| 摘要 |
<P>PROBLEM TO BE SOLVED: To establish a radio access bearer in order to realize a CS voice over HSPA. <P>SOLUTION: A radio communication device 60 comprises: a control unit 61 for, when re-establishing a radio access bearer between a DCH and an uplink E-DCH and between the DCH and a downlink HSDPA, setting an initial value used for encryption of the radio access bearer after re-establishment; and a transmission and reception unit 62 for transmitting the initial value set by the control unit 61 and used after the re-establishment, to a radio access network 10. <P>COPYRIGHT: (C)2012,JPO&INPIT |
