CN103825670B - Work narrowband determines method, terminal device and base station - Google Patents

Work narrowband determines method, terminal device and base station Download PDF

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Publication number
CN103825670B
CN103825670B CN201210464418.9A CN201210464418A CN103825670B CN 103825670 B CN103825670 B CN 103825670B CN 201210464418 A CN201210464418 A CN 201210464418A CN 103825670 B CN103825670 B CN 103825670B
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narrowband
cqi
base station
terminal device
information
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CN103825670A (en
Inventor
张向东
张兴炜
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Honor Device Co Ltd
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Huawei Technologies Co Ltd
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Priority to CN201210464418.9A priority Critical patent/CN103825670B/en
Priority to PCT/CN2013/079359 priority patent/WO2014075458A1/en
Publication of CN103825670A publication Critical patent/CN103825670A/en
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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
    • H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
    • 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

Abstract

The embodiment of the present invention provides a kind of work narrowband and determines method, terminal device and base station.Method includes：Terminal device before accessing to a network, receives the narrow band information that base station is sent, and narrow band information carries the position for each narrowband that base station is marked off from system bandwidth；Terminal device measures on each narrowband according to the position of each narrowband, obtains the metrical information of each narrowband；Terminal device sends narrowband indication information according to the metrical information of each narrowband to base station in the random access procedure, so that base station determines the narrowband that terminal device uses according to narrowband indication information.Technical solution of the present invention solves the problems, such as the position for the narrowband that definite narrowband terminal is operated in.

Description

Work narrowband determines method, terminal device and base station
Technical field
The present invention relates to the communication technologys more particularly to a kind of work narrowband to determine method, terminal device and base station.
Background technology
Machine To Machine（Machine to Machine, referred to as M2M）Communication refers to should not be any necessary artificial dry Communication between two or more pre- entities.Due to global system for mobile communications（Global System for Mobile Communications, referred to as GSM）And general packet radio service（General Packet Radio Service, referred to as For GPRS）The good covering of network and the low price of GSM/GPRS terminals so that most of M2M application providers tend to use GSM/GPRS terminals provide M2M services.With Long Term Evolution（Long Term Evolution, referred to as LTE）The big rule of network Mould is disposed, and operator wishes to reduce the number of safeguarded access net, such as no longer provides the service of GSM/GRPS networks, to subtract The maintenance cost of few whole network.Therefore, it is necessary to realize that M2M applies moving from GSM/GRPS network to LTE network.For reality Existing M2M applies moving from GSM/GRPS network to LTE network, it is desirable to provide cost can be compared with GSM/GPRS terminals even The lower terminal based on LTE network.
The prior art gives the method for several reduction LTE terminal costs, such as reduces the work band that LTE terminal is supported Width reduces the peak rate of LTE terminal, uses half frequency division multiplexing（Half-FDD）, using single reception chain, simplify downlink transfer Uplink transmission power of pattern and reduction LTE terminal etc..Wherein, this side of bandwidth of operation supported in reduction LTE terminal In method, base station carries out access for LTE terminal and data passes by marking off one or more narrowbands in whole system bandwidth Defeated, LTE terminal in such a scenario can be described as narrowband terminal.Following behavior example, narrowband terminal can only one division compared with Narrow frequency band, which is inscribed, accepts row control and data.So, in practical applications, it is necessary to be determined in multiple narrowbands of system division The position for the work narrowband that narrowband terminal uses, that is, determine which specifically used narrowband of narrowband terminal.
The content of the invention
The embodiment of the present invention provides a kind of work narrowband and determines method, terminal device and base station, for determining narrowband terminal The position of the narrowband of work.
First aspect provides a kind of work narrowband and determines method, including：
Terminal device before accessing to a network, receives the narrow band information that the base station in the network is sent, narrowband letter Breath carries the position for each narrowband that the base station is marked off from system bandwidth；
The terminal device measures on each narrowband according to the position of each narrowband, obtains the survey of each narrowband Measure information；
The terminal device sends narrowband to the base station in the random access procedure according to the metrical information of each narrowband Indication information, so that the base station determines the work narrowband that the terminal device uses according to the narrowband indication information.
In the first possible realization method of first aspect, the terminal device before accessing to a network, receives institute Stating the narrow band information that the base station in network is sent includes：The terminal device receives the base station before the network is accessed The high-level signaling of broadcast, the high-level signaling include the narrow band information.
With reference to first aspect or the first possible realization method of first aspect, second in first aspect are possible In realization method, the metrical information of each narrowband includes the channel quality indicator (CQI) and/or pre-coding matrix instruction of each narrowband PMI information.
Second of possible realization method with reference to first aspect, in the third possible realization method of first aspect In, the terminal device sends narrowband instruction to the base station in the random access procedure according to the metrical information of each narrowband Information includes：The terminal device sends sequence code to the base station, by the index of the sequence code, sends the sequence code The frequency domain resource that the time-domain resource or the transmission sequence code used uses indicates described on default initialization narrowband Narrowband indication information, the initialization narrowband are a narrowbands in all narrowbands.
Second of possible realization method with reference to first aspect, in the 4th kind of possible realization method of first aspect In, the terminal device sends narrowband instruction to the base station in the random access procedure according to the metrical information of each narrowband Information includes：The terminal device sends sequence code to the base station；The terminal device receives the base station and is directed to the sequence The random access response RAR that row code returns；The terminal device sends message 3 to the base station, and the message 3 carries described narrow Band indication information.
With reference to first aspect or the third of second of possible realization method of first aspect or first aspect are possible 4th kind of possible realization method of realization method or first aspect, in the 5th kind of possible realization method of first aspect, The method further includes：The terminal device is sent and the CQI feedback according to default CQI feedback pattern to the base station The corresponding narrowband CQI of pattern.
The 5th kind of possible realization method with reference to first aspect, in the 6th kind of possible realization method of first aspect In, the terminal device is sent corresponding narrow with the CQI feedback pattern according to default CQI feedback pattern to the base station Band CQI includes：
If the CQI feedback pattern is the narrowband CQI patterns of aperiodic user selection, the terminal device is according to being The wide mapping relations with subband number of regiment commander, calculate the first CQI of M selected sub-band averaging quality of reaction, and according to described the The one CQI and CQI of default standard narrowband, obtains the first differential CQI, first differential CQI is sent to the base station, In, the standard narrowband is one in all narrowbands；
If narrowband CQI pattern of the CQI feedback pattern for aperiodic high-rise configuration, the terminal device is according to being The wide mapping relations with subband number of regiment commander calculate the 2nd CQI of each subband, and according to the 2nd CQI and default mark The CQI of quasi- narrowband obtains the second differential CQI, second differential CQI is sent to the base station；
If the narrowband CQI patterns that the CQI feedback pattern selects for the user in cycle, the terminal device is according to system Bandwidth and subband number and the mapping relations of portions of bandwidth calculate the 3rd CQI for reacting and subband being selected in each portions of bandwidth, and 3rd CQI is sent to the base station；
If the CQI feedback pattern is aperiodic broadband CQI patterns or the broadband CQI patterns in cycle, the terminal The CQI of the standard narrowband is sent to the base station by equipment.
Second aspect provides a kind of work narrowband and determines method, including：
Base station sends narrow band information, institute before terminal device accesses network where the base station, to the terminal device The position that narrow band information carries each narrowband that the base station is marked off from system bandwidth is stated, so that the terminal device obtains Obtain the metrical information of each narrowband；
The base station receives what the terminal device was sent in the random access procedure according to the metrical information of each narrowband Narrowband indication information；
The base station determines the work narrowband that the terminal device uses according to the narrowband indication information.
In the first possible realization method of second aspect, the base station is accessed in terminal device where the base station Before network, sending narrow band information to the terminal device includes：The base station the terminal device access the network it Before, to the end-point device broadcast high-level signaling, the high-level signaling includes the narrow band information.
With reference to first aspect or the first possible realization method of first aspect, second in first aspect are possible In realization method, the metrical information of each narrowband includes the channel quality indicator (CQI) and/or pre-coding matrix instruction of each narrowband PMI information.
With reference to second of possible realization method of second aspect, in the third possible realization method of second aspect In, the base station receives the terminal device and is referred to according to the narrowband that the metrical information of each narrowband is sent in the random access procedure Show that information includes：The base station receives the sequence code that the terminal device is sent, by described in the index of the sequence code, transmission The time-domain resource or send the default initialization narrowband of frequency domain resource acquisition that the sequence code uses that sequence code uses The narrowband indication information, the initialization narrowband are a narrowbands in all narrowbands.
With reference to second of possible realization method of second aspect, in the 4th kind of possible realization method of second aspect In, the base station receives the terminal device and is referred to according to the narrowband that the metrical information of each narrowband is sent in the random access procedure Show that information includes：The base station receives the sequence code that the terminal device is sent；The base station sends pin to the terminal device To the random access response RAR of the sequence code；The base station receives the message 3 that the terminal device is sent, and the message 3 is taken With the narrowband indication information.
Second with reference to the possible realization method of the first of second aspect or second aspect or second aspect is possible 4th kind of possible realization method of the possible realization method of the third of realization method or second aspect or second aspect, In 5th kind of possible realization method of two aspects, the method further includes：The base station receives what the terminal device was sent Narrowband CQI corresponding with default CQI feedback pattern.
With reference to the 5th kind of possible realization method of second aspect, in the 6th kind of possible realization method of second aspect In, the base station, which receives the narrowband CQI corresponding with default CQI feedback pattern that the terminal device is sent, to be included：
If the CQI feedback pattern is the narrowband CQI patterns of aperiodic user selection, the base station receives the end The first differential CQI that end equipment is sent, wherein, the terminal device is according to system bandwidth and the mapping relations of subband number, meter The first CQI of M selected sub-band averaging quality of reaction is calculated, and according to the first CQI and the CQI of default standard narrowband, obtains institute The first differential CQI is stated, the standard narrowband is one in all narrowbands；
If the CQI feedback pattern is the narrowband CQI patterns of aperiodic high-rise configuration, the base station receives the end The second differential CQI that end equipment is sent, wherein, the terminal device is according to system bandwidth and the mapping relations of subband number, meter The 2nd CQI of each subband is calculated, and according to the 2nd CQI and the CQI of default standard narrowband, obtains second differential CQI；
If the narrowband CQI patterns that the CQI feedback pattern selects for the user in cycle, the base station receive the terminal The 3rd CQI that equipment is sent, wherein, the terminal device is closed according to the mapping of system bandwidth and subband number and portions of bandwidth System calculates the 3rd CQI for reacting and subband being selected in each portions of bandwidth；
If the CQI feedback pattern is aperiodic broadband CQI patterns or the broadband CQI patterns in cycle, the base station Receive the CQI for the standard narrowband that the terminal device is sent.
