Patents Assigned to Parallel Wireless, Inc.
  • Patent number: 11096032
    Abstract: A method is disclosed, comprising: sending position information reflecting a current position of a base station to a coordinating server; receiving a warning request message from an operator core network containing an emergency area; calculating a geographic area corresponding to an emergency tracking area by translating the emergency area from a set of base stations to the geographic area; determining whether the base station may be outside of a threshold distance from the geographic boundary of the emergency tracking area; and sending the warning request message when the base station may be within the threshold distance from the geographic boundary of the emergency tracking area.
    Type: Grant
    Filed: June 16, 2020
    Date of Patent: August 17, 2021
    Assignee: Parallel Wireless, Inc.
    Inventors: Ravikiran Raje, Sridhar Donepudi
  • Patent number: 11095645
    Abstract: Systems and methods are disclosed for a local evolved packet core (EPC) that interoperates with an eNodeB and a remote EPC.
    Type: Grant
    Filed: February 25, 2020
    Date of Patent: August 17, 2021
    Assignee: Parallel Wireless, Inc.
    Inventors: Kaitki Agarwal, Steven Paul Papa, Rajesh Kumar Mishra
  • Patent number: 11044699
    Abstract: Systems and methods for improved paging are described. In one embodiment, a method is described, comprising: providing a combined database in a heterogeneous radio access network at a coordinating gateway between a plurality of radio access network nodes and a plurality of core network nodes; at the coordinating gateway, storing a first location of a user device in the combined database in association with a user device identifier and based on receiving a first user device registration request at a first radio access network; at the coordinating gateway, storing a second location of the user device in the combined database in association with the user device identifier and based on receiving a second user device registration request at a second radio access network; and querying the combined database for a last known location of the user device across both the first and the second radio access network.
    Type: Grant
    Filed: September 1, 2020
    Date of Patent: June 22, 2021
    Assignee: Parallel Wireless, Inc.
    Inventors: Anoop Gupta, Kartik Shashikant Raval
  • Patent number: 11039419
    Abstract: A method is described, comprising: creating, at a coordinating server, a user page cache table, the user page cache table associates a user equipment (UE) identifier with a last known location of the UE and a virtual base station instance; creating, at the coordinating server, a neighbor relation table, the neighbor relation table associates each cell to neighbor cells; receiving, at the coordinating server from a core network, a paging message for a user equipment (UE), the paging message comprises a tracking area identity (TAI), the UE identifier, and the virtual base station instance; querying, at the coordinating server, in the user page cache table based on the UE identifier received in the paging message to identify the virtual base station instance and the last known location; forwarding, from the coordinating server to the last known location of the UE, the paging message based on the queried last known location.
    Type: Grant
    Filed: June 9, 2020
    Date of Patent: June 15, 2021
    Assignee: Parallel Wireless, Inc.
    Inventors: Karuppasamy Kasirajan, Kartik Shashikant Raval, Rajesh Gupta, Anoop Gupta, Michael Yasuhiro Saji
  • Patent number: 11026276
    Abstract: A method is disclosed for providing IP access across packet data network gateways (PGWs), comprising: receiving, from a UE, at a coordinating node, an attach request; sending a request to create a first new session to a first PGW; sending a request to create a second new session to a second PGW; receiving, from the first PGW and at the coordinating node, a first request for policies for the UE; receiving, from the second PGW and at the coordinating node, a second request for policies for the UE; opening a first data tunnel from the coordinating node to the first PGW; opening a second data tunnel from the coordinating node to the second PGW without closing the first data tunnel; and opening a data tunnel between the UE and the coordinating node for providing IP access to both the first PGW and the second PGW.
    Type: Grant
    Filed: June 11, 2019
    Date of Patent: June 1, 2021
    Assignee: Parallel Wireless, Inc.
    Inventor: Zeev Lubenski
  • Patent number: 11026136
    Abstract: Systems and methods for handovers with simplified network topology are disclosed. In a first embodiment, a method is disclosed, comprising: at a coordinating gateway during a handover of a mobile device from a first base station to a second base station, receiving a first handover request from the first base station; discarding a first shared security key received in the first handover request; sending a tunnel switching request to a core network node; obtaining precursors for a second shared security key from the core network node in a response to the switching request; sending a second handover request to the second base station with the precursors to calculate the second shared security key for securing a data connection for the mobile device following the handover; deriving the second shared security key from the obtained precursors at the first base station; and deriving the second shared security key from the obtained precursors at the coordinating gateway.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: June 1, 2021
    Assignee: Parallel Wireless, Inc.
