WO2011131119A1 - Procédé et appareil d'allocation de composantes porteuses en regroupement de porteuses - Google Patents

Procédé et appareil d'allocation de composantes porteuses en regroupement de porteuses Download PDF

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Publication number
WO2011131119A1
WO2011131119A1 PCT/CN2011/072991 CN2011072991W WO2011131119A1 WO 2011131119 A1 WO2011131119 A1 WO 2011131119A1 CN 2011072991 W CN2011072991 W CN 2011072991W WO 2011131119 A1 WO2011131119 A1 WO 2011131119A1
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WO
WIPO (PCT)
Prior art keywords
user equipment
component carrier
carrier
quality information
base station
Prior art date
Application number
PCT/CN2011/072991
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English (en)
Chinese (zh)
Inventor
魏巍
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2011131119A1 publication Critical patent/WO2011131119A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria

Definitions

  • the present invention relates to the field of wireless communications, and in particular, to a carrier allocation method and apparatus for carrier aggregation. Background technique
  • the Long Term Evolution-Advanced (LTE-A) system is a next-generation evolution system of the Third Generation Partnership Project (3GPP) Long Term Evolution (LTE), which proposes carrier aggregation technology.
  • 3GPP Third Generation Partnership Project
  • LTE Long Term Evolution
  • UE User Equipment
  • the maximum downlink transmission bandwidth supported by the system is 20MHz.
  • carrier aggregation technology two or more component carriers can be aggregated to support a transmission bandwidth greater than 20MHz.
  • carrier aggregation has the advantage of providing greater bandwidth
  • improper carrier aggregation will affect the effectiveness of carrier aggregation technology applications.
  • small-area interference has a huge impact on the throughput and average throughput of user equipment.
  • the user equipment consists of carriers with severe inter-cell interference, even if larger bandwidth is obtained through carrier aggregation,
  • the aggregated carrier contains the interfered carrier, which seriously degrades the throughput and rate performance of the user equipment, which offsets the benefits of carrier aggregation.
  • the technical problem to be solved by the present invention is to provide a component carrier allocation method and apparatus in carrier aggregation, which can improve the effectiveness of carrier aggregation application.
  • the present invention uses the following technical solutions:
  • a component carrier allocation method in carrier aggregation comprising:
  • the base station collects the user equipment to form the carrier use quality information, and composes the carrier use quality information according to the collected user equipment, and configures the component carrier for the user equipment.
  • the user equipment component carrier quality information includes: a user equipment component carrier measurement performance parameter, a user equipment component carrier path loss, and a small interval interference.
  • the method before the base station collects the user equipment to form the carrier usage quality information, the method further includes the following steps: the base station determines the bandwidth capability of the user equipment; and the base station allocates the component to the user equipment according to the bandwidth capability of the user equipment. Carrier.
  • the base station is further configured with a component carrier reselection threshold; the base station configures a component carrier for the user equipment according to the carrier service quality information of the user equipment, where: the base station compares the component carrier quality. The information and the component carrier reselection threshold, if the component carrier quality information is greater than the reselection threshold, the base station reassigns the component carrier to the user equipment.
  • the method further includes: the base station further grouping the component carriers, and different packets adopt different transmission schemes.
  • the base station presets a component carrier selection and a merge threshold, and is used to compare the component carrier quality information when the component carrier use quality information is less than a reselection threshold. If the component carrier use quality information is greater than the component carrier selection and the merge threshold, the original component of the carrier is split and the component carrier is regrouped; otherwise, the original packet is merged.
  • the present invention also provides a component carrier allocation device in carrier aggregation, the device includes: a collector and a configurator disposed in a base station; the collector is configured to collect user equipment to form carrier use quality information, The configurator is configured to form carrier component quality information according to the user equipment collected by the collector, and allocate a component carrier to the user equipment.
  • the apparatus further includes a comparator disposed at the base station, configured to compare the usage quality information collected by the collector and the component carrier reselection threshold preset by the base station, when the component carrier is configured When the quality information is greater than the reselection threshold, the configurator reassigns the component carrier to the user equipment.
  • a comparator disposed at the base station, configured to compare the usage quality information collected by the collector and the component carrier reselection threshold preset by the base station, when the component carrier is configured When the quality information is greater than the reselection threshold, the configurator reassigns the component carrier to the user equipment.
  • the configurator is further configured to allocate different transmission schemes to different components of the component carrier group.
  • the comparator is further configured to: when the component carrier usage quality information is less than a reselection threshold, compare the used quality information with a component carrier selection and a combination threshold preset by the base station, If the component carrier use quality information is greater than the component carrier selection and the merge threshold, the original component of the carrier is split and the component carrier is regrouped; otherwise, the original packet is merged.
  • the base station uses the quality information according to the component carrier of the user equipment, and configures the component carrier for the user equipment. For example, when the component carrier quality is good, the original component carrier can continue to be used; When the quality is deteriorated, the component carriers used by the user equipment can be adjusted to ensure the quality of use of the carrier equipment of the user equipment, and the carrier aggregation technology is effectively utilized.
  • the base station uses the quality information according to the component carrier of the user equipment, and configures the component carrier for the user equipment. For example, when the component carrier quality is good, the original component carrier can continue to be used; When the quality is deteriorated, the component carriers used by the user equipment can be adjusted to ensure the quality of use of the carrier equipment of the user equipment, and the carrier aggregation technology is effectively utilized.
  • FIG. 1 is a schematic flowchart of a component carrier allocation method according to an embodiment of the present invention. detailed description
  • the present invention relates to carrier aggregation, which is a gateway for supporting greater bandwidth in a wireless communication system.
  • Key technology which aggregates different carriers to form a larger bandwidth.
  • the main idea of the present invention is that the base station selects and allocates a suitable component carrier for the user equipment according to the real-time situation of the carrier equipment of the user equipment. In this way, the real-time situation of the component equipment of the user equipment can be effectively reflected, and the influence of inter-cell interference is effectively reduced, so that the carrier aggregation technology can be effectively utilized.
  • the main steps of the technical solution are: the base station collects the user equipment to form the carrier use quality information; the base station composes the carrier use quality information according to the collected user equipment, and configures the component carrier for the user equipment.