The third aspect provides a kind of terminal device, including：
Receiving module, for before terminal equipment access network, receiving the narrowband letter of the transmission of the base station in the network Breath, the narrow band information carry the position for each narrowband that the base station is marked off from system bandwidth；
Measurement module for the position according to each narrowband, measures on each narrowband, obtains the survey of each narrowband Measure information；
Sending module for the metrical information according to each narrowband, is sent narrow to the base station in the random access procedure Band indication information, so that the base station determines the work narrowband that the terminal device uses according to the narrowband indication information.
In the first possible realization method of the third aspect, the receiving module is specifically used in the terminal device It accesses before the network, receives the high-level signaling of the base station broadcast, the high-level signaling includes the narrow band information.
With reference to the possible realization method of the first of the third aspect or the third aspect, second in the third aspect is possible In realization method, the metrical information of each narrowband includes the channel quality indicator (CQI) and/or pre-coding matrix instruction of each narrowband PMI information.
With reference to second of possible realization method of the third aspect, in the third possible realization method of the third aspect In, the sending module is specifically used for sending sequence code to the base station, by the index of the sequence code, sends the sequence The time-domain resource or send the described of the default initialization narrowband of frequency domain resource instruction that the sequence code uses that code uses Narrowband indication information, the initialization narrowband are a narrowbands in all narrowbands.
With reference to second of possible realization method of the third aspect, in the 4th kind of possible realization method of the third aspect In, the receiving module is additionally operable to receive the random access response RAR that the base station is directed to sequence code return；The sending module Specifically for sending the sequence code to the base station, and the rear to the base station of the RAR is received in the receiving module Message 3 is sent, the message 3 carries the narrowband indication information.
Second with reference to the possible realization method of the first of the third aspect or the third aspect or the third aspect is possible 4th kind of possible realization method of the possible realization method of the third of realization method or the third aspect or the third aspect, In 5th kind of possible realization method of three aspects, the sending module is additionally operable to according to default CQI feedback pattern, to described Base station sends narrowband CQI corresponding with the CQI feedback pattern.
With reference to the 5th kind of possible realization method of the third aspect, in the 6th kind of possible realization method of the third aspect In, the sending module is used for according to default CQI feedback pattern, is sent to the base station corresponding with the CQI feedback pattern Narrowband CQI include：
The sending module be specifically used for aperiodic user selection narrowband CQI patterns when, according to system bandwidth with The mapping relations of subband number calculate the first CQI of M selected sub-band averaging quality of reaction, and according to the first CQI and in advance If standard narrowband CQI, obtain the first differential CQI, first differential CQI is sent to the base station, wherein, the mark Quasi- narrowband is one in all narrowbands, wherein, the standard narrowband is one in all narrowbands；Or
The sending module is specifically used for the narrowband CQI patterns for aperiodic high-rise configuration in the CQI feedback pattern When, according to the mapping relations of system bandwidth and subband number, calculate the 2nd CQI of each subband, and according to the 2nd CQI with The CQI of default standard narrowband obtains the second differential CQI, second differential CQI is sent to the base station；Or
The sending module is specifically used in the narrowband CQI patterns that the CQI feedback pattern selects for the user in cycle, According to system bandwidth and subband number and the mapping relations of portions of bandwidth, calculate and react subband is selected in each portions of bandwidth the Three CQI, and the 3rd CQI is sent to the base station；Or
It is aperiodic broadband CQI patterns or the width in cycle that the sending module, which is specifically used in the CQI feedback pattern, During band CQI patterns, the CQI of the standard narrowband is sent to the base station.
Fourth aspect provides a kind of base station, including：
Sending module, for before terminal device accesses network where the base station, being sent to the terminal device narrow Information, the narrow band information carries the position for each narrowband that the base station is marked off from system bandwidth, so that described Terminal device obtains the metrical information of each narrowband；
Receiving module is sent out in the random access procedure for receiving the terminal device according to the metrical information of each narrowband The narrowband indication information sent；
Determining module, for according to the narrowband indication information, determining the work narrowband that the terminal device uses.
In the first possible realization method of fourth aspect, the sending module is specifically used in the terminal device It accesses before the network, to the end-point device broadcast high-level signaling, the high-level signaling includes the narrow band information.
With reference to the possible realization method of the first of fourth aspect or fourth aspect, second in fourth aspect is possible In realization method, the metrical information of each narrowband includes the channel quality indicator (CQI) and/or pre-coding matrix instruction of each narrowband PMI information.
With reference to second of possible realization method of fourth aspect, in the third possible realization method of fourth aspect In, the receiving module is specifically used for receiving the sequence code that the terminal device is sent, and by the index of the sequence code, sends It is narrow that the frequency domain resource that the time-domain resource or the transmission sequence code that the sequence code uses use obtains default initialization The narrowband indication information of band, the initialization narrowband are a narrowbands in all narrowbands.
With reference to second of possible realization method of fourth aspect, in the 4th kind of possible realization method of fourth aspect In, the receiving module is specifically used for receiving the sequence code that the terminal device is sent, and in the sending module to the end After end equipment returns to random access response RAR for the sequence code, the message 3 that the terminal device is sent is received, it is described Message 3 carries the narrowband indication information；The sending module is additionally operable to send for the sequence code to the terminal device The RAR.
Second with reference to the possible realization method of the first of fourth aspect or fourth aspect or fourth aspect is possible 4th kind of possible realization method of the possible realization method of the third of realization method or fourth aspect or fourth aspect, In 5th kind of possible realization method of four aspects, the receiving module be additionally operable to receive the terminal device sends with it is default The corresponding narrowband CQI of CQI feedback pattern.
With reference to the 5th kind of possible realization method of fourth aspect, in the 6th kind of possible realization method of fourth aspect In, the receiving module is used to receive the narrowband CQI bags corresponding with default CQI feedback pattern that the terminal device is sent It includes：
The receiving module is specifically used in the narrowband CQI patterns that the CQI feedback pattern is aperiodic user selection When, the first differential CQI that the terminal device is sent is received, wherein, the terminal device is according to system bandwidth and subband number Mapping relations, calculate the first CQI of reaction M selected sub-band averaging quality, and according to the first CQI and default standard narrowband CQI, obtain first differential CQI, the standard narrowband is one in all narrowbands；Or
The receiving module is specifically used for the narrowband CQI patterns for aperiodic high-rise configuration in the CQI feedback pattern When, the second differential CQI that the terminal device is sent is received, wherein, the terminal device is according to system bandwidth and subband number Mapping relations, the 2nd CQI of each subband is calculated, and according to the 2nd CQI and the CQI of default standard narrowband, described in acquisition Second differential CQI；Or
The receiving module is specifically used in the narrowband CQI patterns that the CQI feedback pattern selects for the user in cycle, The 3rd CQI that the terminal device is sent is received, wherein, the terminal device is according to system bandwidth and subband number and bandwidth portion The mapping relations divided calculate the 3rd CQI for reacting and subband being selected in each portions of bandwidth；Or
It is aperiodic broadband CQI patterns or the width in cycle that the receiving module, which is specifically used in the CQI feedback pattern, During band CQI patterns, the CQI for the standard narrowband that the terminal device is sent is received.
Work narrowband provided in an embodiment of the present invention determines method, terminal device and base station, and base station will be from system bandwidth The position of each narrowband marked off, and terminal device is measured on each narrowband, obtained according to the position of each narrowband The metrical information of each narrowband then according to the metrical information of each narrowband, sends narrowband indication information so that base station to base station According to the narrowband, indication information determines the work narrowband that terminal device uses, that is, determines the position for the work narrowband that terminal device uses It puts, solves the problems, such as the position of definite terminal device work narrowband.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the flow chart that a kind of work narrowband provided in an embodiment of the present invention determines method；
Fig. 2 is the schematic diagram provided in an embodiment of the present invention that narrowband is divided in system bandwidth；
Fig. 3 is the flow chart that another narrowband that works provided in an embodiment of the present invention determines method；
Fig. 4 is a kind of structure diagram of terminal device provided in an embodiment of the present invention；
Fig. 5 is the structure diagram of another terminal device provided in an embodiment of the present invention；
Fig. 6 is a kind of structure diagram of base station provided in an embodiment of the present invention；
Fig. 7 is the structure diagram of another base station provided in an embodiment of the present invention.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is Part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art All other embodiments obtained without creative efforts belong to the scope of protection of the invention.
Fig. 1 is the flow chart that a kind of work narrowband provided in an embodiment of the present invention determines method.As shown in Figure 1, this implementation The method of example includes：
Step 101, terminal device before accessing to a network, receive the narrow band information that the base station in network is sent, described narrow Information carries the position for each narrowband that base station is marked off from system bandwidth.
Step 102, terminal device measure on each narrowband according to the position of each narrowband, obtain each narrowband Metrical information.
Step 103, terminal device send narrowband to base station in the random access procedure according to the metrical information of each narrowband Indication information, so that base station determines the work narrowband that terminal device uses according to the narrowband indication information.
In the present embodiment, the terminal device refers to the terminal device in LTE system.In order to meet as M2M is applied The demand of the various costs of implementation for needing to reduce the terminal devices based on LTE such as move from GSM or GPRS network to LTE network, The present embodiment reduces the cost of implementation of terminal device by reducing the bandwidth of operation that terminal device is supported.Reduce terminal device The bandwidth of operation supported seeks to provide the support for narrowband terminal in existing broadband network system.In order to Narrowband terminal is supported in broadband system, base station needs to mark off one or more narrowbands in whole system bandwidth, for narrowband Terminal is accessed and data transmission.Base station marks off a kind of situation of narrowband as shown in Fig. 2, entire in whole system bandwidth The longitudinal axis represents system bandwidth, and transverse axis represents the time, the narrowband that the rectangular strip expression with oblique line marks off.
In practical applications, since using the technology for reducing the reduction terminal device cost such as bandwidth of operation, system can be made Downlink covering is lost；Meanwhile for the terminal device in the particular surroundings such as basement, the transmission loss of uplink and downlink It is all larger, such as the transmission loss for considering 20dB is generally required, the uplink and downlink covering of system is all lost.For these scenes For, if terminal device is narrowband terminal, then, clearly know narrowband used in terminal device, it can be corresponding narrow It takes using coverage enhancement technology, so as to increase coverage of the system for above-mentioned terminal device.Accordingly, it is determined that terminal device It is urgent that the narrowband used just becomes comparison.
In the present embodiment, in order to determine terminal device specific works on which narrowband, base station is drawn in system bandwidth After separating one or more narrowbands, before terminal device network where access base station, the position of each narrowband is passed through Narrow band information is sent to terminal device.In this way, after terminal device receives the narrow band information of base station transmission, it is possible to know base station The position of each narrowband marked off out of system bandwidth can also further determine that base station marks off narrow out of system bandwidth The information such as the number of band.Wherein, the position of each narrowband can be represented with the frequency range of each narrowband.In addition, base station can also Narrowband to mark off is identified, and the position of each narrowband is then represented using the mark of each narrowband.
