CN105813205A - Auxiliary carrier configuration method and device - Google Patents

Auxiliary carrier configuration method and device Download PDF

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Publication number
CN105813205A
CN105813205A CN201410855415.7A CN201410855415A CN105813205A CN 105813205 A CN105813205 A CN 105813205A CN 201410855415 A CN201410855415 A CN 201410855415A CN 105813205 A CN105813205 A CN 105813205A
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China
Prior art keywords
carrier wave
auxiliary carrier
load
thresholding
measurement
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CN201410855415.7A
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Chinese (zh)
Inventor
刘娜
彭云鹃
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ZTE Corp
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ZTE Corp
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Priority to CN201410855415.7A priority Critical patent/CN105813205A/en
Priority to PCT/CN2015/086235 priority patent/WO2016107175A1/en
Publication of CN105813205A publication Critical patent/CN105813205A/en
Withdrawn legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation

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

Abstract

The invention discloses an auxiliary carrier configuration method. The method comprises the steps that the load information of a target neighbor zone of user equipment (UE) is acquired; and according to the load information, an auxiliary carrier is configured for the UE. In addition, the invention further discloses an auxiliary carrier configuration device. The device comprises an information acquisition module and a configuration module. According to the technical scheme of the invention, the business flow of a user is improved; the waster of physical resources and idle interface resources is effectively avoided; the resource utilization rate of the auxiliary carrier is improved; and the spectrum efficiency of the system is improved.

