Circuit switched mobile telephony in fixed wireless access

摘要

A fixed wireless terminal (29) comprises interfaces (32, 34) and a controller (40), e.g., a Generic Access Network Controller (GANC). The controller (40) is configured to interwork Generic Access Network (GAN) signaling employed between the mobile wireless terminal (29) and the fixed wireless terminal (30) with circuit switched signaling employed between the fixed wireless terminal and the radio access network (22). The interworking enables the controller (40) to provide a circuit switched mobile telephony core network service to the mobile wireless terminal (30).

主权项

1. A fixed wireless terminal, comprising:
a first fixed terminal-internal interface structure configured to enable radio communication with a mobile network over a first air interface; a second fixed terminal-internal interface structure configured to enable radio communication with a mobile wireless terminal over a second air interface; and a controller configured to interwork signaling according to an adaption layer protocol employed between the mobile wireless terminal and the fixed wireless terminal over the second air interface with circuit switched signaling employed between the fixed wireless terminal and the mobile network over the first air interface to provide circuit switched mobile telephony core network service to the mobile wireless terminal, wherein the fixed wireless terminal is configured
to transparently forward authentication signalling between the mobile wireless terminal and the mobile network,upon receiving mobile network encrypted information from the mobile network, adding Internet Protocol security (IPsec) encryption to the mobile network encrypted information and forwarding the mobile network and IPsec encrypted information towards the mobile wireless terminal in an IPsec tunnel, andupon receiving mobile network and IPsec encrypted information from the mobile wireless terminal, removing the IPsec encryption from the mobile network and IPsec encrypted information and forwarding the mobile network encrypted information towards the mobile network.