Patents by Inventor Iyab Issam SAKHNINI

Iyab Issam SAKHNINI 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).

  • Publication number: 20220210784
    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless communication device may receive, in a first time slot, a cyclic prefix (CP) at a start end of the first time slot, data content, and tail samples at a tail end of the first time slot. The wireless communication device may initiate a gap action, such as switching beams, during receipt of the tail samples, the gap action taking place within a time gap formed by at least the tail samples. The time gap may also include a CP of a second time slot that is subsequent to the first time slot. The wireless communication device may complete the gap action within the time gap. Numerous other aspects are described.
    Type: Application
    Filed: December 28, 2020
    Publication date: June 30, 2022
    Inventors: Iyab Issam SAKHNINI, Tao LUO, Xiaoxia ZHANG
  • Publication number: 20220200746
    Abstract: Methods, systems, and devices for wireless communications are described. A wireless device may monitor for a transmission of a synchronization signal block that includes a first portion generated using a first waveform type and a second portion using a second waveform type that is different than the first waveform type. The wireless device may detect the first portion of the synchronization signal block based on the first waveform type used for the first portion. After detecting the first portion of the synchronization signal block, the wireless device may process the second portion of the synchronization signal block based on information obtained from the first portion of the synchronization signal block. The information obtained from the first portion of the synchronization signal block may include timing information, frequency information, or both.
    Type: Application
    Filed: December 23, 2020
    Publication date: June 23, 2022
    Inventors: Iyab Issam Sakhnini, Tao Luo, Juan Montojo, Xiaoxia Zhang, Jun Ma, Zhifei Fan
  • Publication number: 20220200824
    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, via a single carrier communication, a synchronization signal block (SSB) with time division multiplexed symbols that include a physical broadcast channel (PBCH) symbol and one or more of a primary synchronization signal (PSS) symbol, a secondary synchronization signal (SSS) symbol, or a demodulation reference signal (DMRS) symbol. The UE may demodulate the PBCH symbol using a channel estimation for the PBCH symbol that is based at least in part on one or more channel estimations of the PSS symbol, the SSS symbol, or the DMRS symbol. Numerous other aspects are described.
    Type: Application
    Filed: December 18, 2020
    Publication date: June 23, 2022
    Inventors: Iyab Issam SAKHNINI, Tao LUO
  • Publication number: 20220182272
    Abstract: Methods, systems, and devices for wireless communication are described. A communication device, such as, a base station and a UE may support transmitting and receiving information bits according to one or more index modulation schemes. For example, the communication device may support conveying information bits using a reference signal index modulation scheme, which uses reference signals transmissions using particular resources or reference signal sequences, or both, to convey the information bits. The communication device may improve reference signal resource usage by supporting a multi-mode reference signal index modulation scheme, which utilizes all reference signal resources to convey the information bits. By using the multi-mode reference signal index modulation scheme, the communication device may, as a result, include features for improvements to conveying information bits, among other benefits.
    Type: Application
    Filed: December 4, 2020
    Publication date: June 9, 2022
    Inventors: Iyab Issam Sakhnini, Peter Gaal, Tao Luo, Mahmoud Taherzadeh Boroujeni, Junyi Li, Wanshi Chen, Juan Montojo
  • Publication number: 20220182993
    Abstract: Methods, systems, and devices for wireless communications are described. Devices in a wireless communications system may support different configurations to support intra-symbol multiplexing for communications between the devices using a single carrier waveform. For example, the different configurations may include symbol level cyclic prefixes, device-specific or channel-specific cyclic prefixes, device-specific or channel-specific guard intervals, or a combination thereof to support the intra-symbol multiplexing. That is, the cyclic prefixes or guard intervals may separate different fractions of a symbol, such that individual signals communicated in each of the different fractions do not leak into a subsequent fraction to cause interference. In some implementations, the cyclic prefixes or guard intervals may be enabled for a subset of devices or channels.