Description

A kind of auxiliary carrier wave collocation and device
Technical field
The present invention relates to wireless communication field, particularly relate to a kind of auxiliary carrier wave collocation and device.
Background technology
ITU (InternationalTelecommunicationsUnion, International Telecommunications Union) to next generation mobile communication system IMT-Advanced (InternationalMobileTelecommunications-Advancd, IMT-Advanced) requirement be that maximum system transmission bandwidth reaches 100MHz, up-downgoing data transmission peak rate need to reach 1Gbps and 500Mbps;And system average spectral efficiency (ase) especially edge spectrum efficiency is proposed very high demand.For better compatible LTE (LongTermEvolution, Long Term Evolution) existing standard, the chemical industry that debases the standard make complexity and support application scenarios flexibly, 3GPP (The3rdGenerationPartnershipProject, 3G (Third Generation) Moblie standardization body) introduce CA (CarrierAggregation, carrier aggregation) technology, by the mode that multiple member carriers condense together is realized bigger bandwidth.The introducing of carrier aggregation function, disclosure satisfy that mobile cellular communication system of future generation and the bigger bandwidth demand of long-term evolution upgrading (LTE-Advanced, LongTermEvolutionAdvanced) system and be to maintain the indispensable technology to LTE system backwards compatibility.The maximum bandwidth of current LTE system support is 20MHZ, and lte-a system makes maximum transmission bandwidth extend to 100MHZ by carrier aggregation function.Carrier aggregation refers to evolved node (eNB, EvolvedNodeB) by 2 or multiple carrier wave, maximum 5 carrier aggregation are together, by wireless heterogeneous networks (RRC, RadioResourceControl) reallocation message is handed down to subscriber equipment (UE, UserEquipment) so that UE can use the carrier wave of polymerization to carry out the transmission of business.Wherein, keeping the RRC carrier wave being connected to be referred to as PCC (Primarycarriercomponent, main carrier) with UE, corresponding community is referred to as Pcell (PrimaryCell, main plot);Carrier wave except main carrier is referred to as SCC (Secondarycarriercomponent, auxiliary carrier wave), and corresponding community is called Scell (SecondaryCell, secondary cell).Meanwhile, carrier aggregation comprises three kinds of scenes: continuous carrier polymerization in band, the interior discontinuous carrier polymerization of band, interband carrier aggregation.When eNB is the UE auxiliary carrier wave of interpolation according to the measurement reporting information covering adjacent area or UE at place, community, UE place, do not account for the information on load of auxiliary carrier wave, the auxiliary carrier information added is made to cannot be carried out scheduling of resource due to overload, thus causing eNB cannot provide the big flow scheduling of up-downgoing business for UE, have a strong impact on the business impression of UE;Meanwhile, when eNB be UE often configure an auxiliary carrier wave time, be required for Pcell distribute corresponding physical resource, such as PUCCH resource etc..If current auxiliary carrier wave is owing to Load reason cannot be carried out scheduling or is set to deactivation status, physical resource still can be occupied, and UE can report corresponding physical message all the time frequently, so causes the waste of physical resource and interface-free resources.
Summary of the invention
The invention provides a kind of auxiliary carrier wave collocation based on information on load and device, by such technical scheme, make full use of the scheduling of resource of auxiliary carrier wave, it is to avoid the waste of physical resource and interface-free resources, the spectrum efficiency of system can be promoted simultaneously.
The present invention provides a kind of auxiliary carrier wave collocation based on load, including:
First, the information on load of the target adjacent area of user equipment (UE) is obtained;
Preferably, described information on load includes: physical resource PRB utilization rate, number of users or central processor CPU utilization rate.
Preferably, before obtaining the information on load of target adjacent area of user equipment (UE), described method also includes: pre-sets the information on load correspondence thresholding forbidding loading auxiliary carrier wave and measures wait timing threshold;Described information on load correspondence thresholding includes: PRB utilization rate thresholding, number of users thresholding and CPU usage thresholding.
Preferably, target adjacent area and the information on load thereof of described UE is obtained according to the measurement report of the Neighboring Cell List of described UE or described UE.
Secondly, according to described information on load, configure auxiliary carrier wave for described UE;
Preferably, when PRB utilization rate is less than the described PRB utilization rate thresholding forbidden and load auxiliary carrier wave, described target adjacent area is added to the auxiliary carrier wave of described UE;
When PRB utilization rate is more than or equal to the described PRB utilization rate thresholding forbidding loading auxiliary carrier wave, and when the measurement waiting time exceedes described measurement wait timing threshold, reconfigure the measurement of frequency belonging to described Target cell;
When number of users is less than the described number of users thresholding forbidden and load auxiliary carrier wave, described target adjacent area is added to the auxiliary carrier wave of described UE;
