CN103825670A - Working narrowband determining method, terminal equipment and base station - Google Patents

Working narrowband determining method, terminal equipment and base station Download PDF

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Publication number
CN103825670A
CN103825670A CN201210464418.9A CN201210464418A CN103825670A CN 103825670 A CN103825670 A CN 103825670A CN 201210464418 A CN201210464418 A CN 201210464418A CN 103825670 A CN103825670 A CN 103825670A
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China
Prior art keywords
arrowband
cqi
terminal equipment
base station
work
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CN201210464418.9A
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CN103825670B (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 invention provides a working narrowband determining method, a piece of terminal equipment and a base station. The method comprises the following steps: the terminal equipment receives narrowband information sent by the base station before being accessed to a network, wherein the narrowband information carries the position of each narrowband marked off by the base station from a system bandwidth; the terminal equipment carries out measurement on each narrowband according to the position of the narrowband to obtain measurement information of the narrowband; and the terminal equipment sends narrowband indicating information to the base station in the random access process according to the measurement information of each narrowband to enable the base station to determine the narrowband used by the terminal equipment according to the narrowband indicating information. The technical scheme of the invention provides a solution for the problem of determining the position of a narrowband at which a narrowband terminal works.

Description

Method, terminal equipment and base station are determined in work arrowband
Technical field
The present invention relates to the communication technology, relate in particular to a kind of work arrowband and determine method, terminal equipment and base station.
Background technology
Machine refers to the communication between two or more entities of the human intervention of not wanting any necessity to machine (Machine to Machine, referred to as M2M) communication.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 GPRS) the good covering of network and the low price of GSM/GPRS terminal, make most of M2M application provider tend to use GSM/GPRS terminal that M2M service is provided.Along with the large scale deployment of Long Term Evolution (Long Term Evolution, referred to as LTE) network, operator wishes to reduce the number of the Access Network of safeguarding, for example, no longer provide the service of GSM/GRPS network, to reduce the maintenance cost of whole network.Therefore, need to realize M2M application moving from GSM/GRPS network to LTE network.In order to realize M2M application moving from GSM/GRPS network to LTE network, need to be provided as originally can be even lower compared with GSM/GPRS terminal the terminal based on LTE network.
Prior art has provided the method for several minimizing LTE terminal costs, for example reduce the bandwidth of operation that LTE terminal is supported, reduce the peak rate of LTE terminal, use half frequency division multiplexing (Half-FDD), use single receive chain, simplify the uplink transmission power of downlink transfer pattern and reduction LTE terminal etc.Wherein, in this method of bandwidth of operation of supporting in minimizing LTE terminal, base station, by mark off one or more arrowbands in whole system bandwidth, is accessed and transfer of data for LTE terminal, and the LTE terminal under this scene can be described as narrowband terminal.Following behavior example, narrowband terminal can only receive descending control and data in the narrower frequency band of a division.So, in actual applications, need in multiple arrowbands of system divides, determine the position of the work arrowband of narrowband terminal use, determine concrete which arrowband using of narrowband terminal.
Summary of the invention
The embodiment of the present invention provides a kind of work arrowband to determine method, terminal equipment and base station, for determining the position of arrowband of narrowband terminal work.
First aspect provides a kind of work arrowband to determine method, comprising:
Terminal equipment, before access network, receives the narrow band information that base station in described network sends, and described narrow band information carries the position of each arrowband that described base station marks off from system bandwidth;
Described terminal equipment, according to the position of each arrowband, is measured on each arrowband, obtains the metrical information of each arrowband;
Described terminal equipment is according to the metrical information of each arrowband, in random access procedure to transmission arrowband, described base station indication information, so that the work arrowband that described terminal equipment uses is determined according to described arrowband indication information in described base station.
In the possible implementation of the first of first aspect, described terminal equipment is before access network, the narrow band information that receives the base station transmission in described network comprises: described terminal equipment is before the described network of access, receive the high-level signaling of described base station broadcast, described high-level signaling comprises described narrow band information.
In conjunction with the possible implementation of the first of first aspect or first aspect, in the possible implementation of the second of first aspect, the metrical information of each arrowband comprises channel quality indicator (CQI) and/or the pre-coding matrix indication PMI information of each arrowband.
In conjunction with the possible implementation of the second of first aspect, in the third possible implementation of first aspect, described terminal equipment is according to the metrical information of each arrowband, in random access procedure, comprise to transmission arrowband, described base station indication information: described terminal equipment sends sequence code to described base station, by the index of described sequence code, send the time-domain resource that described sequence code uses or send the frequency domain resource that described sequence code uses and indicate the described arrowband indication information on default initialization arrowband, described initialization arrowband is an arrowband in all arrowbands.
In conjunction with the possible implementation of the second of first aspect, in the 4th kind of possible implementation of first aspect, described terminal equipment, according to the metrical information of each arrowband, comprises to transmission arrowband, described base station indication information in random access procedure: described terminal equipment sends sequence code to described base station; Described terminal equipment receives the accidental access response RAR returning for described sequence code described base station; Described terminal equipment sends message 3 to described base station, and described message 3 is carried described arrowband indication information.
In conjunction with the third possible implementation of the possible implementation of the second of first aspect or first aspect or first aspect or the 4th kind of possible implementation of first aspect, in the 5th kind of possible implementation of first aspect, described method also comprises: described terminal equipment, according to default CQI feedback model, sends the arrowband CQI corresponding with described CQI feedback model to described base station.
