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Wireless Transport Switcher Based on Connectivity State

IP.com Disclosure Number: IPCOM000131892D
Publication Date: 2005-Nov-21
Document File: 2 page(s) / 27K

Publishing Venue

The IP.com Prior Art Database

Abstract

Today, a GPRS device that can send and receive data cannot transmit emails and other data if it has only GSM level coverage. This means that currently, while the user is in GSM-only coverage, they may miss important emails, calendar requests, etc. that are normally contained in GPRS packets. Though no GPRS connection is available at this point, users are able to send and receive SMS messages. This means that data “could” be re-routed through the GSM network, but the server has no idea if and when it should do this. The system I propose will have the device inform the server what state it is in by sending a GPRS packet when it gets into GPRS coverage, or an SMS message to the server when it can only send SMS data. This can be extended to other network types as well and to hybrid devices that support many network types. The key feature is that we can route data over other network types where the normal data packets would not normally or could not be sent. And the user is totally unaware that the data was being sent over a different transport mechanism; the server would be connected to the cellular network to receive SMS messages. When a device activates on a server, it will tell the device its SMS number for communication when GPRS or its main network transport is not routeable. Similarly, the device will register its SMS number to the server. When a device obtains GPRS coverage it will send a packet to the server to tell that it has GPRS coverage. If the device looses GPRS coverage and falls to GSM, the device will send an SMS packet to the SMS number for that server. At this point the server knows what the connection state is for the device. We can also provide device filters to allow the user to choose what data gets routed over SMS when the device looses coverage. Example: An executive can set up a filter so that all meeting requests and emails from a list of certain people get routed over SMS in the case where the device is not in GPRS coverage. When the device is in a state where only SMS messages can be sent, the server can use these filters to determine if it should route the message to the device at all. If it needs to be sent over SMS, it will encode the data and send it to the device's phone number. SMS data size is limited (i.e., <200 bytes), so further data retrieval services for email messages will need to be extended for this system. The converse of this idea also applies; the device can also choose to send data over SMS using the same system described above.

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WIRELESS TRANSPORT SWITCHER

Wireless Transport Switcher Based on

Connectivity

State

Disclosed Anonymously

Today, a GPRS device that can send and receive data cannot transmit emails and other data if it has only GSM level coverage. This means that currently, while the user is in GSM-only coverage, they may miss important emails, calendar requests, etc. that are normally contained in GPRS packets.

Though no GPRS connection is available at this point, users are able to send and receive SMS messages. This means that data “could” be re-routed through  the GSM network, but the server has no idea if and when it should do this.

The system I propose will have the device inform the server what state it is in by sending a GPRS packet when it gets into GPRS coverage, or an SMS message to the server when it can only send SMS data. This can be extended to other network types as well and to hybrid devices that support many network types.

The key feature is that we can route data over other network types where the normal data packets would not normally or could not be sent.  And the user is totally unaware that the data was being sent over a different transport mechanism; the server would be connected to the cellular network to receive SMS messages. 

When a device activates on a server, it will tell the device its SMS number for communication when GPRS or its main network transport is not routeable.  Similarly, the device will register its SMS number to the server.

When a device obt...