Patents by Inventor DEBDEEP CHATTERJEE

DEBDEEP CHATTERJEE 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).

  • Patent number: 11638246
    Abstract: Systems, apparatuses, methods, and computer-readable media are provided for a user equipment (UE) device that includes one or more processors configured to identify a search space for physical downlink control channel (PDCCH) candidates by: determining whether the search space is a group common search space or a UE specific search space; determining a number of PDCCH candidates per aggregation level (AL); determining a PDCCH monitoring periodicity and a PDCCH monitoring offset for the search space, each including a plurality of slots; determining monitored slots in the monitoring periodicity; determining, for each monitored slot, a monitoring pattern including a set of selected symbols; and determining a set of monitoring occasions corresponding to the set of selected symbols in each monitored slot of each monitoring periodicity. The one or more processors are configured to decode downlink signals received in the set of monitoring occasions to search for PDCCH information for the UE.
    Type: Grant
    Filed: August 8, 2019
    Date of Patent: April 25, 2023
    Assignee: Apple Inc.
    Inventors: Fatemeh Hamidi-Sepehr, Debdeep Chatterjee, Toufiqul Islam, Sergey Panteleev
  • Patent number: 11637656
    Abstract: Provided herein are method and apparatus for channel coding in the fifth Generation (5G) New Radio (NR) system. An embodiment provides an apparatus for a Next Generation NodeB (gNB), including circuitry, which is configured to: generate Downlink Control Information (DCI) payload for a NR-Physical Downlink Control Channel (NR-PDCCH); attach Cyclic Redundancy Check (CRC) to the DCI payload; mask the CRC with an Radio Network Temporary Identifier (RNTI) using a bitwise modulus 2 addition operation, wherein the number of bits for the RNTI is different from the number of bits for the CRC; and perform polar encoding for the DCI payload with the masked CRC.
    Type: Grant
    Filed: March 10, 2021
    Date of Patent: April 25, 2023
    Assignee: Apple Inc.
    Inventors: Debdeep Chatterjee, Hong He, Gang Xiong, Ajit Nimbalker, Dmitry Dikarev, Yongjun Kwak
  • Publication number: 20230117785
    Abstract: A user equipment (UE) may include one or more processors that are configured to cause UE capability information to be communicated to a radio access network (RAN) node, regarding a maximum number of blind decode attempts (BDAs) supported by the UE. The one or more processors are configured to determine, based on the maximum BDAs, shortened channel control elements (sCCEs) to be used, by the RAN node, to transmit shortened downlink control information (sDCI) via a shortened physical downlink control channel (sPDCCH) and obtain sDCI by monitoring the sPDCCH in accordance with the determined sCCEs.
    Type: Application
    Filed: August 24, 2022
    Publication date: April 20, 2023
    Inventors: Debdeep Chatterjee, Gang Xiong, Hong He, Yongjun Kwak, Alexei Davydov, Hwan-Joon Kwon, Dae Won Lee
  • Publication number: 20230089890
    Abstract: Embodiments of a User Equipment (UE), generation Node-B (gNB) and methods of communication are generally described herein. The UE may receive, from a gNB, a narrowband physical downlink control channel (NPDCCH) that indicates a number of narrowband internet-of-things (NB-IoT) downlink subframes for a downlink scheduling delay of a narrowband physical downlink shared channel (NPDSCH) in one or more radio frames configured for time-division duplexing (TDD) operation. Subframes of the one or more radio frames may include uplink subframes, NB-IoT downlink subframes for downlink NB-IoT transmissions, and downlink subframes for other downlink transmissions. The UE may determine the downlink scheduling delay based on an earliest subframe for which a count of NB-IoT downlink subframes is equal to the number of NB-IoT downlink subframes indicated in the NPDCCH.
    Type: Application
    Filed: November 28, 2022
    Publication date: March 23, 2023
    Inventors: Seunghee HAN, Debdeep CHATTERJEE, Qiaoyang YE
  • Patent number: 11601315
    Abstract: Systems, methods, and circuitries are disclosed for determining Precoding Resource Block Groups (PRGs). In one example, a processor of a base station (BS) is configured to determine a plurality of PRGs that includes a number N consecutive Physical Resource Blocks (PRBs) over which a same precoder assignment is used, starting from a reference PRB. The plurality PRGs include a first boundary PRG, a second boundary PRG, and one or more other PRGs. The first boundary PRG is located at an upper boundary of a bandwidth part. The first boundary PRG comprises fewer than N PRBs when the upper boundary of the bandwidth part is not aligned with a PRG boundary. The second boundary PRG comprises fewer than N PRBs when a lower boundary of the bandwidth part is not aligned with a PRG boundary. A downlink data channel is transmitted to a UE in accordance with the precoder assignments.
