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US 5,946,309 AGranted
Hybrid ATM adaptation layer
AssigneeTelefonaktiebolaget LM Ericsson
InventorsLars Westberg, Karl Anders Nasman, Lars-Goran Petersen
Life of this patent
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Abstract
In a telecommunication system that generates more than one type of communication data stream, in which each data stream exhibits a distinctive data transfer format, bandwidth utilization is improved by first reformatting the different data transfer formats so that all of the data is compatible with a common data transfer protocol, for example, the Asynchronous Transfer Mode (ATM) protocol. The communication data and the corresponding control data, required to maintain communication data alignment, are multiplexed into a single data stream which is then transmitted over a common telecommunication channel to a receiving station.
Claims16
In a telecommunication system, a method of transmitting data packets to a receiving station, comprising the steps of:
- receiving hybrid data from at least one telecommunication application, wherein the hybrid data comprises a plurality of data transfer formats;
- inserting data having a first data transfer format into at least one data packet;
- inserting data having a second data transfer format into at least one data packet;
- multiplexing the data packets into a single data stream;
- generating control data for the at least one data packet corresponding to the data having a first data transfer format;
- generating control data for the at least one data packet corresponding to the data having a second data transfer format;
- multiplexing the control data into the single data stream;
- transmitting the data packets and the control data to the receiving station over a common telecommunication channel;
- wherein said transmitting step includes transmitting the control data to the receiving station over the common telecommunication channel in a header portion of an Asynchronous Transfer Mode cell,
- wherein all data packets exhibit a common data transfer protocol.
7 more elements
In a telecommunication system, a method of transmitting data packets to a receiving station, comprising the steps of:
- receiving hybrid data from at least one telecommunication application, wherein the hybrid data comprises a plurality of data transfer formats;
- inserting data having a first data transfer format into at least one data packet;
- inserting data having a second data transfer format into at least one data packet;
- multiplexing the data packets into a single data stream;
- generating control data for the at least one data packet corresponding to the data having a first data transfer format;
- generating control data for the at least one data packet corresponding to the data having a second data transfer format;
- multiplexing the control data into the single data stream;
- transmitting the data packets and the control data to the receiving station over a common telecommunication channel;
- wherein said transmitting step includes transmitting the control data to the receiving station over the common telecommunication channel in a payload portion of an Asynchronous Transfer Mode cell;
- wherein the Asynchronous Transfer Mode cell is a resource management Asynchronous Transfer Mode cell,
- wherein all data packets exhibit a common data transfer protocol.
8 more elements
In a telecommunication system, a method of transmitting data packets to a receiving station, comprising the steps of:
- receiving hybrid data from at least one telecommunication application, wherein the hybrid data comprises a plurality of data transfer formats;
- inserting data having a first data transfer format into at least one data packet;
- inserting data having a second data transfer format into at least one data packet;
- multiplexing the data packets into a single data stream;
- generating control data for the at least one data packet corresponding to the data having a first data transfer format;
- generating control data for the at least one data packet corresponding to the data having a second data transfer format;
- multiplexing the control data into the single data stream;
- transmitting the data packets and the control data to the receiving station over a common telecommunication channel;
- wherein said transmitting step includes transmitting the control data to the receiving station over the common telecommunication channel in a payload portion of an Asynchronous Transfer Mode cell;
- wherein the Asynchronous Transfer Mode cell contains at least one microcell and wherein the control data is inserted into an extended portion of a microcell start pointer,
- wherein all data packets exhibit a common data transfer protocol.
8 more elements
In a telecommunication system, a method of transmitting data packets to a receiving station, comprising the steps of:
- receiving hybrid data from at least one telecommunication application, wherein the hybrid data comprises a plurality of data transfer formats;
- inserting data having a first data transfer format into at least one data packet;
- inserting data having a second data transfer format into at least one data packet;
- multiplexing the data packets into a single data stream;
- generating control data for the at least one data packet corresponding to the data having a first data transfer format;
- generating control data for the at least one data packet corresponding to the data having a second data transfer format;
- multiplexing the control data into the single data stream;
- transmitting the data packets and the control data to the receiving station over a common telecommunication channel;
- wherein said transmitting step includes transmitting the control data to the receiving station over the common telecommunication channel in a payload portion of a microcell,
- wherein all data packets exhibit a common data transfer protocol.
