RLAN wireless telecommunication system with RAN IP gateway and methods
Mobility management in a wireless network having a Radio Access Network Internet Protocol (RAN IP) gateway enabling voice connectivity to the public Internet is provided. The system may serve as a stand-alone system or be incorporated into a UMTS network with a conventional Core Network for providing concurrent wireless telecommunication services for multiple user equipments.
1. A radio local area network (RLAN) for providing concurrent wireless telecommunication services, including voice services, for a plurality of user equipments (UEs) comprising:
a first base station having a transceiver for code division multiple access (CDMA) wireless communications with UEs in a selected geographic region including voice services using a compression protocol for voice data;
a first controller coupled with said first base station configured to control user data flow and control signaling for base station communication;
a Radio Access Network Internet Protocol (RAN IP) Gateway coupled with said first controller using a stacked, layered protocol connection having a lower layer configured to use Internet Protocol (IP); and
said Radio Access Network Internet Protocol (RAN IP) Gateway having at least part of a Gateway General Packet Radio Service (GPRS) Support Node (GGSN) for connection with the Internet via an internet service provider (ISP) having a voice gateway that converts compressed voice data to Pulse Code Modulation (PCM) format.
2. A radio local area network (RLAN) according to claim 1 wherein:
the RAN IP Gateway having a voice data converter configured to convert between AMR compressed voice data and G. 729 compressed voice data.
3. A radio local area network (RLAN) according to claim 1 wherein:
said first controller includes:
a first U-Plane Server configured to control user data flow of base station communications; and
a first C-Plane Server configured to control signaling for base station communication;
said first U-Plane Server is coupled with said first base station using a stacked, layered protocol connection having a lower transport layer configured to use Internet Protocol (IP);
said C-Plane Server is coupled with said first base station using a stacked, layered protocol connection having a lower transport layer configured to use Internet Protocol (IP);
said RAN IP Gateway is coupled with said first U-plane and first C-Plane Servers using stacked, layered protocol connections having a lower transport layer configured to use Internet Protocol (IP); and
said first U-Plane Server is coupled with said first C-Plane Server using a stacked, layered protocol connection having a lower transport layer configured to use Internet Protocol (IP).
4. A RLAN according to claim 3 comprising:
a plurality of base stations, each having a transceiver configured with a Uu interface for conducting wideband code division multiple access (W-CDMA) wireless communications with UEs in a selected geographic region including voice services using said compression protocol for voice data;
said first U-Plane Server being coupled with said base stations using a stacked, layered protocol connection having a lower transport layer configured to use Internet Protocol (IP); and
said first C-Plane Server being coupled with said base stations using a stacked, layered protocol connection having a lower transport layer configured to use Internet Protocol (IP).
5. A RLAN according to claim 4 further comprising:
a second C-Plane Server being coupled with a base station using a stacked, layered protocol connection having a lower transport layer configured to use Internet Protocol (IP); and
said first C-Plane Server being coupled with said second C-Plane Server using a stacked, layered protocol connection having a lower transport layer configured to use Internet Protocol (IP).
6. A radio local area network (RLAN) according to claim 1 wherein said first controller is a first Radio Network Controller (RNC), further comprising:
a plurality of base stations, each having a transceiver configured with a Uu interface for conducting wideband code division multiple access (W-CDMA) wireless communications with UEs in a selected geographic region including voice services using said compression protocol for voice data; and
said first RNC being coupled with said base stations using a stacked, layered protocol connection having a lower transport layer configured to use Internet Protocol (IP).
7. A RLAN according to claim 6 further comprising:
a second RNC coupled with a second base station using a stacked, layered protocol connection having a lower transport layer configured to use Internet Protocol (IP); and
said first RNC being coupled with said second RNC using a stacked, layered protocol connection having a lower transport layer configured to use Internet Protocol (IP).
8. A RLAN according to claim 1 wherein said RAN IP Gateway has a Serving GPRS Support Node (SGSN) that is coupled with said first controller.