CN101984700B - Power distribution method for carrier aggregation composition carriers of heterogeneous network - Google Patents
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- CN101984700B CN101984700B CN201010534923.7A CN201010534923A CN101984700B CN 101984700 B CN101984700 B CN 101984700B CN 201010534923 A CN201010534923 A CN 201010534923A CN 101984700 B CN101984700 B CN 101984700B
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- 239000000969 carrier Substances 0.000 title claims abstract description 37
- 238000004220 aggregation Methods 0.000 title claims abstract description 19
- 230000002776 aggregation Effects 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000005259 measurement Methods 0.000 claims description 18
- 238000004891 communication Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 abstract 2
- 238000005516 engineering process Methods 0.000 description 4
- 238000006116 polymerization reaction Methods 0.000 description 4
- 230000007774 longterm Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- -1 first Substances 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
- H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0037—Inter-user or inter-terminal allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0058—Allocation criteria
- H04L5/0073—Allocation arrangements that take into account other cell interferences
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0094—Indication of how sub-channels of the path are allocated
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/04—Error control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a power distribution method for carrier aggregation composition carriers of a heterogeneous network, which comprises the following steps: determining an inter-cell interference contrast threshold and a transmission power contract threshold among the composition carriers through a base station; leading a client to measure the interference value of the client and report to the base station; and using the base station to contrast the measured interference value with the inter-cell interference contrast threshold, and using the base station to re-distribute the new composition carrier and notify the client when the measured interference value is greater than the inter-cell interference contrast threshold. The power distribution method can respectively reduce the inter-cell interference, the intra-cell interference and the interference among the composition carriers by setting the thresholds, and the different composition carriers have different transmission power, thereby meeting the sending/receiving demands of different types of signal channels and data on the different composition carriers.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of power distribution method for carrier aggregation composition carriers of heterogeneous network.
Background technology
In follow-on broadband wireless communication network, how to solve in cordless communication network and under the bandwidth in current wireless communication system, to support larger bandwidth to become to improve a key factor of inter-cell user terminal throughput and user terminal average throughput and be faced with formidable challenges.
At present, long-term technology evolution (Long Term Evolution in third generation partner program, LTE) in, all propose to adopt the mode of carrier aggregation to carry out effectively in current wireless communication system, to support larger bandwidth, to meet the demand to indexs such as throughput, peak rates in new generation of wireless standard.Carrier aggregation is in future broadband wireless communication systems, to support the key technology of larger bandwidth, by the carrier wave to different, carry out polymerization, form the carrier wave of larger bandwidth, in bandwidth after polymerization, support to have user side (the User Equipment of stronger ability, UE), for example, the bandwidth that surpasses 100MHz in LTE-Advanced.But the carrier aggregation of discussing in LTE-Advanced at present is not considered the impact of the presence of intercell interference that inter-cell user end (UE) throughput and user side (UE) average throughput are played an important role, if the carrier wave of polymerization is partly subjected to serious presence of intercell interference, so, even if obtained larger bandwidth, make also can use because of serious presence of intercell interference throughput and the rate capability degradation of the user side (UE) of this partially polymerized carrier wave, thereby offset the benefit that carrier aggregation is brought.
Summary of the invention
The object of the invention is for addressing the above problem, and propose a kind of power distribution method for carrier aggregation composition carriers of heterogeneous network.
The present invention proposes a kind of power distribution method for carrier aggregation composition carriers of heterogeneous network, and transmitting power comparison threshold value between presence of intercell interference comparison threshold value and component carrier is determined in base station; User side is measured interference value the reporting base station of self; Base station contrasts interference value and the presence of intercell interference comparison threshold value of described measurement, and when the interference value of described measurement is greater than presence of intercell interference comparison threshold value, new component carrier is redistributed in base station, and notifies user side.
Further, described user side is used new component carrier communication, and user side is measured interference value the reporting base station of self again.
Further, interference comparison threshold value in community is also determined in described base station.
Further, described base station contrasts interference value and the presence of intercell interference comparison threshold value of described measurement, when the interference value of described measurement is less than presence of intercell interference comparison threshold value, in measurement of comparison Zhi Yu community, base station, disturb comparison threshold value, if measured value is greater than in community and disturbs comparison threshold value, described base station reduces the transmitting power of all component carriers.
