The method and apparatus of forming a variable data rate in a communication system that uses statistical multiplexing

 

The invention relates to communication technology, and in particular to a communication system in which a user transmits data for variable speed. The technical result is to ensure more efficient allocation of resources of the communication system. To do this, in the communication system, the data packet variable speed generated by the data source, variable speed, is modulated in the channel traffic modulator channel traffic, if the bandwidth of the specified channel traffic is greater than or equal to the specified data transfer rate of the mentioned package. The data packet variable speed is modulated to channel traffic modulator channel traffic and at least one channel overflow modulator channel overflow, if the bandwidth of traffic is less than the specified data rate. When this received data packet variable speed is taken over the channel traffic, if the bandwidth of traffic is greater than or equal to the data rate specified package, and the package variable data rate is accepted by the channel traffic and at least one channel overflow, if the bandwidth of traffic is less than the data rate. 4 C. and 24 C.p. f-xt-align:center; margin-top:2mm;">Claims

1. Device for a packet of data characters variable speed, containing a variable number of the above-mentioned symbols, characterized in that it contains a unit channel for receiving the above-mentioned package variable speed and, when the number of characters of data exceeds a pre-selected threshold value, the separation of the mentioned package variable speed packet traffic and at least one packet overflow, a transmitter for transmitting the above-mentioned package variable speed channel traffic when the number of data symbols is less than the aforementioned threshold value, and to transmit the above-mentioned packet traffic channel traffic and the said at least one packet overflow at least one channel overflow when the number of characters of data exceeds the aforementioned threshold value, each of these channels overflow orthogonal channel traffic and the said at least one channel overflow is selected on the basis of statistical multiplexing mentioned at least one channel overflow.

2. The device under item 1, characterized in that the transmitter includes a modulator for modulative accordance with the first modulation format with extended spectrum if the number of the mentioned characters of data below the mentioned threshold value, and to modulate the mentioned traffic pack for the issuance of the above-mentioned packet traffic in the above-mentioned channel traffic in accordance with said first format of modulated spread spectrum and modulation mentioned at least one packet overflow in accordance with a second modulation format with extended range for issuing mentioned at least one packet overflow in said at least one channel overflow when the number of the mentioned characters of data exceeds the aforementioned threshold value, and referred to the first format modulation spread spectrum orthogonal mentioned second format modulation spread spectrum, and RF transmitter for conversion with increasing frequency and gain of the mentioned package variable speed, when the number of the mentioned characters of data below the mentioned threshold values, and to transform with increasing frequency and gain of the above-mentioned packet traffic and the said at least one packet overflow when the number of the mentioned characters of data exceeds the aforementioned threshold value.

3. The device according to p. 1, Almansa least one channel overflow.

4. The device under item 1, characterized in that the said unit channel includes means for receiving the signal indicating on said at least one channel overflow, and to combine the above-mentioned signal indicating on said at least one channel overflow, and the above-mentioned packet traffic.

5. The device under item 1, characterized in that the said unit channel includes means for receiving the signal indicating on said at least one channel overflow for subsequent package variable speed, and for combining the signal on said at least one channel overflow for subsequent package variable speed, and the above-mentioned packet traffic.

6. The device under item 1, characterized in that it further comprises a data source variable speed, containing the vocoder variable speed, for receiving samples of the speech signal and to compress the mentioned samples of the speech signal in accordance with the format vocoder variable speed for forming the above-mentioned package variable speed.

7. The device according to p. 6, characterized in that it further comprises an encoder connected between the mentioned vocho package variable speed.

8. The device according to p. 7, characterized in that it further comprises an interleaver connected between the said encoder and said transmitter and intended to rearrange the above package variable speed.

9. The device according to p. 6, characterized in that the said vocoder variable rate additionally is designed to compress samples of the speech signal in accordance with the second vocoder format variable speed to bundle with other variable speed, and the unit additional channel is intended for selection of a transmittable packet variable speed of the above-mentioned package variable speed and another package variable speed.

10. The device under item 1, characterized in that it further comprises a controller of the cell output is connected to the unit channel for indicating the unit of the channel on the presence of one or more overflow channels of the possible overflow channels, and referred to unit of channel is made with the possibility of operation at the above-mentioned signal the availability of traffic channels to select channels of traffic or overflow in accordance with the needs of data tion number of the above-mentioned data characters, characterized in that it includes the steps of receiving the above-mentioned package variable speed, separation of the mentioned package variable speed packet traffic and at least one packet overflow if the number of the mentioned characters of data exceeds the threshold value, the transfer of the aforementioned package variable speed channel traffic, if the number of the mentioned character data is less than the aforementioned threshold value, and transmitting the above-mentioned packet traffic on the said channel traffic and the said at least one packet overflow on the said at least one channel overflow if the number of the mentioned characters of data exceeds the aforementioned threshold value, moreover, each of the said at least one channel overflow orthogonal mentioned channel traffic and the said at least one channel overflow is selected on the basis of statistical multiplexing mentioned at least one channel overflow.

