Patents by Inventor Pradeepa Ramachandra
Pradeepa Ramachandra 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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Publication number: 20250254579Abstract: Systems and methods are disclosed for measurements and measurement reporting based on frequency specific priority indications. In one embodiment, a method performed by a User Equipment (UE) comprises receiving, from a network node, a measurement configuration that comprises one or more priority indications for two or more frequencies. The method further comprises performing measurements on the two or more frequencies in accordance with the one or more priority indications for the two or more frequencies and transmitting, to the network node, one or more measurement reports comprising the measurements performed on the two or more frequencies. In this manner, the network can immediately take an action(s) based on the one or more measurement reports sent by the UE, thus improving UE throughput and also removing the need for timers or multiple higher layer messages before taking the action(s).Type: ApplicationFiled: October 12, 2022Publication date: August 7, 2025Inventors: Pradeepa Ramachandra, Mattias Bergström
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Patent number: 12382330Abstract: A method (400) for reporting radio link failure, RLF, information. The method includes a user equipment, UE, detecting (s402) an RLF with respect to a master cell group, MCG. The method also includes, in response to detecting the RLF with respect to the MCG, the UE storing (s404) RLF information. The method also includes the UE sending (s406) a first message comprising MCG failure information, e.g., the RLF information, and activating a timer. The method also includes the UE receiving (s408) a second message after sending the first message and activating the timer. The method also includes the UE, in response to receiving the second message, determining (s410) that a condition is satisfied, wherein determining that the condition is satisfied comprises at least determining that the timer is still running. The method also includes, as a result of determining that the condition is satisfied, the UE deleting (s412) the RLF information.Type: GrantFiled: June 8, 2021Date of Patent: August 5, 2025Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Oumer Teyeb, Pradeepa Ramachandra, Antonino Orsino
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Patent number: 12382503Abstract: Systems and methods related to balancing random access resources between 2-step Random Access Channel (RACH) and 4-step RACH. In one embodiment, a method performed by a first network node comprises obtaining information related to 2-step RACH and/or 4-step RACH, for cell(s) and/or beam(s) controlled by the first network node. The method further comprises determining, based on the obtained information, first assistance information for 2-step and/or 4-step RACH configuration, for the cell(s) and/or the beam(s) controlled by the first network node. The method further comprises transmitting, to a second network node, second assistance information for the 2-step and/or 4-step RACH configuration, for the cell(s) and/or the beam(s) controlled by the first network node. The second assistance information comprises the first assistance information or information that indicates one or more parts of the first assistance information.Type: GrantFiled: April 29, 2021Date of Patent: August 5, 2025Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Marco Belleschi, Luca Lunardi, Pablo Soldati, Ali Parichehrehteroujeni, Johan Rune, Angelo Centonza, Pradeepa Ramachandra
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Publication number: 20250240843Abstract: According to some embodiments, a method is performed by a wireless device operating in dual connectivity with a master cell group (MCG) comprising a first network node and a secondary cell group (SCG) comprising a second network node. The method comprises: detecting a failure on the SCG; including a first set of information associated with the detected failure on the SCG in a first message; and determining whether the MCG is suspended. Upon determining the MCG is suspended, the method further comprises including a second set of information associated with the detected failure on the SCG in a second message and transmitting the first message and the second message to a third network node.Type: ApplicationFiled: October 13, 2022Publication date: July 24, 2025Inventors: Tahmineh Torabian Esfahani, Pradeepa Ramachandra, Marco Belleschi
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Publication number: 20250240656Abstract: A method performed by a Radio Access Node (RAN) node is provided. The method is for controlling a Minimization of Drive Tests (MDT) measurement to be performed by a User Equipment (UE) or a group of UEs in a wireless communications network. The RAN node obtains (601) a set of parameters of an MDT configuration. The set of parameters comprises respective one or more filtering criteria related to type of network support and/or UE characteristic and/or level of granularity. These are to be used by UEs for performing MDT measurements. The RAN node sends (603) an MDT configuration to a first UE or a group of UEs comprising the first UE. The MDT configuration comprises one or more parameters. The one or more parameters comprises at least a part of the parameters comprised in the set of parameters. The MDT configuration configures the first UE, or the group of UEs, to measure and report MDT measurements according to said filtering criteria.Type: ApplicationFiled: September 26, 2022Publication date: July 24, 2025Inventors: Luca LUNARDI, Ali PARICHEHREHTEROUJENI, Pradeepa Ramachandra
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Patent number: 12369054Abstract: Embodiments include methods for failure reporting by a user equipment (UE) operating in a cell of a first network. Such methods include sending, to a network node serving the cell, a message that includes a first indication of availability of one or more failure reports. Each available failure report corresponds to a failure that occurred while the UE was operating in the first network, a network different than the first network, or a network of a different type than the first network. Such methods also include receiving, from the network node, a request for at least a portion of the failure reports indicated as available by the first indication; and sending at least one of the available failure reports to the network node in accordance with the request. Other embodiments include complementary methods for a network node as well as UEs and network nodes configured to perform such methods.Type: GrantFiled: August 18, 2021Date of Patent: July 22, 2025Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Mattias Bergström, Pradeepa Ramachandra, Oscar Ohlsson