7 more elements
In a telecommunication system, an apparatus for transmitting data packets to a receiving station comprises:
- means for receiving hybrid data from at least one telecommunication application, wherein the hybrid data comprises a plurality of data transfer formats;
- means for inserting data having a first data transfer format into at least one data packet;
- means for inserting data having a second data transfer format into at least one data packet;
- means for multiplexing the data packets into a single data stream;
- means for generating control data for the at least one data packet corresponding to the data having a first data transfer format;
- means for generating control data for the at least one data packet corresponding to the data having a second data transfer format;
- means for multiplexing the control data into the single data stream;
- means for transmitting the data packets and the control data over a common telecommunication channel, including means for transmitting the control data to the receiving station over the common telecommunication channel in a header portion of an Asynchronous Transfer Mode cell,
- wherein all data packets exhibit a common data transfer protocol.
6 more elements
In a telecommunication system, an apparatus for transmitting data packets to a receiving station comprises:
- means for receiving hybrid data from at least one telecommunication application, wherein the hybrid data comprises a plurality of data transfer formats;
- means for inserting data having a first data transfer format into at least one data packet;
- means for inserting data having a second data transfer format into at least one data packet;
- means for multiplexing the data packets into a single data stream;
- means for generating control data for the at least one data packet corresponding to the data having a first data transfer format;
- means for generating control data for the at least one data packet corresponding to the data having a second data transfer format;
- means for multiplexing the control data into the single data stream;
- means for transmitting the data packets and the control data over a common telecommunication channel, including means for transmitting the control data to the receiving station over the common telecommunication channel in a payload portion of an Asynchronous Transfer Mode cell;
- wherein the asynchronous transfer mode cell is a resource management Asynchronous Transfer Mode cell,
- wherein all data packets exhibit a common data transfer protocol.
7 more elements
In a telecommunication system, an apparatus for transmitting data packets to a receiving station comprises:
- means for receiving hybrid data from at least one telecommunication application, wherein the hybrid data comprises a plurality of data transfer formats;
- means for inserting data having a first data transfer format into at least one data packet;
- means for inserting data having a second data transfer format into at least one data packet;
- means for multiplexing the data packets into a single data stream;
- means for generating control data for the at least one data packet corresponding to the data having a first data transfer format;
- means for generating control data for the at least one data packet corresponding to the data having a second data transfer format;
- means for multiplexing the control data into the single data stream;
- means for transmitting the data packets and the control data over a common telecommunication channel, including means for transmitting the control data to the receiving station over the common telecommunication channel in a payload portion of an Asynchronous Transfer Mode cell;
- wherein the Asynchronous Transfer Mode cell contains at least one microcell and wherein said control data is inserted into an extended portion of a microcell start pointer,
- wherein all data packets exhibit a common data transfer protocol.
7 more elements
In a telecommunication system, an apparatus for transmitting data packets to a receiving station comprises:
- means for receiving hybrid data from at least one telecommunication application, wherein the hybrid data comprises a plurality of data transfer formats;
- means for inserting data having a first data transfer format into at least one data packet;
- means for inserting data having a second data transfer format into at least one data packet;
- means for multiplexing the data packets into a single data stream;
- means for generating control data for the at least one data packet corresponding to the data having a first data transfer format;
- means for generating control data for the at least one data packet corresponding to the data having a second data transfer format;
- means for multiplexing the control data into the single data stream;
- means for transmitting the data packets and the control data over a common telecommunication channel, including means for transmitting the control data to the receiving station over the common telecommunication channel in a payload portion of a microcell,
- wherein all data packets exhibit a common data transfer protocol.
6 more elements
Dependencies are inferred from the claim text.