CN105517040A - Configuration method and device - Google Patents
Configuration method and device Download PDFInfo
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- CN105517040A CN105517040A CN201510970438.7A CN201510970438A CN105517040A CN 105517040 A CN105517040 A CN 105517040A CN 201510970438 A CN201510970438 A CN 201510970438A CN 105517040 A CN105517040 A CN 105517040A
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- community
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- spectral interference
- measurement
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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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
- 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
- H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
Abstract
The embodiment of the invention provides a configuration method and a related device for reducing interference to a control channel. The configuration method comprises the steps of measuring spectrum interference at all frequency bands which correspond to a first zone; and distributing a time-frequency resource for the control channel which corresponds to the first zone, wherein the frequency domain resource in the time-frequency resource comprises frequency bands with small spectrum interference. In the embodiment, the frequency domain resource distributed for the control channel comprises the frequency bands with small spectrum interference, so that interference to the control channel can be reduced.
Description
Technical field
The application relates to the communications field, particularly relates to collocation method and device.
Background technology
In Long Term Evolution (LTE) system, uplink/downlink control channel carries the control information of up-downgoing data, extremely important.
In existing LTE protocol, the resource of distributing for uplink/downlink control channel is fixing: down control channel uses (1/2/3/4) individual Symbol before each subframe of all RB, and the RB distributed for ascending control channel is in the edge of frequency band.Find in existing network, control channel is vulnerable to interference.
Summary of the invention
The object of the application is to provide collocation method and device, to reduce the interference suffered by control channel.
For achieving the above object, this application provides following scheme:
On the one hand, the embodiment of the application provides a kind of collocation method, comprising:
Measure the spectral interference of all frequency ranges corresponding to the first community;
The control channel corresponding for described first community distributes running time-frequency resource, and the frequency domain resource in described running time-frequency resource comprises the little frequency range of spectral interference.
In a possible design, described running time-frequency resource comprises at least one RB.
In a possible design, state control channel and take whole described RB.
In a possible design, described control channel takies all symbols in described RB.
In a possible design, also comprise: configure in frequency domain resource that mobile terminal in the second community distributes at the control channel corresponding for described first community and mourn in silence or low power transmissions signal; Or, configure in the frequency domain resource of distributing at the control channel corresponding for described first community from the mobile terminal close to base station in described second community and transmit; Described second community is the neighbor cell of described first community.
In a possible design, described control channel is ascending control channel; The spectral interference of all frequency ranges of described measurement comprises: issue the first measurement message to base station corresponding to described first community; Described first measures message is used to indicate base station corresponding to described first community, measures the spectral interference of all frequency ranges and feedback measurement by uplink pilot signal; Receive the measurement result of base station feedback, described measurement result comprises the information of the spectral interference characterizing all frequency ranges.
In a possible design, described control channel is down control channel; The spectral interference of all frequency ranges of described measurement comprises: issue the second measurement message to the mobile terminal in described first community; The mobile terminal that described second measurement message is used to indicate in described first community measures spectral interference by down-bound pilot frequency signal, and feedback measurement; Receive the measurement result of the mobile terminal feedback in described first community, described measurement result comprises the information characterizing spectral interference.
In a possible design, the information of described sign spectral interference is Signal to Interference plus Noise Ratio.
On the other hand, the embodiment of the present application provides a kind of configuration network element, and this configuration network element has the function realizing configuring network element behavior in said method reality.Described function can pass through hardware implementing, also can perform corresponding software simulating by hardware.Described hardware or software comprise one or more module corresponding with above-mentioned functions.This configuration network element can be the network entity in core network, such as Mobility Management Entity MME.
In a possible design, the design of configuration network element comprises measuring unit, for measuring the spectral interference of all frequency ranges corresponding to the first community; Allocation units, distribute running time-frequency resource for the control channel corresponding for described first community, the frequency domain resource in described running time-frequency resource comprises the little frequency range of spectral interference.
In the design that another is possible, the design of configuration network element comprises: processor and memory, described processor, by running the software program be stored in described memory, calling the data be stored in described memory, at least performs following steps: the spectral interference measuring all frequency ranges corresponding to the first community; The control channel corresponding for described first community distributes running time-frequency resource, and the frequency domain resource in described running time-frequency resource comprises the little frequency range of spectral interference.
Again on the one hand, the embodiment of the present application provides a kind of computer-readable storage medium, and for saving as above-mentioned configuration network element computer software instructions used, it comprises the program for performing designed by above-mentioned aspect.