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Publication number: 20250227521Abstract: A network node (16) transmits a minimization of drive test, MDT, configuration (14) that configures a wireless communication device (12) to collect MDT measurements specific to non-terrestrial networks, NTNs (10A). The wireless communication device (12) receives this minimization of drive test, MDT, configuration (14). The wireless communication device (12) reports MDT measurements collected according to the MDT configuration (14).Type: ApplicationFiled: October 7, 2022Publication date: July 10, 2025Inventors: Pradeepa Ramachandra, Muhammad Ali Kazmi, Helka-Liina Määttänen, Marco Belleschi, Ming Li
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Publication number: 20250220483Abstract: Various embodiments of the present disclosure provide a method for Minimization of Drive Test (MDT) measurement. The method comprises receiving a configuration from a network node. The configuration indicates the terminal device to perform Minimization of Drive Test (MDT) measurement and/or store the MDT measurement result only when location information is available, and/or indicates the terminal device to report only location information tagged MDT measurements.Type: ApplicationFiled: February 24, 2023Publication date: July 3, 2025Inventors: Changwoo Hong, Changwoo Sun, Pradeepa Ramachandra
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Patent number: 12348448Abstract: A method performed by a first network node. The first network node operates in a communications network. The method is for handling a measurement configuration. The first network node sends an indication to a second network node operating in the communications network. The indication indicates a transmission status of one or more Channel State Information-Reference Signal (CSI-RS) configurations of the first network node. The second network node receives the indication. The third network node receives another indication from the second network node. The third network node is managed by the second network node. The another indication indicates a transmission status of the one or more CSI-RS configurations of the first network node and configures the wireless device based on the received other indication.Type: GrantFiled: January 14, 2021Date of Patent: July 1, 2025Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Pradeepa Ramachandra, Alexander Vesely, Angelo Centonza, Yazid Lyazidi
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Patent number: 12342210Abstract: A radio network node, a wireless device and methods performed therein for handling communication in a wireless communication network are provided. The method performed by the wireless device comprises obtaining an indication indicating which beams to be included in a cell quality derivation of a cell; and performing one or more measurements on one or more beams, which one or more beams are selected based on the obtained indication. Furthermore, a computer program product and a computer readable storage medium are also provided herein.Type: GrantFiled: March 14, 2024Date of Patent: June 24, 2025Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Pradeepa Ramachandra, Icaro L. J. Da Silva, Helka-Liina Määttanen
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Publication number: 20250203426Abstract: Reporting of events in non-terrestrial network, NTN, coverage. An example method, in a wireless device operating in a wireless communication network, comprises detecting (310) one of one or more pre-determined triggering events and, responsive to the detected triggering event, determining (320) whether the triggering event occurred while the wireless device was operating under non-terrestrial network coverage or under terrestrial network coverage, and/or determining whether the triggering event was due to wireless device mobility or non-terrestrial network cell mobility. The method further comprises saving (330), for reporting to the wireless communication network, information corresponding to this determining.Type: ApplicationFiled: January 11, 2023Publication date: June 19, 2025Inventors: Marco Belleschi, Pradeepa Ramachandra, Johan Rune, Helka-Liina Määttänen
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Patent number: 12328160Abstract: In accordance with particular embodiments, there is disclosed herein a method performed by a wireless device for measurement reporting. The method includes detecting a first number of beams. The method also includes measuring one or more characteristics of a second number of beams. The second number of beams comprises one or more beams of the first number of beams. The method additionally includes generating a measurement report that includes beam measurement information derived from the measurement of the one or more characteristics of the second number of beams. The method further includes transmitting the measurement report with the beam measurement information to a network node.Type: GrantFiled: February 27, 2024Date of Patent: June 10, 2025Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Icaro L. J. Da Silva, Pradeepa Ramachandra
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Publication number: 20250183971Abstract: Systems and methods are disclosed herein for enabling a User Equipment (UE) to perform cell quality derivation in a wireless communication network utilizing parameters from an appropriate measurement object. In some embodiments, a method of operation of a UE to perform cell quality derivation in a wireless communication network includes the UE receiving, via Radio Resource Control (RRC) signaling, a measurement configuration that includes a list of measurement objects. The UE receives a serving cell configuration including frequency information that specifies an absolute frequency of a Synchronization Signal block (SSB) corresponding to a serving cell. The UE selects a measurement object in the list of measurement objects that specifies an SSB frequency having a same value as the specified absolute frequency.Type: ApplicationFiled: January 3, 2025Publication date: June 5, 2025Inventors: Icaro L. J. Da Silva, Pradeepa Ramachandra, Helka-Liina Määttänen
