System and method of a stackable wireless internet protocol base station

• US 7,046,652 B2
• Filed: 01/09/2001
• Issued: 05/16/2006
• Est. Priority Date: 01/09/2001
• Status: Expired due to Fees

• Current Assignee: Cisco Technology, Inc. (Cisco Systems, Inc.)
• Original Assignee: Cisco Technology, Inc. (Cisco Systems, Inc.)
• Inventors: Kang, Chol Su, Joo, Ki-Hyun, Hyun, SangKyoon
• Primary Examiner(s): Ngo, Ricky Q.
• Assistant Examiner(s): Juntima, Nittaya
• Application Number:
  US09/757,732
• Publication Number:
  US 20020089951A1
• Time in Patent Office: 1,953 Days
• Field of Search: 370/328, 370/338, 370/340, 370/342, 370352-356, 370/401, 370/335, 370/400, 455/524, 455/561
• US Class Current: 370/342
• CPC Class Codes: H04W 84/12 WLAN [Wireless Local Area Networks]
• CPC Class Codes: H04W 88/005 Data network PoA devices
• CPC Class Codes: H04W 88/10 adapted for operation in multiple networks, e.g. multi-mode access points
• CPC Class Codes: H04W 92/02 Inter-networking arrangements
• CPC Class Codes: H04W 92/045 between access point and backbone network device

Abstract

A wireless office communication system including a multi-protocol, multi-sector wireless internet base station (WIBS) encompassing a base station controller, a mobile switch controller and an Ethernet interface module for coupling the WIBS to an existing internet protocol (IP) based network. The interface module provides for coupling the WIBS to an Ethernet back-bone, a mobile communication unit and a public switch telephone network (PSTN). In one embodiment of the invention, stackable base modules including a transceiver, channel elements and an Ethernet interface unit are integrated in a base station to provide scalability of an enterprise wireless network.

Claims

1. An enterprise code division multiple access (CDMA) wireless communication system, comprising:

a local area network (LAN);

a plurality of scalable wireless base stations coupled to the LAN, the wireless base stations coupled to communicate with wireless devices coupled within the enterprise wireless communication system via an internet protocol;

a public switched data network (PSDN) gateway directly coupled to the LAN to communicate with the wireless devices through at least one of the wireless base stations, the PSDN gateway comprising a T1 trunk interface for communication with a PSDN;

a public switched telephone network (PSTN) gateway directly coupled to the LAN to communicate with the wireless devices through at least one of the wireless base stations, the PSTN gateway comprising a T1 trunk interface for communication with a PSTN;

a public land mobile network (PLMN) gateway directly coupled to the LAN to communicate with the wireless devices through at least one of the wireless base stations, the PLMN gateway comprising a T1 trunk interface for communication with a PLMN;

wherein the scalable wireless base stations each includes stackable base modules each operable to support communication with mobile terminals in a respective sectorized coverage area;

wherein the stackable base modules each further includes a plurality of channel elements coupled to enable the base stations to handle digital communication signals to and from mobile terminals remotely coupled to the base stations;

wherein the stackable base modules each further includes an Ethernet interface card coupled to enable the stackable base modules to handle internet protocol communication signals;

wherein the base stations further include a plurality of combiners coupled to interconnect the plurality of stackable base modules to handle communication requests from remote mobile terminals to the system; and

wherein the base stations further include a plurality of splitters coupled to interconnect the plurality of stackable base modules to handle communications requests from the base stations to remote mobile terminals coupled to the system.

2. The system of claim 1, wherein the stackable wireless base modules each include a transceiver coupled to receive and transmit coded communication signals to and from a remote mobile terminal coupled to the system.

3. The system of claim 1, wherein the PSTN gateway includes a plurality of T1 trunks.

4. The system of claim 1, wherein the PSDN gateway includes a plurality of T1 trunks.

5. A method for providing enterprise code division multiple access (CDMA) in a wireless communication system, comprising:

providing a local area network (LAN);

coupling a plurality of scalable wireless base stations to the LAN, the wireless base stations coupled to communicate with wireless devices coupled within the enterprise wireless communication system via an internet protocol;

directly coupling a public switched data network (PSDN) gateway to the LAN to communicate with the wireless devices through at least one of the wireless base stations, the PSDN gateway comprising a T1 trunk interface for communication with a PSDN;

directly coupling a public switched telephone network (PSTN) gateway to the LAN to communicate with the wireless devices through at least one of the wireless base stations, the PSTN gateway comprising a T1 trunk interface for communication with a PSTN;

directly coupling a public land mobile network (PLMN) gateway to the LAN to communicate with the wireless devices through at least one of the wireless base stations, the PLMN gateway comprising a T1 trunk interface for communication with a PLMN;

wherein the scalable wireless base stations each includes stackable base modules each operable to support communication with mobile terminals in a respective sectorized coverage area;

wherein the stackable base modules each further includes a plurality of channel elements coupled to enable the base stations to handle digital communication signals to and from mobile terminals remotely coupled to the base stations;

wherein the stackable base modules each further includes an Ethernet interface card coupled to enable the stackable base modules to handle internet protocol communication signals;

coupling a plurality of combiners to the base stations to interconnect the plurality of stackable base modules to handle communication requests from remote mobile terminals to the system; and

coupling a plurality of splitters to the base stations to interconnect the plurality of stackable base modules to handle communications requests from the base stations to remote mobile terminals coupled to the system.

6. The method of claim 5, wherein the stackable wireless base modules each include a transceiver coupled to receive and transmit coded communication signals to and from a remote mobile terminal coupled to the system.

7. The method of claim 5, wherein the PSTN gateway includes a plurality of T1 trunks.

8. The method of claim 5, wherein the PSDN gateway includes a plurality of T1 trunks.

9. An enterprise code division multiple access (CDMA) wireless communication system, comprising:

a plurality of base stations for wireless communication with a mobile terminal, each base station operable to communicate with a mobile terminal in a respective coverage area;

wherein each base station is coupled to a local area network (LAN) through an Ethernet backbone;

a public switched data network (PSDN) gateway directly coupled to the LAN to communicate with the mobile terminal through at least one of the plurality of base stations, the PSDN gateway comprising a T1 trunk interface for communication with a PSDN;

a public switched telephone network (PSTN) gateway directly coupled to the LAN to communicate with the mobile terminal through at least one of the wireless base stations, the PSTN gateway comprising a T1 trunk interface for communication with a PSTN;

a public land mobile network (PLMN) gateway directly coupled to the LAN to communicate with the mobile terminal through at least one of the wireless base stations, the PSDN gateway comprising a T1 trunk interface for communication with a PLMN;

each of the plurality of base stations comprising a plurality of base modules, each base module operable to communicate with the mobile terminal in a respective sector of the respective coverage area of the base station, each base module comprising;

a transceiver for communicating with the mobile terminal;

an ethernet interface coupled to the LAN operable to enable the stackable base modules to handle internet protocol communication signals; and

channel elements to handle digital communication signals to and from the mobile terminal;

wherein the base stations include a plurality of combiners coupled to interconnect the base modules to handle communications requests from the mobile terminal; and

wherein the base stations include a plurality of splitters coupled to interconnect the base modules to handle communications requests from the base stations to the mobile terminal.

10. The system of claim 9, wherein the PSTN gateway includes a plurality of T1 trunks.

11. The system of claim 9, wherein the PSDN gateway includes a plurality of T1 trunks.