Abstract
A method for performing radio usage measurements to support radio link operations and/or load balancing may be performed at an evolved Node B (eNB). The method may include determining a first radio usage parameter. The first radio usage parameter may be a measurement of radio usage between an eNB and at least one wireless transmit receive unit (WTRU). The method may further include determining a second radio usage parameter. The second radio usage parameter may be a measurement of radio usage between the eNB and at least one relay node (RN) served by the eNB. The method may further include utilizing at least one of the first radio usage parameter or the second radio usage parameter to evaluate at least one of evolved universal terrestrial radio access (E-UTRA) radio link operations, radio resource management (RRM), network operations and maintenance (OAM), and self-organizing networks (SON) functions or functionalities.
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| 4G | 30/12/2019 | ISLD-201912-087 | INTERDIGITAL INC |
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
Measurement
Product
Use Cases
Wireless communication
Services
Claim
1. A method for performing radio usage measurements to support radio link operations, the method comprising:', 'determining a first radio usage parameter, wherein the first radio usage parameter is a measurement of radio usage between an evolved Node B (eNB) and at least one wireless transmit receive unit (WTRU);', 'determining a second radio usage parameter, wherein the second radio usage parameter is a measurement of radio usage between the eNB and at least one relay node (RN) served by the eNB; and', 'utilizing at least one of the first radio usage parameter or the second radio usage parameter to evaluate at least one of evolved universal terrestrial radio access (E-UTRA) radio link operations, radio resource management (RRM), network operations and maintenance (OAM), or self-organizing networks (SON) functions or functionalities.
2. The method of claim 1, wherein the second radio usage measurement is a measurement of downlink (DL) physical resource block (PRB) usage for traffic on a Un interface.
3. The method of claim 2, wherein the second radio usage measurement is measured per Quality of Service (QoS) Class Indicator (QCI).
4. The method of claim 1, wherein the second radio usage measurement is a measurement of uplink (UL) physical resource block (PRB) usage per Quality of Service (QoS) Class Indicator (QCI) for traffic on a Un interface.
5. The method of claim 1, wherein the second radio usage measurement is a measurement of average downlink (DL) packet delay per Quality of Service (QoS) Class Indicator (QCI) for traffic on a Un interface.
6. The method of claim 1, further comprising:', 'measuring a number of downlink (DL) active WTRUs with a DL connection through the eNB, wherein the number of DL active WTRUs excludes UEs connected to the RN; and measuring a number of uplink (UL) active WT Us with a UL connection through the eNB, wherein the number of UL active WTRUs excludes UEs connected to the RN.
7. The method of claim 1, wherein the first radio usage measurement is a measurement of downlink (DL) packet loss rate per Quality of Service (QoS) Class Indicator (QCI) for traffic on a Uu interface and the second radio usage measurement is a measurement of DL packet loss rate per QCI for traffic on a Un interface.
8. The method of claim 1, wherein the first radio usage measurement is a measurement of uplink (UL) packet loss rate per Quality of Service (QoS) Class Indicator (QCI) for traffic on a Uu interface and the second radio usage measurement is a measurement of UL packet loss rate per QCI for traffic on a Un interface.