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Publication number: 20250175834Abstract: A method performed by a wireless device to receive an excess delay measurement configuration from a serving radio access network, RAN, node and perform measurements according to the excess delay configuration includes receiving an excess delay configuration to perform uplink PDCP excess delay measurements, the excess delay configuration including a list of PDCP excess delay thresholds associated with data radio bearer, DRB, identities, IDs. The method includes performing uplink PDCP excess delay measurements based on threshold values in the excess delay configuration. The method includes transmitting an excess delay measurement report to the serving RAN node, the excess delay measurement report including a list of PDCP excess delay measurements.Type: ApplicationFiled: February 9, 2023Publication date: May 29, 2025Inventors: Sakib BIN REDHWAN, Pradeepa RAMACHANDRA, Ali PARICHEHREHTEROUJENI, Angelo CENTONZA
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Publication number: 20250168896Abstract: According to some embodiments, a method for reporting random access attempts performed by a wireless device comprises performing a random access procedure, wherein the random access procedure comprises a plurality of random access attempts, and each random access attempt is associated with a beam. For each random access attempt, the method comprises, upon determining the random access attempt is unsuccessful, storing information about random access resources associated with the beam associated with the random access attempt. The method further comprises reporting the information about the random access resources associated with the beam to a network node.Type: ApplicationFiled: November 15, 2024Publication date: May 22, 2025Inventors: Icaro L.J. da Silva, Pradeepa Ramachandra, Angelo Centonza, Ali Parichehrehteroujeni
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Publication number: 20250168678Abstract: An example method in a wireless device comprises selecting (510), for inclusion in a report stored by the wireless device, first radio quality measurement results based on a first type of at least two types of reference signals used by the wireless device for measuring radio quality. This selection comprises selecting radio quality measurement results reflecting the best radio quality, among available radio quality measurement results based on the first type of reference signal, for neighbor cell. The method further comprises including (520) the selected first radio quality measurement results in the report, and including (530) in the report, along with the selected first radio quality measurement results, one or more available radio quality measurement results corresponding to the cell identifiers associated to the selected radio quality measurement results and based on a second type of the at least two types of reference signals.Type: ApplicationFiled: December 27, 2022Publication date: May 22, 2025Inventors: Marco Belleschi, Pradeepa Ramachandra, Ali Parichehrehteroujeni
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Patent number: 12295059Abstract: A method (1200) performed by a wireless device (110) includes receiving (1202), from a network node (160), a Minimization of Drive Test, MDT, configuration for a master cell group, MCG, and a secondary cell group, SCG. While the wireless device is in an idle state or an inactive state and operating according to a first Radio Access Technology, RAT, the wireless device logs (1204) MDT measurements for the MCG and the SCG based on the MDT configuration. After transitioning from the idle or inactive state to a connected state and after handover from a source cell associated with the first RAT to a target cell associated with a second RAT, the wireless device transmits (1206) at least one MDT report to a target network node associated with the target cell.Type: GrantFiled: June 25, 2020Date of Patent: May 6, 2025Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Malik Wahaj Arshad, Pradeepa Ramachandra, Wei Shen, Robert Petersen
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Patent number: 12289646Abstract: Embodiments include methods, performed by a user equipment, UE, for reporting failures related to mobility operations by the UE to a network node in a radio access network, RAN. Such methods include logging (1210) information associated with a plurality of failures during conditional handover, CHO, operations related to a source cell and one or more first target cells. Such methods also include, after a successful mobility operation to a second target cell served by the network node, reporting (1240) the logged information, associated with the plurality of failures, to the network node. Other embodiments include complementary methods performed by a network node, as well as UEs and network nodes configured to perform such methods.Type: GrantFiled: January 25, 2021Date of Patent: April 29, 2025Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Ali Parichehrehteroujeni, Pradeepa Ramachandra, Icaro Leonardo Da Silva, Angelo Centonza, Cecilia Eklöf
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Publication number: 20250126529Abstract: A method is performed by a wireless device in a network. The wireless device detects a triggering event related to a procedure for a handover from a source network node to a target network node in which the wireless device relies on downlink beam selection. The wireless device determines measurement information to include in a message to send to the target network node. The measurement information is obtained by measuring one or more beams according to at least one of a radio link management configuration, a beam management configuration, and a measurement configuration. In response to detecting the triggering event, the determined measurement information in the message is sent to the target network node.Type: ApplicationFiled: December 27, 2024Publication date: April 17, 2025Inventors: Icaro L.J. da Silva, Helka-Liina MÄÄTTANEN, Pradeepa RAMACHANDRA
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Publication number: 20250113260Abstract: Embodiments include methods, performed by a user equipment (UE), for reporting radio link failure (RLF) in a cell of a wireless network. Such methods include performing measurements of a plurality of cells, which can include a serving cell and multiple neighbor cells. The measurements for each cell are based on one or more types of reference signals (RS) transmitted in the particular cell and include one or more measurement quantities. Such methods include determining that an RLF occurred in the serving cell and sorting the neighbor cell measurements into one or more measurement lists based on one or more sorting criteria, which can be related to the RS types on which the measurements for the respective neighbor cells are based and/or the measurement quantities available for the respective neighbor cells. Such methods include transmitting, to a network node, an RLF report including the one or more measurement lists.Type: ApplicationFiled: December 11, 2024Publication date: April 3, 2025Inventors: Pradeepa Ramachandra, Ali Parichehrehteroujeni, Kristina Zetterberg