In conjunction with the 5th kind of possible implementation of first aspect, in the 6th kind of possible implementation of first aspect, described terminal equipment, according to default CQI feedback model, sends the arrowband CQI corresponding with described CQI feedback model to described base station and comprises:
If described CQI feedback model is the arrowband CQI pattern that aperiodic user selects, described terminal equipment is according to the mapping relations of system bandwidth and subband number, calculate a CQI of M selected sub-band averaging quality of reaction, and according to the CQI of a described CQI and default standard narrowband, obtain the first differential CQI, described the first differential CQI is sent to described base station, and wherein, described standard narrowband is in all arrowbands;
If described CQI feedback model is the arrowband CQI pattern of aperiodic high-rise configuration, described terminal equipment is according to the mapping relations of system bandwidth and subband number, calculate the 2nd CQI of each subband, and according to the CQI of described the 2nd CQI and default standard narrowband, obtain the second differential CQI, described the second differential CQI is sent to described base station;
If the arrowband CQI pattern that the user that described CQI feedback model is the cycle selects, described terminal equipment is according to the mapping relations of system bandwidth and subband number and portions of bandwidth, calculate the 3rd CQI of selected subband in the each portions of bandwidth of reaction, and described the 3rd CQI is sent to described base station;
If described CQI feedback model is the broadband CQI pattern in aperiodic broadband CQI pattern or cycle, the CQI of described standard narrowband is sent to described base station by described terminal equipment.
Second aspect provides a kind of work arrowband to determine method, comprising:
Base station is before terminal equipment accesses place, described base station network, send narrow band information to described terminal equipment, described narrow band information carries the position of each arrowband that described base station marks off from system bandwidth, so that described terminal equipment obtains the metrical information of each arrowband;
Described base station receives the arrowband indication information that described terminal equipment sends in random access procedure according to the metrical information of each arrowband;
The work arrowband that described terminal equipment uses, according to described arrowband indication information, is determined in described base station.
In the possible implementation of the first of second aspect, described base station is before terminal equipment accesses place, described base station network, sending narrow band information to described terminal equipment comprises: described base station is before described terminal equipment accesses described network, to described end-point device broadcast high-level signaling, described high-level signaling comprises described narrow band information.
In conjunction with the possible implementation of the first of first aspect or first aspect, in the possible implementation of the second of first aspect, the metrical information of each arrowband comprises channel quality indicator (CQI) and/or the pre-coding matrix indication PMI information of each arrowband.
In conjunction with the possible implementation of the second of second aspect, in the third possible implementation of second aspect, described base station receives the arrowband indication information that described terminal equipment sends in random access procedure according to the metrical information of each arrowband and comprises: described base station receives the sequence code that described terminal equipment sends, by the index of described sequence code, send the time-domain resource that described sequence code uses or send frequency domain resource that described sequence code uses the described arrowband indication information that obtains default initialization arrowband, described initialization arrowband is an arrowband in all arrowbands.
In conjunction with the possible implementation of the second of second aspect, in the 4th kind of possible implementation of second aspect, described base station receives the arrowband indication information that described terminal equipment sends in random access procedure according to the metrical information of each arrowband and comprises: described base station receives the sequence code that described terminal equipment sends; Described base station sends the accidental access response RAR for described sequence code to described terminal equipment; Described base station receives the message 3 that described terminal equipment sends, and described message 3 is carried described arrowband indication information.
In conjunction with the third possible implementation of the possible implementation of the second of the possible implementation of the first of second aspect or second aspect or second aspect or second aspect or the 4th kind of possible implementation of second aspect, in the 5th kind of possible implementation of second aspect, described method also comprises: described base station receives arrowband CQI corresponding to the CQI feedback model with default that described terminal equipment sends.
In conjunction with the 5th kind of possible implementation of second aspect, in the 6th kind of possible implementation of second aspect, arrowband CQI corresponding to the CQI feedback model with default that described base station receives described terminal equipment transmission comprises:
If described CQI feedback model is the arrowband CQI pattern that aperiodic user selects, described base station receives the first differential CQI that described terminal equipment sends, wherein, described terminal equipment is according to the mapping relations of system bandwidth and subband number, calculate a CQI of M selected sub-band averaging quality of reaction, and according to the CQI of a CQI and default standard narrowband, obtaining described the first differential CQI, described standard narrowband is in all arrowbands;
If described CQI feedback model is the arrowband CQI pattern of aperiodic high-rise configuration, described base station receives the second differential CQI that described terminal equipment sends, wherein, described terminal equipment is according to the mapping relations of system bandwidth and subband number, calculate the 2nd CQI of each subband, and according to the CQI of the 2nd CQI and default standard narrowband, obtain described the second differential CQI;
If the arrowband CQI pattern that the user that described CQI feedback model is the cycle selects, described base station receives the 3rd CQI that described terminal equipment sends, wherein, described terminal equipment, according to the mapping relations of system bandwidth and subband number and portions of bandwidth, calculates described the 3rd CQI of selected subband in the each portions of bandwidth of reaction;
If described CQI feedback model is the broadband CQI pattern in aperiodic broadband CQI pattern or cycle, described base station receives the CQI of the described standard narrowband of described terminal equipment transmission.
The third aspect provides a kind of terminal equipment, comprising:
Receiver module, for before terminal equipment access network, receives the narrow band information that base station in described network sends, and described narrow band information carries the position of each arrowband that described base station marks off from system bandwidth;
Measurement module for according to the position of each arrowband, is measured on each arrowband, obtains the metrical information of each arrowband;
Sending module, for according to the metrical information of each arrowband, in random access procedure to transmission arrowband, described base station indication information, so that the work arrowband that described terminal equipment uses is determined according to described arrowband indication information in described base station.
In the possible implementation of the first of the third aspect, described receiver module, specifically for before accessing described network at described terminal equipment, receives the high-level signaling of described base station broadcast, and described high-level signaling comprises described narrow band information.
In conjunction with the possible implementation of the first of the third aspect or the third aspect, in the possible implementation of the second of the third aspect, the metrical information of each arrowband comprises channel quality indicator (CQI) and/or the pre-coding matrix indication PMI information of each arrowband.
In conjunction with the possible implementation of the second of the third aspect, in the third possible implementation of the third aspect, described sending module is specifically for sending sequence code to described base station, index by described sequence code, send the time-domain resource that described sequence code uses or send frequency domain resource that described sequence code uses the described arrowband indication information of indicating default initialization arrowband, described initialization arrowband is an arrowband in all arrowbands.
In conjunction with the possible implementation of the second of the third aspect, in the 4th kind of possible implementation of the third aspect, described receiver module is also for receiving the accidental access response RAR returning for sequence code described base station; Described sending module is specifically for sending described sequence code to described base station, and sends message 3 to described base station after described receiver module receives described RAR, and described message 3 is carried described arrowband indication information.
