1
Nikolai K N Leung, Raymond T Hsu: Method and apparatus for out-of-band transmission of broadcast service option in a wireless communication system. QUALCOMM Incorporated, Philip R Wadsworth, Thien T Nguyen, June 21, 2005: US06909702 (69 worldwide citation)

Method and apparatus for providing an overhead information for a broadcast service in a wireless communication system via an out-of-band transmission. The mobile station is able to contact the content server directly using the out-of-band signaling over a packet data service option. The out-of-band ...


2
Nikolai K N Leung, Juan Faus, Matthew S Grob, Johnny K John: Digital wireless telephone system interface for analog telecommunications equipment. Russell B Miller, Brian S Edmonston, Thomas R Rouse, January 26, 1999: US05864763 (52 worldwide citation)

A novel and improved method and apparatus for providing an interface to a digital wireless telephone system compatible with standard analog wire line telephones, analog wire line fax machines, and computer modems is described. At the start of a telephone call, a data pump interprets the digits diale ...


3
Nikolai K N Leung, Ramin Rezaiifar: Method and apparatus for processing internet protocol transmissions. QUALCOMM Incorporated, Philip Wadsworth, Sandra L Godsey, January 10, 2006: US06985479 (49 worldwide citation)

Method and apparatus for data packet communications in a communication system. Packets are received at a gateway having an Internet Protocol (IP) destination address and Network Access Identifier (NAI). The gateway maps the received NAI to a local network, such as supported by a Network Address Tran ...


4
Yongbin Wei, Sai Yiu Duncan Ho, Nikolai K N Leung: RLP retransmission for CDMA communication systems. Qualcomm Incorporated, Philip R Wadsworth, Thien T Nguyen, January 17, 2006: US06987780 (31 worldwide citation)

Techniques for retransmitting data via RLP in a CDMA (e.g., cdma2000) system with a first retransmission mechanism provided by the RLP and a second retransmission mechanism provided by an HARQ-CF. In one method, missing RLP frames are first detected (e.g., by a receiver RLP). A dynamic timer is then ...


5
Philip Hawkes, Nikolai K N Leung, Gregory G Rose: Method and apparatus for security in a data processing system. Sandra L Godsey, Won Tae C Kim, Thomas R Rouse, April 1, 2008: US07352868 (28 worldwide citation)

Method and apparatus for secure transmissions. Each user is provided a registration key. A long-time updated broadcast key is encrypted using the registration key and provided periodically to a user. A short-time updated key is encrypted using the broadcast key. The short-time key is available with ...


6
Nikolai K N Leung: Method and apparatus for providing real-time packetized voice and data services over a wireless communication network. Qualcomm Incorporated, Philip Wadsworth, Thien R Nguyen, Kyong H Macek, April 12, 2005: US06879581 (24 worldwide citation)

A novel method and apparatus for transmitting voice traffic and data traffic over a circuit-switched network and a packet-switched network are presented. A new service option is introduced that allows a circuit-switched network to strip off IP/UDP/RTP header information from an internet protocol pac ...


7
Nikolai K N Leung, Nileshkumar J Parekh, Raymond T Hsu, An Mei Chen: Method and apparatus for data packet transport in a wireless communication system using an internet protocol. Qualcomm Incorporated, Philip R Wadsworth, Thien T Nguyen, Roberta A Young, February 27, 2007: US07184789 (23 worldwide citation)

Method and apparatus for data packet transport in a wireless transmission system supporting broadcast transmissions. A trigger recognized at the transmission node initiates a broadcast transmission, and the resultant set up of a transmission path. A termination trigger then indicates that the transm ...


8
Nikolai K N Leung, Ragulan Sinnarajah: Method and apparatus for overhead messaging in a wireless communication system. QUALCOMM Incorporated, Roberta A Young, Tom Rouse, March 25, 2008: US07349425 (22 worldwide citation)

Method and apparatus for providing a broadcast system parameter message in a wireless communication system supporting a broadcast service. In one embodiment, the message identifies a service option number corresponding to a set of broadcast parameters. In an alternate embodiment, the message identif ...


9
Ragulan Sinnarajah, Jun Wang, Nikolai K N Leung, Tao Chen: Method and system for a multicast service initiation in a communication system. Qualcomm, Philip R Wadsworth, Thien Nguyen, Pavel Kalousek, April 5, 2005: US06876636 (21 worldwide citation)

Method and a system for multicast service notification in cellular telephone system to enable the cellular telephone systems to provide both multicast and point-to-point services are disclosed. Several embodiments describe the signaling interaction between an access network and subscriber stations b ...


10
Nischal Abrol, Nikolai K N Leung: Radio link protocol enhancements to reduce setup time for data calls. Qualcomm Incorporated, Philip R Wadsworth, Kent D Baker, Byron Yafuso, August 19, 2003: US06608818 (20 worldwide citation)

An improved method and system for determining round-trip time (RTT) during a radio link protocol (RLP) wireless communication link. The RTT estimate is negotiated by both sides of the RLP communication link without the need for the 3-way handshake generally required for RLP synchronization. The meth ...