    Type: Grant
    Filed: November 22, 2021
    Date of Patent: March 7, 2023
    Assignee: Apple Inc.
    Inventors: Gang Xiong, Debdeep Chatterjee, Yushu Zhang, Alexei Davydov, Wook Bong Lee, Dae Won Lee, Sameer Pawar, Jeongho Jeon, Hong He
  • Patent number: 11601824
    Abstract: User equipment (UE) includes processing circuitry coupled to memory. To configure the UE for multi-transmission reception point (TRP) reception, the processing circuitry is to decode radio resource control (RRC) signaling. The RRC signaling includes configuration information configuring a plurality of transmission configuration indication (TCI) states. A media access control (MAC) control element (CE) is decoded, where the MAC CE indicates multiple active TCI states of the configured plurality of TCI states. Multiple received beams are determined using the multiple active TCI states. Downlink information is decoded, where the downlink information originates from multiple TRPs and is received via the determined multiple receive beams associated with the multiple active TCI states.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: March 7, 2023
    Assignee: Apple Inc.
    Inventors: Fatemeh Hamidi-Sepehr, Debdeep Chatterjee, Bishwarup Mondal, Sergey Panteleev, Toufiqul Islam, Yushu Zhang, Alexei Vladimirovich Davydov
  • Patent number: 11595925
    Abstract: Embodiments of efeMTC synchronization signals for enhanced cell search and enhanced system information acquisition are described. In some embodiments, an apparatus of a base station (BS) is configured to generate a length-x sequence for an efeMTC synchronization signal, the length-x sequence configured for repetition in frequency domain within 6 physical resource blocks (PRB). In some embodiments, to generate the length-x sequence, the BS may be configured to select any one index of the set of root indices {1, 2, 63}, excluding the root indices 25, 29 and 34, to correspond to a different physical-layer cell identity (PCID). In some embodiments, the BS may be configured to encode RRC signaling to include a System Information Block (SIB) comprising configuration information for transmission of the efeMTC synchronization signal, and transmit the length-x sequence as the efeMTC synchronization signal in frequency resources according to the SIB.
    Type: Grant
    Filed: August 9, 2021
    Date of Patent: February 28, 2023
    Assignee: Apple Inc.
    Inventors: Salvatore Talarico, Qiaoyang Ye, Debdeep Chatterjee, Seunghee Han, Dae Won Lee
  • Publication number: 20230047403
    Abstract: A device of a New Radio (NR) User Equipment (UE), a method and a machine readable medium to implement the method. The device includes a Radio Frequency (RF) interface, and processing circuitry coupled to the RF interface, the processing circuitry to: determine that the UE is configured with a feature of multiple Physical Uplink Control Channel (PUCCH) resources with HARQ-ACK feedback within a slot; determine a Physical Uplink Control Channel (PUCCH) resource to carry Hybrid Automatic Repeat Request Acknowledgment (HARQ-ACK) feedback in response to a scheduled Physical Downlink Shared Channel (PDSCH) resource; and encode for transmission to a NR evolved NodeB (gNodeB) the PUCCH resource, the PUCCH resource to carry the HARQ-ACK feedback and: another PUCCH resource carrying Uplink Control Information (UCI) other than HARQ-ACK feedback, and a scheduled Physical Uplink Shared Channel (PUSCH) resource.
    Type: Application
    Filed: October 19, 2022
    Publication date: February 16, 2023
    Inventors: Gang Xiong, Debdeep Chatterjee, Fatemeh Hamidi-Sepehr, Toufiqul Islam, Sergey Panteleev
  • Publication number: 20230037852
    Abstract: Various embodiments herein provide techniques paging early indication for a user equipment in an idle and/or inactive state. Other embodiments may be described and claimed.
    Type: Application
    Filed: September 30, 2022
    Publication date: February 9, 2023
    Inventors: Toufiqul Islam, Debdeep Chatterjee
  • Publication number: 20230044098
    Abstract: Embodiments of a User Equipment (UE), Generation Node-B (gNB) and methods of communication are disclosed herein. The UE may attempt to decode sidelink synchronization signals (SLSSs) received on component carriers (CCs) of a carrier aggregation. In one configuration, synchronization resources for SLSS transmissions may be aligned across the CCs at subframe boundaries in time, restricted to a portion of the CCs, and restricted to a same sub-frame. The UE may, for multiple CCs, determine a priority level for the CC based on indicators in the SLSSs received on the CC. The UE may select, from the CCs on which one or more SLSSs are decoded, the CC for which the determined priority level is highest. The UE may determine a reference timing for sidelink communication based on the one or more SLSSs received on the selected CC.