Further, described base station reduces after the transmitting power of all component carriers, and user side is measured interference value the reporting base station of self again.
Further, disturb comparison threshold value in measurement of comparison Zhi Yu community, described base station, if measured value is less than in community, disturb comparison threshold value, the transmitting power of all component carriers is improved in base station, and user side is measured interference value the reporting base station of self again.
Further, in measurement of comparison Zhi Yu community, described base station, disturb comparison threshold value, if measured value equals interference comparison threshold value in community, transmitting power and the component carrier transmitting power comparison threshold value of described base station contrast different carrier, when being greater than threshold value, base station reduces the transmitting power of high power component carrier or improves the transmitting power of low-power component carrier, and again contrast transmitting power and the component carrier transmitting power comparison threshold value of different carrier, until the transmitting power of described different carrier equals component carrier transmitting power comparison threshold value.
Further, transmitting power and the component carrier transmitting power comparison threshold value of described base station contrast different carrier, when being less than threshold value, the transmitting power of all component carriers is improved in base station, and again contrast transmitting power and the component carrier transmitting power comparison threshold value of different carrier, until the transmitting power of described different carrier equals component carrier transmitting power comparison threshold value.
Further, transmitting power and the component carrier transmitting power comparison threshold value of described base station contrast different carrier, when equaling threshold value, the transmitting power of all component carriers of user side is determined in base station, user side transmitting power is finally determined in base station, and notifies user side.
Further, user side is used definite transmitting power to carry out sending and receiving.
The invention has the beneficial effects as follows: the arranging to have reduced respectively in minizone, community and between component carrier of passing threshold of the present invention disturbed, can there is difference in the transmitting power of different component carriers, to meet the sending/receiving demand of different types of channels, data on different component carriers.Adopt the mode of carrier aggregation to carry out effectively in current wireless communication system, to support larger bandwidth, to meet the demand to indexs such as throughput, peak rates in new generation of wireless standard.
Accompanying drawing explanation
Fig. 1 is the key step of embodiment of the present invention power distribution method for carrier aggregation composition carriers of heterogeneous network;
Fig. 2 is the detail flowchart of embodiment of the present invention power distribution method for carrier aggregation composition carriers of heterogeneous network.
Embodiment
Below in conjunction with drawings and Examples, technical solution of the present invention is described in further detail.
The present invention relates to the component carrier power distribution method of carrier aggregation under isomerism network structure, carrier aggregation is in future broadband wireless communication systems, to support the key technology of larger bandwidth, by the carrier wave to different, carries out polymerization, forms the carrier wave of larger bandwidth.Dissimilar base station (Base Station in heterogeneous network, BS) and user side (User Equipment, UE) there is different transmitting powers, and when carrier aggregation, can there are a plurality of different component carriers, first, base station or other types Node configuration presence of intercell interference comparison threshold value, for determining the presence of intercell interference situation of heterogeneous network, the presence of intercell interference comparison threshold value of dissimilar base station and user side can be different, when the presence of intercell interference value of measuring is greater than threshold value, base station or other types node will be redistributed new component carrier to reduce presence of intercell interference, secondly, in base station or other types Node configuration community, disturb comparison threshold value, for disturbance regime in the community of dissimilar node or user side in definite same community, dissimilar base station can be different with interference comparison threshold value in the community of user side, in the community of measuring, disturb while being greater than threshold value, base station or other types node and user side will reduce the transmitting power of all component carriers, otherwise, improve the transmitting power of all component carriers, then, power comparison threshold value between base station or other types Node configuration component carrier, poor for transmitting power between the different component carriers of balance, reduce between component carrier and disturb, finally, base station or other types node are by transmitting power notice node and the user side finally adjusted.By arranging of three kinds of threshold values, having been reduced respectively in minizone, community and between component carrier and disturbed, can there is difference in the transmitting power of different component carriers, to meet the sending/receiving demand of different types of channels, data on different component carriers.