After terminal device knows the position of each narrowband, according to the position of each narrowband, surveyed on each narrowband Amount, so as to obtain the metrical information of each narrowband.The metrical information of narrowband refers to that characterize terminal device is led on the narrowband The performance indicator of signal quality during letter or desired precoding indication information, such as the metrical information of narrowband can include The channel quality instruction of narrowband（Channel QualityIndicator, referred to as CQI）And/or pre-coding matrix instruction （Precoding Matrix Indicator, referred to as PMI）Information etc..
Then, terminal device generates narrowband indication information according to the metrical information of each narrowband, and in random access procedure It is middle that the narrowband indication information is sent to base station so that base station determines what terminal device used according to the narrowband indication information Work narrowband.Since terminal device can report information without corresponding passage to base station before accessing to a network, this reality The terminal device for applying example reports the narrowband indication information using some message in random access procedure or resource to base station.
In the present embodiment, base station is by the position of each narrowband marked off from system bandwidth, and terminal device according to The position of each narrowband, measures on each narrowband, obtains the metrical information of each narrowband, then according to the measurement of narrowband Information sends narrowband indication information so that base station determines end according to the narrowband indication information to base station in the random access procedure The work narrowband that end equipment uses determines the position for the work narrowband that terminal device uses, solves definite terminal device work The problem of position of the narrowband of work.
In an optional embodiment, a kind of embodiment of step 101 includes：Terminal device before accessing to a network, The high-level signaling of base station broadcast is received, the high-level signaling includes above-mentioned narrow band information.
Optionally, before accessing to a network, receive the high-level signaling of base station broadcast includes terminal device：Terminal device is connecing Before entering network, the Physical Broadcast Channel of base station broadcast is received（Physical BroadcastChannel, referred to as PBCH）, That is the PBCH carries the position for each narrowband that base station is marked off from system bandwidth.Alternatively, terminal device is in access network Before, receiving the high-level signaling of base station broadcast includes：Before accessing to a network, the system for receiving base station broadcast disappears terminal device Breath, i.e., the system message carries the position for each narrowband that base station is marked off from system bandwidth.
In an optional embodiment, a kind of embodiment of step 103 includes：Terminal device sends sequence to base station Code, what the time-domain resource or the transmission sequence code used by the index of the sequence code, the transmission sequence code used Frequency domain resource indicates the narrowband indication information of default initialization narrowband.Specifically, terminal device appoints in advance with base station A fixed initialization narrowband, terminal device, to base station initiating random access procedure, and are passed through by above-mentioned initialization narrowband Random access resource in random access procedure, such as sequence code, time-domain resource or frequency domain resource carry the narrowband instruction letter Breath.For example, terminal device can be used described in the index of sequence code, the ID for the time-domain resource for sending the sequence code or transmission The random access resources such as the ID of the frequency domain resource of sequence code indicate the narrowband indication information.
Optionally, the information content being carried by based on above-mentioned random access resource is limited, refers to using random access resource In the embodiment for showing the narrowband indication information, terminal device can make an appointment an initialization narrowband with base station, narrow Can be the information of terminal device PMI that operation prestige base station uses on the initialization narrowband with indication information, it should PMI information is the PMI information of initialization narrowband, and the initialization narrowband is the institute that base station is marked off from system bandwidth There is a narrowband in narrowband.That is, terminal device can use the index of sequence code, send the time domain of the sequence code The random access resources such as the ID of the resource or ID of frequency domain resource that sends the sequence code show that instruction terminal equipment works The PMI information of initialization narrowband at the initialization narrowband（I.e. terminal device is operated in period on initialization narrowband The PMI information that base station is hoped to use）.
In this embodiment, after base station receives the sequence code of terminal device transmission, can by the index of sequence code, It sends the time-domain resource of sequence code or sends the frequency domain resource of sequence code, obtain the terminal device that terminal device is sent and be operated in institute The PMI information that base station uses it is expected when stating on initialization narrowband, is then believed on the initialization narrowband using the PMI Breath communicates with terminal.
In an optional embodiment, the another embodiment of step 103 includes：Terminal device sends sequence to base station Code；Terminal device receives the random access response that base station is returned according to the sequence code（RAR）；Terminal device sends message to base station 3, the message 3 carries narrowband indication information.An initial specialized narrowband specifically, terminal device and base station are made an appointment, Terminal device, to base station initiating random access procedure, and passes through the message 3 in random access procedure by the initial specialized narrowband Indicate the narrowband indication information.
Optionally, the information content being carried by due to message 3 is larger, so carrying narrowband indication information with message 3 In embodiment, the narrowband indication information can include：The position of at least one narrowband and at least one in all narrowbands The CQI and/or PMI of each narrowband in narrowband.For example, for narrowband all in whole system bandwidth, terminal device can be by Be ranked up according to the CQI and/or PMI of each narrowband, then by position from message 3 to base station feedback all or part narrowband with And the CQI and/or PMI of all or part of narrowband fed back.
In this embodiment, after base station receives the message 3 of terminal device transmission, terminal device is obtained from message 3 The position of all or part of narrowband of feedback and the CQI and/or PMI of all or part of narrowband fed back, then according to end The CQI and/or PMI of the narrowband of end equipment feedback, from the narrowband that terminal device is fed back selecting one as terminal device makes Work narrowband.Further, behind the work narrowband used in definite terminal device, base station is needed identified terminal device The position of used work narrowband is sent to terminal device, so that terminal device knows used work narrowband, subsequently makes It is communicated with the work narrowband.
Illustrate herein, the information content being carried by based on message 3 is larger, so terminal device can be by the use of CQI as each The metrical information of narrowband can also can also simultaneously use CQI and PMI as every by the use of PMI as the metrical information of each narrowband The metrical information of a narrowband.
Optionally, in the embodiment of narrowband indication information is carried with message 3, the narrowband indication information can also be The CQI and/or PMI for the narrowband that the position for the narrowband that premises equipment requests are operated in and the premises equipment requests are operated in.
From above-mentioned as it can be seen that terminal device is by base station initiating random access procedure, using in random access procedure with Narrowband indication information is sent to base station by machine access-in resource or message 3 so that and base station can determine the narrowband that terminal device uses, With advantage that is flexible, timely, being easily achieved.Here timely advantage refers to that can complete terminal before completing to access sets Standby work narrowband determines, and without measuring, reporting again after being completed when access with narrowband selection etc..
In existing CQI feedback mechanism, requirement terminal device feedback in base station is broadband CQI or the difference based on broadband CQI Divide CQI, after terminal device is operated in narrowband, terminal device is to have no idea to obtain broadband CQI or the difference based on broadband CQI CQI's.It another is asked to what base station feedback CQI was that needs solve that is, the terminal device for being operated in narrowband is enable to succeed Topic.Based on this, work narrowband provided in this embodiment determines that method further includes：Terminal device according to default CQI feedback pattern, Narrowband CQI corresponding with the CQI feedback pattern is sent to base station, so as to solve to be operated in the terminal device of narrowband to base station feedback The problem of CQI.
Specifically, in order to be adapted with existing CQI feedback mechanism, the CQI feedback pattern of the present embodiment also includes：It is aperiodic User selection narrowband CQI patterns（UE Selected subband CQI mode）, aperiodic high-rise configuration narrowband CQI patterns（Higher layer-configured subband mode）With aperiodic broadband CQI patterns and cycle The narrowband CQI patterns and the broadband CQI patterns in cycle of user's selection.In order to be adapted with existing CQI feedback mechanism as far as possible, at this In embodiment, terminal device arranges a standard narrowband from all narrowbands in advance with base station, is replaced with the standard narrowband existing So-called broadband in CQI feedback mechanism.For example, terminal device and base station can be maximum or minimum predetermined ID narrowband as standard Narrowband.In another example base station can determine standard narrowband, and pass through high-level signaling, such as system message or configured by CQI Standard narrowband is allocated to terminal device by signaling.In another example terminal device oneself can select a narrowband as standard narrowband, And definite standard narrowband is reported to base station, such as base station etc. can be reported to CQI feedback.
Based on determining for standard narrowband, above-mentioned terminal device according to default CQI feedback pattern, to base station send with it is described The corresponding narrowband CQI of CQI feedback pattern includes：
If CQI feedback pattern is the narrowband CQI patterns of aperiodic user selection, the terminal device is according to system band The mapping relations of width and subband number calculate the first CQI of M selected sub-band averaging quality of reaction, and according to the first CQI and in advance If standard narrowband CQI, obtain the first differential CQI, the first differential CQI is sent to base station.
If CQI feedback pattern is the narrowband CQI patterns of aperiodic high-rise configuration, the terminal device is according to system band The wide mapping relations with subband number calculate the 2nd CQI of each subband, and according to the 2nd CQI and default standard narrowband CQI obtains the second differential CQI, the second differential CQI is sent to base station.
If the narrowband CQI patterns that CQI feedback pattern selects for the user in cycle, the terminal device is according to system bandwidth With subband number and portions of bandwidth（bandwidth part）Mapping relations, calculate to react and subband selected in each portions of bandwidth The 3rd CQI, and the 3rd CQI is sent to base station.Here standard narrowband determines in the manner described above from all narrowbands.
If CQI feedback pattern is aperiodic or the cycle broadband CQI patterns, terminal device is by standard narrowband CQI is sent to base station.
Wherein, system bandwidth can be because of the different and different of system from the mapping relations of subband number.As shown in table 1 The mapping of a kind of system bandwidth and subband size and subband number to be directed to aperiodic CQI feedback pattern in LTE system is closed System.
Table 1
Optionally, the size for the narrowband that base station marks off each subband corresponding with corresponding system bandwidth in the prior art Size may be different, this just brings puzzlement to the terminal device for being operated in narrowband, and also can explain terminal to base station The CQI of equipment feedback brings certain difficulty.Based on this, the present embodiment provides a kind of solution method, the i.e. corresponding son of system bandwidth The size of band is identical with the size for each narrowband that base station marks off, alternatively, the size of the corresponding subband of system bandwidth is base station The multiple or approximate number of the size of each narrowband marked off.If for example, narrowband that base station is marked off from system bandwidth Size is 6RBs, then the size of subband is also 6RBs in the system bandwidth.In addition, base station can also be according to subband in system bandwidth Size, the narrowband of same size is divided from system bandwidth, for example, if the size of subband is 4RBs in system bandwidth, then base The size for the narrowband that station marks off also is 4RBs.
Based on this, base station can change the mapping relations of existing system bandwidth and subband size.Using the size of narrowband as Exemplified by 6RBs, as shown in table 2 for the amended narrowband CQI feedback pattern for aperiodic high-rise configuration system bandwidth with A kind of mapping relations of subband size are one kind for the narrowband CQI feedback pattern of aperiodic user selection as shown in table 3 System bandwidth and subband size and the mapping relations of the subband number M of selection.Table 4 show what is selected for the user in cycle A kind of bandwidth of narrowband CQI patterns and subband size and the relation of portions of bandwidth size.