    Inventors: Kartik Shashikant Raval, Sourabh Nanoti, Prashanth Rao, Praveen Kumar, Anupam Goyal, Harish Kumar Lohar
  • Patent number: 11012853
    Abstract: Systems, methods and computer software are disclosed for performing a secure software update in a mesh network. In one embodiment, a method is disclosed, comprising: receiving, at each node of a network, a notification from a coordinating server, wherein each node of the network is listening for an image available notification; receiving, at a first node of the network, the image available notification; downloading and installing a software update image by the first node of the network; broadcasting, at the first node of the network, the image available notification to other peer nodes of the first node of the network; and downloading and installing the software update image from the first node of the network by at least one other peer node of the network.
    Type: Grant
    Filed: November 20, 2019
    Date of Patent: May 18, 2021
    Assignee: Parallel Wireless, Inc.
    Inventors: Daniel P. Donahue, Robert Getschmann
  • Patent number: 11012348
    Abstract: A method is disclosed, comprising: receiving a first and a second Internet Protocol (IP) packet at a mesh network node; tagging the first and the second IP packet at the mesh network node based on a type of traffic by adding an IP options header to each of the first and the second IP packet; forwarding the first and the second IP packet toward a mesh gateway node; filtering the first and the second IP packet at the mesh gateway node based on the added IP options header by assigning each of the first and the second IP packet to one of a plurality of message queues, each of the plurality of message queues having a limited forwarding throughput; and forwarding the first and the second IP packet from the mesh gateway node toward a mobile operator core network, thereby providing packet flow filtering based on IP header and traffic type.
    Type: Grant
    Filed: April 7, 2020
    Date of Patent: May 18, 2021
    Assignee: Parallel Wireless, Inc.
    Inventors: Sumit Garg, Gaurav Kumar
  • Patent number: 10993135
    Abstract: Systems and methods are disclosed for assigning a quality of service to a data packet in a communications network by mapping a Wi-Fi access layer identifier such as an SSID to a value in a datagram header, and subsequently using the datagram header to assign an appropriate data bearer for the datagram, the data bearer having a quality of service class identifier appropriate for the type of traffic expected to be sent over the particular Wi-Fi access layer.
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: April 27, 2021
    Assignee: Parallel Wireless, Inc.
    Inventors: Yang Cao, Sumit Garg, Anand Bhaskarwar, Steven Beaudette, Mohit Chugh
  • Patent number: 10986550
    Abstract: A method for localizing a voice call is disclosed, comprising: receiving an originating leg setup message for an originating leg bearer from the first base station for a first user equipment (UE); creating a first call correlation identifier and storing the first call correlation identifier in association with the first UE; extracting a second call correlation identifier from a terminating leg setup message for a terminating leg bearer received from the core network; determining a real time protocol (RTP) localization status for the originating leg bearer and the terminating leg bearer based on matching the second call correlation identifier of the terminating leg against the stored first call correlation identifier of the originating leg; and sending transport layer assignment messages to the first base station to redirect RTP packets from the first UE to the second UE via the terminating leg bearer without the RTP packets transiting the core network.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: April 20, 2021
    Assignee: Parallel Wireless, Inc.
    Inventors: Kaitki Agarwal, Jitender Arora, Rajesh Kumar Mishra, Babu Rajagopal, Praveen Kumar, Yang Cao
  • Patent number: 10986691
    Abstract: A method for topology hiding is disclosed, comprising: receiving, at a gateway, the gateway positioned between a core network and a radio access network, a configuration information request from a base station; analyzing, at the gateway, a topology of the radio access network, the radio access network including the base station; grouping, at the gateway, the base station into a first group based on the topology; sending, from the gateway to the base station, a grouping message to indicate that the base station be placed in the first group; and terminating connections from the core network to one or more base stations in the first group at the gateway as a back-to-back proxy, thereby hiding the topology of the radio access network from the core network.
    Type: Grant
    Filed: February 25, 2020
    Date of Patent: April 20, 2021
    Assignee: Parallel Wireless, Inc.