9. The method of claim 1, further comprising:', 'receiving, from the RN, a third radio usage measurement, wherein the third radio usage measurement measures radio usage between the RN and at least one UE connected to the RN
10. The method of claim 1, wherein utilizing at least one of the first radio usage parameter or the second radio usage parameter to evaluate at least one of E-UTRA radio link operations, RRM, network OAM, or SON functions or functionalities comprises utilizing at least one of the first radio usage parameter or the second radio usage parameter for OAM performance observability
11. An evolved Node B (eNB) configured to:', 'perform a first radio usage measurement, wherein the first radio usage measurement measures radio usage between the eNB and at least one user equipment (UE);', 'perform a second radio usage measurement, wherein the second radio usage measurement measures radio usage between the eNB and at least one relay node (RN) served by the eNB; and utilize each of the first radio measurement and the second radio measurement to perform at least one of cell load balancing, repartitioning radio resources, call admission control, or congestion control
12. The eNB of claim 1 1, wherein the first radio usage measurement is a', 'measurement of downlink (DL) physical resource block (PRB) usage for traffic on a Uu interface and the second radio usage measurement is a measurement of DL PRB usage for traffic on a Un interface
13. The eNB of claim 12, wherein both the first radio usage measurement and the second radio usage measurement are measured per Quality of Service (QoS) Class Indicator', '(QCi)
14. The eNB of claim 1 1, wherein the first radio usage measurement is a', 'measurement of uplink (UL) physical resource block (PRB) usage per Quality of Service (QoS) Class Indicator (QCI) for traffic on a Uu interface and the second radio usage measurement is a measurement of UL PRB usage per QCI for traffic on a Un interface
15. The eNB of claim 1 1, wherein the first radio usage measurement is a', 'measurement of average downlink (DL) packet delay per Quality of Service (QoS) Class Indicator (QCI) for traffic on a Uu interface and the second radio usage measurement is a measurement of average DL packet delay per QCI for traffic on a Un interface
16. The eNB of claim 1 1, wherein the eNB is further configured to:', 'measure a number of downlink (DL) active WTRUs with a DL connection through the eNB, wherein the number of DL active WTRUs excludes UEs connected to the RN; and', 'measure a number of uplink (UL) active WTRUs with a UL connection through the eNB, wherein the number of UL active WTRUs excludes UEs connected to the RN
17. The eNB of claim 1 1, wherein the first radio usage measurement is a', 'measurement of downlink (DL) packet loss rate per Quality of Service (QoS) Class Indicator (QCI) for traffic on a Uu interface and the second radio usage measurement is a measurement of DL packet loss rate per QCI for traffic on a Un interface
18. The eNB of claim 1 1, wherein the first radio usage measurement is a', 'measurement of uplink (UL) packet loss rate per Quality of Service (QoS) Class Indicator (QCI) for traffic on a Uu interface and the second radio usage measurement is a measurement of UL packet loss rate per QCI for traffic on a Un interface
19. The eNB of claim 1 1, wherein the eNB is further configured to: receive, from the RN, a third radio usage measurement, wherein the third radio usage measurement measures radio usage between the RN and at least one UE connected to the RN.
20. The eNB of claim 1 1, wherein the eNB is configured to utilize each of the first radio measurement and the second radio measurement to perform at least one of cell load balancing, repartitioning radio resources, call admission control, or congestion control by sending the first radio usage measurement and the second radio usage measurement to a network operations and maintenance node via an evolved packet core (EPC) network.
21. A method for handing over a relay node (RN) from a source evolved Node B (eNB) to a target eNB, the method comprising:', 'determining to handover the RN;', 'sending a handover command to the RN; and', 'sending bearer context information to the target eNB, wherein the bearer context information comprises information that allows the target eNB to accept the RN while at least one wireless transmit/receive unit (WTRU) connected to the RN remains in the connected state throughout the handover.
22. The method of claim 21 , further comprising:', 'sending a handover request message to the target eNB; and', 'receiving a handover acceptance message from the target eNB, wherein the handover acceptance message includes a handover parameter, wherein the handover parameter is included in the handover command.
23. The method of claim 22, wherein the handover parameter comprises at least one of a Un subframe configuration or synchronization and timing information.
24. The method of claim 21, wherein determining to handover the RN is based on at least one of measurements performed by the source eNB or message received from a mobility management entity (MME).
25. The method of claim 21 , further comprising receiving a donor eNB (DeNB) list for the RN and selecting the target eNB based on the DeNB list.
26. The method of claim 21, wherein the handover command comprises a dedicated Random Access Channel Preamble for the RN.']
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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.
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