In the present embodiment, the frequency domain resource of distributing for control channel comprises the little frequency range of spectral interference, can reduce control channel like this and be interfered.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
A kind of applied environment schematic diagram of the collocation method that Fig. 1 provides for the embodiment of the present application;
Fig. 2, the 3 collocation method exemplary process diagram provided for the embodiment of the present application;
The running time-frequency resource schematic diagram that Fig. 4 provides for each embodiment of the application;
The measuring process schematic diagram that Fig. 5 and 6 provides for the embodiment of the present application;
The inking device structural representation that Fig. 7 a, 7b, 7c and Fig. 8 provide for the embodiment of the present application.
Embodiment
The embodiment of the present application is for relaying configuration method and relevant apparatus, and this collocation method and inking device can be applicable to LTE system and following 5G system.
Fig. 1 gives a kind of applied environment of above-mentioned collocation method: be applied to configuration network element 101 and the base station communication of arbitrary number being similar to base station 102 (eNodeB), base station 104, meanwhile, configure network element 101 also can be similar to access terminal 202 with 204 accessing terminal of arbitrary number communicate.
Configuration network element 101 can belong to equipment of the core network, such as, can be mobile management entity (MME) or newly-increased network element.
Wherein, MME is the functions such as the network element of EPC core network control surface, primary responsibility access control, mobile management, session management and Route Selection.The major function of MME is distributed dynamically the running time-frequency resource of control channel in the embodiment of the present application.Control channel in the application can comprise ascending control channel, such as PUCCH (PhysicalUplinkControlChannel, Physical Uplink Control Channel), also down control channel can be comprised, such as PHICH (PhysicalHybridARQIndicatorChannel, physical mixed automatic re-transmission indicating channel) and PDCCH (PhysicalDownlinkControlChannel, Physical Downlink Control Channel).
ENodeB (referred to as eNB) is the wireless base station in LTE network, also be unique network element of LTE wireless access network, be responsible for all functions that air interface is relevant, such as wireless link maintenance function (keeps the wireless link with terminal room, be responsible for the protocol conversion of data wireless links and the quality supervision of IP data) simultaneously, radio resource management function (comprises foundation and the release of wireless link, the scheduling of Radio Resource and distribution etc.) and part mobile management function (comprise configurating terminal to measure, assessment terminal wireless link-quality, decision-making terminal is in the switching etc. of minizone).
Access terminal and 202 and 204 can comprise handheld device, mobile unit, wearable device, the computing equipment with radio communication function or be connected to other treatment facility of radio modem, and various forms of subscriber equipment (UserEquipment, be called for short UE), travelling carriage (Mobilestation, be called for short MS), terminal (terminal), terminal equipment (TerminalEquipment) etc.
Configuration network element can perform the control method that the embodiment of the present application provides when network planning network optimization.Wherein, network optimization is the abbreviation of " network optimization ", after referring to that communication network builds up, this communication network basis is carried out various optimization (comprising software, hardware, configuration etc.); Network planning is the abbreviation of " network planning ", refers to plan networking according to networking target, user's request, local conditions etc. before construction communication network.
Fig. 2 shows a kind of exemplary flow of the collocation method of configuration performed by network element, and this collocation method can be used for carrying out Resourse Distribute to the control channel of community, and it can at least comprise the steps:
S1:(configures network element) measure the spectral interference of all frequency ranges corresponding to the first community;
Above-mentioned first community can be the arbitrary cells belonging to configuration network element (such as MME).
Concrete, configuration network element can use at least one item in the signal noise ratio of the signal power of interference noise power, wavelength coverage and wavelength coverage (SINR) whether to be subject to spectral interference and annoyance level to characterize certain frequency range.
SINR is directly proportional to signal power, is inversely proportional to interference noise power.This paper is follow-up will set forth technical scheme for SINR.Also namely, the spectral interference of the follow-up frequency range mentioned characterizes with the SINR of this frequency range.
S3:(configures network element) be that control channel corresponding to the first community distributes running time-frequency resource.
Running time-frequency resource comprises time-domain resource and frequency domain resource.Configuration network element is that the frequency domain resource that control channel corresponding to the first community distributes comprises the little frequency range of spectral interference.
The running time-frequency resource that configuration network element distributes for control channel that the first community is corresponding by RRC information informing base station.
In other embodiments of the application, refer to Fig. 3, after step S1, before step S3, the collocation method of configuration performed by network element also can comprise the steps:
S2: by the SINR of all frequency ranges by sorting from big to small, before selecting, frequency range corresponding to N (N is not less than 1) individual SINR is as the little frequency range of spectral interference.
In the present embodiment, the frequency domain resource of distributing for control channel comprises the little frequency range of spectral interference, can reduce control channel like this and be interfered.
