System and method for communicating using an in-vehicle system
Номер патента: EP2324588A2
Опубликовано: 25-05-2011
Автор(ы): David S. Furbeck, Sean B. Simmons, Stefan E. Janhunen
Принадлежит: Research in Motion Ltd
Опубликовано: 25-05-2011
Автор(ы): David S. Furbeck, Sean B. Simmons, Stefan E. Janhunen
Принадлежит: Research in Motion Ltd
Реферат: A method to be used with first and second devices (12, 36) where the first device (12) communicates with the second device (36) via numbered data packets where the second device needs to know the number of each received packet upon reception, the method comprising the acts of at the first device (12), forming (108) a plurality of separate initial data packets, for each initial data packet, associating (214) a unique number with the initial data packet, combining the initial data packet with its associated unique number to form a numbered packet, calculating (215) a checksum for the numbered packet, combining (216) the checksum with the initial data packet to form a transmission packet that fails to include the associated unique number and transmitting (112) the transmission packet to the second device.
System and method for communicating using an in-vehicle system
Номер патента: CA2733705A1. Автор: David Stuart FURBECK,Sean B. Simmons,Stefan Erik Janhunen. Владелец: Research in Motion Ltd. Дата публикации: 2010-02-18.