When number of users is more than or equal to the described number of users thresholding forbidding loading auxiliary carrier wave, and when the measurement waiting time exceedes described measurement wait timing threshold, reconfigure the measurement of frequency belonging to described Target cell;
When CPU usage is less than the described CPU usage thresholding forbidden and load auxiliary carrier wave, described target adjacent area is added to the auxiliary carrier wave of described UE;
When CPU usage is more than or equal to the described CPU usage thresholding forbidding loading auxiliary carrier wave, and when the measurement waiting time exceedes described measurement wait timing threshold, reconfigure the measurement of frequency belonging to described Target cell.
The present invention provides a kind of auxiliary carrier wave configuration device, including:
First, data obtaining module, obtain the information on load of the target adjacent area of user equipment (UE);
Preferably, include arranging device before described information acquisition device, the information on load of Serving cell acquisition target adjacent area, pre-set community and forbid loading the thresholding of auxiliary carrier wave and measure waiting timer threshold value;
Preferably, described information on load includes: physical resource PRB utilization rate, number of users or central processor CPU utilization rate.
Preferably, described device also includes arranging module, described arranges module, for obtain the target adjacent area of described UE at described data obtaining module information on load before, pre-set the information on load correspondence thresholding forbidding loading auxiliary carrier wave and measure and wait timing threshold;Described information on load correspondence thresholding includes: PRB utilization rate thresholding, number of users thresholding and CPU usage thresholding.
Preferably, the information on load of the target adjacent area that described data obtaining module obtains user equipment (UE) specifically includes: obtain target adjacent area and the information on load thereof of described UE according to the measurement report of the Neighboring Cell List of described UE or described UE.
Secondly, configure device, according to described information on load, configure auxiliary carrier wave;
Preferably, when PRB utilization rate is more than or equal to the described PRB utilization rate thresholding forbidding loading auxiliary carrier wave, and when the measurement waiting time exceedes described measurement wait timing threshold, reconfigure the measurement of frequency belonging to described Target cell;
When PRB utilization rate is less than the described PRB utilization rate thresholding forbidden and load auxiliary carrier wave, described target adjacent area is added to the auxiliary carrier wave of described UE;
When number of users is less than the described number of users thresholding forbidden and load auxiliary carrier wave, described target adjacent area is added to the auxiliary carrier wave of described UE;
When number of users is more than or equal to the described number of users thresholding forbidding loading auxiliary carrier wave, and when the measurement waiting time exceedes described measurement wait timing threshold, reconfigure the measurement of frequency belonging to described Target cell;
When CPU usage is less than the described CPU usage thresholding forbidden and load auxiliary carrier wave, described target adjacent area is added to the auxiliary carrier wave of described UE;
When CPU usage is more than or equal to the described CPU usage thresholding forbidding loading auxiliary carrier wave, and when the measurement waiting time exceedes described measurement wait timing threshold, reconfigure the measurement of frequency belonging to described Target cell.
Technical scheme provided by the invention, consider the actual load situation of target adjacent area, the auxiliary carrier wave of selective configuration, ensure that the resource of the auxiliary carrier wave added can fully be used, improve the service traffics of user, effectively avoid the waste of physical resource and interface-free resources simultaneously, improve the resource utilization of auxiliary carrier wave, promote the spectrum efficiency of system.
Accompanying drawing explanation
For the clearer explanation embodiment of the present invention or existing technical scheme in the art, embodiment or existing accompanying drawing used in the art will be done simple introduction below.
Fig. 1 is a kind of auxiliary carrier wave collocation schematic diagram of the present invention;
Fig. 2 is the auxiliary carrier wave collocation flow chart of the embodiment of the present invention;
Fig. 3 is the auxiliary carrier wave configuration device schematic diagram of the present invention.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
Fig. 1 is the auxiliary carrier wave collocation schematic diagram of the present invention,
Step 101: obtain the information on load of the target adjacent area of user equipment (UE);
Concrete, before obtaining the information on load of target adjacent area of user equipment (UE), also include: pre-set the corresponding thresholding forbidding the information on load loading auxiliary carrier wave and measure wait timing threshold;The corresponding thresholding of described information on load includes: PRB utilization rate thresholding, number of users thresholding and CPU usage thresholding.
Concrete, described information on load includes: physical resource PRB utilization rate, number of users or central processor CPU utilization rate.