To introduce running time-frequency resource below, and refer to Fig. 4, LTE system carries out Resourse Distribute by distributing RB (ResourceBlock, Resource Block).Each RB is one piece of running time-frequency resource, and it comprises the time-domain resource that a time slot (time slot comprises 7 OFDM symbol) takies in time, and frequency domain comprises the resource of 12 sub-carrier occupancies.And the resource of a sub-carrier occupancy in an OFDM symbol is called RE (ResourceElement).Under normal CP pattern, 1 RB=12*7 RE.
In the present embodiment, spectral interference measurement can be carried out as a frequency range by 12 subcarriers, also namely corresponding with RB.
In other embodiments of the application, the running time-frequency resource distributed for control channel can comprise at least one RB.Such as, can be control channel and distribute RB or two RB or three RB etc.
The number of the data of Visible human plan channel bearing and the subcarrier that dynamic conditioning control channel takies in distributed RB and symbol.
Such as, on frequency domain, control channel can take all subcarriers in distributed RB, also can take the subcarrier of part.
And in time domain, control channel can take all symbols in distributed RB, also partial symbols can be taken.
Or control channel can take whole RB.
It should be noted that, with the existing method of salary distribution unlike, the existing method of salary distribution all transmits control channel on all RB, but control channel is easily disturbed.In all embodiments of the application, be control channel is concentrated on one or several RB to send, other RB send data, the total throughout reducing up-downgoing can be unlikely to like this.Compared with the existing method of salary distribution, the RB that control channel takies is fewer, but is disturbed less.
In a communications system, also can disturb between adjacent community.Therefore, in other embodiments of the application, the collocation method in above-mentioned all embodiments also can comprise the steps:
Configure in frequency domain resource that mobile terminal (user) in the second community distributes at the control channel corresponding for the first community and mourn in silence or low power transmissions signal.Second community is the neighbor cell of the first community.
Such as, network element is configured by RB
16distribute to the control channel that community A is corresponding.User then in configurable neighbor cell B can at RB
16upper maintenance is mourned in silence (also namely not sending any data).During concrete operations, RB can not be distributed for the user in the B of neighbor cell
16this resource.
Or the user in configurable neighbor cell B is at RB
16upper low power transmissions signal.Also namely, can by RB
16distribute to the user in the B of neighbor cell, but user needs low power transmissions signal.
Can arrange power threshold, lower than power threshold is low-power.
Mobile terminal can comprise handheld device, mobile unit, wearable device, the computing equipment with radio communication function or be connected to other treatment facility of radio modem, and various forms of subscriber equipment (UserEquipment, be called for short UE), travelling carriage (Mobilestation, be called for short MS), terminal (terminal), terminal equipment (TerminalEquipment) etc.
Another kind of solution is:
Configure in above-mentioned second community from frequency domain resource (the such as RB that the mobile terminal close to base station distributes at the control channel corresponding for the first community
16) on transmit.
This is because from the user close to base station compared to from the user away from base station, its signal transmission power is little, also just little to the interference of the control channel of the first community.
Configuration network element can calculate the distance of mobile terminal in the second community and base station according to uplink time delay, and then determines which mobile terminal is close to base station corresponding to the second community.By ascending to user's sequence by distance (or uplink time delay), before selection scheduling, M (M is not less than 1) individual mobile terminal (user) is from the mobile terminal close to base station.For frequency domain resource (the such as RB that this front M mobile terminal distributes at the control channel corresponding for the first community
16) on transmit.
The measurement how carrying out uplink time delay can adopt existing techniques in realizing, and therefore not to repeat here.
Above-mentioned control channel specifically can be ascending control channel or down control channel.Up-downgoing is different, and the step measuring spectral interference is not identical yet.This paper is following will make introductions all round.
Refer to Fig. 5, when above-mentioned control channel is ascending control channel, the spectral interference (above-mentioned steps S1) measuring all frequency ranges can comprise:
S501: configuration network element issues the first measurement message to base station corresponding to the first community.
Wherein, first measures message (down-run survey message) is used to indicate base station corresponding to the first community, measures the spectral interference of all frequency ranges and feedback measurement by uplink pilot signal.
S502: configuration network element receives the measurement result of base station feedback.Above-mentioned measurement result comprises the information of the spectral interference characterizing all frequency ranges.
In future, communication network may develop in flattening, and configuration network element and base station may be integrated, and therefore, in other embodiments of the application, configuration network element also directly can measure the spectral interference (SINR) of all frequency ranges by uplink pilot signal.
