METHOD AND DEVICE FOR PROTECTING DATA AND IMPLEMENTING AUTOMATIC REPEAT REQUEST IN WIRELESS COMMUNICATION SYSTEM Russian patent published in 2010 - IPC H04L1/18

Abstract RU 2406236 C2

FIELD: information technology.

SUBSTANCE: wireless transmit/receive unit (WTRU) has an encryption object and an external object ARQ, where the encryption object lies over the external ARQ object. The encryption object encrypts and decrypts a data unit using a general sequence number (SN) assigned to the data unit. The external ARQ object may: segment the encrypted data unit to multiple packet data units (PDU); link multiple encrypted data into the PDU; form one PDU from one data unit; segment and re-segment the PDU when there is failure in transmission.

EFFECT: high functionality of protecting data and external ARQ functionality.

23 cl, 9 dwg

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RU 2 406 236 C2

Authors

Van Piter S.

Terri Stefen E.

Olvera-Ehrnandes Julizis

Dates

2010-12-10—Published

2006-12-18—Filed