Patents by Inventor Yousuf Saifullah
Yousuf Saifullah 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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Patent number: 9491739Abstract: The exemplary embodiments of this invention generally relate to message header-type notification that, for example, enables the co-existence of a legacy header type with one or more new header types on a same radio link. In one non-limiting, exemplary embodiment, a method includes: determining a type of medium access control (MAC) header to transmit in a MAC transmission; setting a value of a notification field in a resource allocation message based on the determined type of MAC header; and transmitting the resource allocation message. In another non-limiting, exemplary embodiment, a method includes: receiving a resource allocation message having a notification field; and using a value of the notification field to determine a type of medium access control (MAC) header for a MAC transmission.Type: GrantFiled: August 5, 2014Date of Patent: November 8, 2016Assignee: CORE WIRELESS LICENSING S.A.R.L.Inventors: Shashikant Maheshwari, Yousuf Saifullah, Nico VanWaes
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Publication number: 20140341171Abstract: The exemplary embodiments of this invention generally relate to message header-type notification that, for example, enables the co-existence of a legacy header type with one or more new header types on a same radio link. In one non-limiting, exemplary embodiment, a method includes: determining a type of medium access control (MAC) header to transmit in a MAC transmission; setting a value of a notification field in a resource allocation message based on the determined type of MAC header; and transmitting the resource allocation message. In another non-limiting, exemplary embodiment, a method includes: receiving a resource allocation message having a notification field; and using a value of the notification field to determine a type of medium access control (MAC) header for a MAC transmission.Type: ApplicationFiled: August 5, 2014Publication date: November 20, 2014Applicant: CORE WIRELESS LICENSING S.A.R.L.Inventors: Shashikant Maheshwari, Yousuf Saifullah, Nico VanWaes
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Patent number: 8848681Abstract: The exemplary embodiments of this invention generally relate to message header-type notification that, for example, enables the co-existence of a legacy header type with one or more new header types on a same radio link. In one non-limiting, exemplary embodiment, a method includes: determining a type of medium access control (MAC) header to transmit in a MAC transmission; setting a value of a notification field in a resource allocation message based on the determined type of MAC header; and transmitting the resource allocation message. In another non-limiting, exemplary embodiment, a method includes: receiving a resource allocation message having a notification field; and using a value of the notification field to determine a type of medium access control (MAC) header for a MAC transmission.Type: GrantFiled: April 25, 2008Date of Patent: September 30, 2014Assignee: Core Wireless Licensing S.a.r.l.Inventors: Shashikant Maheshwari, Yousuf Saifullah, Nico Van Waes
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Patent number: 8767704Abstract: A method for compressing information in a communication system is provided. The method includes compressing first address data in a first packet stream by using second address data included in a second packet stream.Type: GrantFiled: December 18, 2003Date of Patent: July 1, 2014Assignee: Nokia Solutions and Networks OyInventors: Zhigang Liu, Khiem Le, Yousuf Saifullah
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Patent number: 8582436Abstract: Various example embodiments are disclosed herein. According to an example embodiment, a technique may include allocating periodic resources to a mobile station in a wireless network for transmission of voice data, receiving from the mobile station an indication of a start of a silence period, and adjusting, based on the receiving of the indication of a start of silence period, the allocating of the periodic resources from a size and period of resource for the voice data to a size and period of resource for a silence indication (SID) frame. Alternatively, in response to receiving an indication of a start of silence period, the allocating of periodic resources for the VoIP voice data may be temporarily stopped during the silence period.Type: GrantFiled: September 3, 2009Date of Patent: November 12, 2013Assignee: Nokia Siemens Networks OyInventors: Haihong Zheng, Xiaoyi Wang, Jan Suumäki, Shashikant Maheshwari, Yousuf Saifullah
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Patent number: 8498248Abstract: An apparatus comprising a controller configured to pack a plurality of Service Data Units (SDUs) from a plurality of connections associated with a Mobile Station (MS) into a single Medium Access Control (MAC) Protocol Data Unit (PDU). In various embodiments, the controller may be further configured to generate a Generic MAC Header (GMH) that indicates that a plurality of Service Data Units (SDUs) from a plurality of connections associated with a Mobile Station (MS) have been packed into the MAC PDU. In some embodiments, the controller may be further configured to generate, for each SDU, an associated Extended Packing Sub-Header (EPSH). The apparatus further comprising a memory configured to store MAC PDU. The apparatus also comprising a wireless transceiver configured to transmit the MAC PDU.Type: GrantFiled: June 17, 2008Date of Patent: July 30, 2013Assignee: Nokia Siemens Networks OyInventors: Haihong Zheng, Shashikant Maheshwari, Adrian Boariu, Yousuf Saifullah
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Patent number: 8483123Abstract: Various embodiments are described relating to wireless networks, such as quality of service (QoS) request and information distribution for wireless relay networks. According to an example embodiment, a technique or method may include receiving a QoS-related message at a relay station in a wireless relay network. The QoS-related message may include one or more QoS parameters for a flow. The method or technique may also include retrieving, at the relay station, the QoS parameters from the QoS-related message to use the QoS parameters subsequently for admission control and/or scheduling for the flow. Other example embodiments are described.Type: GrantFiled: June 30, 2006Date of Patent: July 9, 2013Assignee: Nokia CorporationInventors: Haihong Zheng, Yousuf Saifullah