    Type: Application
    Filed: December 8, 2020
    Publication date: June 9, 2022
    Inventors: Xiaoxia Zhang, Jing Sun, Jun Ma, Zhifei Fan, Wooseok Nam, Iyab Issam Sakhnini, Tao Luo
  • Publication number: 20220182171
    Abstract: Methods, systems, and devices for wireless communication are described that support communication of information buts based on reference signal index modulation (RS-IM). A base station and a UE may transmit a number of downlink and uplink information bits (e.g., downlink control bits, uplink control bits) using index modulation schemes applied on references signals. A base station and a UE may transmit reference signal transmissions using reference signal index modulation, in which a set of information bits may be encoded using one or more coding techniques, in conjunction with RS-IM techniques, to enhance reliability of some or all of the information bits. Error detection bits may be added to the information bits, and included when coding is performed. Coding may include channel coding, repetition of reference signals for combining at a receiving device, or any combinations thereof.
    Type: Application
    Filed: December 3, 2020
    Publication date: June 9, 2022
    Inventors: Iyab Issam Sakhnini, Tao Luo, Peter Gaal, Wanshi Chen, Juan Montojo, Junyi Li, Mahmoud Taherzadeh Boroujeni
  • Patent number: 11356171
    Abstract: Methods, systems, and devices for wireless communications are described and may include a user terminal and a satellite establishing a communication link over a channel having a channel delay and a medium access control-control element (MAC-CE) delay being determined based on the channel delay. The user terminal and the satellite may be within a non-terrestrial network (NTN). The user terminal may receive a MAC-CE command that indicates a communication parameter to be implemented or adjusted. The user terminal may transmit feedback, for example, to the satellite in response to the MAC-CE command, and the user terminal and the satellite may communicate according to the communication parameter in the MAC-CE command after an end of the MAC-CE delay.
    Type: Grant
    Filed: September 5, 2019
    Date of Patent: June 7, 2022
    Assignee: QUALCOMM Incorporated
    Inventors: Huilin Xu, Xiao Feng Wang, Iyab Issam Sakhnini, Peter Gaal, Jun Ma
  • Publication number: 20220150737
    Abstract: A method of wireless communication includes receiving, by a user equipment (UE), a first transmission and transmitting, by the UE, a first measurement report that is based on the first transmission and includes at least a first measurement result. The method further includes receiving, by the UE, a second transmission that includes a demodulation reference signal (DMRS) and further includes transmitting, by the UE, a second measurement report that is based on the DMRS. The second measurement report includes at least a first value that is based on a difference between the first measurement result and a second measurement result that is based on the DMRS.
    Type: Application
    Filed: November 6, 2020
    Publication date: May 12, 2022
    Inventors: Hemant Saggar, Iyab Issam Sakhnini, Tao Luo
  • Publication number: 20220140970
    Abstract: An apparatus, e.g., a UE, for selecting an uplink precoder using a non-codebook-based procedure is disclosed. The UE may receive, from a base station (BS), at least one downlink reference signal comprising at least one DMRS via at least one downlink channel. The UE may measure, based on the at least one downlink reference signal, the at least one downlink channel. The measuring may be based at least in part on the at least one DMRS. The UE may select at least one first uplink precoder for at least one uplink channel corresponding to the at least one downlink channel based on the measuring of the at least one downlink channel. The UE may transmit, to the BS, at least one uplink reference signal based on the at least one first uplink precoder for the at least one uplink channel.
    Type: Application
    Filed: October 29, 2021
    Publication date: May 5, 2022
    Inventors: Hemant SAGGAR, Iyab Issam SAKHNINI, Tao LUO
  • Patent number: 11323174
    Abstract: Disclosed are techniques for paging a user terminal (UT) in a non-terrestrial network (NTN), which may define a plurality of NTN tracking areas (TA). Each NTN TA, served by one or more satellite beams, may move or may be a geographic region. The UT may report its location before changing its connection state with the NTN and may also update its location whenever it moves a threshold distance from the previous reported location. The NTN may estimate UT's current location based on the last reported location and other factors including mobility of the UT. The NTN may determine a UT TA as the NTN TA that corresponds to the current location, and may page the UT through one or more satellite beams corresponding to the UT TA.
