Frame structure, method for organizing data and method for transmitting data
View Patent ↗A frame structure for transmitting data over a digital interface has a plurality of data frames. In this plurality of data frames a first sampling data frame is based on at least one sampling word and dedicated to a first logical channel. A set of data frames follows the first sampling data frame and carries in a compressed format a plurality of predefined status data words dedicated at least to the first logical channel. A first further sampling data frame follows the set of data frames. It is based on at least one further sampling word and dedicated to the first logical channel.
1. A communication unit comprising:
a one or more buffers configured to store a plurality of sampling data frames; and
an interface configured to receive the plurality of sampling data frames from the one or more buffers and to generate a frame structure for transmitting data over a digital interface, the frame structure comprising:
a first sampling data frame comprising at least one sampling word, wherein the first sampling data frame is dedicated to a first logical channel;
a set of data frames following the first sampling data frame, the set of data frames comprising, in a compressed format, a plurality of predefined status data words dedicated at least to the first logical channel; and
a first further sampling data frame following the set of data frames and comprising at least one further sampling word, wherein the first further sampling data frame is dedicated to the first logical channel.
2. The communication unit of claim 1 , wherein the plurality of predefined status data words corresponds to a continuous time base information.
3. The communication unit of claim 1 , wherein the set of data frames comprises: a first status data frame indicating a beginning of the plurality of predefined status data words; and a second status data frame indicating an end of the plurality of predefined status data words.
4. The communication unit of claim 3 , wherein the second status data frame comprises information about a quantity of the plurality of predefined status data words.
5. The communication unit of claim 3 , further comprising: a second sampling data frame arranged between the first sampling data frame and the set of data frames, the second sampling data frame comprising at least one second sampling word dedicated to a second logical channel; a second further sampling data frame following the first further sampling data frame, the second further sampling data frame comprising at least one second further sampling word dedicated to the second logical channel; and wherein the set of data frames comprises at least one data frame arranged between the first status data frame and the second status data frame and comprising a predefined number of predefined status data words dedicated to the first and second logical channels.
6. The communication unit of claim 3 , further comprising: a second sampling data frame arranged between the first sampling data frame and the set of data frames, the second sampling data frame comprising at least one second sampling word dedicated to a second logical channel; a second further sampling data frame following the first further sampling data frame, the second further sampling data frame comprising at least one second further sampling word dedicated to the second logical channel; and wherein the set of data frames comprises, in a compressed format, a plurality of predefined status data words dedicated to the first and second logical channels.
7. The communication unit of claim 1 , wherein the first sampling data frame and the first further sampling data frame have a first frame size, and wherein the set of data frames comprises at least one compressed status data frame having a second frame size that is smaller than the first frame size, the at least one compressed status data frame comprising, in a compressed format, a plurality of predefined status data words dedicated to the first logical channel.
8. The communication unit of claim 7 , further comprising: a second sampling data frame arranged between the first sampling data frame and the set of data frames, the second sampling data frame comprising at least one second sampling word dedicated to a second logical channel; and a second further sampling data frame following the first further sampling data frame, the second further sampling data frame comprising at least one second further sampling word dedicated to the second logical channel.
9. The communication unit of claim 8 , wherein the set of data frames comprises at least one further compressed status data frame having the second frame size, the at least one further compressed status data frame comprising, in a compressed format, a plurality of predefined status data words dedicated to the second logical channel.
10. The communication unit of claim 8 , wherein the at least one compressed status data frame comprises, in a compressed format, a plurality of predefined status data words dedicated to the first and second logical channels.
11. A communication unit comprising:
a one or more buffers configured to store a plurality of sampling data frames; and
an interface configured to receive the plurality of sampling data frames from the one or more buffers and to generate a frame structure for transmitting data over a digital interface, comprising:
a first sampling data packet having a first packet size and comprising at least one sampling word to be transmitted over a first logical channel;
at least one compressed status data packet following the first sampling data packet, having a second packet size that is smaller than the first packet size and comprising, in a compressed format, a plurality of predefined status data words dedicated at least to the first logical channel; and
a first further sampling data packet following the at least one compressed status data packet, having the first packet size and comprising at least one sampling word to be transmitted over the first logical channel.
12. The communication unit of claim 11 , wherein the plurality of predefined status data words correspond to a continuous time base information.
13. The communication unit of claim 11 , further comprising: a second sampling data packet arranged between the first sampling data packet and the at least one compressed status data packet, the second sampling data packet comprising at least one sampling word to be transmitted over a second logical channel; and a second further sampling data packet following the first further sampling data packet and comprising at least one sampling word to be transmitted over the second logical channel.
14. The communication unit of claim 11 , further comprising at least one further compressed status data packet having the second frame size, and arranged between the at least one compressed status data packet and the first further sampling data packet, the at least one further compressed status data packet comprising, in a compressed format, a plurality of predefined status data words dedicated to the second logical channel.
15. The communication unit of claim 11 , wherein the at least one compressed status data packet comprises, in a compressed format, a plurality of predefined status data words dedicated to the first and second logical channels.
16. The communication unit of claim 11 , wherein a quantity of the predefined status data words of the at least one compressed status data packet in a compressed format corresponds to a quantity of sampling words of the first or first further sampling data packet of the first size.
17. The communication unit of claim 11 , wherein each of the at least one status data packet and the sampling data packets comprises a header section and a payload section, and wherein a dedication to the first or to the second logical channel, or both, is determined in a respective header section and sampling words or status data words within a respective payload section.
18. The communication unit of claim 17 , wherein for each of the at least one status data packet and the sampling data packets a size of a respective payload section or a first or second packet size, or both, are determined in a respective header section of the respective data packet.
