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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| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
| 3G | 30/10/2011 | ISLD-201109-010 | INTERDIGITAL INC |
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Specification Information
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Technologies
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| US2011105112A1 | 3G | 30/10/2011 | ISLD-201109-010 | INTERDIGITAL INC |
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| US8526888B2 | 3G | 30/10/2011 | ISLD-201109-010 | INTERDIGITAL INC |
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| JP2013507068A | 3G | 30/10/2011 | ISLD-201109-010 | INTERDIGITAL INC |
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| US2015358849A1 | 3G | 30/10/2011 | ISLD-201109-010 | INTERDIGITAL INC |
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| CN105357695A | 3G | 30/10/2011 | ISLD-201109-010 | INTERDIGITAL INC |
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Technologies
Multiple access
Product
Use Cases
Wireless communication
Services
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:', 'receiving a downlink transmission using at least one of a plurality of receivers; and', 'performing inter-frequency and/or inter-RAT measurements using an inactive receiver without measurement gaps.
2. The method of claim 1 further comprising:', 'receiving a measurement order on a disabled carrier; and', 'performing inter-frequency and/or inter-RAT measurements using an inactive receiver on a disabled carrier without measurement gaps while maintaining a status of the disabled carrier as disabled at a physical layer.
3. The method of claim 1 further comprising:', 'receiving an activation order for activating a carrier;', 'activating downlink reception and/or uplink transmission on the activation- ordered carrier; and', 'performing inter-frequency and/or inter-RAT measurements with measurement gaps on a condition that there is no inactive receiver.
4. The method of claim 3 wherein the measurement gaps are configured on a downlink carrier and not on an uplink carrier.
5. The method of claim 3 wherein the measurement gaps are configured on an unpaired downlink carrier and not on a paired downlink carrier.', '-27-1401778-1
6. The method of claim 3 wherein the measurement gaps are configured on a subset of associated downlink uplink carrier pairs.
7. The method of claim 1 further comprising:', 'determining whether a trigger condition for the inter-frequency and/or inter-RAT measurements is met; and', 'performing the inter-frequency and/or inter-RAT measurements autonomously on a condition that the trigger condition is met and at least one receiver is inactive.
8. The method of claim 7 further comprising:', 'receiving anactivation order for a carrier; and', 'stopping the autonomous inter-frequency/inter-RAT measurements on the activation- ordered carrier, activating downlink reception and/or uplink transmission on the activation-ordered carrier, and performing inter- frequency and/or inter-RAT measurements with measurement gaps on a condition that there is no additional inactive receiver or an additional inactive receiver is not capable of working on the activation- ordered carrier.
9. The method of claim 8 further comprising:', 'stopping the autonomous inter-frequency and/or inter-RAT measurements on the activation- ordered carrier, activating downlink reception and/or uplink transmission on the activation-ordered carrier, and continuing the autonomous inter-frequency and/or inter-RAT measurements without measurement gaps with an additional inactive receiver on a condition that the additional inactive receiver is capable of working on the activation- ordered carrier and the trigger condition is still met.', '-28-1401778-110. 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:', 'detecting a home Node-B (HNB)/evolved HNB (eHNB) cell;', 'sending a proximity indication on a condition that the WTRU is near the detected HNB/eHNB cell whose identity is in a list; and', 'performing inter-frequency and/or inter-RAT measurements on a frequency carrier or an RAT of the detected HNB/eHNB cell while configuring autonomous gaps
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 transceiver configured to receive via at least two downlink carriers simultaneously; and', 'a processor configured to control the transceiver to perform inter- frequency and/or inter-RAT measurements using an inactive receiver without measurement gaps
12. The WTRU of claim 11 wherein the processor is configured to receive a measurement order on a disabled carrier, and perform inter- frequency and/or inter-RAT measurements on the disabled carrier without measurement gaps using an inactive receiver while maintaining a status of the disabled carrier as disabled at a physical layer
13. The WTRU of claim 11 wherein the processor is configured to, after receiving an activation order for activating a carrier, activate downlink reception and/or uplink transmission on the activation- ordered carrier, and perform inter-frequency and/or inter-RAT measurements with measurement gaps on a condition that there is no inactive receiver.', '-29-1401778-114. The WTRU of claim 13 wherein the measurement gaps are configured on a downlink carrier and not on an uplink carrier
15. The WTRU of claim 13 wherein the measurement gaps are configured on an unpaired downlink carrier and not on a paired downlink carrier
16. The WTRU of claim 13 wherein the measurement gaps are configured on a subset of associated downlink uplink carrier pairs
17. 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 autonomously on a condition that the trigger condition is met and at least one receiver is inactive
18. The WTRU of claim 17 wherein the processor is configured to, after receiving an activation order for a carrier, stop the autonomous inter- frequency/inter-RAT measurements on the activation- ordered carrier, activate downlink reception and/or uplink transmission on the activation- ordered carrier, and perform inter-frequency and/or inter-RAT measurements with measurement gaps on a condition that there is no additional inactive receiver or an additional inactive receiver is not capable of working on the activation- ordered carrier
19. The WTRU of claim 18 wherein the processor is configured to stop the autonomous inter-frequency and/or inter-RAT measurements on the activation- ordered carrier, activate downlink reception and/or uplink transmission on the activation- ordered carrier, and continue the autonomous', '-30-1401778-1 inter-frequency and/or inter-RAT measurements without measurement gaps with an additional inactive receiver on a condition that the additional inactive receiver is capable of working on the activation- ordered carrier and the trigger condition is still met.
20. A multi-receiver wireless transmit/receive unit (WTRU) for performing inter-frequency and/or inter-radio access technology (RAT) measurements, the WTRU comprising:', 'a transceiver configured to receive via at least two downlink carriers simultaneously; and', 'a processor configured to detect a home Node-B (HNB)/evolved HNB (eHNB) cell, send a proximity indication on a condition that the WTRU is near the detected HNB/eHNB cell whose identity is in a list, and perform inter- frequency and/or inter-RAT measurements on a frequency carrier or an RAT of the detected HNB/eHNB cell while configuring autonomous gaps.', '-31-1401778-1']
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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.