IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0035821
(1998-03-06)
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발명자
/ 주소 |
- Wallentin, Bo Stefan Pontus
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출원인 / 주소 |
- Telefonaktiebolaget LM Ericssion(publ)
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
25 인용 특허 :
22 |
초록
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Telecommunications network decision making (such as call admission and call congestion control) utilizes as input, not only information in the cell where the call is setup, but also cell condition information from cells which neighbor the cell where the call is setup. The cell condition information
Telecommunications network decision making (such as call admission and call congestion control) utilizes as input, not only information in the cell where the call is setup, but also cell condition information from cells which neighbor the cell where the call is setup. The cell condition information from neighboring cells is obtained even in situations in which the neighboring cell is controlled by another exchange, e.g., another radio network controller (RNC). In an illustrated embodiment, the cell condition information utilized by the decision making includes measured data taken over at least a multi-connection portion of cell, one example of which is radio interference information. The cell condition information utilized in the network decision making is transmitted between exchanges (e.g., between radio network controllers [RNCs] using common channel signaling.
대표청구항
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1. A telecommunications network having a control node which controls a specified cell and which, if the control node makes a determination that call set up in the specified cell would result in an acceptable interference condition in the specified cell but cause an unacceptable condition in another
1. A telecommunications network having a control node which controls a specified cell and which, if the control node makes a determination that call set up in the specified cell would result in an acceptable interference condition in the specified cell but cause an unacceptable condition in another cell, rejects the call setup, the determination being made with reference to cell condition information obtained from the another cell.2. A telecommunications network having a network control node which controls a specified cell and which, if the control node makes a determination that one of call set up and call continuation in the specified cell would result in an acceptable interference condition in the specified cell but cause an unacceptable condition in another cell, performs a protective action in the specified cell to protect against the unacceptable condition in the another cell, the determination being made with reference to cell condition information obtained from a control node of the another cell.3. A telecommunications network having a network control node which controls a specified cell and which, if the control node makes a determination that call continuation in the specified cell would result in an acceptable interference condition in the specified cell but cause an unacceptable condition in another cell, performs a modification of a call in the specified cell to protect against the unacceptable condition in the another cell, the determination being made with reference to cell condition information obtained from a control node of the another cell.4. The telecommunications network of claim 1, 2, or 3, wherein the unacceptable condition in the another cell is determined based on measurement data taken relative to the another cell.5. The telecommunications network of claim 1, 2, or 3, wherein the unacceptable condition in the another cell is unacceptable uplink interference in the another cell.6. The telecommunications network of claim 1, 2, or 3, wherein the cell condition information is obtained from the another cell via a signaling message.7. The telecommunications network of claim 6, wherein the cell condition information is uplink interference in the another cell.8. The telecommunications network of claim 1, 2, or 3, wherein the another cell neighbors the specified cell.9. The telecommunications network of claim 1, 2, or 3, wherein the another cell is controlled by another control node.10. The telecommunications network of claim 9, wherein the another control node transmits the cell condition information regarding the another cell, the cell condition information being used by the control node to determine whether the unacceptable condition would be caused in the another cell.11. The telecommunications network of claim 10, wherein the cell condition information is transmitted between control nodes using common channel signaling.12. The telecommunications network of claim 10, wherein the cell condition information is measurement data, and wherein the signaling message includes measurement data for plural cells controlled by the another control node.13. The telecommunications network of claim 10, wherein transmission of the signaling message occurs at the initiative of the another control node.14. The telecommunications network of claim 10, wherein transmission of the signaling message occurs in response to a request from the control node which makes the network decision.15. The telecommunications network of claim 10, wherein the cell condition information is related to uplink radio interference in the another cell.16. The telecommunications network of claim 1, 2, or 3, wherein the control node is a radio network controller.17. The telecommunications network of claim 2, wherein the protective action is rejection of call setup.18. The telecommunications network of claim 2, wherein the protective action is modification of a call in the specified cell.19. The telecommunications network of claim 2 or 3, wherein the modification of a call in the specified cell is bitrate reduction of a selected call in the specified cell.20. The telecommunications network of claim 1, 2, or 3, wherein the control node determines whether the unacceptable condition would be caused based on measurement data available to the control node at a time of the determination.21. The telecommunications network of claim 1, 2, or 3, wherein the control node determines whether the unacceptable condition would be caused in any of plural cells which neighbor the specified cell.22. A method of operating a telecommunications network comprising:(1) determining that a call set up decision needs to be made for a specified cell; and (2) rejecting the call set up in the specified cell if a first control node which controls the specified cell makes