Table 2
Table 3
Table 4
By above-mentioned table 2, table 3 and table 4 as it can be seen that CQI feedback pattern for narrowband terminal, base station will be in all system bandwidths Subband size be uniformly revised as 6RBs or for 6 about several RBs.Wherein, the narrowband size that terminal device is supported is 6RBs is that an example value is not limited to this.
By above-mentioned as it can be seen that bandwidth of operation provided in this embodiment determines that method not only solves definite terminal device and used Narrowband the problem of, while also solve the problems, such as to be operated in the terminal device of narrowband to base station feedback CQI so that terminal device Narrowband can be operated in, and then applies to move to LTE network from GMS or GPRS network for M2M and lay the foundation, is advantageously reduced The number for the access net that operator safeguards is to reduce the maintenance cost of whole network.
Fig. 3 is the flow chart that another narrowband that works provided in an embodiment of the present invention determines method.As shown in figure 3, this reality Applying the method for example includes：
Step 301, base station send narrow band information, institute before network where terminal device access base station, to terminal device The position that narrow band information carries each narrowband that base station is marked off from system bandwidth is stated, so that terminal device acquisition is each narrow The metrical information of band.
Step 302, base station receiving terminal apparatus are sent in the random access procedure according to the metrical information of each narrowband Narrowband indication information.
Step 303, base station determine the work narrowband that terminal device uses according to the narrowband indication information.
In the present embodiment, the terminal device refers to the terminal device in LTE system.In order to meet as M2M is applied The demand of the various costs of implementation for needing to reduce the terminal devices based on LTE such as move from GSM or GPRS network to LTE network, The present embodiment reduces the cost of implementation of terminal device by reducing the bandwidth of operation that terminal device is supported.Reduce terminal device The bandwidth of operation supported seeks to provide the support for narrowband terminal in existing broadband network system.In order to Narrowband terminal is supported in broadband system, base station needs to mark off one or more narrowbands in whole system bandwidth, for narrowband Terminal is accessed and data transmission.A kind of situation that base station marks off narrowband in whole system bandwidth is as shown in Figure 2.
In practical applications, due to that using the technology for reducing the reduction terminal device cost such as bandwidth of operation, downlink can be covered Lid is lost；Meanwhile for the terminal device in the particular surroundings such as basement, the transmission loss of uplink and downlink all compared with Greatly, such as the transmission loss for considering 20dB is generally required, so needing to take corresponding coverage enhancement technology, to ensure that terminal is set Standby coverage can be such as conventional terminal equipment.For these scenes, if terminal device is narrowband terminal, So, clearly know narrowband used in terminal device, coverage enhancement technology can be used on corresponding narrowband, so as to increase System is for the coverage of above-mentioned terminal device.Accordingly, it is determined that just to become comparison urgent for the narrowband that terminal device uses.
In the present embodiment, in order to determine terminal device specific works on which narrowband, base station is drawn in system bandwidth After separating one or more narrowbands, before terminal device network where access base station, the position of each narrowband is passed through Narrow band information is sent to terminal device.In this way, after terminal device receives the narrow band information of base station transmission, it is possible to know base station The position of each narrowband marked off out of system bandwidth can also further determine that base station marks off narrow out of system bandwidth The information such as the number of band.Wherein, the position of each narrowband can be represented with the frequency range of each narrowband.In addition, base station can also Narrowband to mark off is identified, and the position of each narrowband is then represented using the mark of each narrowband.
After terminal device knows the position of each narrowband, according to the position of each narrowband, surveyed on each narrowband Amount, so as to obtain the metrical information of each narrowband.The metrical information of narrowband can include CQI and/or PMI information of narrowband etc.. Then, terminal device generates narrowband indication information according to the metrical information of each narrowband, and in the random access procedure by narrowband Indication information is sent to base station.The narrowband indication information that base station receiving terminal apparatus is sent in the random access procedure, and according to Narrowband indication information determines the work narrowband that terminal device uses, so as to solve the problems, such as to determine the narrowband that terminal device uses.
In an optional embodiment, a kind of embodiment of step 301 includes：Base station is in terminal device access base station institute Before network, to end-point device broadcast high-level signaling, which includes above-mentioned narrow band information.
Optionally, base station includes before network where terminal device access base station to end-point device broadcast high-level signaling： Base station is before network where terminal device access base station, and to end-point device broadcast PBCH, i.e. the PBCH carries base station from being The position of each narrowband marked off during regiment commander is wide.Alternatively, base station is before network where terminal device access base station, to terminal Device broadcasts high-level signaling includes：Base station disappears before network where terminal device access base station to end-point device broadcast system Breath, i.e., the system message carries the position for each narrowband that base station is marked off from system bandwidth.
In an optional embodiment, a kind of embodiment of step 302 includes：The sequence that base station receiving terminal apparatus is sent Row code is obtained by the use frequency domain resource using time-domain resource or transmission sequence code of the index of sequence code, transmission sequence code Indicate the narrowband indication information of default initialization narrowband.An initial work specifically, base station and terminal device are made an appointment Make narrowband, terminal device can be to base station initiating random access procedure by the initialization narrowband, and passes through random access mistake Random access resource in journey, such as sequence code, time-domain resource or frequency domain resource carry the narrowband indication information.Correspondingly, The sequence code that base station receiving terminal apparatus is sent, according to the index of sequence code, the use time-domain resource of transmission sequence code or transmission Sequence code obtains the narrowband indication information for indicating default initialization narrowband using frequency domain resource.The initialization narrowband A narrowband in all narrowbands marked off for base station.In this embodiment, base station can directly determine default initial work It is the work narrowband that terminal device uses to make narrowband.
In this embodiment, the information content being carried by due to above-mentioned random access resource is limited, so narrowband indicates Information can include：The PMI of initialization narrowband when terminal device is operated in initialization narrowband（I.e. terminal device is operated in just The PMI information that base station uses it is expected during beginning work narrowband）.Based on this, base station can use the narrowband on initialization narrowband PMI information indicated by indication information communicates with terminal device.
In an optional embodiment, the another embodiment of step 302 includes：What base station receiving terminal apparatus was sent Sequence code, base station send the RAR for the sequence code, the message 3 that base station receiving terminal apparatus is sent, the message to terminal device 3 carry the narrowband indication information.
Optionally, the information content being carried by due to message 3 is larger, and in this embodiment, narrowband indication information can be with Including：In all narrowbands in the position of at least one narrowband and at least one narrowband each narrowband CQI and/or PMI information. Here at least one narrowband can be that terminal device is ranked up according to the CQI and/or PMI information of each narrowband, then pass through Message 3 is to all or part of narrowband of base station feedback.
Based on this, another optional embodiment of step 303 includes：Fed back according to terminal device at least one in base station The CQI and/or PMI information of each narrowband in the position of narrowband and at least one narrowband are determined eventually from least one narrowband The work narrowband that end equipment uses.
Further, it is each in the position at least one narrowband that base station is fed back according to terminal device and at least one narrowband The CQI and/or PMI information of narrowband, after determining the work narrowband that uses of terminal device from least one narrowband, base station is by institute The location information for the work narrowband that definite terminal device uses is sent to terminal device, so that used in terminal device knows Work narrowband, and is subsequently being communicated using the work narrowband.
Based on the another embodiment of above-mentioned steps 302, optionally, narrowband indication information can include：Terminal device The CQI and/or PMI information for the narrowband that the position for the narrowband that request is operated in and premises equipment requests are operated in.Based on this, walk Rapid 303 another embodiment includes：The position for the narrowband that base station works according to premises equipment requests and premises equipment requests The CQI and/or PMI information of the narrowband of work determine that the narrowband of premises equipment requests work is narrow for the work that terminal device uses Band.
From above-mentioned as it can be seen that terminal device is by base station initiating random access procedure, using in random access procedure with Narrowband indication information is sent to base station by machine access-in resource or message 3, and base station can be according to terminal device in random access mistake The narrowband indication information sent in journey determines the work narrowband that terminal device uses, have flexibly, in time, be easily achieved it is excellent Gesture.
In the present embodiment, in order to solve the problems, such as to be operated in the terminal device of narrowband to base station feedback CQI, the present embodiment Method further include：The narrowband CQI corresponding with default CQI feedback pattern that base station receiving terminal apparatus is sent.
Specifically, the narrowband CQI corresponding with default CQI feedback pattern that base station receiving terminal apparatus is sent includes：Such as Fruit CQI feedback pattern is the narrowband CQI patterns of aperiodic user selection, then the first difference of base station receiving terminal apparatus transmission CQI, wherein, terminal device calculates M selected sub-band averaging quality of reaction according to system bandwidth and the mapping relations of subband number The first CQI, and according to the CQI of the first CQI and default standard narrowband, obtain the first differential CQI, the standard narrowband is institute There is one in narrowband.
If CQI feedback pattern is the narrowband CQI patterns of aperiodic high-rise configuration, what base station receiving terminal apparatus was sent Second differential CQI, wherein, terminal device calculates the second of each subband according to system bandwidth and the mapping relations of subband number CQI, and according to the 2nd CQI and the CQI of default standard narrowband, obtain the second differential CQI.
If the narrowband CQI patterns that CQI feedback pattern selects for the user in cycle, base station receiving terminal apparatus send the Three CQI, wherein, terminal device calculates according to system bandwidth and the mapping relations of subband number and portions of bandwidth and reacts each band The 3rd CQI of subband is selected in wide portion.
If CQI feedback pattern is aperiodic or the cycle broadband CQI patterns, base station receiving terminal apparatus is sent The standard narrowband CQI.
Optionally, the size of the size of each narrowband subband corresponding with the system bandwidth is identical.Alternatively, system bandwidth The size of corresponding subband is the multiple or approximate number of the size for each narrowband that base station marks off.
The detailed description of QCI on the transmission of above-mentioned base station receiving terminal apparatus can be found in above-described embodiment, herein no longer It repeats.
In conclusion bandwidth of operation provided in this embodiment determines that method is not only solved used in definite terminal device The problem of narrowband, while also solve the problems, such as to be operated in the terminal device of narrowband to base station feedback CQI so that terminal device can It to be operated in narrowband, and then applies to move to LTE network from GMS or GPRS network for M2M and lay the foundation, advantageously reduce fortune The number for the access net that business safeguards is sought to reduce the maintenance cost of whole network.
Fig. 4 is a kind of structure diagram of terminal device provided in an embodiment of the present invention.As shown in figure 3, the present embodiment Terminal device includes：Receiving module 41, measurement module 42 and sending module 43.
Receiving module 41, the narrow band information that the base station for before terminal equipment access network, receiving in network is sent, The narrow band information carries the position for each narrowband that base station is marked off from system bandwidth.
Measurement module 42 is connected with receiving module 41, for the position of each narrowband received according to receiving module 41, It is measured on each narrowband, obtains the metrical information of each narrowband.
Sending module 43 is connected with measurement module 42, for the measurement letter of each narrowband obtained according to measurement module 42 Breath sends narrowband indication information to base station in the random access procedure, so that base station determines this according to the narrowband indication information The work narrowband that embodiment terminal device uses.
