Method and apparatus for formatting synchronous and asynchronous data
AssigneeTelefonaktiebolaget L M Ericsson
InventorsRalf Keller, Gregor Bautz, Norbert Niebert, Jamshid Khun Jush, Wolfgang Koch
Life of this patent
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Abstract
A method, and associated apparatus, formats asynchronous data, such as ATM data traffic, and synchronous data, such as synchronous voice traffic, pursuant to a common format. Once formatted pursuant to the common format, data generated during operation of two different types of communication systems can be communicated over a common radio link. A single frequency band can be used to communicate communication signals generated during operation of at least two separate communication systems.
Claims15
A method for structuring asynchronous data and synchronous data in a radio communication system pursuant to a common data format forming a superframe, the asynchronous data and the synchronous data selectively transmittable between at least one sending station and at least one receiving station, once formatted into the superframe, upon an air interface defined within a selected electromagnetic spectrum portion, said method comprising the steps of:
- designating an asynchronous data portion of the superframe, the asynchronous data portion of an asynchronous data length responsive to levels of asynchronous data to be transmitted between the at least one sending station and the at least one receiving station;
- designating a synchronous data portion of the superframe, the synchronous data portion of a synchronous data length responsive to levels of synchronous data to be transmitted between the at least one sending station and the at least one receiving station;
- and
- designating a control information portion of the superframe, the control information portion indicating values of the asynchronous data length and values of the synchronous data length.
In a radio communication system having at least one sending station and at least one receiving station, an improvement of apparatus for structuring asynchronous data and synchronous data pursuant to a common data format forming a superframe, the asynchronous data selectively transmittable, once formatted into the superframe, upon an air interface defined within a selected electromagnetic spectrum portion, said apparatus comprising:
- an asynchronous data portion designator coupled to receive indications of levels of asynchronous data to be transmitted between the at least one sending station and the at least one receiving station, said asynchronous data portion designator for designating a first portion of the superframe to be of a first selected length, the first selected length responsive to the indications of the levels of the asynchronous data;
- a synchronous data portion coupled to receive indications of levels of synchronous data to be transmitted between the at least one sending station and the at least one receiving station, said synchronous data portion designator for designating a second portion of the superframe to be of a second selected length, the second selected length responsive to indications of the levels of the synchronous data;
- and
- a control information designator coupled to receive indications of the first selected length designated by said asynchronous data portion designator and indications of the second selected length designated by said synchronous data portion designator, said control information designator for designating a control information portion of the superframe, the control information portion of the values responsive to the indications of the first and second selected lengths, respectively.
Dependencies are inferred from the claim text.