In conjunction with the third possible implementation of the possible implementation of the second of the possible implementation of the first of the third aspect or the third aspect or the third aspect or the third aspect or the 4th kind of possible implementation of the third aspect, in the 5th kind of possible implementation of the third aspect, described sending module also, for according to default CQI feedback model, sends the arrowband CQI corresponding with described CQI feedback model to described base station.
In conjunction with the 5th kind of possible implementation of the third aspect, in the 6th kind of possible implementation of the third aspect, described sending module is used for according to default CQI feedback model, sends the arrowband CQI corresponding with described CQI feedback model comprise to described base station:
Described sending module specifically for select aperiodic user arrowband CQI pattern time, according to the mapping relations of system bandwidth and subband number, calculate a CQI of M selected sub-band averaging quality of reaction, and according to the CQI of a described CQI and default standard narrowband, obtain the first differential CQI, described the first differential CQI is sent to described base station, wherein, described standard narrowband is in all arrowbands, and wherein, described standard narrowband is in all arrowbands; Or
Described sending module is when at described CQI feedback model being the arrowband CQI pattern of 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 CQI of described the 2nd CQI and default standard narrowband, obtain the second differential CQI, described the second differential CQI is sent to described base station; Or
When arrowband CQI pattern that described sending module is selected specifically for the user that is the cycle at described CQI feedback model, according to the mapping relations of system bandwidth and subband number and portions of bandwidth, calculate the 3rd CQI of selected subband in the each portions of bandwidth of reaction, and described the 3rd CQI is sent to described base station; Or
Described sending module when at described CQI feedback model being the broadband CQI pattern in aperiodic broadband CQI pattern or cycle, sends to described base station by the CQI of described standard narrowband.
Fourth aspect provides a kind of base station, comprising:
Sending module, for before terminal equipment accesses place, described base station network, send narrow band information to described terminal equipment, described narrow band information carries the position of each arrowband that described base station marks off from system bandwidth, so that described terminal equipment obtains the metrical information of each arrowband;
Receiver module, the arrowband indication information sending at random access procedure according to the metrical information of each arrowband for receiving described terminal equipment;
Determination module, for according to described arrowband indication information, determines the work arrowband that described terminal equipment uses.
In the possible implementation of the first of fourth aspect, described sending module is specifically for before accessing described network at described terminal equipment, and to described end-point device broadcast high-level signaling, described high-level signaling comprises described narrow band information.
In conjunction with the possible implementation of the first of fourth aspect or fourth aspect, in the possible implementation of the second of fourth aspect, the metrical information of each arrowband comprises channel quality indicator (CQI) and/or the pre-coding matrix indication PMI information of each arrowband.
In conjunction with the possible implementation of the second of fourth aspect, in the third possible implementation of fourth aspect, the sequence code that described receiver module sends specifically for receiving described terminal equipment, index by described sequence code, send the time-domain resource that described sequence code uses or send frequency domain resource that described sequence code uses the described arrowband indication information that obtains default initialization arrowband, described initialization arrowband is an arrowband in all arrowbands.
In conjunction with the possible implementation of the second of fourth aspect, in the 4th kind of possible implementation of fourth aspect, the sequence code that described receiver module sends specifically for receiving described terminal equipment, and after returning to accidental access response RAR to described terminal equipment for described sequence code at described sending module, receive the message 3 that described terminal equipment sends, described message 3 is carried described arrowband indication information; Described sending module is also for sending the described RAR for described sequence code to described terminal equipment.
In conjunction with the third possible implementation of the possible implementation of the second of the possible implementation of the first of fourth aspect or fourth aspect or fourth aspect or fourth aspect or the 4th kind of possible implementation of fourth aspect, in the 5th kind of possible implementation of fourth aspect, arrowband CQI corresponding to the CQI feedback model with default that described receiver module also sends for receiving described terminal equipment.
In conjunction with the 5th kind of possible implementation of fourth aspect, in the 6th kind of possible implementation of fourth aspect, described receiver module comprises for arrowband CQI corresponding to the CQI feedback model with default that receives described terminal equipment transmission:
Described receiver module specifically at described CQI feedback model be aperiodic user select arrowband CQI pattern time, receive the first differential CQI that described terminal equipment sends, wherein, described terminal equipment is according to the mapping relations of system bandwidth and subband number, calculate a CQI of M selected sub-band averaging quality of reaction, and according to the CQI of a CQI and default standard narrowband, obtaining described the first differential CQI, described standard narrowband is in all arrowbands; Or
Described receiver module is when at described CQI feedback model being the arrowband CQI pattern of aperiodic high-rise configuration, receive the second differential CQI that described terminal equipment sends, wherein, described terminal equipment is according to the mapping relations of system bandwidth and subband number, calculate the 2nd CQI of each subband, and according to the CQI of the 2nd CQI and default standard narrowband, obtain described the second differential CQI; Or
When arrowband CQI pattern that described receiver module is selected specifically for the user that is the cycle at described CQI feedback model, receive the 3rd CQI that described terminal equipment sends, wherein, described terminal equipment, according to the mapping relations of system bandwidth and subband number and portions of bandwidth, calculates described the 3rd CQI of selected subband in the each portions of bandwidth of reaction; Or
Described receiver module when at described CQI feedback model being the broadband CQI pattern in aperiodic broadband CQI pattern or cycle, receives the CQI of the described standard narrowband that described terminal equipment sends.
Method is determined in the work arrowband that the embodiment of the present invention provides, terminal equipment and base station, base station is by the position of the each arrowband marking off from system bandwidth, and terminal equipment is according to the position of each arrowband, on each arrowband, measure, obtain the metrical information of each arrowband, then according to the metrical information of each arrowband, to transmission arrowband, base station indication information, make base station determine according to this arrowband indication information the work arrowband that terminal equipment uses, determine the position of the work arrowband of terminal equipment use, solve the problem of the position of definite terminal equipment work arrowband.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The flow chart of method is determined in a kind of work arrowband that Fig. 1 provides for the embodiment of the present invention;
The schematic diagram of dividing arrowband in system bandwidth that Fig. 2 provides for the embodiment of the present invention;
The flow chart of method is determined in the another kind work arrowband that Fig. 3 provides for the embodiment of the present invention;
The structural representation of a kind of terminal equipment that Fig. 4 provides for the embodiment of the present invention;
The structural representation of the another kind of terminal equipment that Fig. 5 provides for the embodiment of the present invention;
The structural representation of a kind of base station that Fig. 6 provides for the embodiment of the present invention;
The structural representation of the another kind of base station that Fig. 7 provides for the embodiment of the present invention.