In an optional embodiment, receiving module 41 is particularly used in accesses the network in the present embodiment terminal device Before, the high-level signaling of the base station broadcast is received, the high-level signaling includes the narrow band information.
For example, receiving module 41 is particularly used in before the present embodiment terminal device accesses the network, described in reception The PBCH of base station broadcast alternatively, receiving module 41 is particularly used in before the present embodiment terminal device accesses the network, connects Receive the system message of the base station broadcast.
Wherein, the metrical information of each narrowband includes the CQI and/or PMI information of each narrowband.
Metrical information based on each narrowband includes the CQI and/or PMI information of each narrowband, a kind of optional embodiment In, sending module 43 is particularly used in the base station and sends sequence code, by the index of the sequence code, sends the sequence The time-domain resource or send the described of the default initialization narrowband of frequency domain resource instruction that the sequence code uses that code uses Narrowband indication information.A narrowband in all narrowbands that initialization narrowband marks off for base station.Optionally, the narrowband refers to Show that information can include：The PMI information of initialization narrowband when the present embodiment terminal device is operated in initialization narrowband（I.e. eventually The PMI information that base station uses it is expected when end equipment is operated in initialization narrowband）.
Metrical information based on each narrowband includes the CQI and/or PMI information of each narrowband, another optional embodiment party In formula, receiving module 41 is additionally operable to receive the RAR that the base station is directed to sequence code return.Sending module 43 is particularly used in institute It states base station and sends the sequence code, and receive the rear of the RAR in the receiving module and send message 3, institute to the base station It states message 3 and carries the narrowband indication information.
Optionally, narrowband indication information can include：In all narrowbands the position of at least one narrowband and it is described at least The CQI and/or PMI information of each narrowband in one narrowband.Receiving module 41 is additionally operable to receive the work that the base station is sent Make the position of narrowband.
Optionally, narrowband indication information can include：The present embodiment premises equipment requests work narrowband position and The CQI and/or PMI information of the narrowband of the present embodiment premises equipment requests work.
In an optional embodiment, sending module 43 is additionally operable to according to default CQI feedback pattern, is sent out to the base station Send narrowband CQI corresponding with the CQI feedback pattern.
For example, sending module 43 is particularly used in the narrowband CQI patterns of aperiodic user selection, according to system band The wide mapping relations with subband number calculate the first CQI of M selected sub-band averaging quality of reaction, and according to the first CQI With the CQI of default standard narrowband, the first differential CQI is obtained, first differential CQI is sent to the base station, wherein, institute It is one in all narrowbands to state standard narrowband, wherein, the standard narrowband is one in all narrowbands.Or
Sending module 43 is particularly used in the narrowband CQI patterns for aperiodic high-rise configuration in the CQI feedback pattern When, according to the mapping relations of system bandwidth and subband number, calculate the 2nd CQI of each subband, and according to the 2nd CQI with The CQI of default standard narrowband obtains the second differential CQI, second differential CQI is sent to the base station.Or
Sending module 43 is particularly used in the narrowband CQI patterns that the CQI feedback pattern selects for the user in cycle, According to system bandwidth and subband number and the mapping relations of portions of bandwidth, calculate and react subband is selected in each portions of bandwidth the Three CQI, and the 3rd CQI is sent to the base station.Or
It is aperiodic broadband CQI patterns or the width in cycle that sending module 43, which is particularly used in the CQI feedback pattern, During band CQI patterns, the CQI of the standard narrowband is sent to the base station.
In an optional embodiment, the size of the size of each narrowband subband corresponding with the system bandwidth is identical. Alternatively, the size of the corresponding subband of the system bandwidth is the multiple or approximate number of the size of each narrowband.
Each function module of terminal device provided in this embodiment can be used for the flow for performing embodiment of the method shown in Fig. 1, Its concrete operating principle repeats no more, and refers to the description of embodiment of the method.
Terminal device provided in this embodiment, according to the position of each narrowband marked off in the slave system bandwidth of base station transmission It puts, is measured on each narrowband, obtain the metrical information of each narrowband, then according to the metrical information of each narrowband, lead to It crosses to base station initiating random access procedure, indicates to believe by narrowband using the random access resource in random access procedure or message 3 Breath is sent to base station so that base station can determine the narrowband that terminal device uses, and have advantage that is flexible, timely, being easily achieved.
Fig. 5 is the structure diagram of another terminal device provided in an embodiment of the present invention.As shown in figure 5, the present embodiment Terminal device include：Communication interface 51, processor 52 and memory 53.
Communication interface 51, the narrow band information that the base station for before terminal equipment access network, receiving in network is sent, The narrow band information carries the position and in the random access procedure for each narrowband that base station is marked off from system bandwidth The narrowband indication information of the offer of processor 52 is sent to base station, so that base station determines the present embodiment according to the narrowband indication information The work narrowband that terminal device uses.
Memory 53, for storing program.Specifically, program can include program code, said program code includes meter Calculation machine operational order.Memory 53 may include high-speed RAM memory, it is also possible to further include nonvolatile memory（non- volatile memory）, a for example, at least magnetic disk storage.
Processor 52, it is each narrow for being received according to communication interface 51 for performing the program of the storage of memory 53 The position of band measures on each narrowband, obtains the metrical information of each narrowband, according to the metrical information of each narrowband, Narrowband indication information is generated, and narrowband indication information is supplied to communication interface 51.
Processor 52 may be a central processing unit（Central Processing Unit, referred to as CPU）Or It is specific integrated circuit（Application Specific Integrated Circuit, referred to as ASIC）Or by with It is set to the one or more integrated circuits for implementing the embodiment of the present invention.
In an optional embodiment, communication interface 51 is particularly used in accesses the network in the present embodiment terminal device Before, the high-level signaling of the base station broadcast is received, the high-level signaling includes the narrow band information.
For example, communication interface 51 is particularly used in before the present embodiment terminal device accesses the network, described in reception The PBCH of base station broadcast alternatively, communication interface 51 is particularly used in before the present embodiment terminal device accesses the network, connects Receive the system message of the base station broadcast.
Wherein, the metrical information of each narrowband includes the CQI and/or PMI information of each narrowband.
Metrical information based on each narrowband includes the CQI and/or PMI information of each narrowband, a kind of optional embodiment In, communication interface 51 specifically can use to the base station and send sequence code, by the index of the sequence code, send the sequence code The frequency domain resource that the time-domain resource or the transmission sequence code used uses indicates the described narrow of default initialization narrowband Band indication information.A narrowband in all narrowbands that initialization narrowband marks off for base station.Optionally, the narrowband instruction Information can include：The PMI information of initialization narrowband when the present embodiment terminal device is operated in initialization narrowband（That is terminal The PMI information that base station uses it is expected when equipment is operated in initialization narrowband）.
Metrical information based on each narrowband includes the CQI and/or PMI information of each narrowband, another optional embodiment party In formula, communication interface 51 is particularly used in the base station and sends the sequence code, receives the base station and is returned for sequence code RAR, it is rear send message 3 to the base station, the message 3 carries the narrowband indication information.
Optionally, narrowband indication information can include：In all narrowbands the position of at least one narrowband and it is described at least The CQI and/or PMI information of each narrowband in one narrowband.Communication interface 51 is additionally operable to receive the work that the base station is sent Make the position of narrowband.
Optionally, narrowband indication information can include：The present embodiment premises equipment requests work narrowband position and The CQI and/or PMI information of the narrowband of the present embodiment premises equipment requests work.
In an optional embodiment, communication interface 51 is additionally operable to according to default CQI feedback pattern, is sent out to the base station Send narrowband CQI corresponding with the CQI feedback pattern.
For example, processor 52 is additionally operable in the narrowband CQI patterns of aperiodic user selection, according to system bandwidth and son Mapping relations with number calculate the first CQI of M selected sub-band averaging quality of reaction, and according to the first CQI with presetting Standard narrowband CQI, obtain the first differential CQI, first differential CQI is supplied to communication interface 51.Communication interface 51 It is particularly used in the first differential CQI that processor 52 is provided and is sent to the base station, wherein, the standard narrowband is all narrow One in band, wherein, the standard narrowband is one in all narrowbands.Or
Processor 52 is additionally operable in narrowband CQI pattern of the CQI feedback pattern for aperiodic high-rise configuration, according to The mapping relations of system bandwidth and subband number, calculate the 2nd CQI of each subband, and according to the 2nd CQI with it is default The CQI of standard narrowband obtains the second differential CQI, second differential CQI is supplied to communication interface 51.Communication interface 51 has Body can be used for the second differential CQI for providing processor 52 to be sent to the base station.Or
Processor 52 is additionally operable in the narrowband CQI patterns that the CQI feedback pattern selects for the user in cycle, according to being Regiment commander is wide and the 3rd CQI that subband is selected in each portions of bandwidth is reacted in the mapping relations of subband number and portions of bandwidth, calculating, And the 3rd CQI is supplied to communication interface 51.Communication interface 51 is particularly used in the 3rd CQI for providing processor 52 and sends out Give the base station.Or
It is aperiodic broadband CQI patterns or the width in cycle that communication interface 51, which is particularly used in the CQI feedback pattern, During band CQI patterns, the CQI of the standard narrowband is sent to the base station.
In an optional embodiment, the size of the size of each narrowband subband corresponding with the system bandwidth is identical. Alternatively, the size of the corresponding subband of the system bandwidth is the multiple or approximate number of the size of each narrowband.
Optionally, if communication interface 51, processor 52 and memory 53 are realized independently of each other, communication interface 51, place Reason device 52 and memory 53 can be connected with each other by bus and complete mutual communication.The bus can be industrial standard Architecture（Industry Standard Architecture, referred to as ISA）Bus, external equipment interconnection （Peripheral Component, referred to as PCI）Bus or extended industry-standard architecture（Extended Industry Standard Architecture, referred to as EISA）Bus etc..The bus can be divided into address bus, data/address bus, control Bus processed etc..For ease of representing, only represented in Fig. 5 with a thick line, it is not intended that an only bus or a type of Bus.
It is realized on one chip if communication interface 51, processor 52 and memory 53 are integrated, communication interface 51, place Reason device 52 and memory 53 can complete mutual communication by internal interface.
Terminal device provided in this embodiment can be used for the flow for performing embodiment of the method shown in Fig. 1, and specific works are former Reason repeats no more, and refers to the description of embodiment of the method.
Terminal device provided in this embodiment, according to the position of each narrowband marked off in the slave system bandwidth of base station transmission It puts, is measured on each narrowband, obtain the metrical information of each narrowband, then according to the metrical information of each narrowband, lead to It crosses to base station initiating random access procedure, indicates to believe by narrowband using the random access resource in random access procedure or message 3 Breath is sent to base station so that base station can determine the narrowband that terminal device uses, and have advantage that is flexible, timely, being easily achieved.
Fig. 6 is a kind of structure diagram of base station provided in an embodiment of the present invention.As shown in fig. 6, the base station of the present embodiment Including：Sending module 61, receiving module 62 and determining module 63.