a determination that the call set up would result in an acceptable interference condition in the specified cell but cause an unacceptable condition in another cell, the determination being made with reference to cell condition information obtained from the another cell. 23. A method of operating a telecommunications network comprising:(1) determining that one of a call set up and a call continuation decision needs to be made for a specified cell; (2) using cell condition information obtained from a control node of another cell for making a determination at a network control node which controls the specified cell whether the one of call set up and call continuation in the specified cell would result in an acceptable interference condition in the specified cell but cause an unacceptable condition in the another cell; and, if so (3) performing a protective action in the specified cell to protect against the unacceptable condition in the another cell. 24. A method of operating a telecommunications network comprising:(1) determining that one of a call set up and a call continuation decision needs to be made for a specified cell; (2) using cell condition information obtained from a control node of another cell for making a determination at a network control node which controls the specified cell whether the one of call set up and call continuation in the specified cell would result in an acceptable condition in the specified cell but cause an unacceptable condition in the another cell; and, if so (3) performing a modification of a call in the specified cell to protect against the unacceptable condition in the another cell. 25. The method of claim 22, 23, or 24, wherein the unacceptable condition in the another cell is determined based on measurement data taken relative to the another cell.26. The method of claim 22, 23, or 24, wherein the unacceptable condition in the another cell is unacceptable uplink interference in the another cell.27. The method of claim 22, 23, or 24, further comprising:sending a signaling message wit the cell condition information from the another cell; and using, as input in step (2), the cell condition information. 28. The method of claim 22, 23, or 24, wherein the cell condition information is uplink interference in the another cell.29. The method of claim 22, 23, or 24, wherein the another cell neighbors the specified cell.30. The method of claim 22, 23, or 24, further comprising:controlling the another cell using an another control node. 31. The method of claim 30, further comprising:transmitting, from the another control node to the first control node, the cell condition information regarding the another cell; and using the cell condition information at the first control node to determine whether the unacceptable condition would be caused in the another cell. 32. The method of claim 31, wherein the cell condition information is transmitted between control nodes using a signaling message.33. The method of claim 31, wherein the cell condition information is measurement data, and wherein the signaling message includes measurement data for plural cells controlled by the another control node.34. The method of claim 31, further comprising transmitting the signaling message at the initiative of the another control node.35. The method of claim 31, further comprising transmitting the signaling message in response to a request from the control node which makes the network decision.36. The method of claim 31, wherein the cell condition information is related to uplink radio interference in the another cell.37. The telecommunications network of claim 23, wherein the protective action is rejection of call setup.38. The telecommunications network of claim 23, wherein the protective action is modification of a call in the specified cell.39. The method of claim 38 or 24, wherein the modification of a call in the specified cell is bitrate reduction of a selected call in the specified cell.40. The method of claim 22, 23, or 24, wherein determination of step (2) is performed based on measurement data available to the control node at a time of the determinations.41. The method of claim 22, 23, or 24, wherein step (2) involves determining whether the unacceptable condition would be caused in any of plural cells which neighbor the specified cell.42. A method of operating a telecommunications network comprising:(1) determining that one of a call set up and a call continuation decision needs to be made for a specified cell which is controlled by a network first control node; (2) performing an uplink interference measurement for another cell which is controlled by a second control node; (3) transmitting cell condition information for the another cell including the uplink interference measurement from the second control node to the first control node; (4) using cell condition information obtained from another cell for making a determination at the first control node whether the one of call set up and call continuation in the specified cell would result in an acceptable condition in the specified cell but cause an unacceptable condition in the another cell; and, if so (5) performing a protective action to protect against the unacceptable condition in the another cell. 43. The method of claim 42, wherein the protective action is rejection of call setup.44. The method of claim 42, wherein the protective action is modification of a call in the specified cell.45. The method of claim 44, wherein the modification of a call in the specified cell is bitrate reduction of a selected call in the specified cell.46. A telecommunications network comprising:a network first control node which controls a specified cell; a network second control node which controls another cell; wherein the second control node sends to the first control node cell condition information including an uplink interference measurement for the another cell; wherein the first control node uses the cell condition information to makes a determination whether one of call set up and call continuation in the specified cell would result in an acceptable condition in the specified cell but cause an unacceptable condition in another cell; and wherein the first control node performs a protective action to protect against the unacceptable condition in the another cell. 47. The apparatus of claim 46, wherein the protective action is rejection of call setup.48. The apparatus of claim 46, wherein the protective action is modification of a call in the specified cell.49. The apparatus of claim 48, wherein the modification of a call in the specified cell is bitrate reduction of a selected call in the specified cell.
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