12. The method according to p. 11, characterized in that the phase transfer of the aforementioned packet traffic on the said channel traffic and the said at least one packet overflow at least one channel overflow includes the steps Westie with the first format modulation spread spectrum, modulation mentioned at least one packet overflow in accordance with a second modulation format with extended range for issuing mentioned at least one packet overflow in said at least one channel overflow, and the first format of modulated spread spectrum orthogonal to the second modulation format with enhanced spectrum conversion with increasing frequency mentioned traffic package and said at least one packet overflow when the number of the mentioned characters of data exceeds the aforementioned threshold value, and the gain of the above-mentioned packet traffic and the said at least one packet overflow, when referred to the number of characters exceeds the aforementioned threshold value.

13. The method according to p. 11, characterized in that it further includes a signal identifying mentioned at least one channel overflow.

14. The method according to p. 11, characterized in that it further includes combining the above-mentioned signal identifying mentioned at least one channel overflow, with the said packet traffic.

15. The method according to p. 11, characterized in that it further includes the step of combining the signal is rosty, and the above-mentioned packet traffic.

16. The method according to p. 11, characterized in that it further includes the steps of receiving samples of the speech signal and the compression of the above-mentioned samples of the speech signal in accordance with the format of the variable speed for the above package for variable speed.

17. The method according to p. 16, characterized in that it further comprises the step of encoding with error correction mentioned package variable speed.

18. The method according to p. 17, characterized in that it further comprises the step of rearranging the above package variable speed.

19. The method according to p. 16, characterized in that the said stage of compression of the mentioned samples of the speech signal further includes compressing the above-mentioned samples of the speech signal in accordance with the second format variable speed for another package variable speed.

20. The device according to p. 11, characterized in that it further includes the step of signaling the presence of channel overflow.

21. System for a packet of data characters variable speed, characterized in that it contains interleaver having an input and first output for issuing the mentioned package change speed when the number of data characters in package AC is when the number of characters of data in the above-mentioned packet is larger than the aforementioned threshold value, and having a second output for issuing the second part of the above package variable speed, when the number of data characters in said package variable speed more than the mentioned threshold value, the first modulator having an input associated with the first-mentioned output of the interleaver, and having an output, and a second modulator having an input connected with said second output of the interleaver, and having an output, and referred to the output of the second modulator depends on the presence of at least one channel overflow.

22. System on p. 21, characterized in that it further comprises a data source variable speed, with the input and output associated with the interleaver.

23. The system according to p. 22, characterized in that it further comprises a selector, connected between the said source data variable speed and the said interleaver, and having an input connected to the output of the above-mentioned data source variable speed, and an output connected to the input of said interleaver.

24. System p. 23, characterized in that the said selector has a second input, and the system further comprises a controller of the cell, with the output associated with the second input of the selector.

25. Device for receiving solder the connection with the one or more mobile stations using signals of spread spectrum communications, in which the variable speed placed in one of the many channels of orthogonal codes that are extended by use of at least one pseudotumor code and transmitted from one station to another using the selected code channel traffic and one or more corresponding orthogonal code channel overflow in the signal spread spectrum communications, containing a demodulator channel traffic connected for reception and demodulation of communication signals for forming the demodulated traffic channels in accordance with the selected code channel traffic and modulation format for issuing demodulated traffic packet, at least one demodulator overflow, connected for reception and demodulation of communication signals to form one or more demodulated packets overflow in accordance with the selected codes of overflow channels and modulation formats for forming at least one demodulated packet overflow, which corresponds mentioned demodulated packet traffic. and at least one means of combining associated with the said demodulators traffic and overflow, for receiving and combining by mentioning is consistent with the statistical multiplexing of packet data channels overflow.

26. The device according to p. 25, characterized in that it further comprises a decoder connected between the demodulator traffic and means of Association, to select the demodulated packet overflow of the said at least one demodulated packet overflow.

27. The device under item 26, characterized in that the decoder combines the demodulated packet traffic and each of the said demodulated packet overflow and decodes each received combination to determine the selected packet overflow.

28. The device according to p. 27, characterized in that said decoder decodes the above-mentioned packet traffic to determine the signal identification channel overflow, and mentioned at least one overflow demodulator responsive to the said signal identification channel overflow to select at least one channel overflow.

 

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FIELD: communications engineering.

SUBSTANCE: proposed band selection method for mobile orthogonal frequency division multiple access communication system includes following steps to classify procedures of band selection between sending end and receiving ends with respect to original band selection process, passband width selection process, and periodic band selection process: determination of source band selection code (SC)number for source band selection process; SC number to request passband width for passband width request selection process and periodic SC number for periodic band selection process; determination of periodic SC deferment value in compliance with periodic SC number, and transmission of source SCs, passband width request SC, periodic SCs, and periodic SC deferment values on receiving ends.

EFFECT: minimized time for band selection access.

22 cl, 3 dwg, 4 tbl

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