Concrete, the information on load of the target adjacent area of described acquisition user equipment (UE) specifically includes: obtain target adjacent area and the information on load thereof of described UE according to the measurement report of the Neighboring Cell List of described UE or described UE.
Step 102: according to described information on load, configures auxiliary carrier wave for described UE;
Concrete, when PRB utilization rate is more than or equal to the described PRB utilization rate thresholding forbidding loading auxiliary carrier wave, and when the measurement waiting time exceedes described measurement wait timing threshold, reconfigure the measurement of frequency belonging to described Target cell;
When PRB utilization rate is less than the described PRB utilization rate thresholding forbidden and load auxiliary carrier wave, described target adjacent area is added to the auxiliary carrier wave of described UE;
When number of users is less than the described number of users thresholding forbidden and load auxiliary carrier wave, described target adjacent area is added to the auxiliary carrier wave of described UE;
When number of users is more than or equal to the described number of users thresholding forbidding loading auxiliary carrier wave, and when the measurement waiting time exceedes described measurement wait timing threshold, reconfigure the measurement of frequency belonging to described Target cell;
When CPU usage is less than the described CPU usage thresholding forbidden and load auxiliary carrier wave, described target adjacent area is added to the auxiliary carrier wave of described UE;
When CPU usage is more than or equal to the described CPU usage thresholding forbidding loading auxiliary carrier wave, and when the measurement waiting time exceedes described measurement wait timing threshold, reconfigure the measurement of frequency belonging to described Target cell.
Fig. 2 is the auxiliary carrier wave collocation flow chart of the embodiment of the present invention, and example below one, embodiment two, embodiment three are suitable for accompanying drawing 2 respectively.
Embodiment one
Information on load is for community user number, if the maximum number of user allowed in community is 400, and arranges community and forbids that the thresholding adding auxiliary carrier wave is: 400*80%=320;Arranging measurement waiting timer is 1S;
S201: start;
S202: the acquisition of target adjacent area and information on load thereof;
UE reports the measurement report of the target adjacent area satisfied condition to Serving cell, Serving cell sends the request message obtaining its information on load to target adjacent area, the number of users of current area is fed back to service message by target adjacent area, wherein, the number of users of current area=RRC connects number of users+as number of users=200 of auxiliary carrier wave;
S203: whether the load of target adjacent area is less than load thresholding;
The information on load number of users 200 of target adjacent area, less than forbidding adding the thresholding 320 of auxiliary carrier wave, forwards S204 to;If the number of users of target neighboring cell load is more than or equal to when forbidding the thresholding 320 adding auxiliary carrier wave, forward S205 to;
S204: Serving cell carries out Scell adding procedure;
Serving cell is added to the auxiliary carrier wave of described UE target adjacent area.
S205: Serving cell starts cycle timer;
S206: Serving cell judges that whether cycle timer is overtime, if it times out, enter step S207, otherwise enters step S206 and continues to judge that whether periodical timer is overtime;
Here, the time that record is used, if cycle timer exceedes arranges thresholding 1S, then it is assumed that time-out;
S207: Serving cell reconfigures the measurement of frequency belonging to target adjacent area;
Serving cell starts measures waiting timer, and after intervalometer 1S time-out, Serving cell is UE configuration or heavily joins the measurement of frequency belonging to target adjacent area.
S208: terminate.
Embodiment two
Information on load is for PRB resource utilization, if community forbids that the PRB utilization rate thresholding adding auxiliary carrier wave is 80%;Arranging measurement waiting timer is 2S;
S201: start;
S202: the acquisition of target adjacent area and information on load thereof;
UE reports the measurement report of the target adjacent area satisfied condition to Serving cell, and Serving cell sends the request message obtaining information on load to target adjacent area, and the PRB utilization rate 70% of current area is fed back to Serving cell by target adjacent area;
S203: whether the load of target adjacent area is less than load thresholding;
When Serving cell judges the PRB utilization rate 70% of target adjacent area less than the PRB utilization rate thresholding 80% forbidding adding auxiliary carrier wave, then enter step S204;Judge the PRB utilization rate of target adjacent area more than or equal to when forbidding adding the PRB utilization rate thresholding 80% of auxiliary carrier wave, then enter step S205;
S204: Serving cell carries out auxiliary carrier wave Scell adding procedure;
Target adjacent area is added to the auxiliary carrier wave of UE by Serving cell.
S205: Serving cell starts cycle timer;
S206: Serving cell judges that whether cycle timer is overtime, if it times out, enter step S207, otherwise enters step S206 and continues to judge that whether periodical timer is overtime;
Here, the time that record is used, if cycle timer exceedes arranges thresholding 1S, then it is assumed that time-out;
