ALARM TO CONFIRM ACTIVITY AT RADIO ACCESS NETWORK (RAN) LEVEL Russian patent published in 2013 - IPC H04W76/04 

FIELD: radio engineering, communication.

SUBSTANCE: in a system of wireless communication a mobile stations alarms a "confirmation of activity" with a service radio access network (RAN), sending its identifier without a mandatory part with supporting data. The service RAN will not necessarily confirm acceptance. By means of this the mobile station supports synchronisation of a status with the service RAN, which also benefits from the possibility to timely release the context, when transfer of "activity confirmation" does not continue. In one aspect the mobile station uses random access channels (RACH) for arrival of uplink data with a 0-byte report on a status of a MAC buffer, the identifying time cell identifier of which in a radio network (C-RNTI) may be used by the service RAN for the purposes of activity confirmation. In another aspect the mobile station may alarm at the level not related to access supply (NAS), containing identification for a mobile station, which is supported as lying within alarms at the level related to access supply (AS), via the service RAN. Such identifying NAS alarm is detected, or a receiver in a downlink warns the service RAN.

EFFECT: improved accuracy of identification.

48 cl, 10 dwg