Transmission system, receiver, and decimation device
View Patent ↗The invention presents a programmable communication system for generating data for at least one processing unit at a fixed symbol frequency, which lies within a range of frequencies, on the basis of input samples received at an input frequency higher than the symbol frequency. To achieve this, communication time slots are reserved periodically as a function of the maximum envisaged symbol frequency, and the device is designed for using only a fraction of these slots reserved as a function of the fixed symbol frequency for transmitting the generated data. The invention is applicable to broadband digital communications, digital television, channel decoding, demodulation and other similar technology areas.
1. A transmission system comprising:
at least a transmitter and a receiver,
said receiver comprising a decimator for generating data at a symbol frequency based on input samples which have an input frequency higher than the symbol frequency,
wherein the generated data is transmitted using a fraction of communication slots that are reserved periodically based on a predicted maximum symbol frequency.
2. A transmission system as claimed in claim 1 , wherein said decimator transmits validity information associated with the data transmitted in said reserved slots.
3. A transmission system as claimed in claim 2 , the decimator generating data destined for at least one processing unit controlled by a control member, wherein said control member comprises a detector for detecting said validity information so as to prevent processing of associated data by said processing unit.
4. A receiver comprising:
a decimator for generating data at a symbol frequency based on input samples which have an input frequency higher than the symbol frequency,
wherein the generated data is transmitted using a fraction of communication slots that are reserved periodically based on a predicted maximum symbol frequency.
5. A receiver as claimed in claim 4 , wherein said decimator adds validity information to the data transmitted in said reserved slots.
6. A receiver as claimed in claim 5 , the decimator generating data at the symbol frequency for at least one processing unit controlled by a control member, wherein said control member comprises a detector for detecting said validity information so as to prevent processing of associated data by said processing unit.
7. A decimation device comprising:
means for generating data at a symbol frequency based on input samples which have an input frequency higher than the symbol frequency, and
means for processing the generated data,
wherein the generated data is transmitted using a fraction of communication slots that are reserved periodically based on a predicted maximum symbol frequency.
8. A device as claimed in claim 7 , wherein said device comprises means for transmitting validity information associated with the data transmitted in said reserved slots.
9. A device as claimed in claim 8 , the means for processing comprising at least one processing unit controlled by a control member, wherein said control member comprises detection means for detecting said validity information so as to prevent processing of associated data by said processing unit.
10. A method for operating a transmission system comprising at least a transmitter and a receiver, said method comprising the steps of:
generating data in a decimator in said receiver at a symbol frequency based on input samples which have an input frequency higher than the symbol frequency; and
transmitting the generated data using a fraction of communication slots that are reserved periodically based on a predicted maximum symbol frequency.
11. A method as claimed in claim 10 further comprising the step of:
transmitting from said decimator validity information associated with the data transmitted in said reserved slots.
12. A method as claimed in claim 11 , wherein transmitting the generated data comprises transmitting the generated data to at least one processing unit controlled by a control member, said data comprising said validity information, and further comprising the steps of:
detecting said validity information in said control member; and
preventing processing of associated data by said processing unit when said validity information is detected by said control member.
13. A method as claimed in claim 10 , said method further comprising the step of:
operating said transmission system in one of: a broadband digital communication application, a digital television application, a channel decoding application and a demodulation application.
14. A method for operating a receiver comprising a decimator in a transmission system, said method comprising the steps of:
generating data in said decimator in said receiver at a symbol frequency based on input samples which have an input frequency higher than the symbol frequency; and
transmitting the generated data using a fraction of communication slots that are reserved periodically based on a predicted maximum symbol frequency.
15. A method as claimed in claim 14 further comprising the step of:
transmitting from said decimator validity information associated with the data transmitted in said reserved slots.
16. A method as claimed in claim 15 , wherein transmitting the generated data comprises transmitting the generated data to at least one processing unit controlled by a control member, said data comprising said validity information, and further comprising the steps of:
detecting said validity information in said control member; and
preventing processing of associated data by said processing unit when said validity information is detected by said control member.
17. A method as claimed in claim 14 , said method further comprising the step of:
operating said transmission system in one of: a broadband digital communication application, a digital television application, a channel decoding application and a demodulation application.
18. A method for operating a decimation device in a transmission system, said method comprising the steps of:
generating data in said decimation device at a symbol frequency based on input samples which have an input frequency higher than the symbol frequency; and
transmitting the generated data using a fraction of communication slots that are reserved periodically based on a predicted maximum symbol frequency.
19. A method as claimed in claim 18 further comprising the step of:
transmitting from said decimation device validity information associated with the data transmitted in said reserved slots.
20. A method as claimed in claim 19 , wherein transmitting the generated data comprises transmitting the generated data to at least one processing unit controlled by a control member, said data comprising said validity information, and further comprising the steps of:
detecting said validity information in said control member; and
preventing processing of associated data by said processing unit when said validity information is detected by said control member.