Refer to Fig. 6, when above-mentioned control channel is down control channel, the spectral interference (above-mentioned steps S1) measuring all frequency ranges can comprise:
S601: configuration network element issues the second measurement message to the mobile terminal in above-mentioned first community;
Above-mentioned second measures message (out-hole run message) mobile terminal be used to indicate in the first community measures spectral interference by down-bound pilot frequency signal, and feedback measurement.
The minimum particle size measured can be a RB.
The frequency range that configuration network element can indicate a mobile terminal being arranged in the first community corresponding to one or more RB is measured, also the multiple mobile terminals being arranged in the first community can be indicated to measure different frequency ranges, such as, the frequency range that indicating mobile terminal A is corresponding to 1-10RB is measured, the frequency range that indicating mobile terminal is corresponding to 11-15RB is measured, etc.
Accordingly, the measurement result of the frequency range measured by mobile terminal feedback.
S602: configuration network element receives the measurement result of the mobile terminal feedback in the first community, and measurement result comprises the information characterizing spectral interference.
Below by introduction configuration network element.
Fig. 7 a shows a kind of example arrangement of configuration network element 700, comprising:
Measuring unit 701, for measuring the spectral interference of all frequency ranges corresponding to the first community;
Allocation units 702, distribute running time-frequency resource for the control channel corresponding for above-mentioned first community, the frequency domain resource in above-mentioned running time-frequency resource comprises the little frequency range of spectral interference.
Detail refers to foregoing description herein, and therefore not to repeat here.
When above-mentioned control channel is ascending control channel, measure all frequency ranges spectral interference in, above-mentioned measuring unit 701 for:
Issue the first measurement message to base station corresponding to the first community; Wherein, first measures message is used to indicate base station corresponding to the first community, measures the spectral interference of all frequency ranges and feedback measurement by uplink pilot signal;
Receive the measurement result of base station feedback.Wherein, measurement result comprises the information of the spectral interference characterizing all frequency ranges.
When above-mentioned control channel is down control channel, measure all frequency ranges spectral interference in, above-mentioned measuring unit 701 for:
Issue the second measurement message to the mobile terminal in the first community;
Wherein, the mobile terminal that the second measurement message is used to indicate in the first community measures spectral interference by down-bound pilot frequency signal, and feedback measurement;
Receive the measurement result of the mobile terminal feedback in the first community, measurement result comprises the information characterizing spectral interference.
Detail refers to foregoing description herein, and therefore not to repeat here.
In other embodiments of the application, refer to Fig. 7 b, configuration network element 700 also can comprise sequencing unit 703, for by the SINR of all frequency ranges by sorting from big to small, before selecting, frequency range corresponding to N (N is not less than 1) individual SINR is as the little frequency range of spectral interference.
Detail refers to foregoing description herein, and therefore not to repeat here.
In other embodiments of the application, refer to Fig. 7 c, configuration network element 700 also can comprise dispensing unit 704, for: configure in frequency domain resource that all mobile terminals in the second community distribute at the control channel corresponding for the first community and mourn in silence or low power transmissions signal.
Or,
Dispensing unit 704 for, configure in above-mentioned second community and transmit in above-mentioned first community frequency domain resource from the mobile terminal close to base station.
Detail refers to foregoing description herein, and therefore not to repeat here.
Fig. 8 shows a kind of general-purpose computing system structure of above-mentioned configuration network element 700.
Above computer system can comprise bus, processor 801, memory 802, communication interface 803, input equipment 804 and output equipment 805.Processor 801, memory 802, communication interface 803, input equipment 804 and output equipment 805 are interconnected by bus.Wherein:
Bus can comprise a path, between computer system all parts, transmit information.
Processor 801 can be general processor, such as general central processor (CPU), network processing unit (NetworkProcessor, be called for short NP), microprocessor etc., also can be ASIC(Application Specific Integrated Circuit) (application-specificintegratedcircuit, ASIC), or one or more for control the application's scheme processes perform integrated circuit.Can also be digital signal processor (DSP), application-specific integrated circuit (ASIC) (ASIC), ready-made programmable gate array (FPGA) or other programmable logic devices, discrete gate or transistor logic, discrete hardware components.
Preserve the program performing technical scheme in memory 802, operating system and other application programs can also be preserved.Particularly, program can comprise program code, and program code comprises computer-managed instruction.More specifically, memory 802 can be read-only memory (read-onlymemory, ROM) static storage device of the other types of static information and instruction, random access memory (randomaccessmemory, RAM), the dynamic memory that can store the other types of information and instruction, magnetic disc store etc. can, be stored.