Embodiment
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The flow chart of method is determined in a kind of work arrowband that Fig. 1 provides for the embodiment of the present invention.As shown in Figure 1, the method for the present embodiment comprises:
Step 101, terminal equipment, before access network, receive the narrow band information that the base station in network sends, and described narrow band information carries the position of each arrowband that base station marks off from system bandwidth.
Step 102, terminal equipment, according to the position of each arrowband, are measured on each arrowband, obtain the metrical information of each arrowband.
Step 103, terminal equipment be according to the metrical information of each arrowband, in random access procedure to transmission arrowband, base station indication information, so that the work arrowband that terminal equipment uses is determined according to described arrowband indication information in base station.
In the present embodiment, described terminal equipment refers to the terminal equipment in LTE system.The demand that realizes cost of M2M application being moved etc. to various needs from GSM or GPRS network to LTE network and reduce the terminal equipment based on LTE in order to meet picture, the bandwidth of operation that the present embodiment is supported by minimizing terminal equipment reduces the cost of realizing of terminal equipment.Reduce the bandwidth of operation that terminal equipment is supported, the support for narrowband terminal will be provided exactly in existing broadband network system.In order to support narrowband terminal in broadband system, base station need to mark off one or more arrowbands in whole system bandwidth, accesses and transfer of data for narrowband terminal.As shown in Figure 2, the whole longitudinal axis represents system bandwidth to a kind of situation that base station marks off arrowband in whole system bandwidth, and transverse axis represents the time, represents the arrowband marking off with the rectangular strip of oblique line.
In actual applications, owing to adopting the technology that reduces the reduction terminal equipment costs such as bandwidth of operation, can make the descending covering of system lose; Meanwhile, for the terminal equipment in the particular surroundingss such as basement, the transmission loss of its up-downgoing is all larger, for example, generally need to consider the transmission loss of 20dB, and the up-downgoing of system covers and all loses.For these scenes, if terminal equipment is narrowband terminal, so, clearly know the arrowband that terminal equipment uses, can on corresponding arrowband, use coverage enhancement technology, thereby increase system is for the coverage of above-mentioned terminal equipment.Therefore, determine that the arrowband that terminal equipment uses just becomes more urgent.
In the present embodiment, in order to determine terminal equipment specific works is on which arrowband, after base station marks off one or more arrowbands in system bandwidth, before the network of access base station place, the position of each arrowband is sent to terminal equipment by narrow band information at terminal equipment.Like this, terminal equipment receives after the narrow band information that base station sends, and just can know the position of base station from each arrowband of marking off in system bandwidth, further can also determine that base station is from information such as the numbers of the arrowband that marks off in system bandwidth.Wherein, the position of each arrowband can represent by the frequency range of each arrowband.In addition, base station also can, for the arrowband marking off identifies, then represent the position of each arrowband by the mark of each arrowband.
After terminal equipment is known the position of each arrowband, according to the position of each arrowband, on each arrowband, measure, thereby obtain the metrical information of each arrowband.The metrical information of arrowband refers to the performance index of signal quality when characterize terminal equipment communicates on this arrowband, or the precoding indication information of expecting, the metrical information of for example arrowband can comprise channel quality indication (the Channel QualityIndicator of arrowband, referred to as CQI) and/or pre-coding matrix indication (Precoding Matrix Indicator, referred to as PMI) information etc.
Then, terminal equipment, according to the metrical information of each arrowband, generates arrowband indication information, and in random access procedure, described arrowband indication information is sent to base station, makes base station determine according to described arrowband indication information the work arrowband that terminal equipment uses.Due to terminal equipment did not have corresponding passage before access network can be to base station reporting information, therefore, the terminal equipment of the present embodiment adopts some message or the resource in random access procedure to report described arrowband indication information to base station.
In the present embodiment, base station is by the position of the each arrowband marking off from system bandwidth, and terminal equipment is according to the position of each arrowband, on each arrowband, measure, obtain the metrical information of each arrowband, then according to the metrical information of arrowband, in random access procedure to transmission arrowband, base station indication information, make base station determine according to this arrowband indication information the work arrowband that terminal equipment uses, the position of determining the work arrowband of terminal equipment use, has solved the problem of the position of the arrowband of definite terminal equipment work.
In an optional execution mode, a kind of execution mode of step 101 comprises: terminal equipment, before access network, receives the high-level signaling of base station broadcast, and described high-level signaling comprises above-mentioned narrow band information.
Optionally, terminal equipment is before access network, the high-level signaling that receives base station broadcast comprises: terminal equipment is before access network, receive Physical Broadcast Channel (the Physical BroadcastChannel of base station broadcast, referred to as PBCH), this PBCH carries the position of each arrowband that base station marks off from system bandwidth.Or, terminal equipment is before access network, receiving the high-level signaling of base station broadcast comprises: terminal equipment, before access network, receives the system message of base station broadcast, and this system message carries the position of each arrowband that base station marks off from system bandwidth.
In an optional execution mode, a kind of execution mode of step 103 comprises: terminal equipment sends sequence code to base station, index by described sequence code, sends the time-domain resource that described sequence code uses or send frequency domain resource that described sequence code uses the described arrowband indication information of indicating default initialization arrowband.Concrete, terminal equipment and the base station initialization arrowband of making an appointment, terminal equipment by above-mentioned initialization arrowband to base station initiating random access procedure, and by the random access resource in random access procedure, for example sequence code, time-domain resource or frequency domain resource are carried described arrowband indication information.For example, terminal equipment can with the index of sequence code, send described sequence code time-domain resource ID or send the random access resources such as the ID of the frequency domain resource of described sequence code and indicate described arrowband indication information.
