公开(公告)号：US20250119933A1

公开(公告)日：2025-04-10

申请号：US18836162

申请日：2023-02-06

Applicant: CENTRE OF EXCELLENCE IN WIRELESS TECHNOLOGY ,  INDIAN INSTITUTE OF TECHNOLOGY MADRAS (IIT MADRAS)

Inventor： Priyanka DEY ,  Abhijeet Abhimanyu MASAL ,  Deepak Padmanabhan MAYA ,  Jeniston Deviraj Klutto MILLETH ,  Bhaskar RAMAMURTHI

IPC: H04W72/541 ,  H04L5/00 ,  H04W24/10 ,  H04W72/21

Abstract: A method for managing cross-link interference in wireless communication network is de-scribed. The method comprises receiving, by a first User Equipment (UE), information re-lated to a Reference Signal (RS), from a Base Station (BS). The information is at least one of a phase rotation and a number of repetitions in time domain. The first UE may generate the RS based on the information. The first UE may transmit the RS with a first timing ad-vance to a second UE. A method for reporting the cross-link interference in the wireless communication network is described. The method comprises receiving the RS by the first UE. The first UE may determine a parameter of the RS. The first UE detects occurrence of a trigger event and transmits a report based on the parameter. The report may be transmitted to the BS using a physical layer or a medium access control (MAC) layer.

公开(公告)号：US20250007765A1

公开(公告)日：2025-01-02

申请号：US18709408

申请日：2022-11-10

Applicant: Centre of Excellence in Wireless Technology ,  Indian Institute of Technology Madras (IIT Madras)

Inventor： Dhivagar Baskaran ,  Vishakha Singh ,  Thirunageswaram Ramachandran Ramya ,  Jeniston Deviraj Klutto Milleth ,  Bhaskar Ramamurthi

IPC: H04L27/26 ,  H04L5/00 ,  H04W72/044

Abstract: A system (102) and method (200) of processing a bit stream for transmission over a wireless communication network (100) is described. The method comprises mapping, by a transmitting node (102), a bit stream to obtain at least one modulation symbol. A set of modulation symbols may be selected from the at least one modulation symbol based on one or more predefined precoding criteria, for enabling transform-precoding of the set of modulation symbols. The transform-precoding of the set of modulation symbols may be performed to obtain precoded symbols.

公开(公告)号：US20240429979A1

公开(公告)日：2024-12-26

申请号：US18699030

申请日：2022-09-20

Applicant: CENTRE OF EXCELLENCE IN WIRELESS TECHNOLOGY ,  INDIAN INSTITUTE OF TECHNOLOGY MADRAS (IIT MADRAS)

Inventor： Priyanka DEY ,  Deepak Padmanabhan MAYA ,  Abhijeet Abhimanyu MASAL ,  Vikram SINGH ,  Jeniston Deviraj Klutto MILLETH ,  Bhaskar RAMAMURTHI

IPC: H04B7/06 ,  H04B7/04 ,  H04B17/14 ,  H04L5/00

Abstract: A method of communication in a cellular network is described. The method comprises establishing, by at least one first node. a connection with at least one second node. At least one first node receives capability information of the at least one second node. One or more of the at least one first node. the at least one second node. and at least one third node calibrate a channel among one or more of the at least one first node. the at least one second node, and at least one third node. The at least one first node transmits control information to the at least one second node. based on at least one of the calibration information and the capability information. The at least one second node beamforms signals transmitted to and received from the at least one third node

公开(公告)号：US12096350B2

公开(公告)日：2024-09-17

申请号：US18135251

申请日：2023-04-17

Applicant: Centre of Excellence in Wireless Technology ,  Indian Institute Of Technology Madras (IIT Madras)

Inventor： Priyanka Dey ,  Deepak Padmanabhan Maya ,  Thirunageswaram Ramachandran Ramya ,  Chandrasekaran Mohandoss ,  Abhijeet Abhimanyu Masal ,  Sunil Kaimalettu ,  Jeniston Deviraj Klutto Milleth ,  Bhaskar Ramamurthi

IPC: H04W48/18 ,  H04L5/14 ,  H04W24/02 ,  H04W24/08 ,  H04W48/16 ,  H04W76/10

CPC classification number: H04W48/18 ,  H04L5/1438 ,  H04W24/02 ,  H04W24/08 ,  H04W48/16 ,  H04W76/10