Input equipment 804 can comprise the data of reception user input and the device of information, such as keyboard, mouse, camera, scanner, light pen, speech input device, touch-screen etc.
Output equipment 805 can comprise permission output information to the device of user, such as display screen, printer, loud speaker etc.
Communication interface 803 can comprise the device using any transceiver one class, so as with other equipment or communication, as Ethernet, wireless access network (RAN), WLAN (wireless local area network) (WLAN) etc.
The program deposited in processor 801 execute store 802, can be used for the process that execution the above embodiments of the present application are undertaken by MME or base station.Such as, for measure all frequency ranges corresponding to the first community spectral interference, be that control channel corresponding to the first community distributes running time-frequency resource (frequency domain resource in running time-frequency resource comprises the little frequency range of spectral interference) etc., and, other processes of the technology described by the embodiment of the present application.Exemplarily, processor 801 is for supporting that MME performs the step S1 in Fig. 2 and the process 601 and 60 in the step S1-S3 in S3, Fig. 3, the step 501 in Fig. 5 and 502, Fig. 6.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
Apply specific case herein to set forth the principle of the application and execution mode, the explanation of above embodiment is just for helping method and the core concept thereof of understanding the application; Meanwhile, for one of ordinary skill in the art, according to the thought of the application, all will change in specific embodiments and applications.To sum up above-mentioned, this description should not be construed as the restriction to the application.
Claims (10)
1. a collocation method, is characterized in that, comprising:
Measure the spectral interference of all frequency ranges corresponding to the first community;
The control channel corresponding for described first community distributes running time-frequency resource, and the frequency domain resource in described running time-frequency resource comprises the little frequency range of spectral interference.
2. the method for claim 1, is characterized in that, described running time-frequency resource comprises at least one RB.
3. method as claimed in claim 2, it is characterized in that, described control channel takes whole described RB.
4. method as claimed in claim 2, it is characterized in that, described control channel takies all symbols in described RB.
5. the method for claim 1, is characterized in that, also comprises:
Configure in frequency domain resource that mobile terminal in the second community distributes at the control channel corresponding for described first community and mourn in silence or low power transmissions signal; Or,
Configure in the frequency domain resource of distributing at the control channel corresponding for described first community from the mobile terminal close to base station in described second community and transmit;
Described second community is the neighbor cell of described first community.
6. the method for claim 1, is characterized in that,
Described control channel is ascending control channel;
The spectral interference of all frequency ranges of described measurement comprises:
Issue the first measurement message to base station corresponding to described first community; Described first measures message is used to indicate base station corresponding to described first community, measures the spectral interference of all frequency ranges and feedback measurement by uplink pilot signal;
Receive the measurement result of base station feedback, described measurement result comprises the information of the spectral interference characterizing all frequency ranges.
7. the method for claim 1, is characterized in that,
Described control channel is down control channel;
The spectral interference of all frequency ranges of described measurement comprises:
Issue the second measurement message to the mobile terminal in described first community; The mobile terminal that described second measurement message is used to indicate in described first community measures spectral interference by down-bound pilot frequency signal, and feedback measurement;
Receive the measurement result of the mobile terminal feedback in described first community, described measurement result comprises the information characterizing spectral interference.
8. method as claimed in claims 6 or 7, it is characterized in that, the information of described sign spectral interference is Signal to Interference plus Noise Ratio.
9. configure a network element, it is characterized in that, comprising:
Measuring unit, for measuring the spectral interference of all frequency ranges corresponding to the first community;
Allocation units, distribute running time-frequency resource for the control channel corresponding for described first community, the frequency domain resource in described running time-frequency resource comprises the little frequency range of spectral interference.
10. configure a network element, it is characterized in that, comprising: processor and memory, described processor, by running the software program be stored in described memory, calling the data be stored in described memory, at least performs following steps:
Measure the spectral interference of all frequency ranges corresponding to the first community;
The control channel corresponding for described first community distributes running time-frequency resource, and the frequency domain resource in described running time-frequency resource comprises the little frequency range of spectral interference.
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| CN107347217A (en) * | 2016-05-06 | 2017-11-14 | 中国移动通信有限公司研究院 | A kind of network resource allocation method, base station and Internet of Things base station |
| CN112649790A (en) * | 2019-10-11 | 2021-04-13 | 华为技术有限公司 | Transmission control method and related equipment |
| CN113296058A (en) * | 2020-02-24 | 2021-08-24 | 华为技术有限公司 | Target detection method and radar device |
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| CN112649790A (en) * | 2019-10-11 | 2021-04-13 | 华为技术有限公司 | Transmission control method and related equipment |
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