Sending module 61, for before terminal device accesses network where the present embodiment base station, to the terminal device Narrow band information is sent, the narrow band information carries the position for each narrowband that the present embodiment base station is marked off from system bandwidth It puts, so that the terminal device obtains the metrical information of each narrowband.
Receiving module 62, for receiving the terminal device according to the metrical information of each narrowband in the random access procedure The narrowband indication information of transmission.Receiving module 62 is connected with sending module 61.
Determining module 63 is connected with receiving module 62, for the narrowband indication information received according to receiving module 62, is determined The work narrowband that the terminal device uses.
In an optional embodiment, sending module 61 be particularly used in the terminal device access the network it Before, to the end-point device broadcast high-level signaling, the high-level signaling includes the narrow band information.
For example, sending module 61 is particularly used in before the terminal device accesses the network, set to the terminal Standby broadcast PBCH.Alternatively, sending module 61 is particularly used in before the terminal device accesses the network, to the terminal Device broadcasts system message.
Wherein, the metrical information of each narrowband includes the channel quality indicator (CQI) of each narrowband and/or pre-coding matrix rope Draw PMI information.
In an optional embodiment, receiving module 62, which is particularly used in, receives the sequence code that the terminal device is sent, The frequency domain that the time-domain resource or the transmission sequence code used by the index of the sequence code, the transmission sequence code uses Resource acquisition indicates the narrowband indication information of default initialization narrowband.The initialization narrowband marks off for base station All narrowbands in a narrowband.Based on this, determining module 63 can directly determine that initialization narrowband makes for terminal device Work narrowband.
Optionally, the narrowband indication information includes：The terminal device is operated in described initial during initialization narrowband The PMI information of work narrowband.Based on this, base station can use the PMI of narrowband indication information instruction on initialization narrowband Information communicates with terminal device.
In an optional embodiment, receiving module 62, which is particularly used in, receives the sequence code that the terminal device is sent, And in sending module 61 after the terminal device returns to RAR for the sequence code, receive what the terminal device was sent Message 3, the message 3 carry the narrowband indication information.Sending module 61 is additionally operable to send for institute to the terminal device State the RAR of sequence code.
Optionally, the narrowband indication information includes：In all narrowbands the position of at least one narrowband and it is described at least The CQI and/or PMI information of each narrowband in one narrowband.Determining module 36 is particularly used according at least one narrowband Position and at least one narrowband in each narrowband CQI and/or PMI information, from least one narrowband really The fixed work narrowband.Sending module 62 is additionally operable to the position of the work narrowband being sent to the terminal device.
Optionally, the narrowband indication information includes：The position of the narrowband of premises equipment requests work and described The CQI and/or PMI information of the narrowband of premises equipment requests work.Determining module 63 is particularly used according to the terminal device The CQI and/or PMI information of the position of the narrowband of work and the narrowband of premises equipment requests work are asked, determines the end The narrowband of end equipment request work is the work narrowband.
In an optional embodiment, it is sending with default CQI that receiving module 62 is additionally operable to receive the terminal device The corresponding narrowband CQI of feedback model.
For example, receiving module 62 is particularly used in the narrowband CQI that the CQI feedback pattern is aperiodic user selection During pattern, the first differential CQI that the terminal device is sent is received, wherein, the terminal device is according to system bandwidth and subband The mapping relations of number calculate the first CQI of M selected sub-band averaging quality of reaction, and according to the first CQI and default standard The CQI of narrowband obtains first differential CQI, and the standard narrowband is one in all narrowbands.Or
Receiving module 62 is particularly used in the narrowband CQI patterns for aperiodic high-rise configuration in the CQI feedback pattern When, the second differential CQI that the terminal device is sent is received, wherein, the terminal device is according to system bandwidth and subband number Mapping relations, the 2nd CQI of each subband is calculated, and according to the 2nd CQI and the CQI of default standard narrowband, described in acquisition Second differential CQI.Or
Receiving module 62 is particularly used in the narrowband CQI patterns that the CQI feedback pattern selects for the user in cycle, The 3rd CQI that the terminal device is sent is received, wherein, the terminal device is according to system bandwidth and subband number and bandwidth portion The mapping relations divided calculate the 3rd CQI for reacting and subband being selected in each portions of bandwidth.Or
It is aperiodic broadband CQI patterns or the width in cycle that receiving module 62, which is particularly used in the CQI feedback pattern, During band CQI patterns, the CQI for the standard narrowband that the terminal device is sent is received.
Each function module of base station provided in this embodiment can be used for the flow for performing embodiment of the method shown in Fig. 3, tool Body running principle repeats no more, and refers to the description of embodiment of the method.
Base station provided in this embodiment after one or more narrowbands are marked off in system bandwidth, exists in terminal device It accesses before network, the position of each narrowband is sent to terminal device by narrow band information so that terminal device can basis The position of each narrowband, measures on each narrowband, obtains the metrical information of each narrowband, then according to each narrowband Metrical information, by the way that narrowband indication information is sent to base station to base station initiating random access procedure, such base station can determine The narrowband that terminal device uses has advantage that is flexible, timely, being easily achieved.
Fig. 7 is the structure diagram of another base station provided in an embodiment of the present invention.As shown in fig. 7, the base of the present embodiment Station includes：Communication interface 71, processor 72 and memory 73.
Communication interface 71, for before terminal device accesses network where the present embodiment base station, being sent to terminal device The narrowband that narrow band information and receiving terminal apparatus are sent in the random access procedure according to the metrical information of each narrowband indicates Information；The narrow band information carries the position for each narrowband that the present embodiment base station is marked off from system bandwidth, so that eventually End equipment obtains the metrical information of each narrowband.
Memory 73, for storing program.Specifically, program can include program code, said program code includes meter Calculation machine operational order.Memory 73 may include high-speed RAM memory, it is also possible to further include nonvolatile memory（non- volatile memory）, a for example, at least magnetic disk storage.
Processor 72, for performing the program of the storage of memory 73, the narrowband for being received according to communication interface 71 refers to Show information, determine the work narrowband that the terminal device uses.
Processor 72 may be a CPU or specific ASIC or be arranged to implement the embodiment of the present invention One or more integrated circuits.
In an optional embodiment, communication interface 71 be particularly used in the terminal device access the network it Before, to the end-point device broadcast high-level signaling, the high-level signaling includes the narrow band information.
For example, communication interface 71 is particularly used in before the terminal device accesses the network, set to the terminal Standby broadcast PBCH.Alternatively, communication interface 71 is particularly used in before the terminal device accesses the network, to the terminal Device broadcasts system message.
Wherein, the metrical information of each narrowband includes the channel quality indicator (CQI) of each narrowband and/or pre-coding matrix rope Draw PMI information.
In an optional embodiment, communication interface 71, which is particularly used in, receives the sequence code that the terminal device is sent, The frequency domain that the time-domain resource or the transmission sequence code used by the index of the sequence code, the transmission sequence code uses Resource acquisition indicates the narrowband indication information of default initialization narrowband.The initialization narrowband marks off for base station All narrowbands in a narrowband.Based on this, processor 72, which is particularly used in, directly determines that the initialization narrowband is described The work narrowband that terminal device uses.
Optionally, the narrowband indication information includes：The terminal device is operated in described initial during initialization narrowband The PMI information of work narrowband.Based on this, base station can use the PMI of narrowband indication information instruction on initialization narrowband Information communicates with terminal device.
In an optional embodiment, communication interface 71, which is particularly used in, receives the sequence code that the terminal device is sent, After the terminal device returns to RAR for the sequence code, the message 3 that the terminal device is sent, the message 3 are received Carry the narrowband indication information.
Optionally, the narrowband indication information includes：In all narrowbands the position of at least one narrowband and it is described at least The CQI and/or PMI information of each narrowband in one narrowband.Processor 72 is particularly used according at least one narrowband The CQI and/or PMI information of each narrowband in position and at least one narrowband are determined from least one narrowband The work narrowband.Communication interface 71 is additionally operable to the position of the work narrowband being sent to the terminal device.
Optionally, the narrowband indication information includes：The position of the narrowband of premises equipment requests work and described The CQI and/or PMI information of the narrowband of premises equipment requests work.Processor 72 is particularly used in please according to the terminal device The CQI and/or PMI information of the position of the narrowband of work and the narrowband of premises equipment requests work are sought, determines the terminal The narrowband of device request work is the work narrowband.
In an optional embodiment, it is sending with default CQI that communication interface 71 is additionally operable to receive the terminal device The corresponding narrowband CQI of feedback model.
For example, communication interface 71 is particularly used in the narrowband CQI that the CQI feedback pattern is aperiodic user selection During pattern, the first differential CQI that the terminal device is sent is received.Wherein, terminal device is according to system bandwidth and subband number Mapping relations, calculate the first CQI of reaction M selected sub-band averaging quality, and according to the first CQI and default standard narrowband CQI, obtain first differential CQI, the standard narrowband is one in all narrowbands.Or
Communication interface 71 is particularly used in the narrowband CQI patterns for aperiodic high-rise configuration in the CQI feedback pattern When, receive the second differential CQI that the terminal device is sent.Wherein, the terminal device is according to system bandwidth and subband number Mapping relations, the 2nd CQI of each subband is calculated, and according to the 2nd CQI and the CQI of default standard narrowband, described in acquisition Second differential CQI.Or
71 body of communication interface can be used for, in the narrowband CQI patterns that the CQI feedback pattern selects for the user in cycle, connecing Receive the 3rd CQI that the terminal device is sent.Wherein, the terminal device is according to system bandwidth and subband number and portions of bandwidth Mapping relations, calculate the 3rd CQI for reacting and subband being selected in each portions of bandwidth.Or
It is aperiodic broadband CQI patterns or the width in cycle that communication interface 71, which is particularly used in the CQI feedback pattern, During band CQI patterns, the CQI for the standard narrowband that the terminal device is sent is received.
Optionally, if communication interface 71, processor 72 and memory 73 are realized independently of each other, communication interface 71, place Reason device 72 and memory 73 can be connected with each other by bus and complete mutual communication.The bus can be isa bus, Pci bus or eisa bus etc..The bus can be divided into address bus, data/address bus, controlling bus etc..For ease of representing, It is only represented in Fig. 7 with a thick line, it is not intended that an only bus or a type of bus.
It is realized on one chip if communication interface 71, processor 72 and memory 73 are integrated, communication interface 71, place Reason device 72 and memory 73 can complete mutual communication by internal interface.
Base station provided in this embodiment can be used for the flow for performing embodiment of the method shown in Fig. 3, and concrete operating principle is not It repeats again, refers to the description of embodiment of the method.