    Type: Grant
    Filed: June 23, 2020
    Date of Patent: May 3, 2022
    Assignee: QUALCOMM Incorporated
    Inventors: Xiao Feng Wang, Jun Ma, Huilin Xu, Iyab Issam Sakhnini, Dan Zhang
  • Publication number: 20220123890
    Abstract: An apparatus, e.g., a UE, for transmission of information modulated onto RSs using index modulation is disclosed. The UE may receive, from a base station, a configuration of one or more RS resources of an RS resource set. The one or more RS resources may be associated with an index modulation technique including a plurality of UL or DL information bits. The UE may transmit, to the base station, or receive, from the base station, the plurality of UL or DL information bits. The plurality of UL or DL information bits may include at least one of one or more first bits or one or more second bits. At least one of the one or more RS resources may be selected based on at least one of the one or more first bits or the one or more second bits.
    Type: Application
    Filed: October 13, 2021
    Publication date: April 21, 2022
    Inventors: Iyab Issam SAKHNINI, Tao LUO, Junyi LI, Mahmoud TAHERZADEH BOROUJENI, Wanshi CHEN, Qiang WU, Jun MA, Linhai HE, Peter GAAL
  • Publication number: 20220123821
    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a base station, information associated with identifying a communication diversity configuration. The UE may receive, from the base station, a transport block on a downlink in accordance with the communication diversity configuration. Numerous other aspects are provided.
    Type: Application
    Filed: September 29, 2021
    Publication date: April 21, 2022
    Inventors: Iyab Issam SAKHNINI, Tao LUO
  • Publication number: 20220116254
    Abstract: This disclosure relates to methods, devices, and systems for wireless communications, and more particularly uplink reference signal repetition for non-terrestrial networks. A user terminal in a non-terrestrial network may identify an uplink reference signal format that includes a comb-based pattern of subcarriers within a first orthogonal frequency-division multiplexing (OFDM) symbol and within a second OFDM symbol for transmission of an uplink reference signal. The user terminal may map the uplink reference signal to a first set of subcarriers within the first OFDM symbol and to a second set of subcarriers within the second OFDM symbol in accordance with the comb-based pattern. Thereby, the user terminal may transmit, to a base station in the non-terrestrial network, the uplink reference signal on the mapped subcarriers of the OFDM symbols, which may be transmitted coherently.
    Type: Application
    Filed: October 4, 2021
    Publication date: April 14, 2022
    Inventors: Xiao Feng Wang, Iyab Issam Sakhnini, Peter Gaal, Huilin Xu, Jun Ma, Wei Yang
  • Publication number: 20220110167
    Abstract: Aspects of the present disclosure provide techniques for adjusting the density and/or number of random access channel (RACH) occasion for one or subset of synchronization signal block (SSB) beams from the plurality of available SSB beams. To this end, features of the present disclosure utilize a beam-specific bit-field that is transmitted by the base station to the user equipment (UE) that may indicate RACH occasion density for a SSB beam or a subset of SSB beams. In some aspects, the time and frequency resources for RACH occasion with beam-specific alternative density may be identified via the resources for general RACH occasions. Based on the adjusted RACH occasion density, the UE may select one or time and frequency resources to initiate access with the base station.
    Type: Application
    Filed: October 5, 2021
    Publication date: April 7, 2022
    Inventors: Mahmoud TAHERZADEH BOROUJENI, Tao LUO, Iyab Issam SAKHNINI
  • Publication number: 20220110030
    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive system information associated with a set of neighboring cells included in a non-terrestrial network (NTN). The UE may be connected to or camped in a current cell included in the NTN. The current cell may be associated with a current platform. The UE may monitor a neighboring cell, of the set of neighboring cells, based at least in part on the system information. Numerous other aspects are provided.