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Patent number: 8483160Abstract: A method for transmitting, to one or more wireless stations in a wireless network, map information identifying resources allocated to one or more of the wireless stations, the map information including a plurality of Maps, each Map allocating resources to one or more of the wireless stations, one or more of the Maps including a Next Map Pointer (NSP) that includes location information identifying a location of the next Map within a frame.Type: GrantFiled: April 23, 2009Date of Patent: July 9, 2013Assignee: Nokia Siemens Networks OyInventors: Shashikant Maheshwari, Yousuf Saifullah, Shu Shaw Wang, Haihong Zheng
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Patent number: 8428030Abstract: According to one general aspect, a method may include collecting at least one Mobile Station (MS) Medium Access Control (MAC) Packet Data Units (PDUs), associated with at least one Mobile Station. In various embodiments, the method may also include generating at least one MS station identifier (STID) sub-header (MSID-SH), indicating for each MS MAC PDU (MPDU) a MS STID that is associated the respective MPDU. In some embodiments, the method may include packing the MSID-SH and the at least one of MPDU into a single Relay MAC PDU (RPDU). In various embodiments, the method may also include wirelessly transmitting the RPDU.Type: GrantFiled: October 28, 2009Date of Patent: April 23, 2013Assignee: Nokia Siemens Networks OyInventors: Haihong Zheng, Shashikant Maheshwari, Yousuf Saifullah
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Patent number: 8311021Abstract: A method for saving power, at a mobile terminal, includes receiving a call, at a network entity, wherein the call contains information relating to transmission of the call from the network entity to the mobile terminal. The mobile terminal operates in first and second communications networks, which are different. The mobile terminal detects coverage of the first communications network and activates a first interface corresponding to the first communications network. The mobile terminal can also deactivate the first interface and activate a second interface corresponding to the second communications network while the mobile terminal is located in both the first and second communications networks. The mobile terminal can then enter a low power consumption mode supported by the second communications network.Type: GrantFiled: June 21, 2006Date of Patent: November 13, 2012Assignee: Nokia CorporationInventors: Yousuf Saifullah, Stefano Faccin, Naveen Kumar Kakani, Khiem Le
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Patent number: 8228834Abstract: A relay for use in a communications network, the relay being arranged receive data from and transmit data to at least one user equipment, wherein the relay includes a processor arranged to process received configuration data from the user equipment and to transmit data to the user equipment in dependence of the processed ranging data.Type: GrantFiled: July 2, 2007Date of Patent: July 24, 2012Assignee: Nokia CorporationInventors: Shashikant Maheshwari, Yousuf Saifullah
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Patent number: 8223647Abstract: Systems and methods are provided to increase data throughput by aggregating block acknowledgements. Embodiments of these systems and methods provide a single block acknowledgement for multiple traffic identifiers in data communication with a communication station. One method includes providing a multiple start sequence number corresponding to each traffic identifier of a plurality of traffic identifiers and providing a bit map corresponding to each multiple start sequence number. The bit map indicates a block acknowledgement of packets corresponding to one traffic identifier of the plurality of traffic identifiers.Type: GrantFiled: July 21, 2004Date of Patent: July 17, 2012Assignee: Nokia CorporationInventors: Naveen Kakani, Yousuf Saifullah
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Patent number: 8175024Abstract: Various example embodiments are disclosed relating to relay networks or multi-hop networks, and also relating to bandwidth allocation for relay networks. According to an example embodiment, a method of allocating bandwidth in a relay network may include receiving at a relay station a first code (e.g., a first CDMA code) from a first station (e.g., mobile station) via a first link, sending a second code (e.g., second CDMA code) from the relay station to a second station (e.g., a base station) via a second link in response to receiving the first code, the second code being one of a plurality of codes assigned to the relay station, and receiving a bandwidth allocation message at the relay station from the second station, the bandwidth allocation message including the second code and indicating an allocation of bandwidth for a transmission over at least one of the first link and/or the second link.Type: GrantFiled: October 12, 2007Date of Patent: May 8, 2012Assignee: Nokia CorporationInventors: Yousuf Saifullah, Shashikant Maheshwari, Haihong Zheng
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Patent number: 8149757Abstract: The present invention provides an enhanced H-ARQ scheme that optimizes bandwidth utilization and spectrum efficiency. When an H-ARQ attempt is unsuccessful due to loss or error over a hop between the BS and MS/SS, then only the first node in the hop chain that fails to decode the packet transmits another H-ARQ attempt. The BS determines the first node that fails on decoding based on certain information such as the feedback information sent from the nodes on the path. The previous node of the failed node is then instructed to retransmit by the BS.Type: GrantFiled: January 17, 2007Date of Patent: April 3, 2012Assignee: Nokia CorporationInventors: Haihong Zheng, Yousuf Saifullah, Yogesh Swami, JianZhong Zhang