Abstract: The present invention relates to a method of signalling in an Integrated Access and Backhaul (IAB) network. The method comprises signalling information related to multiplexing capability and supported modes of operation from the child IAB node to the parent IAB node. An active mode of operation is determined at the child IAB node. The configuration to operate in the active mode of operation is signalled to the child IAB node. Timing Advance (TA) for each active mode of operation, guard information for each active mode of operation are signalled as configuration for the active mode of operation. Further, the method comprises signalling exchanges for fallback from one mode of operation to another at child IAB nodes.

公开(公告)号：US11785612B2

公开(公告)日：2023-10-10

申请号：US17450892

申请日：2021-10-14

Applicant: Centre of Excellence in Wireless Technology ,  Indian Institute of Technology Madras

Inventor： Jyothi Pardhasarathy ,  Deepak Agarwal ,  Ebin Chacko ,  Budama Sree Charan Teja Reddy ,  Chandrasekaran Mohandoss ,  Thirunageswaram Ramachandran Ramya ,  Sunil Kaimalettu ,  Jeniston Deviraj Klutto Milleth ,  Bhaskar Ramamurthi

IPC: H04W72/10 ,  H04L5/00 ,  H04W72/23

CPC classification number: H04W72/23 ,  H04L5/0048

Abstract: The present invention relates to a method of reducing blind decoding attempts by a User Equipment (UE) in a telecommunication network. The method comprises configuring a Search Space (SS) configuration to the UE. A Base Station (BS) signals one of a subset of Aggregation Levels (ALs) to be monitored based on channel quality of the UE and an associated time period, and a value of multiplication factor (k) and an associated time period. The UE iteratively monitors a Physical Downlink Control Channel (PDCCH) on the ALs signalled by the BS till the UE stops receiving a new configuration. The UE performs one of adopting an original configuration, requesting the BS for a new configuration, utilizing a default configuration or utilizing an original configuration.

公开(公告)号：US11659482B2

公开(公告)日：2023-05-23

申请号：US17359703

申请日：2021-06-28

Applicant: Centre of Excellence in Wireless Technology ,  Indian Institute Of Technology Madras (IIT Madras)

Inventor： Priyanka Dey ,  Deepak Padmanabhan Maya ,  Thirunageswaram Ramachandran Ramya ,  Chandrasekaran Mohandoss ,  Abhijeet Abhimanyu Masal ,  Sunil Kaimalettu ,  Jeniston Deviraj Klutto Milleth ,  Bhaskar Ramamurthi

IPC: H04W48/18 ,  H04W48/16 ,  H04L5/14 ,  H04W24/02 ,  H04W76/10 ,  H04W24/08

CPC classification number: H04W48/18 ,  H04L5/1438 ,  H04W24/02 ,  H04W24/08 ,  H04W48/16 ,  H04W76/10

Abstract: The present invention relates to a method of signalling in an Integrated Access and Backhaul (IAB) network. The method comprises signalling metrics from a parent IAB node to a child IAB node for association of the child IAB node with the parent IAB node. Information related to multiplexing capability and supported modes of operation is signalled from the child IAB node to the parent IAB node. An active mode of operation is determined at the child IAB node. Timing Advance (TA) for each active mode of operation, guard information for each active mode of operation, and exchanges for In-Band Full Duplexing (IBFD) mode of operation are signalled. Further, fallback capability of IAB nodes during presence of Self-Interference (SI) is also signalled.

公开(公告)号：US20220338199A1

公开(公告)日：2022-10-20

申请号：US17810807

申请日：2022-07-05

Applicant: Centre of Excellence in Wireless Technology ,  Indian Institute of Technology Madras (IIT Madras)

Inventor： Pardhasarathy Jyothi ,  Deepak Padmanabhan Maya ,  Chandrasekaran Mohandoss ,  Thirunageswaram Ramachandran Ramya ,  Klutto Milleth Jeniston Deviraj ,  Bhaskar Ramamurthi

IPC: H04W72/04 ,  H04W88/14

Abstract: Accordingly embodiments herein achieve signaling method and system (2000) for provisioning signalling in an Integrated Access Backhaul (IAB) network (1000). The method includes providing a set of modifications in uplink and downlink signaling for an IAB node (100). The modifications either help to reduce the control channel payload or enable more flexible signaling of resources, improve efficient control channel scheduling and also avoid conflicts that might arise due to discrepancies between semi static and dynamic resource allocation.

