Chan, Anthony Hing-HungAnthony Hing-HungChanShen, B.Chen, H.2022-06-242022-06-242012-09-11https://repository.sfu.edu.hk/handle/sfu/3507United States Patent No.: 8,264,994A method of paging for a wireless device with multiple radio interfaces corresponding to multiple access networks. The method provides a first interface from the multiple radio interfaces to listen to paging for the multiple radio interfaces; turns the rest of the multiple radio interfaces into deep-sleep mode; and maintains attachment for each of the deep-sleep interfaces to a corresponding serving base station or access point.entechnical documentation