4. The method according to claim 1, wherein the predetermined uplink component carrier comprises a first pre-configured uplink component carrier in a plurality of pre-configured uplink component carriers of the user equipment, wherein the target uplink component carrier comprises a second pre-configured uplink component carrier of the plurality of pre-configured uplink component carriers of the user equipment, the second pre-configured uplink component carrier being different than the first pre-configured uplink component carrier, and
wherein the method further comprises: after receiving the indication of the time offset, deleting, by the base station, configuration of the uplink component carrier with the time offset greater than the first predetermined threshold.
5. A method for detecting sharing of a timing advance value, the method comprising:
detecting, by a base station, a dedicated preamble sequence adopted by a random access procedure executed with a user equipment on at least one target uplink component carrier;
calculating, by the base station, a timing advance value of the target uplink component carrier according to the dedicated preamble sequence;
calculating, by the base station, a difference between the timing advance value of the target uplink component carrier and a timing advance value of a predetermined uplink component carrier;
determining, by the base station, that a target uplink component carrier with a difference greater than a second predetermined threshold cannot share a timing advance value with the predetermined uplink component carrier and/or a target uplink component carrier with a difference not greater than the second predetermined threshold can share a timing advance value with the predetermined uplink component carrier;
before detecting the dedicated preamble sequence;
newly configuring, by the base station, the target uplink component carrier for the user equipment,
sending, by the base station, a radio control resource connection reconfiguration message to the user equipment, wherein the radio control resource connection reconfiguration message comprises resource information of the target uplink component carrier;
executing the random access procedure with the user equipment on the target uplink component carrier;
receiving a radio control resource connection reconfiguration complete message sent by the user equipment; and
after determining that the target uplink component carrier with the difference greater than the second predetermined threshold cannot share the timing advance value with the predetermined uplink component carrier, deleting, by the base station, corresponding configuration of the target uplink component carrier with the difference greater than the second predetermined threshold.
6. The method according to claim 5, wherein the predetermined uplink component carrier comprises a primary component carrier in one of a plurality of pre-configured uplink component carriers of the user equipment.
7. The method according to claim 5, further comprising:
after determining that the target uplink component carrier with the difference not greater than the second predetermined threshold can share the timing advance value with the predetermined uplink component carrier, configuring, by the base station, the target uplink component carrier with the difference not greater than the second predetermined threshold.
8. A method for detecting sharing of a timing advance value, the method comprising:
detecting, by a base station, a dedicated preamble sequence adopted by a random access procedure executed with a user equipment on at least one target uplink component carrier;
calculating, by the base station, a timing advance value of the target uplink component carrier according to the dedicated preamble sequence;
calculating, by the base station, a difference between the timing advance value of the target uplink component carrier and a timing advance value of a predetermined uplink component carrier; and
determining, by the base station, that a target uplink component carrier with a difference greater than a second predetermined threshold cannot share a timing advance value with the predetermined uplink component carrier and/or a target uplink component carrier with a difference not greater than the second predetermined threshold can share a timing advance value with the predetermined uplink component carrier, wherein the predetermined uplink component carrier comprises one uplink component carrier of the already configured uplink component carriers of the user equipment, and the target uplink component carrier comprises an uplink component carrier of the already configured uplink component carriers of the user equipment except the one uplink component carrier, and
wherein before the detecting the dedicated preamble sequence, the method further comprises:
detecting, by the base station, data decoding on the target uplink component carrier;
when detecting that the data decoding on the target uplink component carrier fails, sending, by the base station, a radio control resource connection reconfiguration message to the user equipment, wherein the radio control resource connection reconfiguration message comprises resource information of the target uplink component carrier;
executing, by the base station, the random access procedure with the user equipment on the target uplink component carrier; and
receiving, by the base station, a radio control resource connection reconfiguration complete message sent by the user equipment.
9. The method according to claim 8, wherein, before the detecting the data decoding on the target uplink component carrier, the method further comprises:
detecting, by the base station, a timing advance adjustment value of the target uplink component carrier;
calculating, by the base station, an adjustment difference between the timing advance adjustment value of the target uplink component carrier and a timing advance adjustment value of the predetermined uplink component carrier;
determining, by the base station, that a target uplink component carrier with an adjustment difference greater than a third predetermined threshold cannot share a timing advance value with the predetermined uplink component carrier, and
deleting corresponding configuration of the target uplink component carrier with the adjustment difference greater than the third predetermined threshold,
wherein detecting the data decoding on the target uplink component carrier comprises: when none of adjustment differences corresponding to all the target uplink component carriers is greater than the third predetermined threshold, detecting the data decoding on the target uplink component carrier.
10. A user equipment, comprising:
a first calculating unit, configured to calculate a time offset between a downlink component carrier corresponding to at least one target uplink component carrier and a downlink component carrier corresponding to a predetermined uplink component carrier, wherein the downlink component carriers are adapted to carry wireless transmissions; and
a sending unit, configured to send an indication of the time offset between the downlink component carriers to a base station, the indication of the time offset configured to be used by the base station to identify which target uplink carriers are eligible to share timing advance values with the predetermined uplink component carrier, wherein target uplink component carriers with a time offset greater than a first predetermined threshold are deemed ineligible to share a timing advance value with the predetermined uplink component carrier, and wherein target uplink component carriers with a time offset less than or equal to the first predetermined threshold are deemed eligible to share a timing advance value with the predetermined uplink component carrier.
11. The user equipment according to claim 10, wherein the predetermined uplink component carrier comprises a primary component carrier in one of a plurality of pre-configured uplink component carriers of the user equipment.
12. The user equipment according to claim 10, wherein the target uplink component carrier comprises a newly configured uplink component carrier that was dynamically configured by the base station for the user equipment,
wherein the predetermined uplink component carrier comprises one of a plurality of pre-configured uplink component carrier of the user equipment,
wherein the user equipment further comprises: a receiving unit, configured to receive a radio control resource connection reconfiguration message sent by the base station before the time offset is calculated, wherein the radio control resource connection reconfiguration message comprises resource information of the newly configured uplink component carrier,
wherein the base station is configured to, after receiving the indication of the time offset, record the newly configured uplink component carrier which is successfully configured and is with the time offset not greater than the predetermined threshold, and
wherein the base station is further configured to, after receiving the indication of the time offset, cancel configuring the newly configured uplink component carrier with the time offset greater than the first predetermined threshold.
13. The user equipment according to claim 10, wherein the predetermined uplink component carrier comprises a first pre-configured uplink component carrier in a plurality of pre-configured uplink component carriers of the user equipment,
wherein the target uplink component carrier comprises a second pre-configured uplink component carrier of the plurality of pre-configured uplink component carriers of the user equipment, the second pre-configured uplink component carrier being different than the first pre-configured uplink component carrier, and
wherein the base station is further configured to, after receiving the indication of the time offset, delete corresponding configuration of the uplink component carrier with the time offset greater than the first predetermined threshold.
14. The method according to claim 5, further comprising:
before detecting the dedicated preamble sequence, newly configuring, by the base station, the target uplink component carrier for the user equipment; and
after determining that target uplink component carrier with the difference not greater than the second predetermined threshold can share the timing advance value with the predetermined uplink component carrier, recording and using the target uplink component carrier with the difference not greater than the second predetermined threshold.
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.