公开(公告)号：US11374705B2

公开(公告)日：2022-06-28

申请号：US17138545

申请日：2020-12-30

Applicant: Centre of Excellence in Wireless Technology ,  Indian Institute of Technology Madras (IIT Madras)

Inventor： Abhijeet Abhimanyu Masal ,  Priyanka Dey ,  Sunil Kaimalettu ,  Dhivagar Baskaran ,  Paka Venkata Sriharsha ,  Jeniston Deviraj Klutto Milleth ,  Bhaskar Ramamurthi

IPC: H04L5/00 ,  H04L27/26

Abstract: Embodiments herein provides a method and apparatus for data communication in an OFDM system. The method comprising receiving by a second OFDM apparatus a plurality of parameters, a signal comprising data and at least one of a Reference Signal (RS) and a message from a first OFDM apparatus. The plurality of parameters comprises at least one of a numerology of the first apparatus, a numerology of the second apparatus, a ratio of numerology of the first apparatus to the second apparatus and a measurement window. The method includes filtering a desired band comprising the at least one of the RS and the message from the received signal, removing a cyclic prefix from the filtered signal, and decoding at least one of the RS and the message from the signal with adjusting a circular shift in the set of symbols based on the plurality of parameters.

公开(公告)号：US11349548B2

公开(公告)日：2022-05-31

申请号：US16887801

申请日：2020-05-29

Applicant: Centre of Excellence in Wireless Technology ,  Indian Institute of Technology Madras (IIT Madras)

Inventor： Chandrasekaran Mohandoss ,  Thirunageswaram Ramachandran Ramya ,  Jeniston Deviraj Klutto Milleth ,  Bhaskar Ramamurthi

IPC: H04B7/06 ,  H04B7/08 ,  H04W16/28 ,  H04L5/00 ,  H04B17/336 ,  H04B17/318 ,  H04W24/10

Abstract: Accordingly, the embodiment provides a method for detecting a beam failure event by a Base Station (BS) (100) in a wireless network (1000). The method includes transmitting at least one of a resource scheduling configuration and a reference signal configuration to at least one first User Equipment (UE) (300a) in the wireless network (1000). Further, the method includes determining whether at least one response is received from the first UE (300a). Further, the method includes detecting a beam failure event associated with at least one beam from the plurality of beams of the first UE (300a) in response to determining that the at least one response is not received from the first UE (300a).

公开(公告)号：US20220132447A1

公开(公告)日：2022-04-28

申请号：US17451952

申请日：2021-10-22

Applicant: Centre of Excellence in Wireless Technology ,  Indian Institute of Technology Madras (IIT Madras)

Inventor： Abhijeet Abhimanyu Masal ,  Priyanka Dey ,  Sunil Kaimalettu ,  Jeniston Deviraj Klutto Milleth ,  Bhaskar Ramamurthi

IPC: H04W56/00 ,  H04B7/185 ,  H04L5/00 ,  G01S19/46

Abstract: A system and a method for performing uplink (UL) time synchronization in non-terrestrial networks (NTN) include Performing Downlink (DL) synchronization SSB signals. At least one information is received by a UE 102 from an NTN BS 104. A location information of a satellite is obtained using the at least one information received by the UE 102. Location of the UE 102 is estimated using one of GNSS receiver of the UE 102 and by processing at least one reference signal received by the UE 102 from multiple NTN-BS 104, using at least one multilateration technique and RTK. Timing Advance (TA) estimate is determined using the location of the satellite and location of the UE 102. TA applied is determined using the TA estimate and TA margin. PRACH is transmitted based on the TA applied and an information related to the TA applied is reported to the NTN-BS 104. Residual TA is estimated using the reported information related to the TA applied and the detected PRACH. The residual TA is indicated to the UE 102 for subsequent UL transmissions, in order to achieve the UL time synchronization in the NTN based communication network.