Base station provided in this embodiment after one or more narrowbands are marked off in system bandwidth, exists in terminal device It accesses before network, the position of each narrowband is sent to terminal device by narrow band information so that terminal device can basis The position of each narrowband, measures on each narrowband, obtains the metrical information of each narrowband, then according to each narrowband Metrical information, by the way that narrowband indication information is sent to base station to base station initiating random access procedure, such base station can determine The narrowband that terminal device uses has advantage that is flexible, timely, being easily achieved.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above-mentioned each method embodiment can lead to The relevant hardware of program instruction is crossed to complete.Foregoing program can be stored in a computer read/write memory medium.The journey Sequence upon execution, execution the step of including above-mentioned each method embodiment；And foregoing storage medium includes：ROM, RAM, magnetic disc or The various media that can store program code such as person's CD.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to Can so modify to the technical solution recorded in foregoing embodiments either to which part or all technical characteristic into Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is not made to depart from various embodiments of the present invention technology The scope of scheme.

Claims (46)

1. a kind of work narrowband determines method, which is characterized in that including：
Terminal device before accessing to a network, receives the narrow band information that the base station in the network is sent, and the narrow band information is taken Position with each narrowband that the base station is marked off from system bandwidth, the size of each narrowband and the system bandwidth pair The size for the subband answered is identical；Or the size of the system bandwidth corresponding subband is the multiple or about of the size of each narrowband Number；
The terminal device measures on each narrowband according to the position of each narrowband, obtains the measurement letter of each narrowband Breath；
The terminal device sends narrowband instruction to the base station in the random access procedure according to the metrical information of each narrowband Information, so that the base station determines the work narrowband that the terminal device uses, the narrowband according to the narrowband indication information What indication information generated for the terminal device according to the metrical information of each narrowband；
The terminal device sends narrowband instruction to the base station in the random access procedure according to the metrical information of each narrowband Information includes：
The terminal device sends sequence code to the base station；
The terminal device receives the base station and is directed to the random access response RAR that the sequence code returns；
The terminal device sends message 3 to the base station, and the message 3 carries the narrowband indication information.
2. work narrowband according to claim 1 determines method, which is characterized in that the terminal device access network it Before, receiving the narrow band information that the base station in the network is sent includes：
The terminal device receives the high-level signaling of the base station broadcast, the high-level signaling bag before the network is accessed Include the narrow band information.
3. work narrowband according to claim 2 determines method, which is characterized in that the terminal device is accessing the net Before network, receiving the high-level signaling of the base station broadcast includes：
The terminal device receives the PBCH of the base station broadcast before the network is accessed；Or
The terminal device receives the system message of the base station broadcast before the network is accessed.
4. the work narrowband according to claim 1 or 2 or 3 determines method, which is characterized in that the metrical information of each narrowband Channel quality indicator (CQI) and/or pre-coding matrix instruction PMI information including each narrowband.
5. work narrowband according to claim 1 determines method, which is characterized in that the narrowband indication information includes：Institute There are the CQI and/or PMI information of each narrowband in the position of at least one narrowband in narrowband and at least one narrowband.
6. work narrowband according to claim 5 determines method, which is characterized in that the terminal device is according to each narrowband Metrical information, in the random access procedure to the base station send narrowband indication information so that the base station is according to described narrow Determine that the work narrowband that the terminal device uses includes afterwards with indication information：
The terminal device receives the position for the work narrowband that the base station is sent.
7. work narrowband according to claim 1 determines method, which is characterized in that the narrowband indication information includes：Institute State CQI and/or the PMI letter of the position of the narrowband of premises equipment requests work and the narrowband of premises equipment requests work Breath.
8. method is determined according to claim 1-3 any one of them work narrowband, which is characterized in that further include：
The terminal device is sent corresponding narrow with the CQI feedback pattern according to default CQI feedback pattern to the base station Band CQI.
9. work narrowband according to claim 8 determines method, which is characterized in that the terminal device is according to default CQI feedback pattern, sending narrowband CQI corresponding with the CQI feedback pattern to the base station includes：
If the CQI feedback pattern is the narrowband CQI patterns of aperiodic user selection, the terminal device is according to system band The wide mapping relations with subband number calculate the first CQI of M selected sub-band averaging quality of reflection, and according to the first CQI With the CQI of default standard narrowband, the first differential CQI is obtained, first differential CQI is sent to the base station, wherein, institute It is one in all narrowbands to state standard narrowband；
If the CQI feedback pattern is the narrowband CQI patterns of aperiodic high-rise configuration, the terminal device is according to system band The wide mapping relations with subband number calculate the 2nd CQI of each subband, and narrow according to the 2nd CQI and default standard The CQI of band obtains the second differential CQI, second differential CQI is sent to the base station；
If the narrowband CQI patterns that the CQI feedback pattern selects for the user in cycle, the terminal device is according to system bandwidth With subband number and the mapping relations of portions of bandwidth, the 3rd CQI for reflecting in each portions of bandwidth and selecting subband is calculated, and by institute It states the 3rd CQI and is sent to the base station；
If the CQI feedback pattern is aperiodic broadband CQI patterns or the broadband CQI patterns in cycle, the terminal device The CQI of the standard narrowband is sent to the base station.
10. a kind of work narrowband determines method, which is characterized in that including：
Base station sends narrow band information before terminal device accesses network where the base station, to the terminal device, described narrow Information carries the position for each narrowband that the base station is marked off from system bandwidth, so that the terminal device obtains often The metrical information of a narrowband, the size of the size of each narrowband subband corresponding with the system bandwidth are identical；Or the system The size of the wide corresponding subband of regiment commander is the multiple or approximate number of the size of each narrowband；
The base station receives the narrowband that the terminal device is sent in the random access procedure according to the metrical information of each narrowband Indication information, what the narrowband indication information generated for the terminal device according to the metrical information of each narrowband；
The base station determines the work narrowband that the terminal device uses according to the narrowband indication information；
The base station receives the narrowband that the terminal device is sent in the random access procedure according to the metrical information of each narrowband Indication information includes：
The base station receives the sequence code that the terminal device is sent；
The base station sends the random access response RAR for the sequence code to the terminal device；
The base station receives the message 3 that the terminal device is sent, and the message 3 carries the narrowband indication information.
11. work narrowband according to claim 10 determines method, which is characterized in that the base station is accessed in terminal device Before network where the base station, sending narrow band information to the terminal device includes：
The base station is before the terminal device accesses the network, to the end-point device broadcast high-level signaling, the height Layer signaling includes the narrow band information.
12. work narrowband according to claim 11 determines method, which is characterized in that the base station is in the terminal device It accesses before the network, includes to the end-point device broadcast high-level signaling：
The base station is before the terminal device accesses the network, to the end-point device broadcast PBCH；Or
The base station is before the terminal device accesses the network, to the end-point device broadcast system message.
13. the work narrowband according to claim 10 or 11 or 12 determines method, which is characterized in that the measurement of each narrowband Information includes the channel quality indicator (CQI) of each narrowband and/or pre-coding matrix instruction PMI information.
14. work narrowband according to claim 10 determines method, which is characterized in that the narrowband indication information includes： In all narrowbands in the position of at least one narrowband and at least one narrowband each narrowband CQI and/or PMI information；
The base station determines that the work narrowband that the terminal device uses includes according to the narrowband indication information：
The base station according to the CQI of each narrowband in the position of at least one narrowband and at least one narrowband and/ Or PMI information, the work narrowband is determined from least one narrowband.
15. work narrowband according to claim 14 determines method, which is characterized in that the base station is according to described at least one The CQI and/or PMI information of each narrowband in the position of a narrowband and at least one narrowband, from described at least one narrow It determines to include after the work narrowband in band：
The position of the work narrowband is sent to the terminal device by the base station.
16. work narrowband according to claim 10 determines method, which is characterized in that the narrowband indication information includes： The position of the narrowband of the premises equipment requests work and CQI and/or the PMI letter of the narrowband of premises equipment requests work Breath；
The base station determines that the work narrowband that the terminal device uses includes according to the narrowband indication information：
The position for the narrowband that the base station works according to the premises equipment requests and the narrowband of premises equipment requests work CQI and/or PMI information, the narrowband for determining premises equipment requests work be the work narrowband.
17. method is determined according to claim 10-12 any one of them work narrowband, which is characterized in that further include：
The base station receives the narrowband CQI corresponding with default CQI feedback pattern that the terminal device is sent.
18. work narrowband according to claim 17 determines method, which is characterized in that the base station receives the terminal and sets The narrowband CQI corresponding with default CQI feedback pattern that preparation is sent includes：
If the CQI feedback pattern is the narrowband CQI patterns of aperiodic user selection, the base station receives the terminal and sets The first differential CQI that preparation is sent, wherein, the terminal device calculates anti-according to system bandwidth and the mapping relations of subband number It reflects the first CQI of M selected sub-band averaging quality, and according to the first CQI and the CQI of default standard narrowband, obtains described the One differential CQI, the standard narrowband are one in all narrowbands；
If the CQI feedback pattern is the narrowband CQI patterns of aperiodic high-rise configuration, the base station receives the terminal and sets The second differential CQI that preparation is sent, wherein, the terminal device calculates every according to system bandwidth and the mapping relations of subband number 2nd CQI of a subband, and according to the 2nd CQI and the CQI of default standard narrowband, obtain second differential CQI；
If the narrowband CQI patterns that the CQI feedback pattern selects for the user in cycle, the base station receive the terminal device The 3rd CQI sent, wherein, the terminal device is according to system bandwidth and the mapping relations of subband number and portions of bandwidth, meter Calculate the 3rd CQI for reflecting in each portions of bandwidth and selecting subband；
If the CQI feedback pattern is aperiodic broadband CQI patterns or the broadband CQI patterns in cycle, the base station receives The CQI for the standard narrowband that the terminal device is sent.
19. a kind of terminal device, which is characterized in that including：
Receiving module, for before terminal equipment access network, receiving the narrow band information of the transmission of the base station in the network, institute State the position that narrow band information carries each narrowband that the base station is marked off from system bandwidth, the size of each narrowband and institute The size for stating the corresponding subband of system bandwidth is identical；Or the size of the system bandwidth corresponding subband is the size of each narrowband Multiple or approximate number；
Measurement module for the position according to each narrowband, measures on each narrowband, obtains the measurement letter of each narrowband Breath；
Sending module for the metrical information according to each narrowband, sends narrowband to the base station in the random access procedure and refers to Show information, so that the base station determines the work narrowband that the terminal device uses according to the narrowband indication information, it is described narrow It is generated with indication information for the terminal device according to the metrical information of each narrowband；
The receiving module is additionally operable to receive the random access response RAR that the base station is directed to sequence code return；
The sending module is specifically used for sending the sequence code to the base station, and receives in the receiving module described The rear of RAR sends message 3 to the base station, and the message 3 carries the narrowband indication information.
20. terminal device according to claim 19, which is characterized in that the receiving module is specifically used in the terminal Equipment is accessed before the network, receives the high-level signaling of the base station broadcast, and the high-level signaling includes the narrow band information.
21. terminal device according to claim 20, which is characterized in that the receiving module is specifically used in the terminal Equipment is accessed before the network, receives the PBCH of the base station broadcast；Or
The receiving module is specifically used for before the terminal device accesses the network, the system for receiving the base station broadcast Message.