Optionally, the amount of information that can carry based on above-mentioned random access resource is limited, indicate in the execution mode of described arrowband indication information at use random access resource, terminal equipment can with the initialization arrowband of making an appointment, base station, when can working for terminal equipment on described initialization arrowband, arrowband indication information expects the information of the PMI of base station use, this PMI information is the PMI information of initialization arrowband, and described initialization arrowband is an arrowband in all arrowbands of marking off from system bandwidth, base station.That is to say the PMI information (expecting the PMI information that base station is used when terminal equipment is operated on initialization arrowband) of initialization arrowband when terminal equipment can show that indicating terminal equipment is operated in described initialization arrowband with the index of sequence code, the ID of time-domain resource that sends described sequence code or the random access resource such as ID that sends the frequency domain resource of described sequence code.
In this embodiment, base station receives after the sequence code of terminal equipment transmission, can be by the frequency domain resource of the index of sequence code, the time-domain resource that sends sequence code or transmission sequence code, obtain the terminal equipment that terminal equipment sends and expect the PMI information that base station is used while being operated on described initialization arrowband, then on described initialization arrowband, use described PMI information and terminal to communicate.
In an optional execution mode, the another kind of execution mode of step 103 comprises: terminal equipment sends sequence code to base station; Terminal equipment receives the accidental access response (RAR) that base station is returned according to this sequence code; Terminal equipment sends message 3 to base station, described message 3 carries arrowband indication information.Concrete, terminal equipment and the base station initial specialized narrowband of making an appointment, terminal equipment passes through this initial specialized narrowband to base station initiating random access procedure, and indicates described arrowband indication information by the message 3 in random access procedure.
Optionally, because 3 amount of information that can carry of message are larger, so carrying with message 3 in the execution mode of arrowband indication information, described arrowband indication information can comprise: CQI and/or the PMI of each arrowband in the position of at least one arrowband and at least one arrowband in all arrowbands.For example, for arrowbands all in whole system bandwidth, terminal equipment can sort according to the CQI of each arrowband and/or PMI, then by message 3 to the position of all or part of arrowband of base station feedback and CQI and/or the PMI of all or part of arrowband feeding back.
In this embodiment, base station receives after the message 3 of terminal equipment transmission, from message 3, obtain the position of all or part of arrowband and CQI and/or the PMI of all or part of arrowband that feeds back of terminal equipment feedback, then according to CQI and/or the PMI of the arrowband of terminal equipment feedback, the arrowband feeding back from terminal equipment, select a work arrowband using as terminal equipment.Further, determining behind the work arrowband that terminal equipment uses, the position of the work arrowband that base station need to be used determined terminal equipment sends to terminal equipment, so that terminal equipment is known used work arrowband, this work arrowband of follow-up use communicates.
In this explanation, larger based on 3 amount of information that can carry of message, so terminal equipment can be used the metrical information of CQI as each arrowband, also can use the metrical information of PMI as each arrowband, can also use CQI and the PMI metrical information as each arrowband simultaneously.
Optionally, carrying with message 3 in the execution mode of arrowband indication information, described arrowband indication information can also be the position of arrowband and CQI and/or the PMI of the arrowband that described terminal equipment request is operated in that terminal equipment request is operated in.
From above-mentioned, terminal equipment passes through to base station initiating random access procedure, use random access resource or message 3 in random access procedure that arrowband indication information is sent to base station, make base station can determine the arrowband that terminal equipment uses, there is advantage flexible, timely, that be easy to realization.Here advantage refers to and before completing access, just can complete determining of terminal equipment work arrowband timely, and after need not by the time having accessed, measure again, report with arrowband selection etc.
In existing CQI feedback mechanism, what base station required terminal equipment feedback is broadband CQI or the differential CQI based on broadband CQI, and when terminal equipment is operated in behind arrowband, terminal equipment is to have no idea to obtain broadband CQI or the differential CQI based on broadband CQI.That is to say, make to be operated in the terminal equipment of arrowband can be successfully be to need another problem of solving to base station feedback CQI.Based on this, the work arrowband that the present embodiment provides determines that method also comprises: terminal equipment is according to default CQI feedback model, send the arrowband CQI corresponding with this CQI feedback model to base station, be operated in the terminal equipment of arrowband to the problem of base station feedback CQI thereby solve.
Concrete, in order to adapt with existing CQI feedback mechanism, the CQI feedback model of the present embodiment also comprises: the arrowband CQI pattern (UE Selected subband CQI mode) that aperiodic user selects, arrowband CQI pattern (Higher layer-configured subband mode) and the aperiodic broadband CQI pattern of aperiodic high-rise configuration, and the arrowband CQI pattern of the user in cycle selection and the broadband CQI pattern in cycle.In order to adapt with existing CQI feedback mechanism as far as possible, in the present embodiment, terminal equipment and base station are arranged a standard narrowband in advance from all arrowbands, replace the so-called broadband in existing CQI feedback mechanism by this standard narrowband.For example, terminal equipment and base station can be predetermined maximum the or minimum arrowband of ID as standard narrowband.Again for example, the arrowband that can settle the standard, base station, and by high-level signaling, for example system message, or by CQI configuration signal, standard narrowband is configured to terminal equipment.Again for example, terminal equipment can oneself be selected an arrowband as standard narrowband, and definite standard narrowband is reported to base station, for example, can report base station etc. with CQI feedback.
Based on determining of standard narrowband, above-mentioned terminal equipment, according to default CQI feedback model, sends the arrowband CQI corresponding with described CQI feedback model and comprises to base station:
If CQI feedback model is the arrowband CQI pattern that aperiodic user selects, described terminal equipment is according to the mapping relations of system bandwidth and subband number, calculate a CQI of M selected sub-band averaging quality of reaction, and according to the CQI of a CQI and default standard narrowband, obtain the first differential CQI, the first differential CQI is sent to base station.
If CQI feedback model is the arrowband CQI pattern of aperiodic high-rise configuration, described terminal equipment is according to the mapping relations of system bandwidth and subband number, calculate the 2nd CQI of each subband, and according to the CQI of the 2nd CQI and default standard narrowband, obtain the second differential CQI, the second differential CQI is sent to base station.