    Inventors: Yang Cao, Zeev Lubenski, Kaitki Agarwal, Prashanth Rao, Rahul Atri
  • Patent number: 10979946
    Abstract: Systems and methods for performing handover coordination between base stations are disclosed. In a first embodiment, a method is disclosed, comprising: receiving, at a base station, a first serving cell signal measurement and a first neighbor cell signal measurement from a particular user equipment (UE); sending an adjustment message, from the base station to the UE, containing a cell-specific offset of the serving cell and a cell-specific offset of the neighbor cell in a reporting threshold based on at least one handover adjustment factor received from a coordinating node; receiving, at the base station and subsequent to adjusting the cell-specific offsets, a second serving cell signal measurement and a second neighbor cell signal measurement; and deciding whether to trigger a handover event based on the first and the second serving cell signal measurement and the first and the second neighbor cell signal measurement and the cell-specific offsets.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: April 13, 2021
    Assignee: Parallel Wireless, Inc.
    Inventors: Yang Cao, Zeev Lubenski, Kaitki Agarwal, Prashanth Rao, Rahul Atri
  • Patent number: 10979948
    Abstract: Systems and methods for performing handover coordination between base stations are disclosed. In a first embodiment, a method is disclosed, comprising: receiving, at a base station, a first serving cell signal measurement and a first neighbor cell signal measurement from a particular user equipment (UE); sending an adjustment message, from the base station to the UE, containing a cell-specific offset of the serving cell and a cell-specific offset of the neighbor cell in a reporting threshold based on at least one handover adjustment factor received from a coordinating node; receiving, at the base station and subsequent to adjusting the cell-specific offsets, a second serving cell signal measurement and a second neighbor cell signal measurement; and deciding whether to trigger a handover event based on the first and the second serving cell signal measurement and the first and the second neighbor cell signal measurement and the cell-specific offsets.
    Type: Grant
    Filed: November 10, 2017
    Date of Patent: April 13, 2021
    Assignee: Parallel Wireless, Inc.
    Inventors: Yang Cao, Zeev Lubenski, Kaitki Agarwal, Prashanth Rao, Rahul Atri
  • Patent number: 10972934
    Abstract: A method for utilizing quality of service information in a network with tunneled backhaul is disclosed, comprising: establishing a backhaul bearer at a base station with a first core network, the backhaul bearer established by a backhaul user equipment (UE) at the base station, the backhaul bearer having a single priority parameter, the backhaul bearer terminating at a first packet data network gateway in the first core network; establishing an encrypted internet protocol (IP) tunnel between the base station and a coordinating gateway in communication with the first core network and a second core network; facilitating, for at least one UE attached at the base station, establishment of a plurality of UE data bearers encapsulated in the secure IP tunnel, each with their own QCI; and transmitting prioritized data of the plurality of UE data bearers via the backhaul bearer and the coordinating gateway to the second core network.
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: April 6, 2021
    Assignee: Parallel Wireless, Inc.
    Inventors: Pratik Vinod Mehta, Yang Cao, Sumit Garg, Kaitki Agarwal, Rajesh Kumar Mishra
  • Patent number: 10959275
    Abstract: A method for providing stateful proxying is disclosed, comprising: associating a first base station with a first base station identifier at a signaling protocol gateway, and with a first Internet Protocol (IP) address of the signaling protocol gateway; associating a second base station with a second base station identifier at the signaling protocol gateway, and with a second IP address of the signaling protocol gateway; establishing a first signaling protocol connection between a third base station and the first base station via the signaling protocol gateway with the first base station using the first IP address of the signaling protocol gateway; and establishing a signaling protocol connection between the third base station and the second base station with the second base station using the second IP address of the signaling protocol gateway.
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: March 23, 2021
    Assignee: Parallel Wireless, Inc.
    Inventors: Rajesh Kumar Mishra, Anupam Goyal, Kartik Shashikant Raval, Harish Kumar Lohar
  • Patent number: 10938621
    Abstract: A method is disclosed for out-of-band data communication with a base station in a wireless network, the method comprising: determining, at a base station in a cellular access network, the base station configured to use a coordination server and to a first core network for providing network access to user equipments (UEs), an occurrence of an event regarding a communication problem related to the base station; sending an out-of-band message, via an embedded UE module coupled to the base station attached to a second core network, to the coordination server, based on the occurrence of the event at the base station; updating, at the coordination server, a stored status for the base station, thereby enabling a status of the base station to be updated at the coordination server via an out-of-band message.