As shown in Figure 1, be the key step of power distribution method for carrier aggregation composition carriers of heterogeneous network of the present invention, it comprises:
S101; Transmitting power comparison threshold value between presence of intercell interference comparison threshold value and component carrier is determined in base station;
S102: user side is measured interference value the reporting base station of self;
S103: base station contrasts interference value and the presence of intercell interference comparison threshold value of described measurement;
S104: when the interference value of described measurement is greater than presence of intercell interference comparison threshold value, new component carrier is redistributed in base station, and notifies user side.
As shown in Figure 2, be the detail flowchart of embodiment of the present invention power distribution method for carrier aggregation composition carriers of heterogeneous network, it comprises the following steps:
S201: presence of intercell interference comparison threshold value is determined in base station;
S202: interference comparison threshold value in community is determined in base station;
S203: transmitting power comparison threshold value between component carrier is determined in base station;
S204: user side is measured interference value the reporting base station of self;
S205: base station measurement of comparison value and presence of intercell interference comparison threshold value, if measured value is greater than threshold value, forward step S206 to, otherwise forward step S208 to;
S206: new component carrier is redistributed in base station, and notify user side;
S207: user side is used new component carrier communication, and forward step S204 to;
S208: disturb comparison threshold value in measurement of comparison Zhi Yu community, base station, if measured value is greater than threshold value, forward step S209 to, forward step S210 while being less than threshold value to, equal to forward to step S211;
S209: base station reduces the transmitting power of all component carriers, and forward step S204 to;
S210: the transmitting power of all component carriers is improved in base station, and forward step S204 to;
S211: transmitting power and the component carrier transmitting power comparison threshold value of base station contrast different carrier, when being greater than threshold value, forward step S212 to, while being less than, forward step S213 to, while equaling, forward step S214 to;
S212: base station reduces the transmitting power of high power component carrier, or improve the transmitting power of low-power component carrier, or adjust, and forward step S211 to; simultaneously
S213: the transmitting power of all component carriers is improved in base station, and forward step S211 to;
S214: the transmitting power of all component carriers of user side is determined in base station;
S215: user side transmitting power is finally determined in base station, and notifies user side;
S216: user side is used definite transmitting power to carry out sending and receiving.
Described above is only preferred embodiments of the present invention; certainly can not limit interest field of the present invention with this; therefore; in the situation that not deviating from spirit of the present invention and essence thereof; those of ordinary skill in the art can make according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (7)
1. a power distribution method for carrier aggregation composition carriers of heterogeneous network, is characterized in that: transmitting power comparison threshold value between presence of intercell interference comparison threshold value and component carrier is determined in base station; User side is measured interference value the reporting base station of self; Base station contrasts interference value and the presence of intercell interference comparison threshold value of described measurement, and when the interference value of described measurement is greater than presence of intercell interference comparison threshold value, new component carrier is redistributed in base station, and notifies user side;
Interference comparison threshold value in community is also determined in described base station;
Described base station contrasts interference value and the presence of intercell interference comparison threshold value of described measurement, when the interference value of described measurement is less than presence of intercell interference comparison threshold value, in measurement of comparison Zhi Yu community, base station, disturb comparison threshold value, if measured value is greater than in community and disturbs comparison threshold value, described base station reduces the transmitting power of all component carriers;
In measurement of comparison Zhi Yu community, described base station, disturb comparison threshold value, if measured value equals interference comparison threshold value in community, transmitting power and the component carrier transmitting power comparison threshold value of described base station contrast different carrier, when being greater than threshold value, base station reduces the transmitting power of high power component carrier or improves the transmitting power of low-power component carrier, and again contrast transmitting power and the component carrier transmitting power comparison threshold value of different carrier, until the transmitting power of described different carrier equals component carrier transmitting power comparison threshold value.
2. the method for claim 1, is characterized in that: described user side is used new component carrier communication, and user side is measured interference value the reporting base station of self again.
3. the method for claim 1, is characterized in that: described base station reduces after the transmitting power of all component carriers, and user side is measured interference value the reporting base station of self again.
4. the method for claim 1, it is characterized in that: in measurement of comparison Zhi Yu community, described base station, disturb comparison threshold value, if measured value is less than in community and disturbs comparison threshold value, the transmitting power of all component carriers is improved in base station, and user side is measured interference value the reporting base station of self again.