If the arrowband CQI pattern that the user that CQI feedback model is the cycle selects, described terminal equipment is according to the mapping relations of system bandwidth and subband number and portions of bandwidth (bandwidth part), calculate the 3rd CQI of selected subband in the each portions of bandwidth of reaction, and the 3rd CQI is sent to base station.The standard narrowband is here to determine from all arrowbands in the manner described above.
If CQI feedback model is the broadband CQI pattern in aperiodic or cycle, the CQI of standard narrowband is sent to base station by terminal equipment.
Wherein, the mapping relations of system bandwidth and subband number can be because system different and different.As shown in table 1 be in LTE system for aperiodic CQI feedback model a kind of system bandwidth and the mapping relations of subband size and subband number.
Table 1
Figure BDA00002416441900141
Optionally, the size of the size of the arrowband that base station the marks off each subband corresponding with corresponding system bandwidth in prior art may be different, this terminal equipment that is operated in arrowband with regard to giving brings puzzlement, and also can explain that the CQI of terminal equipment feedback brings certain difficulty to base station.Based on this, the present embodiment provides a kind of solution, the size that is each arrowband of marking off with base station of the size of subband corresponding to system bandwidth is identical, or the size of subband corresponding to system bandwidth is big or small multiple or the approximate number of each arrowband of marking off, base station.For example, if the size of the arrowband that base station marks off from system bandwidth is 6RBs, in this system bandwidth, the size of subband is also 6RBs.In addition, the arrowband of formed objects also can, according to the size of subband in system bandwidth, be divided in base station from system bandwidth, if for example in system bandwidth the size of subband be 4RBs, the size of the arrowband that base station marks off is also 4RBs.
Based on this, the mapping relations of existing system bandwidth and subband size can be revised in base station.Take the size of arrowband as 6RBs is as example, as shown in table 2 is the amended system bandwidth of arrowband CQI feedback model and a kind of mapping relations of subband size for aperiodic high-rise configuration, and as shown in table 3 is for a kind of system bandwidth of arrowband CQI feedback model of aperiodic user's selection and the mapping relations of the subband number M of subband size and selection.Table 4 is depicted as a kind of bandwidth of the arrowband CQI pattern of selecting for the user in cycle and the relation of subband size and portions of bandwidth size.
Table 2
Table 3
Figure BDA00002416441900151
Table 4
Figure BDA00002416441900152
From above-mentioned table 2, table 3 and table 4, for the CQI feedback model of narrowband terminal, base station is revised as 6RBs or is approximately several RBs of 6 unified the subband size in all system bandwidths.Wherein, the arrowband size that terminal equipment is supported is 6RBs, and just an example value is not limited to this.
From above-mentioned, the bandwidth of operation that the present embodiment provides determines that method has not only solved the problem of the arrowband that definite terminal equipment uses, also solved the terminal equipment that is operated in arrowband to the problem of base station feedback CQI simultaneously, make terminal equipment can be operated in arrowband, and then move and lay the foundation to LTE network from GMS or GPRS network for M2M application, be conducive to the number of the Access Network that reduces operator's maintenance to reduce the maintenance cost of whole network.
The flow chart of method is determined in the another kind work arrowband that Fig. 3 provides for the embodiment of the present invention.As shown in Figure 3, the method for the present embodiment comprises:
Step 301, base station are before the network of terminal equipment access base station place, send narrow band information to terminal equipment, described narrow band information carries the position of each arrowband that base station marks off from system bandwidth, so that terminal equipment obtains the metrical information of each arrowband.
The arrowband indication information that step 302, base station receiving terminal apparatus send in random access procedure according to the metrical information of each arrowband.
The work arrowband that terminal equipment uses, according to described arrowband indication information, is determined in step 303, base station.
In the present embodiment, described terminal equipment refers to the terminal equipment in LTE system.The demand that realizes cost of M2M application being moved etc. to various needs from GSM or GPRS network to LTE network and reduce the terminal equipment based on LTE in order to meet picture, the bandwidth of operation that the present embodiment is supported by minimizing terminal equipment reduces the cost of realizing of terminal equipment.Reduce the bandwidth of operation that terminal equipment is supported, the support for narrowband terminal will be provided exactly in existing broadband network system.In order to support narrowband terminal in broadband system, base station need to mark off one or more arrowbands in whole system bandwidth, accesses and transfer of data for narrowband terminal.A kind of situation that base station marks off arrowband in whole system bandwidth as shown in Figure 2.
In actual applications, owing to adopting the technology that reduces the reduction terminal equipment costs such as bandwidth of operation, can make descending covering lose; Simultaneously, for the terminal equipment in the particular surroundingss such as basement, the transmission loss of its up-downgoing is all larger, for example, generally need to consider the transmission loss of 20dB, so need to take corresponding coverage enhancement technology, the same with what guarantee that the coverage of terminal equipment can be with conventional terminal equipment.For these scenes, if terminal equipment is narrowband terminal, so, clearly know the arrowband that terminal equipment uses, can on corresponding arrowband, use coverage enhancement technology, thereby increase system is for the coverage of above-mentioned terminal equipment.Therefore, determine that the arrowband that terminal equipment uses just becomes more urgent.
In the present embodiment, in order to determine terminal equipment specific works is on which arrowband, after base station marks off one or more arrowbands in system bandwidth, before the network of access base station place, the position of each arrowband is sent to terminal equipment by narrow band information at terminal equipment.Like this, terminal equipment receives after the narrow band information that base station sends, and just can know the position of base station from each arrowband of marking off in system bandwidth, further can also determine that base station is from information such as the numbers of the arrowband that marks off in system bandwidth.Wherein, the position of each arrowband can represent by the frequency range of each arrowband.In addition, base station also can, for the arrowband marking off identifies, then represent the position of each arrowband by the mark of each arrowband.
