Patents by Inventor Ilmiawan Shubhi
Ilmiawan Shubhi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 12289788Abstract: A method, system, network node and wireless device are disclosed. In one or more embodiments, A network node configured to communicate with a wireless device is provided. The network node includes processing circuitry configured to: determine a short DRX configuration based at least on a delay value constraint associated with the wireless device, and transmit an indication of the short DRX configuration and a long DRX configuration where the short DRX configuration corresponds to a shorter cycle length than a cycle length of the long DRX configuration.Type: GrantFiled: June 18, 2020Date of Patent: April 29, 2025Assignee: Telefonaktiebolaget LM Ericsson (Publ)Inventors: Andres Reial, Ilmiawan Shubhi, Pramod Jacob Mathecken, Sina Maleki, Ali Nader, Martin Van Der Zee
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Patent number: 12284612Abstract: Methods and apparatus are described for adapting wake-up signal monitoring to optimize power saving performance. In one embodiment, a UE can be configured to selectively skip WUS monitoring based on a current UE context. In another embodiment, WUS/PDCCH monitoring and/or other UE procedure can be adapted based on a statistic related to the wake-up signals transmitted by the base station to the UE.Type: GrantFiled: November 27, 2019Date of Patent: April 22, 2025Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Ilmiawan Shubhi, Sina Maleki, Andres Reial
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Patent number: 12273880Abstract: A method, system and apparatus for methods for determining minimum scheduling offset application delay are disclosed. According to one aspect, a method in a network node includes determining an application delay based at least in part on a first subcarrier spacing, SCS, associated with a scheduling component carrier bandwidth part, BWP, the application delay being associated with at least one of the first and second minimum scheduling offsets. According to another aspect, a method in a wireless device includes receiving an indication of an application delay from a network node, the application delay being based at least in part on a first subcarrier spacing, SCS, associated with a scheduling component carrier bandwidth part, BWP, and the application delay being associated with at least one of the first and second minimum scheduling offsets.Type: GrantFiled: November 6, 2020Date of Patent: April 8, 2025Assignee: Telefonaktiebolaget LM Ericsson (Publ)Inventors: Ilmiawan Shubhi, Ajit Nimbalker, Ravikiran Nory, Sina Maleki
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Patent number: 12245243Abstract: A method, network node and wireless device for adaptation of search space (SS) density by bandwidth part (BWP) switching are disclosed. According to one aspect, a wireless device (WD) is configured to switch between a sparse search space (SS) configuration and a dense SS configuration, and monitor a physical downlink control channel (PDCCH) according to one of the sparse SS in a first BWP, and the dense SS in a second BWP.Type: GrantFiled: June 18, 2020Date of Patent: March 4, 2025Assignee: Telefonaktiebolaget LM Ericsson (Publ)Inventors: Andres Reial, Ilmiawan Shubhi, Sina Maleki, Ali Nader, Gang Zou
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Patent number: 12207197Abstract: A system, network node and wireless device a provided. The wireless device receives, during an active time, downlink control information, DCI, having a predefined DCI format from the network node. The predefined DCI format includes at least one bit indicating that the DCI includes a go-to-sleep, GTS, indication. The wireless device is caused to enter a sleep state based at least in part on the GTS indication.Type: GrantFiled: January 13, 2020Date of Patent: January 21, 2025Assignee: Telefonaktiebolaget LM Ericsson (Publ)Inventors: Sina Maleki, Robert Baldemair, Ilmiawan Shubhi, Andres Reial, Pramod Jacob Mathecken
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Patent number: 12207190Abstract: A method and wireless device (WD) for autonomous WD wake up are disclosed. According to one embodiment, a wireless device configured to communicate with a network node is provided. The wireless device includes processing circuitry configured to determine that a transmitted wake up signal has been missed before a discontinuous reception (DRX) ON-duration, and perform at least one action during the DRX ON-duration based at least in part on the determination that the wake signal has been missed.Type: GrantFiled: April 7, 2020Date of Patent: January 21, 2025Assignee: Telefonaktiebolaget LM Ericsson (Publ)Inventors: Ilmiawan Shubhi, Sina Maleki, Gang Zou, Ali Nader, Andres Reial
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Patent number: 12207113Abstract: According to certain embodiments, a wireless device is configured to operate in a regular-power mode and a low-power mode, and a method of detecting wireless device movement includes: performing a link characterization measurement in the low-power mode using a low-power radio; determining, based on the low-power radio link characterization measurement, that the wireless device is not stationary; and performing radio resource measurements in the regular-power mode. In particular embodiments, performing the link characterization measurement using the low-power radio includes measuring a stationary reference signal (e.g., secondary synchronization signal (SSS)). Measuring the stationary reference signal uses a time-domain correlation receiver on the stationary reference signal.Type: GrantFiled: October 10, 2019Date of Patent: January 21, 2025Assignee: Telefonaktiebolaget LM Ericsson (Publ)Inventors: Andres Reial, Sina Maleki, Gang Zou, Ilmiawan Shubhi
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Patent number: 12185252Abstract: Methods and apparatus are described for adapting wake-up signal monitoring to optimize power saving performance. In one embodiment, a UE can be configured to selectively skip WUS monitoring based on a current UE context. In another embodiment, WUS/PDCCH monitoring and/or other UE procedure can be adapted based on a statistic related to the wake-up signals transmitted by the base station to the UE.Type: GrantFiled: November 27, 2019Date of Patent: December 31, 2024Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Ilmiawan Shubhi, Sina Maleki, Andres Reial