5. the method for claim 1, it is characterized in that: transmitting power and the component carrier transmitting power comparison threshold value of described base station contrast different carrier, when being less than threshold value, the transmitting power of all component carriers is improved in base station, and again contrast transmitting power and the component carrier transmitting power comparison threshold value of different carrier, until the transmitting power of described different carrier equals component carrier transmitting power comparison threshold value.
6. the method as described in claim 1 or 5, it is characterized in that: transmitting power and the component carrier transmitting power comparison threshold value of described base station contrast different carrier, when equaling threshold value, the transmitting power of all component carriers of user side is determined in base station, user side transmitting power is finally determined in base station, and notifies user side.
7. method as claimed in claim 6, is characterized in that: user side is used definite transmitting power to carry out sending and receiving.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010534923.7A CN101984700B (en) | 2010-11-08 | 2010-11-08 | Power distribution method for carrier aggregation composition carriers of heterogeneous network |
| PCT/CN2011/079891 WO2012062152A1 (en) | 2010-11-08 | 2011-09-20 | Method and system for processing component carrier |
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| CN201010534923.7A CN101984700B (en) | 2010-11-08 | 2010-11-08 | Power distribution method for carrier aggregation composition carriers of heterogeneous network |
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| CN101984700B true CN101984700B (en) | 2014-04-09 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101984700B (en) * | 2010-11-08 | 2014-04-09 | 中兴通讯股份有限公司 | Power distribution method for carrier aggregation composition carriers of heterogeneous network |
| CN102307086B (en) * | 2011-08-19 | 2017-03-15 | 中兴通讯股份有限公司 | Based on method and communication terminal that carrier aggregation technology realizes mixed communication |
| CN103002450B (en) * | 2011-09-13 | 2018-03-02 | 中兴通讯股份有限公司 | The treating method and apparatus of carrier aggregation self-interference between a kind of frequency range |
| CN102448174B (en) * | 2012-01-09 | 2015-08-12 | 中兴通讯股份有限公司 | A kind of radio resource control method and device |
| WO2014029095A1 (en) * | 2012-08-23 | 2014-02-27 | Broadcom Corporation | Low-power carrier type and related methods and apparatus |
| CN103079211B (en) * | 2012-12-31 | 2015-04-15 | 东南大学 | Heterogeneous network interference coordination method on basis of carrier aggregation |
| WO2015168930A1 (en) | 2014-05-09 | 2015-11-12 | 华为技术有限公司 | Method for controlling power of carrier signal, user equipment and base station |
| CN112087759A (en) * | 2019-06-14 | 2020-12-15 | 海信集团有限公司 | Method and equipment for configuring CLI measurement resources |
| US11197300B1 (en) * | 2019-07-26 | 2021-12-07 | T-Mobile Innovations Llc | Mitigating interference caused by external networks |
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| EP1022920A2 (en) * | 1999-01-21 | 2000-07-26 | Lucent Technologies Inc. | Enhanced channel allocation among multiple carriers in a spread spectrum communications system |
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| CN101102262B (en) * | 2006-07-03 | 2011-07-27 | 华为技术有限公司 | Method for allocating sub-carrier and sub-carrier allocation system |
| CN101984700B (en) * | 2010-11-08 | 2014-04-09 | 中兴通讯股份有限公司 | Power distribution method for carrier aggregation composition carriers of heterogeneous network |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP1022920A2 (en) * | 1999-01-21 | 2000-07-26 | Lucent Technologies Inc. | Enhanced channel allocation among multiple carriers in a spread spectrum communications system |
| CN101192872A (en) * | 2006-11-22 | 2008-06-04 | 北京三星通信技术研究有限公司 | Adjusting method for interference between relay stations based on sub-channel pattern |
| CN101808360A (en) * | 2010-04-02 | 2010-08-18 | 中兴通讯股份有限公司 | Method for reporting total power margin of user equipment and use equipment |
| CN101848545A (en) * | 2010-04-21 | 2010-09-29 | 中兴通讯股份有限公司 | Method and device for distributing constituting carrier waves in carrier aggregation |
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| WO2012062152A1 (en) | 2012-05-18 |
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