    Type: Application
    Filed: September 22, 2022
    Publication date: February 9, 2023
    Inventors: Ajit Nimbalker, Debdeep Chatterjee, Jeongho Jeon, Fatemeh Hamidi-Sepehr, Sergey Panteleev, Gang Xiong, Alexey Vladimirovich Khoryaev, Mikhail Shilov, Sergey Sosnin, Andrey Chervyakov
  • Publication number: 20230040507
    Abstract: Embodiments of a User Equipment (UE), Generation Node-B (gNB) and methods of communication are disclosed herein. The UE may attempt to decode sidelink synchronization signals (SLSSs) received on component carriers (CCs) of a carrier aggregation. In one configuration, synchronization resources for SLSS transmissions may be aligned across the CCs at subframe boundaries in time, restricted to a portion of the CCs, and restricted to a same sub-frame. The UE may, for multiple CCs, determine a priority level for the CC based on indicators in the SLSSs received on the CC. The UE may select, from the CCs on which one or more SLSSs are decoded, the CC for which the determined priority level is highest. The UE may determine a reference timing for sidelink communication based on the one or more SLSSs received on the selected CC.
    Type: Application
    Filed: September 22, 2022
    Publication date: February 9, 2023
    Inventors: Ajit Nimbalker, Debdeep Chatterjee, Jeongho Jeon, Fatemeh Hamidi-Sepehr, Sergey Panteleev, Gang Xiong, Alexey Vladimirovich Khoryaev, Mikhail Shilov, Sergey Sosnin, Andrey Chervyakov
  • Patent number: 11576029
    Abstract: A user equipment (UE) can receive, from an eNodeB, a serving PLMN system information block (SIB)19 for a carrier frequency of a serving PLMN of the UE. The UE can acquire inter-frequency and inter-PLMN discovery system information acquisition assistance signaling information from the SIB19. The UE can process a non-serving PLMN SIB19 for one or more carrier frequencies of a non-serving PLMN using the inter-frequency and inter-PLMN discovery system information acquisition assistance signaling information. The UE can identify inter-frequency and inter-PLMN discovery announcement rate information and monitoring control configuration information for the one or more carrier frequencies of the non-serving PLMN to enable the UE to perform device-to-device (D2D) discovery with a UE in the non-serving PLMN according to the inter-frequency and inter-PLMN discovery and inter-PLMN discovery announcement rate information and monitoring control configuration information.
    Type: Grant
    Filed: December 24, 2020
    Date of Patent: February 7, 2023
    Assignee: Intel Corporation
    Inventors: Alexey Khoryaev, Sergey Panteleev, Debdeep Chatterjee, Mikhail Shilov
  • Patent number: 11575554
    Abstract: A scrambling sequence generation method is disclosed for reference signals, data, and downlink and uplink control channels. The scrambling sequence generation method determines an initial seed value used to calculate the scrambling sequence. The initial seed value is based on different parameters relating to the to be transmitted signals, and some of these parameters are explicitly defined for New Radio.
    Type: Grant
    Filed: August 6, 2018
    Date of Patent: February 7, 2023
    Assignee: Apple Inc.
    Inventors: Alexei Davydov, Gang Xiong, Debdeep Chatterjee, Hong He, Gregory Morozov, Sameer Pawar, Yushu Zhang, Victor Sergeev, Dmitry Dikarev, Daewon Lee
  • Publication number: 20230035866
    Abstract: Various embodiments herein provide techniques for handling overlap of uplink (UL) channels (e.g., UL control channels and/or UL data channels), such as prioritizing and/or multiplexing uplink channels. In some embodiments, the overlapped channels may have different priorities. Other embodiments may be described and claimed.