S207: Serving cell reconfigures the measurement of frequency belonging to target adjacent area;
Serving cell starts measures waiting timer, and after intervalometer 1S time-out, Serving cell is UE configuration or heavily joins the measurement of frequency belonging to target adjacent area.
S208: terminate.
Embodiment three
Information on load is for baseband board CPU usage, if community forbids that the CPU usage thresholding adding auxiliary carrier wave is 80%;Arranging measurement waiting timer is 2S;
S201: start;
S202: the acquisition of target adjacent area and information on load thereof;
UE reports the measurement report of the target adjacent area satisfied condition to Serving cell, and Serving cell sends the request message obtaining information on load to target adjacent area, and the baseband board CPU usage 70% of current area is fed back to Serving cell by target adjacent area;
S203: whether the load of target adjacent area is less than load thresholding;
Serving cell judges that the baseband board CPU usage 70% of target adjacent area is less than when forbidding the CPU usage thresholding 80% adding auxiliary carrier wave, then entering step S204;Judge that the CPU usage of target adjacent area is more than or equal to, when forbidding the CPU usage thresholding 80% adding auxiliary carrier wave, entering step S205;
S204: Serving cell carries out auxiliary carrier wave Scell adding procedure;
Target adjacent area is added to the auxiliary carrier wave of UE by Serving cell.
S205: Serving cell starts cycle timer;
S206: Serving cell judges that whether cycle timer is overtime, if it times out, enter step S207, otherwise enters step S206 and continues to judge that whether periodical timer is overtime;
Here, the time that record is used, if cycle timer exceedes arranges thresholding 1S, then it is assumed that time-out;
S207: Serving cell reconfigures the measurement of frequency belonging to target adjacent area;
Serving cell starts measures waiting timer, and after intervalometer 1S time-out, Serving cell is UE configuration or heavily joins the measurement of frequency belonging to target adjacent area.
S208: terminate.
Fig. 3 is the auxiliary carrier wave configuration schematic diagram of the present invention, as shown in the figure:
S301: data obtaining module, obtains the information on load of the target adjacent area of user equipment (UE);
Concrete, described information on load includes: physical resource PRB utilization rate, number of users or central processor CPU utilization rate;
Concrete, described device also includes arranging module, described arranges module, for obtain the target adjacent area of described UE at described data obtaining module information on load before, pre-set the information on load correspondence thresholding forbidding loading auxiliary carrier wave and measure and wait timing threshold;Described information on load correspondence thresholding includes: PRB utilization rate thresholding, number of users thresholding and CPU usage thresholding;
Concrete, the information on load of the target adjacent area that described data obtaining module obtains user equipment (UE) specifically includes: obtain target adjacent area and the information on load thereof of described UE according to the measurement report of the Neighboring Cell List of described UE or described UE.
S302: configuration module, according to described information on load, configures auxiliary load for described UE;
Concrete, when PRB utilization rate is more than or equal to the described PRB utilization rate thresholding forbidding loading auxiliary carrier wave, and when the measurement waiting time exceedes described measurement wait timing threshold, reconfigure the measurement of frequency belonging to described Target cell;
When PRB utilization rate is less than the described PRB utilization rate thresholding forbidden and load auxiliary carrier wave, described target adjacent area is added to the auxiliary carrier wave of described UE;
When number of users is less than the described number of users thresholding forbidden and load auxiliary carrier wave, described target adjacent area is added to the auxiliary carrier wave of described UE;
When number of users is more than or equal to the described number of users thresholding forbidding loading auxiliary carrier wave, and when the measurement waiting time exceedes described measurement wait timing threshold, reconfigure the measurement of frequency belonging to described Target cell;
When CPU usage is less than the described CPU usage thresholding forbidden and load auxiliary carrier wave, described target adjacent area is added to the auxiliary carrier wave of described UE;
When CPU usage is more than or equal to the described CPU usage thresholding forbidding loading auxiliary carrier wave, and when the measurement waiting time exceedes described measurement wait timing threshold, reconfigure the measurement of frequency belonging to described Target cell.
Described above illustrate and describes a preferred embodiment of the present invention, but as previously mentioned, it is to be understood that the present invention is not limited to form disclosed herein, it is not to be taken as the eliminating to other embodiments, and can be used for other combinations various, amendment and environment, and in invention contemplated scope described herein, can be modified by the technology of above-mentioned instruction or association area or knowledge.And the change that those skilled in the art carry out and change are without departing from the spirit and scope of the present invention, then all should in the protection domain of claims of the present invention.