    Type: Grant
    Filed: February 19, 2019
    Date of Patent: March 2, 2021
    Assignee: Parallel Wireless, Inc.
    Inventors: Rajesh Kumar Mishra, Randy Rutherford, Sumit Garg, Jitender Arora, Babak Jafarian, Christopher Simmonds
  • Patent number: 10939348
    Abstract: A method is disclosed for avoiding unnecessary keepalive data transfers, comprising: receiving, at an upstream TCP connection endpoint in a radio access network (RAN) from an operator core network, an Internet Protocol (IP) packet; performing, at the upstream TCP connection endpoint, shallow packet inspection on the IP packet; and forwarding the IP packet to the downstream TCP connection endpoint in the RAN if the IP packet is not a keepalive packet, based on the performed shallow packet inspection. The upstream TCP connection endpoint in the RAN may be one of a nodeB, an eNodeB, a base transceiver station (BTS), a coordinating server, and a mobile edge computing (MEC) gateway. The downstream TCP connection endpoint in the RAN may be one of the nodeB, the eNodeB, or the base transceiver station (BTS).
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: March 2, 2021
    Assignee: Parallel Wireless, Inc.
    Inventors: Zeev Lubenski, Jitender Arora
  • Patent number: 10932164
    Abstract: Systems and methods are disclosed for a CDMA base station management gateway for integrating CDMA into an LTE Evolved Packet Core (EPC) core network. In one embodiment, a system is disclosed, comprising: a base station management gateway situated between a code division multiple access (CDMA) base transceiver station (BTS) and an Evolved Packet Core (EPC) core network, the base station management gateway also situated between an additional base station and the EPC core network, the base station management gateway The method may further comprise: a stateful interworking proxy configured to perform interworking of CDMA signaling to Evolved Universal Mobile Telecommunications System Terrestrial Radio Access (EUTRAN) signaling by using an S2a/S2b interface toward the EPC and an A10/A11 interface towards the CDMA BTS; and a packet routing virtual function configured to enable mobile devices attached to the CDMA BTS to obtain IP connectivity via the EPC core network.
    Type: Grant
    Filed: January 29, 2018
    Date of Patent: February 23, 2021
    Assignee: Parallel Wireless, Inc.
    Inventors: Jitender Arora, Kaitki Agarwal, Rajesh Kumar Mishra, Arun Seshadri
  • Patent number: 10931496
    Abstract: A method for measuring channel quality in a wireless transceiver is disclosed, comprising: receiving, at a wireless transceiver, an analog signal from a user equipment (UE); converting the analog signal to a plurality of digital samples at an analog to digital converter (ADC); performing a fast Fourier transform (FFT) on the plurality of digital samples to generate frequency domain samples; identifying an uplink demodulation reference signal (DMRS) symbol; performing channel estimation on the DMRS symbol to identify an estimate of channels; creating a noise covariance matrix from the estimate of channels; and deriving an interference measure from the noise covariance matrix.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: February 23, 2021
    Assignee: Parallel Wireless, Inc.
    Inventors: Ajay Sharma, Somasekhar Pemmasani
  • Patent number: 10925099
    Abstract: A method for providing increased backhaul capacity in an ad-hoc mesh network is disclosed. The method involves attaching a mobile base station in an ad-hoc mesh network to a macro cell; measuring at least one of a backhaul signal quality with the macro cell and a throughput to the macro cell; reporting information, including a signal quality parameter, a physical position of the mobile base station, a cell identifier of the macro cell, and the measured throughput, to a coordinating node; determining if the connection between the mobile base station and the macro cell is currently in use by the ad-hoc mesh network, and whether the link exceeds a minimum quality threshold; and sending, to the mobile base station, an instruction to advertise a connection from the mobile base station to the macro cell to other nodes in the ad-hoc mesh network.
    Type: Grant
    Filed: October 15, 2019
    Date of Patent: February 16, 2021
    Assignee: Parallel Wireless, Inc.
    Inventor: Pratik Vinod Mehta