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Publication number: 20240429983Abstract: A method, system and apparatus are disclosed. A network node configured to communicate with a wireless device (WD) is described. The network node includes processing circuitry configured to: determine a plurality of channel state information reference signal (CSI-RS) configurations. The determined plurality of CSI-RS configurations includes at least a first CSI-RS configuration and a second CSI-RS configuration. The first and second CSI-RS configurations include different values for at least one parameter. One of the first CSI-RS configuration and the second CSI-RS configuration is determined. A radio interface is configured to transmit, to the WD, an indication indicating the determined one of the first CSI-RS configuration and the second CSI-RS configuration, the indication being transmitted using at least one of physical communication layer signaling and media access control (MAC) layer signaling.Type: ApplicationFiled: August 30, 2022Publication date: December 26, 2024Inventors: Ryan PADERNA, Ilmiawan SHUBHI, Sina MALEKI, Andres REIAL, Ali NADER, Niklas ANDGART
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Publication number: 20240414721Abstract: A method, system and apparatus for physical downlink control channel (PDCCH) monitoring adaptation in multicell operations are disclosed. According to one aspect, a method in a wireless device (WD) includes transmitting an intercell physical downlink control channel, PDCCH, monitoring adaptation indication capability information. The method also includes receiving a PDCCH monitoring adaptation configuration for a first configured cell and at least a second configured cell. The method further includes receiving an indication on the first configured cell indicating the WD to transit from a first PDCCH monitoring state to a second PDCCH monitoring state in at least the second configured cell. The method also includes transiting from the first PDCCH monitoring state to the second PDCCH monitoring state in at least the second configured cell.Type: ApplicationFiled: October 3, 2022Publication date: December 12, 2024Inventors: Ilmiawan SHUBHI, Ajit NIMBALKER, Ravikiran NORY
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Publication number: 20240397519Abstract: A user equipment (UE), method and computer program product are provided. A configuration is received to detect a first field within a first DCI, the UE operating in a first state upon reception of the configuration. While operating in the first state where a minimum slot offset is applicable for at least one of receiving data or transmitting data, the UE switches from operating in the first state to a second state responsive to detecting a first state value for the first field in a first control message using the first DCI format in a first slot of a first set of slots. While operating in the second state where the minimum slot offset is not applicable for at least one of receiving the data and transmitting the data, the UE switches from operating in the second state to the first state responsive to detecting a second state value.Type: ApplicationFiled: July 31, 2024Publication date: November 28, 2024Inventors: Ajit NIMBALKER, Ilmiawan SHUBHI, Ravikiran NORY
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Publication number: 20240381440Abstract: Systems and methods for enabling energy efficient Random Access Channel (RACH) are provided. A method performed by a network node includes one or more of: being configured with an original RACH configuration; receiving a preamble in a RACH Occasion; dynamically changing a RACH-configuration period and/or RACH frequency multiplexing configuration according to whether a preamble was received; reconfiguring to a performance optimized configuration; starting one or more timers: keeping the current RACH configuration until the timer(s) reaches the specified time; if fewer than a threshold preambles are received, reconfiguring with the original PRACH configuration; and if more than a threshold preamble are received, resetting and/or restarting a running timer. An energy efficient RACH configuration allows the network node receivers to have a longer sleep time and operate over a narrower bandwidth. As such more energy is saved when the network is in idle mode and there are no/little RACH attempts.Type: ApplicationFiled: September 10, 2022Publication date: November 14, 2024Inventors: Xu ZHU, Ali NADER, Ilmiawan SHUBHI, Andres REIAL, Sina MALEKI
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Publication number: 20240381484Abstract: A wireless communication device (12) transmits assistance information (24) to a wireless communication network (10). The assistance information (24) may indicate a preference (24A) of the wireless communication device (12) for each of one or more retransmission parameters (22) that control retransmission in connected mode discontinuous reception, C-DRX, operation. Alternatively or additionally, the assistance information (24) may indicate a value (24B) measured by the wireless communication device (12) for each of one or more retransmission metrics that describe retransmission in C-DRX operation. Alternatively or additionally, the assistance information (24) may indicate a value (24C) measured by the wireless communication device (12) for each of one or more traffic metrics that describe uplink or downlink data traffic in C-DRX operation.Type: ApplicationFiled: September 13, 2022Publication date: November 14, 2024Inventors: Sina Maleki, Ali Nader, Ilmiawan Shubhi, Du Ho Kang