19. A method for organizing data, in a digital communication unit, to be transmitted over a digital interface, comprising: generating a first sampling data frame based on at least one sampling word, wherein the first sampling data frame is dedicated to a first logical channel; generating a set of data frames following the first sampling data frame, the set of data frames comprising, in a compressed format, a plurality of predefined status data words dedicated at least to the first logical channel; and generating a first further sampling data frame based on at least one further sampling word, and following the set of data frames, wherein the first further sampling data frame is dedicated to the first logical channel.
20. The method of claim 19 , wherein the plurality of predefined status data words corresponds to a continuous time base information.
21. The method of claim 19 , wherein the set of data frames comprises: a first status data frame indicating a beginning of the plurality of predefined status data words; and a second status data frame indicating an end of the plurality of predefined status data words.
22. The method of claim 21 , wherein the second status data frame comprises information about a quantity of the plurality of predefined status data words.
23. The method of claim 21 , further comprising: generating a second sampling data frame arranged between the first sampling data frame and the set of data frames, the second sampling data frame based on at least one second sampling word and dedicated to a second logical channel; generating a second further sampling data frame following the first further sampling data frame, the second further sampling data frame based on at least one further second sampling word and dedicated to the second logical channel; and wherein generating the set of data frames such comprises at least one data frame arranged between the first status data frame and the second status data frame, and comprises a predefined number of predefined status data words dedicated to the first and second logical channels.
24. The method of claim 19 , further comprising: generating a second sampling data frame between the first sampling data frame and the set of data frames, the second sampling data frame based on at least one second sampling word and dedicated to a second logical channel; generating a second further sampling data frame following the first further sampling data frame, the second further sampling data frame based on at least one further second sampling word and dedicated to the second logical channel; and wherein generating the set of data frames comprises generating, in a compressed format, a plurality of predefined status data words dedicated to the first and second logical channels.
25. The method of claim 19 , wherein the first sampling data frame and the first further sampling data frame have a first frame size, and wherein the set of data frames comprises at least one compressed status data frame having a second frame size that is smaller than the first frame size, the at least one compressed status data frame comprising, in a compressed format, a plurality of predefined status data words dedicated to the first logical channel.
26. The method of claim 25 , further comprising: generating a second sampling data frame between the first sampling data frame and the set of data frames, the second sampling data frame based on at least one second sampling word and dedicated to a second logical channel; and generating a second further sampling data frame following the first further sampling data frame, the second further sampling data frame based on at least one further second sampling word and dedicated to the second logical channel.
27. The method of claim 26 , wherein the set of data frames comprises at least one further compressed status data frame having the second frame size, the at least one further compressed status data frame comprising, in a compressed format, a plurality of predefined status data words dedicated to the second logical channel.
28. The method of claim 26 , wherein the at least one compressed status data frame comprises, in a compressed format, a plurality of predefined status data words dedicated to the first and second logical channels.
29. The method of claim 19 , further comprising transmitting the generated data frames over the digital interface.
30. A method for organizing data, in a digital communication unit, to be transmitted over a digital interface, comprising: generating a first sampling data packet based on at least one sampling word to be transmitted over a first logical channel, the first sampling data packet having a first packet size; generating at least one compressed status data packet following the first sampling data packet, having a second packet size that is smaller than the first packet size, and comprising, in a compressed format, a plurality of predefined status data words dedicated at least to the first logical channel; and generating a first further sampling data packet based on at least one further sampling word to be transmitted over the first logical channel, the first further sampling data packet following the at least one compressed status data packet and having the first packet size.
31. The method of claim 30 , wherein the plurality of predefined status data words corresponds to a continuous time base information.
32. The method of claim 30 , further comprising: generating a second sampling data packet arranged between the first sampling data packet and the at least one compressed status data packet, the second sampling data packet based on at least one second sampling word to be transmitted over a second logical channel; and
generating a second further sampling data packet following the first further sampling data packet and based on at least one second further sampling word to be transmitted over the second logical channel.
33. The method of claim 32 , wherein the at least one further compressed status data packet is the second packet size and is arranged between the at least one compressed status data packet and the first further sampling data packet, the at least one further compressed status data packet comprising, in a compressed format, a plurality of predefined status data words dedicated to the second logical channel.
34. The method of claim 32 , wherein the at least one compressed status data packet comprises, in a compressed format, a plurality of predefined status data words dedicated to the first and second logical channels.
35. The method of claim 30 , wherein a quantity of the predefined status data words in the at least one compressed status data packet in a compressed format corresponds to a quantity of sampling words in a sampling data packet of the first size.
36. The method of claim 30 , wherein each of the status data packets and the sampling data packets comprises a header section and a payload section, and wherein a dedication to the first or the second logical channel, or both, is determined in a respective header section and sampling words or status data words in a respective payload section.
37. The method of claim 32 , wherein for each of the status data packets and the sampling data packets a size of a respective payload section or a size of a first or second packet size, or both, are determined in a respective header section of the respective data packet.
38. A method for transmitting data over a digital interface, comprising:
transmitting sampling data frames comprising at least one sampling word to be transmitted over the digital interface, the sampling data frames dedicated to a first logical channel and bearing reference to a continuous time base of the first logical channel; and transmitting a plurality of predefined status data words in a compressed format dedicated at least to the first logical channel, and adapted to maintain the continuous time base of the first logical channel during a time period in which no sampling words dedicated to the first logical channel are to be transmitted.
39. The method of claim 38 , further comprising: transmitting further sampling data frames comprising at least one further sampling word dedicated to a second logical channel, wherein the plurality of predefined status data words are further dedicated to the second logical channel.