Abstract
Techniques for performing inter-frequency and/or inter-radio access technology (RAT) measurements are disclosed. A multi-receiver wireless transmit/receive unit (WTRU) may receive downlink transmissions via a plurality of downlink carriers simultaneously. The WTRU may perform inter-frequency and/or inter-RAT measurements using an inactive receiver without measurement gaps if at least one receiver is inactive. If the WTRU receives a measurement order on a disabled carrier the WTRU may perform measurements on the disabled carrier without measurement gaps using an inactive receiver while maintaining a status of the disabled carrier as disabled. The WTRU may perform the measurements autonomously if a trigger condition is met and at least one receiver is inactive. If all receivers are active the WTRU may perform the measurements using measurement gaps that may be configured on a downlink carrier or alternatively on an unpaired downlink carrier or alternatively on a subset of associated downlink uplink carrier pairs.
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3G | 31/10/2011 | ISLD-201109-010 | INTERDIGITAL INC |
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US2011105112A1 | 3G | 31/10/2011 | ISLD-201109-010 | INTERDIGITAL INC |
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US8526888B2 | 3G | 31/10/2011 | ISLD-201109-010 | INTERDIGITAL INC |
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WO2011041662A1 | 3G | 31/10/2011 | ISLD-201109-010 | INTERDIGITAL INC |
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TW201115948A | 3G | 31/10/2011 | ISLD-201109-010 | INTERDIGITAL INC |
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TWI504180B | 3G | 31/10/2011 | ISLD-201109-010 | INTERDIGITAL INC |
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EP2484149A1 | 3G | 31/10/2011 | ISLD-201109-010 | INTERDIGITAL INC |
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KR101632098B1 | 3G | 31/10/2011 | ISLD-201109-010 | INTERDIGITAL INC |
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KR20120096475A | 3G | 31/10/2011 | ISLD-201109-010 | INTERDIGITAL INC |
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JP2013507068A | 3G | 31/10/2011 | ISLD-201109-010 | INTERDIGITAL INC |
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JP5560340B2 | 3G | 31/10/2011 | ISLD-201109-010 | INTERDIGITAL INC |
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CN102598773A | 3G | 31/10/2011 | ISLD-201109-010 | INTERDIGITAL INC |
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CN102598773B | 3G | 31/10/2011 | ISLD-201109-010 | INTERDIGITAL INC |
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JP2014207691A | 3G | 31/10/2011 | ISLD-201109-010 | INTERDIGITAL INC |
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JP5837647B2 | 3G | 31/10/2011 | ISLD-201109-010 | INTERDIGITAL INC |
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US2013329589A1 | 3G | 31/10/2011 | ISLD-201109-010 | INTERDIGITAL INC |
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US2015358849A1 | 3G | 31/10/2011 | ISLD-201109-010 | INTERDIGITAL INC |
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CN105357695A | 3G | 31/10/2011 | ISLD-201109-010 | INTERDIGITAL INC |
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JP2016034148A | 3G | 31/10/2011 | ISLD-201109-010 | INTERDIGITAL INC |
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Claim
1. A method implemented in a multi-receiver wireless transmit/receive unit (WTRU) for performing inter-frequency and/or inter-radio access technology (RAT) measurements, the method comprising:
determining whether to use either an inactive receiver or measurement gaps for inter-frequency and/or inter-RAT measurements based on an activation status of carriers at a physical layer; and
performing inter-frequency and/or inter-RAT measurements using either an inactive receiver or measurement gaps based on the determination.
2. The method of claim 1 wherein the inter-frequency and/or inter-RAT measurements are performed using an inactive receiver without configuring measurement gaps on a condition that at least one inactive receiver is available.
3. The method of claim 2 wherein the inter-frequency and/or inter-RAT measurements are scheduled autonomously by the WTRU.
4. The method of claim 1 further comprising:
receiving a measurement order on a disabled carrier, wherein the inter-frequency and/or inter-RAT measurements are performed using an inactive receiver on the disabled carrier without measurement gaps while maintaining a status of the disabled carrier as disabled at the physical layer.
5. The method of claim 1 wherein the inter-frequency and/or inter-RAT measurements are performed using measurement gaps on a condition that there is no inactive receiver available.
6. The method of claim 5 wherein the measurement gaps are configured on a downlink carrier and not on an uplink carrier.
7. The method of claim 5 wherein the measurement gaps are configured on an unpaired downlink carrier and not on a paired downlink carrier.
8. The method of claim 5 wherein the measurement gaps are configured on a subset of associated downlink-uplink carrier pairs.
9. The method of claim 1 further comprising:
determining whether a trigger condition for the inter-frequency and/or inter-RAT measurements is met, wherein the inter-frequency and/or inter-RAT measurements are performed on a condition that the trigger condition is met.
10. The method of claim 1 further comprising:
detecting a home Node-B (HNB) cell or a home evolved HNB (eHNB) cell;
sending a proximity indication on a condition that an identity of the detected HNB or eHNB cell is in a list that the WTRU received from a network; and
performing the inter-frequency and/or inter-RAT measurements on a frequency carrier or an RAT of the detected HNB or eHNB cell.
11. A multi-receiver wireless transmit/receive unit (WTRU) for performing inter-frequency and/or inter-radio access technology (RAT) measurements, the WTRU comprising:
a receiver configured to receive via at least two downlink carriers simultaneously; and
a processor configured to determine whether to use either an inactive receiver or measurement gaps for inter-frequency and/or inter-RAT measurements based on an activation status of carriers at a physical layer, and perform inter-frequency and/or inter-RAT measurements using either an inactive receiver or measurement gaps based on the determination.
12. The WTRU of claim 11 wherein the processor is configured to perform the inter-frequency and/or inter-RAT measurements using an inactive receiver without configuring measurement gaps on a condition that at least one inactive receiver is available.
13. The WTRU of claim 12 wherein the processor is configured to schedule the inter-frequency and/or inter-RAT measurements autonomously.
14. The WTRU of claim 11 wherein the processor is configured to receive a measurement order on a disabled carrier, and perform the inter-frequency and/or inter-RAT measurements using an inactive receiver on the disabled carrier without measurement gaps while maintaining a status of the disabled carrier as disabled at the physical layer.
15. The WTRU of claim 11 wherein the processor is configured to perform the inter-frequency and/or inter-RAT measurements using measurement gaps on a condition that there is no inactive receiver available.
16. The WTRU of claim 15 wherein the measurement gaps are configured on a downlink carrier and not on an uplink carrier.
17. The WTRU of claim 15 wherein the measurement gaps are configured on an unpaired downlink carrier and not on a paired downlink carrier.
18. The WTRU of claim 15 wherein the measurement gaps are configured on a subset of associated downlink uplink carrier pairs.
19. The WTRU of claim 11 wherein the processor is configured to determine whether a trigger condition for the inter-frequency and/or inter-RAT measurements is met, and perform the inter-frequency and/or inter-RAT measurements on a condition that the trigger condition is met.
20. The WTRU of claim 11 wherein the processor is configured to detect a home Node-B (HNB) cell or a home evolved HNB (eHNB) cell, send a proximity indication on a condition that an identity of the detected HNB or eHNB cell is in a list that the WTRU received from a network, and perform the inter-frequency and/or inter-RAT measurements on a frequency carrier or an RAT of the detected HNB or eHNB cell.
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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.