After terminal equipment is known the position of each arrowband, according to the position of each arrowband, on each arrowband, measure, thereby obtain the metrical information of each arrowband.The metrical information of arrowband can comprise CQI and/or the PMI information etc. of arrowband.Then, terminal equipment, according to the metrical information of each arrowband, generates arrowband indication information, and in random access procedure, arrowband indication information is sent to base station.The arrowband indication information that base station receiving terminal apparatus sends in random access procedure, and according to arrowband indication information, determine the work arrowband that terminal equipment uses, thus solve the problem of the arrowband of determining terminal equipment use.
In an optional execution mode, a kind of execution mode of step 301 comprises: base station is before the network of terminal equipment access base station place, and to end-point device broadcast high-level signaling, this high-level signaling comprises above-mentioned narrow band information.
Optionally, base station is before the network of terminal equipment access base station place, comprise to end-point device broadcast high-level signaling: base station is before the network of terminal equipment access base station place, and to end-point device broadcast PBCH, this PBCH carries the position of each arrowband that base station marks off from system bandwidth.Or, base station is before the network of terminal equipment access base station place, comprise to end-point device broadcast high-level signaling: base station is before the network of terminal equipment access base station place, to end-point device broadcast system message, this system message carries the position of each arrowband that base station marks off from system bandwidth.
In an optional execution mode, a kind of execution mode of step 302 comprises: the sequence code that base station receiving terminal apparatus sends, obtain the arrowband indication information of indicating default initialization arrowband by the use frequency domain resource of the index of sequence code, the use time-domain resource that sends sequence code or transmission sequence code.Concrete, base station and the terminal equipment initialization arrowband of making an appointment, terminal equipment can be to base station initiating random access procedure by this initialization arrowband, and by the random access resource in random access procedure, for example sequence code, time-domain resource or frequency domain resource are carried described arrowband indication information.Accordingly, the sequence code that base station receiving terminal apparatus sends, obtains the arrowband indication information of indicating default initialization arrowband according to the use frequency domain resource of the index of sequence code, the use time-domain resource that sends sequence code or transmission sequence code.Described initialization arrowband is an arrowband in all arrowbands of marking off, base station.In this embodiment, base station can directly determine that default initialization arrowband is the work arrowband that terminal equipment uses.
In this embodiment, because the amount of information that above-mentioned random access resource can carry is limited, so arrowband indication information can comprise: expect the PMI information that base station is used when the PMI(terminal equipment of initialization arrowband is operated in initialization arrowband when terminal equipment is operated in initialization arrowband).Based on this, base station can be used this arrowband indication information indicated PMI information and terminal equipment to communicate on initialization arrowband.
In an optional execution mode, the another kind of execution mode of step 302 comprises: the sequence code that base station receiving terminal apparatus sends, base station sends the RAR for this sequence code to terminal equipment, the message 3 that base station receiving terminal apparatus sends, and this message 3 carries described arrowband indication information.
Optionally, because 3 amount of information that can carry of message are larger, in this embodiment, arrowband indication information can comprise: the CQI of each arrowband and/or PMI information in the position of at least one arrowband and at least one arrowband in all arrowbands.Here at least one arrowband can be that terminal equipment sorts according to the CQI of each arrowband and/or PMI information, then all or part of arrowband to base station feedback by message 3.
Based on this, the optional execution mode of another kind of step 303 comprises: the work arrowband that terminal equipment uses, according to CQI and/or the PMI information of each arrowband in the position of at least one arrowband of terminal equipment feedback and at least one arrowband, is determined in base station from least one arrowband.
Further, base station is according to CQI and/or the PMI information of each arrowband in the position of at least one arrowband of terminal equipment feedback and at least one arrowband, determine the work arrowband of terminal equipment use from least one arrowband after, the positional information of the work arrowband that base station is used determined terminal equipment sends to terminal equipment, so that terminal equipment is known used work arrowband, and communicate in this work arrowband of follow-up use.
Based on the another kind of execution mode of above-mentioned steps 302, optional, arrowband indication information can comprise: the CQI of the arrowband that the position of the arrowband that terminal equipment request is operated in and terminal equipment request are operated in and/or PMI information.Based on this, another execution mode of step 303 comprises: base station is according to CQI and/or the PMI information of the arrowband of the position of the arrowband of terminal equipment request work and terminal equipment request work, and the arrowband of determining terminal equipment request work is the work arrowband that terminal equipment uses.
From above-mentioned, terminal equipment passes through to base station initiating random access procedure, use random access resource or message 3 in random access procedure that arrowband indication information is sent to base station, and the arrowband indication information that base station can send according to terminal equipment in random access procedure is determined the work arrowband that terminal equipment uses, there is advantage flexible, timely, that be easy to realization.
In the present embodiment, in order to solve the terminal equipment that is operated in arrowband to the problem of base station feedback CQI, the method for the present embodiment also comprises: arrowband CQI corresponding to the CQI feedback model with default that base station receiving terminal apparatus sends.
Concrete, arrowband CQI corresponding to the CQI feedback model with default that base station receiving terminal apparatus sends comprises: if CQI feedback model is the arrowband CQI pattern that aperiodic user selects, the first differential CQI that base station receiving terminal apparatus sends, wherein, terminal equipment is according to the mapping relations of system bandwidth and subband number, calculate a CQI of M selected sub-band averaging quality of reaction, and according to the CQI of a CQI and default standard narrowband, obtain the first differential CQI, described standard narrowband is in all arrowbands.
If CQI feedback model is the arrowband CQI pattern of aperiodic high-rise configuration, the second differential CQI that base station receiving terminal apparatus sends, wherein, terminal equipment is according to the mapping relations of system bandwidth and subband number, calculate the 2nd CQI of each subband, and according to the CQI of the 2nd CQI and default standard narrowband, obtain the second differential CQI.
If the arrowband CQI pattern that the user that CQI feedback model is the cycle selects, the 3rd CQI that base station receiving terminal apparatus sends, wherein, terminal equipment, according to the mapping relations of system bandwidth and subband number and portions of bandwidth, calculates the 3rd CQI of selected subband in the each portions of bandwidth of reaction.
If CQI feedback model is the broadband CQI pattern in aperiodic or cycle, the CQI of the described standard narrowband that base station receiving terminal apparatus sends.
Optionally, the size of the size of the each arrowband subband corresponding with described system bandwidth is identical.Or the size of subband corresponding to system bandwidth is big or small multiple or the approximate number of each arrowband of marking off, base station.