    Type: Application
    Filed: December 17, 2021
    Publication date: April 7, 2022
    Inventors: Liangping MA, Huilin XU, Jun MA, Qiang WU, Xiao Feng WANG, Iyab Issam SAKHNINI, Dan ZHANG
  • Patent number: 11296845
    Abstract: Various designs for reference signals for beam management (BM) in non-terrestrial networks (NTNs) in 5G systems are discussed. NTN platforms determine to transmit a BM reference signal associated with a beam in an NTN. The BM reference signal is configured to facilitate beam switching at a wireless communication entity, and the beam having a beam bandwidth. The NTN platforms determines a frequency resource for transmitting the BM reference signal, and transmits, to a wireless communication entity, the BM reference signal in the determined frequency resource. The wireless communication entity monitors the frequency resource, receives the BM reference signal associated with the beam in the frequency resource, and manages beam selection based on the received BM reference signal. Other aspects and features are also claimed and described.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: April 5, 2022
    Assignee: QUALCOMM Incorporated
    Inventors: Huilin Xu, Xiao Feng Wang, Iyab Issam Sakhnini, Jun Ma, Dan Zhang
  • Patent number: 11290206
    Abstract: In some aspects, a user equipment (UE) may receive a configuration from a base station that indicates whether to use a first channel quality indicator (CQI) table from a first set of CQI tables associated with terrestrial network communications or whether to use a second CQI table from a second set of CQI tables associated with non-terrestrial network communications. The UE may transmit CQI feedback to the base station based at least in part on the configuration. The UE may transmit the CQI feedback using the first CQI table when the configuration indicates that the first CQI table is to be used or may transmit the CQI feedback using the second CQI table when the configuration indicates that the second CQI table is to be used.
    Type: Grant
    Filed: March 10, 2020
    Date of Patent: March 29, 2022
    Assignee: QUALCOMM Incorporated
    Inventors: Huilin Xu, Jun Ma, Xiao Feng Wang, Iyab Issam Sakhnini, Dan Zhang
  • Publication number: 20220095137
    Abstract: Aspects presented herein may improve the performance and/or efficiency of a BFD procedure for a UE, where the UE may use DMRS to perform the BFD to reduce the occasion(s) of configuring multiple or frequent CSI-RS resources sets for the UE. In one aspect, an apparatus measures RSRP of one or more reference signals in a reference signal set for a BFD, the one or more reference signals include at least one DMRS. Then the apparatus compares the measurement for the at least one DMRS to a threshold. Then the apparatus initiates or restarts a BFD timer or a BFR procedure based at least in part on the measurement.
    Type: Application
    Filed: August 26, 2021
    Publication date: March 24, 2022
    Inventors: Iyab Issam SAKHNINI, Tao LUO, Olufunmilola Omolade AWONIYI-OTERI, Jelena DAMNJANOVIC
  • Publication number: 20220095145
    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may determine a set of measurements based at least in part on a demodulation reference signal (DMRS) transmitted via a set of beams. The UE may transmit a measurement report indicating the set of measurements based at least in part on the DMRS. Numerous other aspects are provided.
    Type: Application
    Filed: September 2, 2021
    Publication date: March 24, 2022
    Inventors: Iyab Issam SAKHNINI, Tao LUO, Wanshi CHEN, Mahmoud TAHERZADEH BOROUJENI
  • Publication number: 20220095390
    Abstract: To facilitate requesting DG or CG, methods, apparatuses, and computer program products are provided. An example method at a UE includes transmitting, to a base station, an SR or a PRACH associated with a scheduling type indication that indicates a DG or a CG. The example further includes receiving a response from the base station.
    Type: Application
    Filed: August 26, 2021
    Publication date: March 24, 2022
    Inventors: Iyab Issam SAKHNINI, Tao LUO, Olufunmilola Omolade AWONIYI-OTERI, Jelena DAMNJANOVIC