  • the user equipment component carrier quality information includes but is not limited to: the user equipment component carrier measurement performance parameter, the user equipment component carrier path loss, and the small interval interference.
  • the user equipment component carrier quality is a measurement determined by the user equipment to measure a selected quality indicator (e.g., inter-cell interference).
  • the initial configuration of the component carrier can utilize the bandwidth capability of the user equipment, that is, the base station determines the bandwidth of the user equipment. Capabilities, and assign component carriers to user devices according to the bandwidth capabilities of the user equipment.
  • the base station allocates a component carrier to the user equipment according to the bandwidth and performance requirements of the user equipment, and sets an initial grouping of the component carriers.
  • the initial grouping may divide all component carriers into one group, or may be divided into multiple groups, or may be
  • the base station sets the component carrier group according to performance indicators such as bandwidth, path loss, throughput, and peak rate. For example, for a user equipment in a cell center or a hotspot, only one component carrier group is set.
  • multiple component carrier groups can be set in consideration of path loss and inter-cell interference, and each component carrier group is used. Different transmission schemes, such as multiple input and multiple output, cooperative point transmission and reception technologies. After grouping, each packet is assigned a physical cell identity.
  • the base station may preset a component reselection threshold (a threshold value of one) to perform reselection of the component carrier.
  • a component reselection threshold a threshold value of one
  • the user equipment component carrier quality information reflects the inter-cell interference, that is, the greater the component carrier quality information, indicating that the carrier equipment quality of the user equipment component is worsened, and vice versa. It indicates that the user equipment component carrier quality is developing in a good direction.
  • the base station configures the component carrier for the user equipment according to the component usage quality information of the user equipment, and specifically includes: the base station compares the component carrier quality information and the component carrier reselection threshold, if the component carrier quality information is greater than the weight When the threshold is selected, the base station re-allocates the component carriers for the user equipment and groups the re-allocated component carriers. When the quality information used is less than the component carrier reselection threshold, the base station may not act.
  • the base station may also preset a component carrier selection and a merge threshold (a threshold value 2) for comparing the quality information with the use quality information when the quality information is less than the reselection threshold, and if the quality information used is greater than the component carrier selection and the merge threshold,
  • a threshold value 2 for comparing the quality information with the use quality information when the quality information is less than the reselection threshold, and if the quality information used is greater than the component carrier selection and the merge threshold.
  • the original grouping of the carrier is split, and the component carriers are re-grouped, that is, the grouping method is different from the previous grouping method, and the physical cell identifier is re-allocated for each group; otherwise, the user equipment component carriers are combined into one group. , of course, can also be combined into two or more.
  • the carriers that are subject to strong interference can be divided into one group, and the ones that are weakly interfered are divided into one group, and the ones that are not interfered are divided into one group, and the targeted transmission schemes are taken for different groups. It should be noted that this is only one Grouping, not unique.
  • the carrier selection and summation thresholds represent the refinement of the component carrier group. That is, when the carrier device usage quality of the user equipment is greater than the reselection threshold, the component carrier needs to be reselected, and the carrier device quality of the user equipment component is less than the weight. If you choose a wide value, you do not need to reselect the component carrier. However, in this interval, it is further divided into: The user equipment component carrier quality is greater than the selection and merging threshold, indicating that the component carrier quality has become worse. Therefore, by splitting the packet, the component is used in a poor quality composition. The carrier grouping is distinguished from the component carrier group with good quality. When the user equipment component carrier quality is smaller than the selection and combining threshold, indicating that the quality of all component carriers is good, the grouping can be combined to reduce the grouping.
  • the above component carrier reselection threshold and component carrier selection and merging threshold can be based on the user The bandwidth capability of the device is determined.
  • An apparatus for composing a carrier in a carrier aggregation includes: a collector and a configurator disposed in a base station, where the collector is configured to collect user equipment to form carrier use quality information, where the configurator is used by the configurator The user equipment is configured to use the quality information according to the user equipment collected by the collector, and the component equipment is allocated to the user equipment.
  • the configurator can also be used to group component carriers, each group being assigned a particular transmission scheme.
  • the device further includes a comparator disposed at the base station, configured to compare the usage quality information collected by the collector and the component carrier reselection threshold preset by the base station, when the component carrier quality information is greater than the reselection width In the case of the value, the configurator reassigns the component carrier to the user equipment.
  • the comparator may be further configured to: when the component carrier quality information is less than the reselection threshold, compare the used quality information with the component carrier selection and combining thresholds preset by the base station, and form, merge, and split the component carrier according to the comparison result. .
  • Step 1 The base station determines the bandwidth capability of the user terminal, including: user equipment bandwidth and performance requirements;
  • Step 2 The base station presets a threshold of one and a threshold of two;
  • the threshold value is a component carrier reselection threshold
  • the threshold value 2 is a component carrier group selection and a combination threshold value
  • the threshold value 2 is less than the threshold value one.
  • Step 3 The base station allocates component carriers and groups the user equipments.
  • the base station allocates a corresponding component carrier to the user terminal according to the bandwidth capability of the user terminal, and groups the allocated component carriers.
  • Step 4 The base station collects the user equipment to form the carrier usage quality information, and determines the measured value.
  • the user equipment component carrier quality information includes: a component carrier measurement performance parameter used by the user equipment, and a component carrier used by the user equipment. Road loss, small interval interference.
  • Step 5 Compare the measured value with the threshold value. If the measured value is greater than the threshold value, go to step 6. Otherwise go to step 7;
  • Step 6 The base station reassigns the component carriers to the user equipment and groups them, and ends;
  • Step 7 Compare the measured value with the threshold value 2. If the measured value is less than the threshold value 2, go to step 8, otherwise go to step 9;
  • Step 8 The base station merges to form a carrier group, and ends;
  • Step 9 The base station splits the original component carrier group to form a new component carrier group, and ends.
  • the invention uses the component carrier usage quality information of the UE, and configures the component carrier for the UE accordingly, so that the UE can effectively apply the carrier aggregation technology, fully utilize the superiority of the carrier aggregation technology, and avoid inter-cell interference and other problems to cancel the carrier.
  • the advantages of aggregation are described below.

