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Abdel-Samad, Waterloo

Ayman Ahmed Abdel-Samad, Waterloo CA

Patent application numberDescriptionPublished
20110051660METHOD AND SYSTEM FOR ACQUISITION OF NEIGHBOUR CELL INFORMATION - A system and method for acquisition of neighbour cell information are provided. A serving cell receives a request for neighbour cell system information, and in response to the request, the serving cell transmits neighbour cell system information.03-03-2011
20110053586RADIO LINK TIMEOUT PROCEDURE FOR CALL RE-ESTABLISHMENT - A radio link timeout procedure for call re-establishment is provided. A mobile station receives signals over a wireless link, determines whether there is a potential call re-establishment as defined by at least one condition, and decides whether radio link failure has occurred on the basis of the signals received over the wireless link such that while there is a potential for call re-establishment as defined by the at least one condition, a decision that a radio link failure has occurred is made earlier than if there is no potential for call re-establishment.03-03-2011
20110053595ACCESS PROCEDURE FOR CALL RE-ESTABLISHMENT - An access procedure for call re-establishment is provided. In a first method, a mobile station, in at least some instances of detecting radio link failure, attempts call re-establishment on multiple cells concurrently. In a second method, a mobile station performs a first random access channel procedure when the mobile station is not aware of at least two cells with enabled call re-establishment, and performs a second random access channel procedure when the mobile station is aware of at least two cells with enabled call re-establishment.03-03-2011
20110105120METHODS AND APPARATUS TO MONITOR A CHANNEL TO DETERMINE NEIGHBOR CELL INFORMATION - Methods and apparatus to monitor a channel to determine neighbor cell information are disclosed. An example method for a first mobile station to determine cell information for a first cell disclosed herein comprises monitoring a channel for messages containing cell information, receiving a first message via the monitored channel and addressed to a second mobile station, the first message including first cell information, and storing the first cell information for a time period after receiving the first message.05-05-2011
20110105158METHODS AND APPARATUS TO AVOID TRANSMISSION OF REDUNDANT NEIGHBOR CELL INFORMATION TO MOBILE STATIONS - Methods and apparatus to avoid transmission of redundant neighbor cell information to mobile stations. An example method to avoid transmission of at least some neighbor cell system information from a network to a mobile station disclosed herein comprises receiving neighbor cell system information, setting a validity indication representing whether the mobile station has valid neighbor cell system information associated with a neighbor cell, and sending the validity indication to the network.05-05-2011
20110134908SINGLE SLOT DTM FOR SPEECH/DATA TRANSMISSION - The present document relates to radio transmission. In particular, the present document relates to the single-slot dual transfer mode (DTM) available e.g. in GSM/GPRS/GERAN networks. A transmitter is described. The transmitter is configured to send circuit switched data over a traffic channel to a corresponding receiver, wherein the traffic channel is segmented into a plurality of frames. The transmitter if further configured to determine a vacant frame of the plurality of frames, wherein no circuit switched data is sent in the vacant frame due to discontinuous transmission; and to send packet switched data over the traffic channel using the vacant frame.06-09-2011
20110201279METHODS AND APPARATUS TO PERFORM MEASUREMENTS - Methods and apparatus to perform measurements are disclosed. An example method disclosed herein for a user equipment (UE) to perform measurements in a mobile communication network comprises receiving configuration information comprising at least one of a validity state, a measurement activation criterion, a measurement deactivation criterion, a reporting criterion or a location request criterion to configure a measurement, and performing the measurement based on the configuration information.08-18-2011

Ayman Ahmed Mahmoud Abdel-Samad, Waterloo CA

Patent application numberDescriptionPublished
20110113309SYSTEM AND METHOD FOR DECODING A MESSAGE USING A PRIORI INFORMATION - Methods and systems are disclosed for decoding digital data received by a correspondent device over a communication channel. The data includes a component corresponding to a plurality of values unknown to the correspondent device and a component corresponding to one or more values known a priori by the correspondent device. To perform decoding, the correspondent device retrieves from memory at least one of the one or more known values. The correspondent device then applies a statistical measure using the known value(s) to estimate the location of the component corresponding to the one or more known values. The one or more known values and the estimated location of the component corresponding to the one or more known values are then used to assist in decoding the data.05-12-2011