Claims (10)

1. an auxiliary carrier wave collocation, it is characterised in that described method includes:
Obtain the information on load of the target adjacent area of user equipment (UE);
According to described information on load, configure auxiliary carrier wave for described UE.
2. the method for claim 1, it is characterised in that described information on load includes: physical resource PRB utilization rate, number of users or central processor CPU utilization rate.
3. method as claimed in claim 2, it is characterised in that before obtaining the information on load of target adjacent area of user equipment (UE), described method also includes: pre-set the corresponding thresholding forbidding the information on load loading auxiliary carrier wave and measure wait timing threshold;The corresponding thresholding of described information on load includes: PRB utilization rate thresholding, number of users thresholding and CPU usage thresholding.
4. method as claimed in claim 3, it is characterised in that described according to described information on load, configures auxiliary carrier wave for described UE and includes:
When PRB utilization rate is less than the described PRB utilization rate thresholding forbidden and load auxiliary carrier wave, described target adjacent area is added to the auxiliary carrier wave of described UE;
When PRB utilization rate is more than or equal to the described PRB utilization rate thresholding forbidding loading auxiliary carrier wave, and when the measurement waiting time exceedes described measurement wait timing threshold, reconfigure the measurement of frequency belonging to described Target cell;
When number of users is less than the described number of users thresholding forbidden and load auxiliary carrier wave, described target adjacent area is added to the auxiliary carrier wave of described UE;
When number of users is more than or equal to the described number of users thresholding forbidding loading auxiliary carrier wave, and when the measurement waiting time exceedes described measurement wait timing threshold, reconfigure the measurement of frequency belonging to described Target cell;
When CPU usage is less than the described CPU usage thresholding forbidden and load auxiliary carrier wave, described target adjacent area is added to the auxiliary carrier wave of described UE;
When CPU usage is more than or equal to the described CPU usage thresholding forbidding loading auxiliary carrier wave, and when the measurement waiting time exceedes described measurement wait timing threshold, reconfigure the measurement of frequency belonging to described Target cell.
5. the method for claim 1, it is characterised in that the information on load of the target adjacent area of described acquisition user equipment (UE) specifically includes: obtain target adjacent area and the information on load thereof of described UE according to the measurement report of the Neighboring Cell List of described UE or described UE.
6. an auxiliary carrier wave configuration device, it is characterised in that described device includes:
Data obtaining module, obtains the information on load of the target adjacent area of user equipment (UE);
Configuration module, according to described information on load, configures auxiliary carrier wave for described UE.
7. device as claimed in claim 6, it is characterised in that described information on load includes: physical resource PRB utilization rate, number of users or central processor CPU utilization rate.
8. device as claimed in claim 6, it is characterized in that, described device also includes arranging module, described module is set, for, before the information on load of the target adjacent area of the described data obtaining module described UE of acquisition, pre-setting the corresponding thresholding forbidding the information on load loading auxiliary carrier wave and measure wait timing threshold;The corresponding thresholding of described information on load includes: PRB utilization rate thresholding, number of users thresholding and CPU usage thresholding.
9. device as claimed in claim 8, it is characterised in that described configuration module, according to described information on load, configures auxiliary carrier wave for described UE and includes:
When PRB utilization rate is more than or equal to the described PRB utilization rate thresholding forbidding loading auxiliary carrier wave, and when the measurement waiting time exceedes described measurement wait timing threshold, reconfigure the measurement of frequency belonging to described Target cell;
When PRB utilization rate is less than the described PRB utilization rate thresholding forbidden and load auxiliary carrier wave, described target adjacent area is added to the auxiliary carrier wave of described UE;
When number of users is less than the described number of users thresholding forbidden and load auxiliary carrier wave, described target adjacent area is added to the auxiliary carrier wave of described UE;
When number of users is more than or equal to the described number of users thresholding forbidding loading auxiliary carrier wave, and when the measurement waiting time exceedes described measurement wait timing threshold, reconfigure the measurement of frequency belonging to described Target cell;
When CPU usage is less than the described CPU usage thresholding forbidden and load auxiliary carrier wave, described target adjacent area is added to the auxiliary carrier wave of described UE;
When CPU usage is more than or equal to the described CPU usage thresholding forbidding loading auxiliary carrier wave, and when the measurement waiting time exceedes described measurement wait timing threshold, reconfigure the measurement of frequency belonging to described Target cell.
10. device as claimed in claim 6, it is characterized in that, the information on load of the target adjacent area that described data obtaining module obtains user equipment (UE) specifically includes: obtain target adjacent area and the information on load thereof of described UE according to the measurement report of the Neighboring Cell List of described UE or described UE.
CN201410855415.7A 2014-12-31 2014-12-31 Auxiliary carrier configuration method and device Withdrawn CN105813205A (en)

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PCT/CN2015/086235 WO2016107175A1 (en) 2014-12-31 2015-08-06 Secondary carrier configuration method and device

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Application publication date: 20160727