Method and apparatus for integrated wireless communications in private and public network environments
First Claim
1. A communication system extending over a cellular region and formed of a plurality of wireless cells where each cell covers a portion of the cellular region comprising,a first wireless network using a first protocol for communicating with one or more first cells in the first wireless network and wherein each one of said first cells includes, a first base station for communicating with mobile stations in one of said first cells, first control means using the first protocol for communications associated with said first base station, a second wireless network using a second protocol for communicating with one or more second cells in the second wireless network and wherein each one of said second cells includes, a second base station for communicating with mobile stations in one of said second cells, second control means using the second protocol for communications associated with said second base station and including a gatekeeper communicating with said second base station for each of said second cells using said second protocol, a connection unit for interconnecting the first wireless network and the second wireless network to carry traffic, an interworking unit for correlating communications using said first protocol with communications using second protocol to control said traffic between said first wireless unit and the second wireless unit.
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Abstract
A communications system extends over a cellular region formed of a plurality of wireless cells where each cell covers a portion of the cellular region. Each cell has a base station which is responsible for communication with the cellular subscriber. In order for a call to be properly managed in the public cellular domain, responsibility for call handling and processing must first be managed by a public MSC. Call handling with the public MSC for a private cellular subscriber first requires the exchange of information between the two systems. This is facilitated through the exchange of MAP and A interface signaling between the private and public cellular systems. Since this information on the private network is normally transmitted via IP, this information must be converted to standard SS7 based MAP and A protocol signaling in order for the public MSC to process.
162 Citations
43 Claims
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1. A communication system extending over a cellular region and formed of a plurality of wireless cells where each cell covers a portion of the cellular region comprising,
a first wireless network using a first protocol for communicating with one or more first cells in the first wireless network and wherein each one of said first cells includes, a first base station for communicating with mobile stations in one of said first cells, first control means using the first protocol for communications associated with said first base station, a second wireless network using a second protocol for communicating with one or more second cells in the second wireless network and wherein each one of said second cells includes, a second base station for communicating with mobile stations in one of said second cells, second control means using the second protocol for communications associated with said second base station and including a gatekeeper communicating with said second base station for each of said second cells using said second protocol, a connection unit for interconnecting the first wireless network and the second wireless network to carry traffic, an interworking unit for correlating communications using said first protocol with communications using second protocol to control said traffic between said first wireless unit and the second wireless unit.
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22. A communication system extending over a cellular region and formed of a plurality of wireless cells where each cell covers a portion of the cellular region comprising,
one or more public networks including, a PLMN first wireless network using a first protocol for communicating with one or more first cells in the first wireless network and wherein each one of said first cells includes, a BSS including a first base station for communicating with mobile stations in one of said first cells, first control means including a BSC using the first protocol for communications associated with said first base station, one or more private networks including, a second wireless network using a second protocol for communicating with one or more second cells in the second wireless network and wherein each one of said second cells includes, a second base station for communicating with mobile stations in one of said second cells, second control means using a second protocol for communications associated with said second base station and including a gatekeeper communicating with said second base station for each of said second cells using said second protocol, a wired network communicating with said second protocol, a connection unit for interconnecting the public networks and the private networks to carry traffic, an interworking unit for correlating communications using said first protocol with communications using said second protocol to control said traffic between said public networks and the private networks.
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43. A communication method for wireless communication extending over a cellular region formed of a plurality of wireless cells where each cell covers a portion of the cellular region comprising,
communicating with a first protocol for one or more first cells in a first wireless network wherein each one of said first cells, communicating with mobile stations in one of said first cells using a first base station, communicating with said first base station using the first protocol, communicating with a second protocol for one or more second cells in a second wireless network wherein each one of said second cells, communicating with mobile stations in one of said second cells using a second base station, communicating with said second bases station using the second protocol and accessing a gatekeeper communicating with said second base station for each of said second cells using said second protocol, interconnecting the first wireless unit and the second wireless unit to carry traffic, and correlating communications using said first protocol with communications using said second protocol to control said traffic between said first wireless unit and the second wireless unit.
Specification