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Spread spectrum receiver using a pseudo-random noise code for ranging applications in a way that reduces errors when a multipath signal is present
This and additional objects of the present invention are realized, briefly and generally, by providing a DLL correlator having a zero loop gain over a majority of a ...
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High volume uplink in a broadband satellite communications system
According to one aspect of the invention, a method is provided for exchanging data in a communications system that includes a controller coupled to a switch. The method ...
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Error monitoring algorithm for broadband signaling
As noted above, the algorithm of the present invention computes a QOS factor based on the number of retransmissions needed to get an uncorrupted PDU through to the ...
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Facsimile apparatus, facsimile method, and facsimile system including a modem for determining a data rate
It is therefore an object of the present invention to provide a facsimile apparatus capable of increasing the communication efficiency and reliability by determining, ...
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Method of processing UMTS calls in a packet transmission network and node for the UMTS network and for implementing said method
The invention claimed is: 1. A method of processing UMTS calls in a packet transmission network, the network comprising UMTS network nodes; the method being ...
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Procedure and system for ensuring emergency communication in a wireless local loop environment
The object of the present invention is to eliminate the problem described above. A specific object of the present invention is to present a method by which the ...
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Procedure for the setup of an emergency call made by an unidentified subscriber in a wireless local loop
The procedure of the invention is characterised by what is presented in claim 1. According to the invention, an emergency call to a predetermined emergency number ...
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Method and apparatus for sparing communications circuits
The present invention splits telecommunication lines, such as DS1 subscriber lines, into primary and secondary signal paths within a piece of telecommunications line ...
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Common access between a mobile communications network and an external network with selectable packet-switched and circuit-switched and circuit-switched services
The main application of most mobile radio systems like the Global System for Mobile communications (GSM) has been mobile telephony which typically only supports circuit-...
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Mobile IP authentication
The present invention provides methods and apparatus for providing and accessing a centralized repository (e.g., server) as a source for security associations. In this ...
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