Method and device for performing the redistribution of the communication channel in a wireless communication system

 

The invention relates to communications systems. Method and device to provide a mild redistribution of the communication channel in the mobile communication system. In currently available systems, the elements of the active set of base stations (4, 4A, 4B, 4C) are determined by comparing measured energy of the control signal with fixed thresholds. Assessment provide redundant communication line in a mobile station (2) primarily depends on the energy of other signals in the mobile station (2). In the invention, the intensity of the signal of each signal transmitted by other base stations (4, 4A, 4B, 4C), communicating with a mobile station (2) are considered when determining whether to add the base station to multiple base stations stations (4, 4A, 4B, 4C), communicating with a remote station (2). The base station is added only if the signal passed from the base station provides enough additional value to justify the impact on system throughput. The technical result consists in providing soft redistribution of the communication channel. 6 C. and 30 C. p. F.-ly, 8 ill.

Tablizer

Claims

2. The method according to p. 1 in which the said measurement of signal energy is referred to the first base station is a signal energy of the first base station as measured at said mobile station.

3. The method according to p. 1, which calculates the threshold value in accordance with the Association energies of signals from base stations that can communicate with said mobile station, characterized by the summation of the values of the energies of the signals of the control signals with the received energy is greater than the energy of the signal of the control signal of the said first base station.

4. The method according to p. 1 in which the said step of calculating the threshold level includes performing linear operations on the said Association measuring the signal energy of base stations that can communicate with said mobile station.

5. The method according to p. 1, calov of base stations, the ability to communicate with said mobile station, characterized by calculating a specified threshold level in accordance with a linear combination of the energies of the signals from base stations that communicate with mobile stations.

6. The method according to p. 4, in which when mentioned linear operations are carried out by multiplying the above-mentioned combining measurements of the signal energy of base stations that can communicate with said mobile station on the first variable and the second summation variable with the result of the above multiplication.

7. The method according to p. 6, which referred to the first variable has a value of 2.25.

8. The method according to p. 6, in which the above-mentioned second variable has a value of 3.0.

9. The method according to p. 1, which additionally provide measurements at said mobile station the intensity of signals transmitted to a pre-defined set of base stations for providing the above-mentioned measurement of the energy of the signal from base stations that can communicate with said mobile station.

10. The method according to p. 9, further containing the step of transmitting messages indicating mentioned measured signals from said mobile station to the first base station.

11. When Anzi, communicating with said mobile station, when the above-mentioned measurement of the signal energy is referred to the first base station is below the mentioned threshold.

12. Device to select base stations for communication with mobile stations containing the receiver to receive signals from the base station control processor for calculation of the threshold in accordance with the combined measurements of the energy signal to control signals originating from the base stations that can communicate with said mobile station, for comparing the energy measurement signal to the first control signal originating at the first base station with the above-mentioned threshold value and selection referred to the first base station to transmit the information signal, when the above-mentioned measurement of the signal energy is referred to the first base station exceeds the threshold value and in which the aforementioned control processor is arranged to data link connections with said receiver.

13. The device according to p. 12, in which the control processor to calculate the value of the threshold is configured to perform linear operations on the said combining measurements of the energies of the signals is added if the third base station to the active set of the mobile station in a wireless communication system, in which the first base station transmits first control signal and the first signal traffic, and the second base station transmits the second control signal and the second signal traffic, and the mobile station receives the first control signal and the first signal traffic containing the demodulator to the first control signal, means for measuring the energy of the demodulated first control signal, means generating a threshold in accordance with the energy of the demodulated first control signal, the demodulator of the second control signal, means for measuring the energy of the second demodulated control signal, means comparing the energy of the demodulated second control signal with a threshold, means for adding the second base station to the active set, when the energy of the demodulated second control signal exceeds the threshold, the tool that generates the revised threshold in accordance with a combination of energy demodulated first control signal and the energy of the demodulated second control signal, the demodulator of the third control signal from the third base station, means for measuring the energy of the demodulated third contranym threshold, and means for adding a third base station to the active set, when the energy of the demodulated third control signal exceeds the revised threshold.