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Publication number: 20240381367Abstract: The disclosure relates to a method for a UE configured to operate in a RAN. The method comprises receiving a PDCCH monitoring configuration that includes respective parameters for a plurality of PDCCH monitoring states. It also comprises, while operating in a first one of the PDCCH monitoring states, receiving an indication of a second one of the PDCCH monitoring states, and performing one of the following: selectively entering the second PDCCH monitoring state based on whether decoding of a PDSCH transmission from the RAN node was successful, or selectively exiting the second PDCCH monitoring state based on whether decoding of the PDSCH transmission from the RAN node was successful. A corresponding method for a RAN node and the corresponding UE and apparatus are also described.Type: ApplicationFiled: September 30, 2022Publication date: November 14, 2024Inventors: Ilmiawan Shubhi, Ajit Nimbalker, Ravikiran Nory
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Patent number: 12143933Abstract: Embodiments include methods, performed by a user equipment (UE), for communication with a network node in a radio access network (RAN). Such methods include receiving, from the network node, an indication that a minimum scheduling offset, between a scheduling physical downlink control channel (PDCCH) and a signal or channel scheduled via the scheduling PDCCH, will change after a first duration. Such methods also include subsequently monitoring, during the first duration, for a scheduling PDCCH based on a first operating configuration; and in response to the end of the first duration, monitoring for a scheduling PDCCH based on a second operating configuration. The first duration can be related to time required, by the UE, to switch from the first to the second operating configuration. Embodiments also include UEs configured to perform such methods.Type: GrantFiled: December 19, 2019Date of Patent: November 12, 2024Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Sina Maleki, Andres Reial, Ilmiawan Shubhi, Pramod Jacob Mathecken
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Publication number: 20240357475Abstract: A method, system and apparatus are disclosed. A method implemented in a wireless device in a cell includes receiving at least one first synchronization signal block, SSB, from a first network node according to a first SSB provision scheme, determining that the first network node has transitioned from the first SSB provision scheme to a second SSB provision scheme, where the transition is based on signaling associated with at least one wireless device in the cell, and where the second SSB provision scheme is different from the first SSB provision scheme, and receiving at least one second SSB based on the second SSB provision scheme.Type: ApplicationFiled: August 29, 2022Publication date: October 24, 2024Inventors: Ali NADER, Sina MALEKI, Andres REIAL, Ilmiawan SHUBHI
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Patent number: 12120638Abstract: The present disclosure provides a method performed by a network node in a radio access network (RAN) for selective paging of a plurality of user equipments (UEs) operating in a cell served by the network node. The method comprises assigning the plurality of UEs to a plurality of paging subgroups based on one or more operating parameters of the respective UEs, wherein the paging subgroups are associated with a first sequence of paging occasions (POs) to which all of the UEs are assigned. The method comprises transmitting a paging indicator during a particular PO of the first sequence. The paging indicator indicates which of the paging subgroups associated with the particular PO should receive a paging message from the network node. The method further comprises transmitting the paging message within the cell.Type: GrantFiled: July 8, 2020Date of Patent: October 15, 2024Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Ali Nader, Gang Zou, Sina Maleki, Ilmiawan Shubhi, Andres Reial, Niklas Andgart
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Patent number: 12108342Abstract: A technique of selectively transmitting a skip signal indicative of skipping a downlink control channel from an access node (100; 600; 712; 820) to a radio device (791; 792; 830) is provided. As to a method aspect, a method (200) of selectively transmitting a skip signal indicative of skipping a downlink control channel comprises or initiates determining (202), for the radio device (791; 792; 830), whether a criterion for at least one of skipping the downlink control channel and transmitting the skip signal indicative of skipping the downlink control channel is fulfilled. The method (200) further comprises or initiates transmitting (204), to the radio device (791; 792; 830), the skip signal indicative of skipping the downlink control channel if the criterion has been determined (202) to be fulfilled for a predefined duration.Type: GrantFiled: August 14, 2020Date of Patent: October 1, 2024Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Pramod Jacob Mathecken, Sina Maleki, Ilmiawan Shubhi, Niklas Andgart, Kristofer Sandlund
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Patent number: 12088521Abstract: A user equipment (UE) is configured to calibrate a receiver during operation in a wireless network. The UE comprises a radio transceiver configured to communicate with the wireless network; and processing circuitry operatively associated with the radio transceiver.Type: GrantFiled: April 28, 2020Date of Patent: September 10, 2024Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Gang Zou, Sina Maleki, Ilmiawan Shubhi, Andres Reial
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Publication number: 20240298334Abstract: A method, system and apparatus are disclosed. In some embodiments, a wireless device configured to communicate with a network node is provided. The wireless device is configured to receive at least one bitfield for physical downlink control channel, PDCCH, monitoring adaptation where the at least one bitfield is configured to take at least one field value to indicate to the wireless device whether to perform one of search space set group switching and skipping of PDCCH monitoring, and configured to adapt the PDCCH monitoring for at least one cell based on the at least one field value of the at least one bitfield.Type: ApplicationFiled: January 18, 2022Publication date: September 5, 2024Inventors: Ajit NIMBALKER, Ravikiran NORY, Ilmiawan SHUBHI, Sina MALEKI