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  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé et un appareil d'allocation de composantes porteuses en regroupement de porteuses. Ledit procédé comporte les étapes suivantes : une station de base recueille des informations sur la qualité d'utilisation des composantes porteuses d'un équipement d'utilisateur ; la station de base configure des composantes porteuses pour l'équipement d'utilisateur en fonction des informations recueillies sur la qualité d'utilisation des composantes porteuses de l'équipement d'utilisateur. Ledit appareil comprend un collecteur et un configurateur incorporés à la station de base. Ledit collecteur est utilisé pour recueillir des informations sur la qualité d'utilisation des composantes porteuses de l'équipement d'utilisateur. Ledit configurateur est utilisé pour allouer des composantes porteuses à l'équipement d'utilisateur en fonction des informations sur la qualité d'utilisation des composantes porteuses de l'équipement d'utilisateur recueillies par le collecteur. L'application dudit procédé et dudit appareil permet de garantir la validité d'un utilisateur employant des composantes porteuses.
PCT/CN2011/072991 2010-04-21 2011-04-19 Procédé et appareil d'allocation de composantes porteuses en regroupement de porteuses WO2011131119A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201010157979.5A CN101848545B (zh) 2010-04-21 2010-04-21 一种载波聚合中组成载波分配方法和装置
CN201010157979.5 2010-04-21