15. A device for determining an active set of base stations for communication with mobile station at a base station controller in a wireless communication system, in which multiple base stations are in communication with the controller of the base station containing means for receiving message of measuring the intensity of signal meaning of signal intensity associated with each of the multiple base stations, as measured at the mobile station, a selector for selecting the first base station as part of an active set of base stations, a means for calculating the threshold value in accordance with the intensity of the signal of the selected first base station, a selector for selecting the second base station, as part of an active set of base stations in accordance with the threshold value, means for summing the intensities of the signals associated with each of the two selected base stations, means for determining a revised threshold value in accordance with the summed intensities of the signals, and srorage.

16. The device according to p. 15, in which the means for determining a revised threshold value in accordance with the summed intensities of the signals made with the possibility of multiplying the summed intensities of the signals at a predetermined scalar value and add the specified value to the specified product.

17. A device for determining a base station for transmission to the mobile station at the mobile station, in which multiple base stations containing the active set, made with the possibility of transmission to the mobile station, and in which a second set of base stations that are not members of the active set contains the potential set of base stations containing the means for connection of the energies of the signals of the active set base stations, the means for generating the threshold value in accordance with the combined energy of the signals of the base stations of the active elements of the set, means for comparing the signal energy of the base station potential of multiple base stations with a threshold, and means for adding a base station potential of multiple base stations to the active set of base stations when the signal energy is primarily adsto to determine the elements of a potential set by comparing the signal energy, taken from a certain set of base stations, with a certain threshold.

19. The device according to p. 17 containing means for selecting elements of a potential set in accordance with the appropriate intensity of energy received signal.

20. The device according to p. 17 containing a means for comparing the intensities of the signals received item active set against a threshold, defined in accordance with the combined energy received energy signals from base stations in the active set, and the tool to remove the item from the active set when the received signal strength of the member is less than the threshold.

21. The device according to p. 19, in which the means to remove the item from the active set is configured to remove the item, if the item remains below the threshold for a certain period of time.

22. The device according to p. 19, containing the medium to convey the message of measuring the intensity of the control signal, is configured to display for each station in the potential set and the active set will be saved if the specified element in the active set.

23. Device for the revision of the set of base stations containing the processor, aprei control signal, associated with the base station, with a dynamic threshold, while the dynamic threshold is based on the combined values of the energies of at least two elements of the set of base stations.

24. The device according to p. 23 containing the battery to measure the selected energy values of the control signal by accumulating the energy of the control signal over a certain period of time.

25. The device according to p. 23, comprising a generator to generate a message showing the revised set of base stations.

26. The device according to p. 23, in which the set of base stations in an active set.

27. The device according to p. 26, in which the processor is made with the possibility of revision of the active set with the addition of the base station if the selected energy value of the control signal is greater than the dynamic threshold.

28. The device according to p. 26, in which the processor is configured to review the active set by subtracting the base station if the selected energy value of the control signal is less than the dynamic threshold.

29. The device according to p. 23, in which the set of base stations is a potential set.

30. The device according to p. 29, in which processii, that the selected value of the control signal is greater than the dynamic threshold.

31. The device according to p. 29, in which the processor is configured to determine a revised active set, provided that the selected energy value of the control signal is less than the dynamic threshold.

32. The device according to p. 29, in which the processor is arranged to determine the revised active set by determining whether the control signal of the active set with the lowest value of the energy element of the potential set.

33. The device according to p. 32, in which the processor is configured to determine the corrected active set by determining that the timer lowering control signal of the active set with the lowest energy value has expired.

34. The device according to p. 23, in which the processor is a control processor redistribution of the communication channel of the base station controller.

35. The device according to p. 23, in which the processor is a control processor of the mobile station.

36. The device according to p. 23, in which the processor is configured to adjust the dynamic threshold of the selected energy value of the control signal, provided that n is

 

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FIELD: radio communications.

SUBSTANCE: proposed method intended for single-ended radio communications between mobile objects whose routes have common initial center involves radio communications with aid of low-power intermediate transceiving stations equipped with non-directional antennas and dropped from mobile object, these intermediate transceiving drop stations being produced in advance on mentioned mobile objects and destroyed upon completion of radio communications. Proposed radio communication system is characterized in reduced space requirement which enhances its effectiveness in joint functioning of several radio communication systems.

EFFECT: reduced mass and size of transceiver stations, enhanced noise immunity and electromagnetic safety of personnel.

1 cl, 7 dwg, 1 tbl

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