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Patent number: 8140077Abstract: Various embodiments are disclosed relating to the optimization of relay station handovers and location update in a wireless network. According to an example embodiment, a request to handover a plurality of mobile stations from a first base station to a second base station may be sent. An identifier associated with the second base station for each of the plurality of mobile stations may be received. In another example embodiment, each of the identifiers is forwarded to the mobile station corresponding to the connection identifier. In another example embodiment, a location update may be performed by sending a message to a network device, such as a target base station, to provide location update information for a plurality of mobile stations. In this manner, one message may be transmitted over a wireless link to facilitate a handover or location update for a plurality of mobile stations.Type: GrantFiled: April 19, 2006Date of Patent: March 20, 2012Assignee: Nokia CorporationInventors: Yousuf Saifullah, Haihong Zheng, Shashikant Maheshwari
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Publication number: 20120002589Abstract: Various embodiments are disclosed relating to the optimization of relay station handovers and location update in a wireless network. According to an example embodiment, a request to handover a plurality of mobile stations from a first base station to a second base station may be sent. An identifier associated with the second base station for each of the plurality of mobile stations may be received. In another example embodiment, each of the identifiers is forwarded to the mobile station corresponding to the connection identifier. In another example embodiment, a location update may be performed by sending a message to a network device, such as a target base station, to provide location update information for a plurality of mobile stations. In this manner, one message may be transmitted over a wireless link to facilitate a handover or location update for a plurality of mobile stations.Type: ApplicationFiled: September 7, 2011Publication date: January 5, 2012Applicant: NOKIA CORPORATIONInventors: Yousuf Saifullah, Haihong Zheng, Shashikant Maheshwari
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Patent number: 8054789Abstract: A system and method include a base station configured to provide centralized data transmission scheduling for at least one relay operatively connected to the base station configured to provide centralized data transmission scheduling for at least one relay operatively connected to the base station in a point-to-point connection and configured to provide centralized data transmission scheduling for at least one mobile station operatively connected to the relay in a point-to-multipoint connection. The method efficiently reports ACKs/NAKs for a centralized scheduler wireless system that uses tunneling for data transmission and, in order to reduce a usage of bandwidth for reporting. The system and method also perform an aggregation via coding of ACK/NAK channels.Type: GrantFiled: May 2, 2008Date of Patent: November 8, 2011Assignee: Nokia Siemens Networks OyInventors: Adrian Boariu, Shashikant Maheshwari, Yousuf Saifullah
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Patent number: 8036133Abstract: Various example embodiments are disclosed relating to efficient techniques for error detection and authentication in wireless networks. For example, according to an example embodiment, an apparatus adapted for wireless communication in a wireless network may include a processor. The processor may be configured to transmit a message including a field to provide both authentication and error detection for the message. The field may include an authenticated checksum sequence.Type: GrantFiled: March 3, 2008Date of Patent: October 11, 2011Assignee: Nokia CorporationInventors: Shashikant Maheshwari, Yogesh Swami, Yousuf Saifullah
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Patent number: RE46125Abstract: A method of relocating the header compression context in a packet network which transmits packets having compressed headers. A connection is established between a mobile terminal and a first network entity and context information used with compression and decompression of the headers of the packets is stored at the mobile terminal and the first network entity. The context information updating is stopped in the mobile terminal and in the first network entity and after that, a snapshot of the compression and decompression context information is taken and stored in the first network entity. The connection between the first network entity and the mobile terminal is changed to a connection between the mobile terminal and a second network entity. The context information snapshot stored by the first network entity is transferred to the second network entity to be stored therein as the context information of the second network entity.Type: GrantFiled: November 6, 2008Date of Patent: August 23, 2016Assignee: Core Wireless Licensing S.a.r.l.Inventors: Juha Kalliokulju, Atte Lansisalmi, Yousuf Saifullah, Khiem Le
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Patent number: RE47719Abstract: A method of relocating the header compression context in a packet network which transmits packets having compressed headers. A connection is established between a mobile terminal and a first network entity and context information used with compression and decompression of the headers of the packets is stored at the mobile terminal and the first network entity. The context information updating is stopped in the mobile terminal and in the first network entity and after that, a snapshot of the compression and decompression context information is taken and stored in the first network entity. The connection between the first network entity and the mobile terminal is changed to a connection between the mobile terminal and a second network entity. The context information snapshot stored by the first network entity is transferred to the second network entity to be stored therein as the context information of the second network entity.Type: GrantFiled: July 12, 2016Date of Patent: November 5, 2019Assignee: Conversant Wireless Licensing S.a.r.l.Inventors: Juha Kalliokulju, Atte Lansisalmi, Yousuf Saifullah, Khiem Le