22. according to the terminal device described in claim 19 or 20 or 21, which is characterized in that the metrical information of each narrowband includes Each channel quality indicator (CQI) of narrowband and/or pre-coding matrix index PMI information.
23. terminal device according to claim 19, which is characterized in that the narrowband indication information includes：All narrowbands In the position of at least one narrowband and the CQI and/or PMI information of each narrowband at least one narrowband.
24. terminal device according to claim 23, which is characterized in that the receiving module is additionally operable to receive the base station The position of the work narrowband sent.
25. terminal device according to claim 19, which is characterized in that the narrowband indication information includes：The terminal The position of the narrowband of device request work and the CQI and/or PMI information of the narrowband of premises equipment requests work.
26. according to claim 19-21 any one of them terminal devices, which is characterized in that the sending module is additionally operable to root According to default CQI feedback pattern, narrowband CQI corresponding with the CQI feedback pattern is sent to the base station.
27. terminal device according to claim 26, which is characterized in that the sending module is used for according to default CQI Feedback model, sending narrowband CQI corresponding with the CQI feedback pattern to the base station includes：
The sending module is specifically used in the narrowband CQI patterns of aperiodic user selection, according to system bandwidth and subband The mapping relations of number, calculate the first CQI of reflection M selected sub-band averaging quality, and according to the first CQI with it is default The CQI of standard narrowband obtains the first differential CQI, first differential CQI is sent to the base station, wherein, the standard is narrow Band is one in all narrowbands, wherein, the standard narrowband is one in all narrowbands；Or
The sending module is specifically used in narrowband CQI pattern of the CQI feedback pattern for aperiodic high-rise configuration, root According to system bandwidth and the mapping relations of subband number, the 2nd CQI of each subband is calculated, and according to the 2nd CQI and is preset Standard narrowband CQI, obtain the second differential CQI, second differential CQI is sent to the base station；Or
The sending module is specifically used in the narrowband CQI patterns that the CQI feedback pattern selects for the user in cycle, according to System bandwidth and subband number and the mapping relations of portions of bandwidth, calculate and reflect the 3rd of selected subband in each portions of bandwidth CQI, and the 3rd CQI is sent to the base station；Or
It is aperiodic broadband CQI patterns or the broadband CQI in cycle that the sending module, which is specifically used in the CQI feedback pattern, During pattern, the CQI of the standard narrowband is sent to the base station.
28. a kind of base station, which is characterized in that including：
Sending module, for before terminal device accesses network where the base station, narrowband letter to be sent to the terminal device Breath, the narrow band information carries the position for each narrowband that the base station is marked off from system bandwidth, so that the terminal Equipment obtains the metrical information of each narrowband, and the size of the size of each narrowband subband corresponding with the system bandwidth is identical； Or the size of the system bandwidth corresponding subband is the multiple or approximate number of the size of each narrowband；
Receiving module is sent according to the metrical information of each narrowband in the random access procedure for receiving the terminal device Narrowband indication information, what the narrowband indication information generated for the terminal device according to the metrical information of each narrowband；
Determining module, for according to the narrowband indication information, determining the work narrowband that the terminal device uses；
The receiving module is specifically used for receiving the sequence code that the terminal device is sent, and in the sending module to the end After end equipment returns to random access response RAR for the sequence code, the message 3 that the terminal device is sent is received, it is described Message 3 carries the narrowband indication information；
The sending module is additionally operable to send the RAR for the sequence code to the terminal device.
29. base station according to claim 28, which is characterized in that the sending module is specifically used in the terminal device It accesses before the network, to the end-point device broadcast high-level signaling, the high-level signaling includes the narrow band information.
30. base station according to claim 29, which is characterized in that the sending module is specifically used in the terminal device It accesses before the network, to the end-point device broadcast PBCH；Or
The sending module is specifically used for before the terminal device accesses the network, to the end-point device broadcast system Message.
31. according to the base station described in claim 28 or 29 or 30, which is characterized in that the metrical information of each narrowband includes each The channel quality indicator (CQI) of narrowband and/or pre-coding matrix instruction PMI information.
32. base station according to claim 28, which is characterized in that the narrowband indication information includes：In all narrowbands extremely The CQI and/or PMI information of each narrowband in the position and at least one narrowband of a few narrowband；
The determining module is specifically used for according to each in the position of at least one narrowband and at least one narrowband The CQI and/or PMI information of narrowband determine the work narrowband from least one narrowband.
33. base station according to claim 32, which is characterized in that the sending module is additionally operable to the work narrowband Position is sent to the terminal device.
34. base station according to claim 32, which is characterized in that the narrowband indication information includes：The terminal device Ask the CQI and/or PMI information of the position of the narrowband of work and the narrowband of premises equipment requests work；
The determining module is specifically used for the position of the narrowband to work according to the premises equipment requests and the terminal device please The CQI and/or PMI information of the narrowband of work are sought, the narrowband for determining the premises equipment requests work is the work narrowband.
35. according to claim 28-30 any one of them base station, which is characterized in that the receiving module is additionally operable to receive institute State the narrowband CQI corresponding with default CQI feedback pattern of terminal device transmission.
36. base station according to claim 35, which is characterized in that the receiving module is sent out for receiving the terminal device The narrowband CQI corresponding with default CQI feedback pattern sent includes：
The receiving module is specifically used for, in narrowband CQI pattern of the CQI feedback pattern for aperiodic user selection, connecing The first differential CQI that the terminal device is sent is received, wherein, the terminal device is according to the mapping of system bandwidth and subband number Relation, calculates the first CQI of reflection M selected sub-band averaging quality, and according to the first CQI and the CQI of default standard narrowband, First differential CQI is obtained, the standard narrowband is one in all narrowbands；Or
The receiving module is specifically used for, in narrowband CQI pattern of the CQI feedback pattern for aperiodic high-rise configuration, connecing The second differential CQI that the terminal device is sent is received, wherein, the terminal device is according to the mapping of system bandwidth and subband number Relation calculates the 2nd CQI of each subband, and according to the 2nd CQI and the CQI of default standard narrowband, it is poor to obtain described second Divide CQI；Or
The receiving module is specifically used for, in the narrowband CQI patterns that the CQI feedback pattern selects for the user in cycle, receiving The 3rd CQI that the terminal device is sent, wherein, the terminal device is according to system bandwidth and subband number and portions of bandwidth Mapping relations calculate the 3rd CQI for reflecting in each portions of bandwidth and selecting subband；Or
It is aperiodic broadband CQI patterns or the broadband CQI in cycle that the receiving module, which is specifically used in the CQI feedback pattern, During pattern, the CQI for the standard narrowband that the terminal device is sent is received.
37. a kind of chip, which is characterized in that including communication interface, processor and memory, wherein,
The communication interface is used for, and before terminal equipment access network, receives the narrow band information that the base station in network is sent, institute State position and the measurement according to each narrowband that narrow band information carries each narrowband that base station is marked off from system bandwidth Information sends the narrowband indication information of processor offer, so that the base station is according to base station in the random access procedure Narrowband indication information determines the work narrowband that the terminal device uses, the narrowband indication information for the terminal device according to The metrical information generation of each narrowband；The size of the size subband corresponding with the system bandwidth of each narrowband is identical；Or The size of system bandwidth corresponding subband described in person is the multiple or approximate number of the size of each narrowband；
The memory is used for, and stores program；
The processor is used for, and the program of the memory storage is performed, for each narrowband received according to communication interface Position, measured on each narrowband, obtain the metrical information of each narrowband, it is raw according to the metrical information of each narrowband The communication interface is supplied into narrowband indication information, and by narrowband indication information；
The communication interface is additionally operable to, and receives random access response RAR that the base station returned for sequence code and to described Base station sends the sequence code, and receives the rear of the RAR in the receiving module and send message 3 to the base station, described Message 3 carries the narrowband indication information.
38. the chip according to claim 37, which is characterized in that the communication interface is specifically used in the terminal device It accesses before the network, receives the high-level signaling of the base station broadcast, the high-level signaling includes the narrow band information.
39. the chip according to claim 38, which is characterized in that the communication interface is specifically used in the terminal device It accesses before the network, receives the PBCH of the base station broadcast；Or
The communication interface is specifically used for before the terminal device accesses the network, the system for receiving the base station broadcast Message.
40. according to claim 37-39 any one of them chips, which is characterized in that the metrical information of each narrowband includes every The channel quality indicator (CQI) of a narrowband and/or pre-coding matrix index PMI information.
41. the chip according to claim 37, which is characterized in that the narrowband indication information includes：In all narrowbands extremely The CQI and/or PMI information of each narrowband in the position and at least one narrowband of a few narrowband.
42. chip according to claim 41, which is characterized in that the communication interface is additionally operable to receive the base station transmission The work narrowband position.
43. the chip according to claim 37, which is characterized in that the narrowband indication information includes：The terminal device Ask the CQI and/or PMI information of the position of the narrowband of work and the narrowband of premises equipment requests work.
44. according to claim 37-39 any one of them chips, which is characterized in that the communication interface is additionally operable to according to pre- If CQI feedback pattern, send narrowband CQI corresponding with the CQI feedback pattern to the base station.
45. chip according to claim 44, which is characterized in that
The processor is specifically used for, in the narrowband CQI patterns of aperiodic user selection, according to system bandwidth and subband Several mapping relations calculate the first CQI of M selected sub-band averaging quality of reflection, and according to the first CQI and default mark The CQI of quasi- narrowband obtains the first differential CQI, first differential CQI is sent to the communication interface；The communication interface The base station is sent to specifically for first differential CQI for providing the processor, wherein, the standard narrowband is institute There is one in narrowband, wherein, the standard narrowband is one in all narrowbands；Or
The processor is specifically used for, in narrowband CQI pattern of the CQI feedback pattern for aperiodic high-rise configuration, root According to system bandwidth and the mapping relations of subband number, the 2nd CQI of each subband is calculated, and according to the 2nd CQI and is preset Standard narrowband CQI, obtain the second differential CQI, second differential CQI is sent to the communication interface；The communication The second differential CQI that interface is specifically used for providing the processor is sent to the base station；Or
The processor is specifically used for, in the narrowband CQI patterns that the CQI feedback pattern selects for the user in cycle, according to System bandwidth and subband number and the mapping relations of portions of bandwidth, calculate and reflect the 3rd of selected subband in each portions of bandwidth CQI, and the 3rd CQI is sent to the communication interface；The communication interface is specifically used for provide the processor 3rd CQI is sent to the base station；Or
The communication interface is specifically used for, and is aperiodic broadband CQI patterns or the broadband in cycle in the CQI feedback pattern During CQI patterns, the CQI of the standard narrowband is sent to the base station.
46. a kind of computer readable storage medium, which is characterized in that the storage medium is for storing program, in described program When being performed by terminal device so that the terminal device performs the claims 1-9 any one of them methods.
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