    Type: Application
    Filed: September 28, 2022
    Publication date: February 2, 2023
    Inventors: Yi WANG, Toufiqul ISLAM, Debdeep Chatterjee, Sergey Panteleev, Yingyang Li
  • Publication number: 20230029293
    Abstract: Embodiments of a User Equipment (UE), Generation Node-B (gNB) and methods of communication are disclosed herein. The UE may attempt to decode sidelink synchronization signals (SLSSs) received on component carriers (CCs) of a carrier aggregation. In one configuration, synchronization resources for SLSS transmissions may be aligned across the CCs at subframe boundaries in time, restricted to a portion of the CCs, and restricted to a same sub-frame. The UE may, for multiple CCs, determine a priority level for the CC based on indicators in the SLSSs received on the CC. The UE may select, from the CCs on which one or more SLSSs are decoded, the CC for which the determined priority level is highest. The UE may determine a reference timing for sidelink communication based on the one or more SLSSs received on the selected CC.
    Type: Application
    Filed: September 22, 2022
    Publication date: January 26, 2023
    Inventors: Ajit Nimbalker, Debdeep Chatterjee, Jeongho Jeon, Fatemeh Hamidi-Sepehr, Sergey Panteleev, Gang Xiong, Alexey Vladimirovich Khoryaev, Mikhail Shilov, Sergey Sosnin, Andrey Chervyakov
  • Patent number: 11552774
    Abstract: Embodiments described herein relate to time division duplexing (TDD) support for in-band, guard band, and standalone operation modes of narrowband internet-of-things (NB-IoT) systems. At least one example is directed to an indication technique for transmission of a narrowband system information block type 1 (SIB1-NB) on a carrier.
    Type: Grant
    Filed: February 12, 2019
    Date of Patent: January 10, 2023
    Assignee: Apple Inc.
    Inventors: Qiaoyang Ye, Debdeep Chatterjee
  • Publication number: 20230007636
    Abstract: Embodiments of a User Equipment (UE), Generation Node-B (gNB) and methods of communication are disclosed herein. The UE may receive a physical downlink control channel (PDCCH) that schedules a physical downlink shared channel (PDSCH) in a slot, and on a component carrier (CC) of a plurality of CCs, The PDCCH may include a total downlink assignment index (DAI) and a counter DAI for hybrid automatic repeat request acknowledgement (HARQ-ACK) feedback of the PDSCH. The total DAI may indicate a total number of pairs of CCs and slots for the HARQ-ACK feedback. The UE may encode the HARQ-ACK feedback to include a bit that indicates whether the PDSCH is successfully decoded. A size of the HARQ-ACK feedback may be based on the total DAI, and a position of the bit may be based on the counter DAI.
    Type: Application
    Filed: September 6, 2022
    Publication date: January 5, 2023
    Inventors: Hong He, Debdeep Chatterjee, Gang Xiong, Hwan-Joon Kwon, Sergey Sosnin, Yongjun Kwak
  • Publication number: 20230007635
    Abstract: Embodiments of a User Equipment (UE), Generation Node-B (gNB) and methods of communication are disclosed herein. The UE may receive a physical downlink control channel (PDCCH) that schedules a physical downlink shared channel (PDSCH) in a slot, and on a component carrier (CC) of a plurality of CCs. The PDCCH may include a total downlink assignment index (DAI) and a counter DAI for hybrid automatic repeat request acknowledgement (HARQ-ACK) feedback of the PDSCH. The total DAI may indicate a total number of pairs of CCs and slots for the HARQ-ACK feedback. The UE may encode the HARQ-ACK feedback to include a bit that indicates whether the PDSCH is successfully decoded. A size of the HARQ-ACK feedback may be based on the total DAI, and a position of the bit may be based on the counter DAI.
    Type: Application
    Filed: September 6, 2022
    Publication date: January 5, 2023
    Inventors: Hong He, Debdeep Chatterjee, Gang Xiong, Hwan-Joon Kwon, Sergey Sosnin, Yongjun Kwak
  • Publication number: 20220416985
    Abstract: Methods, systems, and storage media are described for physical resource block indexing to provide coexistence for narrow band, carrier aggregation, and wide band user equipment in new radio. Other embodiments may be described and/or claimed.
    Type: Application
    Filed: August 30, 2022
    Publication date: December 29, 2022
    Inventors: Jeongho JEON, Joonyoung CHO, Gang XIONG, Hong HE, Debdeep CHATTERJEE
  • Publication number: 20220416986
    Abstract: Methods, systems, and storage media are described for physical resource block indexing to provide coexistence for narrow band, carrier aggregation, and wide band user equipment in new radio. Other embodiments may be described and/or claimed.
    Type: Application
    Filed: August 30, 2022
    Publication date: December 29, 2022
    Inventors: Jeongho JEON, Joonyoung CHO, Gang XIONG, Hong HE, Debdeep CHATTERJEE