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Publication Number Publication Date
WO2011131119A1 true WO2011131119A1 (fr) 2011-10-27

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WO (1) WO2011131119A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9258811B2 (en) 2011-02-11 2016-02-09 Broadcom Corporation Signaling method to enable controlled TX deferring in mixed license and unlicensed spectrum in carrier aggregation in future LTE-A networks

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101848545B (zh) * 2010-04-21 2014-03-12 中兴通讯股份有限公司 一种载波聚合中组成载波分配方法和装置
CN102468900B (zh) * 2010-11-03 2016-04-13 中兴通讯股份有限公司 一种载波聚合中实现控制信道处理的方法和系统
CN101984700B (zh) * 2010-11-08 2014-04-09 中兴通讯股份有限公司 一种异构网络载波聚合组成载波功率分配方法
CN102065455A (zh) * 2010-12-02 2011-05-18 中兴通讯股份有限公司 载波聚合中上行链路功率控制的路损复合测量方法及装置
CN102026275A (zh) * 2010-12-20 2011-04-20 中兴通讯股份有限公司 一种异构网络中锚定载波协调方法与装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101656979A (zh) * 2008-08-19 2010-02-24 华为技术有限公司 一种多载波系统中的资源管理方法、装置及系统
CN101674586A (zh) * 2009-10-13 2010-03-17 中兴通讯股份有限公司 一种载波聚合中的测量处理方法及系统
CN101848545A (zh) * 2010-04-21 2010-09-29 中兴通讯股份有限公司 一种载波聚合中组成载波分配方法和装置
WO2010135706A2 (fr) * 2009-05-21 2010-11-25 Qualcomm Incorporated Indication de défaillance pour une ou plusieurs porteuses dans un environnement de communication à porteuses multiples

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60222474T2 (de) * 2001-05-25 2008-06-12 Ntt Docomo, Inc. Mobilfunkkommunikationssystem zur Interferenzverminderung in Bezug auf andere Kommunikationssysteme, die ein Nachbarfrequenzband benutzen
DE102007010857A1 (de) * 2007-03-01 2008-09-04 Siemens Ag Überspannungsableiter mit einer Varistoranordnung und Varistormodul zur Verwendung in einem Überspannungsableiter
CN101340707A (zh) * 2007-07-04 2009-01-07 鼎桥通信技术有限公司 随机接入方法、网络控制单元、基站单元和用户终端

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101656979A (zh) * 2008-08-19 2010-02-24 华为技术有限公司 一种多载波系统中的资源管理方法、装置及系统
WO2010135706A2 (fr) * 2009-05-21 2010-11-25 Qualcomm Incorporated Indication de défaillance pour une ou plusieurs porteuses dans un environnement de communication à porteuses multiples
CN101674586A (zh) * 2009-10-13 2010-03-17 中兴通讯股份有限公司 一种载波聚合中的测量处理方法及系统
CN101848545A (zh) * 2010-04-21 2010-09-29 中兴通讯股份有限公司 一种载波聚合中组成载波分配方法和装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9258811B2 (en) 2011-02-11 2016-02-09 Broadcom Corporation Signaling method to enable controlled TX deferring in mixed license and unlicensed spectrum in carrier aggregation in future LTE-A networks

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CN101848545B (zh) 2014-03-12

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