1
Vu Nguyen, Ulises Olvera Hernandez: Prepayment method utilizing credit information stored in mobile terminals for accessing wireless telecommunication networks. Telefonaktiebolaget LM Ericsson, Burns Doane Swecker & Mathis L, May 30, 2000: US06070067 (282 worldwide citation)

A method of providing prepaid access to wireless telecommunication networks by utilizing a mechanism to store subscriber credit information within a mobile terminal is disclosed. The method is especially suitable for subscribers that roam into visiting networks that have the capability of accessing ...


2
Shankar Somasundaram, Peter S Wang, Ulises Olvera Hernandez, Rajat P Mukherjee: Cell selection and reselection for closed subscriber group cells. InterDigital Patent Holdings, Volpe and Koenig P C, November 13, 2012: US08310946 (34 worldwide citation)

A method for applying a priority of a closed subscriber group (CSG) cell, including receiving priority information for each of a plurality of communication frequencies over which the CSG cell can communicate; storing the priority information at a wireless transmit/receive unit; and applying the prio ...


3
Ulises Olvera Hernandez, Kamel M Shaheen, Alan Gerald Carlton, Marian Rudolf, Guang Lu, Juan Carlos Zuniga, Maged Zaki: Wireless communication method and system for implementing media independent handover between technologically diversified access networks. InterDigital Technology Corporation, Volpe and Koenig P C, June 15, 2010: US07738871 (21 worldwide citation)

A wireless communication system including at least one IEEE 802 multi-stack wireless transmit/receive unit (WTRU) and a plurality of technologically diversified access networks, such as IEEE 802.X networks and Third Generation Partnership Project (3GPP) networks, that are concurrently deployed. Both ...


4
Jin Wang, Guodong Zhang, Ulises Olvera Hernandez: Coordinated uplink transmission in LTE DRX operations for a wireless transmit receive unit. InterDigital Patent Holdings, Condo Roccia, August 21, 2012: US08249004 (21 worldwide citation)

A method and apparatus for discontinuous reception (DRX) operation in a wireless transmit receive unit aligns uplink and downlink transmissions with a DRX cycle. The transmission may be a channel quality indicator report, a sounding reference signal, or a silence descriptor among other downlink and ...


5
Peter S Wang, James M Miller, Ulises Olvera Hernandez: Method and apparatus for implementing tracking area update and cell reselection in a long term evolution system. Interdigital Technology Corporation, Condo Roccia, February 11, 2014: US08649291 (21 worldwide citation)

The invention performs long term evolution (LTE) tracking area updates (TAUs), and tracking area code (TAC) and public land mobile network identification (PLMN-ID) assisted optimized wireless transmit/receive unit (WTRU) cell reselection. An evolved Node-B broadcasts system information including at ...


6
Daniel Dufour, Richard J Brunner, Ulises Olvera Hernandez: Call set-up on 800 MHz analog voice channel from 1900 MHZ digital control channel. Telefonaktiebolaget L M Ericsson, Jenkens & Gilchrist P C, March 2, 1999: US05878349 (17 worldwide citation)

In a cellular network having a first cluster of base stations serving a first group of mobile stations over digital RF channels and a second cluster of base stations, collocated with said first cluster, for serving a second group of mobile stations over analog RF channels, wherein some of the base s ...


7
Mohammed Sammour, Stephen E Terry, Jin Wang, Ulises Olvera Hernandez: Method and apparatus for prioritizing logical channels. Interdigital Patent Holdings, Condo Roccia, April 24, 2012: US08165152 (15 worldwide citation)

A method and apparatus are disclosed for prioritizing logical channels when a new transmission is performed. Logical channel resources are allocated for available data to a plurality of logical channels. A maximum bit rate (MBR) credit (i.e., token) is decremented in a buffer (i.e., bucket) associat ...


8
Jean Louis Gauvreau, Paul Marinier, Guodong Zhang, Ulises Olvera Hernandez: Method and apparatus for monitoring and processing component carriers. Interdigital Patent Holdings, Condo Roccia, August 20, 2013: US08514793 (14 worldwide citation)

A method and apparatus are described which perform bandwidth aggregation by simultaneously monitoring and processing a number of simultaneous, non-contiguous or contiguous component carriers in the downlink. A wireless transmit/receive unit (WTRU) can be configured by an evolved Node-B (eNodeB) to s ...


9
Peter S Wang, Guodong Zhang, Jin Wang, Mohammed Sammour, Shankar Somasundaram, Stephen E Terry, Ulises Olvera Hernandez: Method and apparatus for performing a handover in an evolved universal terrestrial radio access network. InterDigital Patent Holdings, Condo Roccia, December 11, 2012: US08331326 (12 worldwide citation)

A method and an apparatus for performing a handover in an evolved universal terrestrial radio access network (E-UTRAN) are disclosed. A wireless transmit/receive unit (WTRU) sends a measurement report to a source evolved Node B (eNB), and receives a handover command from the source eNB. The WTRU ini ...


10
Peter Shaomin Wang, Stephen E Terry, Ulises Olvera Hernandez: Method and apparatus for data security and automatic repeat request implementation in a wireless communication system. InterDigital Technology Corporation, Volpe and Koenig P C, April 10, 2012: US08155053 (11 worldwide citation)

A method and apparatus for implementing data security and automatic repeat request (ARQ) in a wireless communication system are disclosed. Cipher entities are included in a wireless transmit/receive unit (WTRU) and an access gateway (aGW), and outer ARQ, (or radio link control (RLC)), entities are i ...