The detailed description of the QCI sending about above-mentioned base station receiving terminal apparatus can, referring to above-described embodiment, not repeat them here.
In sum, the bandwidth of operation that the present embodiment provides determines that method has not only solved the problem of the arrowband that definite terminal equipment uses, also solved the terminal equipment that is operated in arrowband to the problem of base station feedback CQI simultaneously, make terminal equipment can be operated in arrowband, and then move and lay the foundation to LTE network from GMS or GPRS network for M2M application, be conducive to the number of the Access Network that reduces operator's maintenance to reduce the maintenance cost of whole network.
The structural representation of a kind of terminal equipment that Fig. 4 provides for the embodiment of the present invention.As shown in Figure 3, the terminal equipment of the present embodiment comprises: receiver module 41, measurement module 42 and sending module 43.
Receiver module 41, for before terminal equipment access network, receives the narrow band information that the base station in network sends, and described narrow band information carries the position of each arrowband that base station marks off from system bandwidth.
Measurement module 42, is connected with receiver module 41, for the position of each arrowband of receiving according to receiver module 41, on each arrowband, measures, and obtains the metrical information of each arrowband.
Sending module 43, be connected with measurement module 42, for the metrical information of each arrowband of obtaining according to measurement module 42, in random access procedure to transmission arrowband, base station indication information, so that the work arrowband that the present embodiment terminal equipment uses is determined according to described arrowband indication information in base station.
In an optional execution mode, receiver module 41 is specifically used in before the present embodiment terminal equipment accesses described network, receives the high-level signaling of described base station broadcast, and described high-level signaling comprises described narrow band information.
For example, receiver module 41 is specifically used in before the present embodiment terminal equipment accesses described network, receives the PBCH of described base station broadcast, or, receiver module 41 is specifically used in before the present embodiment terminal equipment accesses described network, receives the system message of described base station broadcast.
Wherein, the metrical information of each arrowband comprises CQI and/or the PMI information of each arrowband.
Metrical information based on each arrowband comprises CQI and/or the PMI information of each arrowband, in a kind of optional execution mode, sending module 43 specifically can be used for sending to described base station sequence code, index by described sequence code, sends the time-domain resource that described sequence code uses or send frequency domain resource that described sequence code uses the described arrowband indication information of indicating default initialization arrowband.Initialization arrowband is an arrowband in all arrowbands of marking off, base station.Optionally, described arrowband indication information can comprise: the PMI information of initialization arrowband when the present embodiment terminal equipment is operated in initialization arrowband (expecting the PMI information that base station is used when terminal equipment is operated in initialization arrowband).
Metrical information based on each arrowband comprises CQI and/or the PMI information of each arrowband, in another kind of optional execution mode, and the RAR that receiver module 41 also returns for sequence code for receiving described base station.Sending module 43 specifically can be used for sending described sequence code to described base station, and sends message 3 to described base station after described receiver module receives described RAR, and described message 3 is carried described arrowband indication information.
Optionally, arrowband indication information can comprise: CQI and/or the PMI information of each arrowband in the position of at least one arrowband and described at least one arrowband in all arrowbands.Receiver module 41 is also for receiving the position of the described work arrowband that described base station sends.
Optionally, arrowband indication information can comprise: CQI and/or the PMI information of the arrowband of the position of the arrowband of the present embodiment terminal equipment request work and the present embodiment terminal equipment request work.
In an optional execution mode, sending module 43 also, for according to default CQI feedback model, sends the arrowband CQI corresponding with described CQI feedback model to described base station.
For example, when sending module 43 is specifically used in that aperiodic user selects arrowband CQI pattern, according to the mapping relations of system bandwidth and subband number, calculate a CQI of reaction M selected sub-band averaging quality, and according to the CQI of a described CQI and default standard narrowband, obtain the first differential CQI, described the first differential CQI is sent to described base station, and wherein, described standard narrowband is in all arrowbands, wherein, described standard narrowband is in all arrowbands.Or
When sending module 43 is specifically used in described CQI feedback model and is the arrowband CQI pattern of 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 CQI of described the 2nd CQI and default standard narrowband, obtain the second differential CQI, described the second differential CQI is sent to described base station.Or
When sending module 43 is specifically used in that user that described CQI feedback model is the cycle selects arrowband CQI pattern, according to the mapping relations of system bandwidth and subband number and portions of bandwidth, calculate the 3rd CQI of selected subband in the each portions of bandwidth of reaction, and described the 3rd CQI is sent to described base station.Or
When sending module 43 is specifically used in described CQI feedback model and is the broadband CQI pattern in aperiodic broadband CQI pattern or cycle, the CQI of described standard narrowband is sent to described base station.
In an optional execution mode, the size of the size of the each arrowband subband corresponding with described system bandwidth is identical.Or the size of subband corresponding to described system bandwidth is big or small multiple or the approximate number of each arrowband.
Each functional module of the terminal equipment that the present embodiment provides can be used for the flow process of embodiment of the method shown in execution graph 1, and its specific works principle repeats no more, and refers to the description of embodiment of the method.
The terminal equipment that the present embodiment provides, the position of the each arrowband marking off from system bandwidth sending according to base station, on each arrowband, measure, obtain the metrical information of each arrowband, then according to the metrical information of each arrowband, by to base station initiating random access procedure, use random access resource or message 3 in random access procedure that arrowband indication information is sent to base station, make base station can determine the arrowband that terminal equipment uses, there is advantage flexible, timely, that be easy to realization.
The structural representation of the another kind of terminal equipment that Fig. 5 provides for the embodiment of the present invention.As shown in Figure 5, the terminal equipment of the present embodiment comprises: communication interface 51, processor 52 and memory 53.
Communication interface 51, for before terminal equipment access network, receive the narrow band information that the base station in network sends, described narrow band information carries the position of each arrowband that base station marks off from system bandwidth, and the arrowband indication information providing to base station sending processor 52 in random access procedure, so that the work arrowband that the present embodiment terminal equipment uses is determined according to described arrowband indication information in base station.
Memory 53, for depositing program.Concrete, program can comprise program code, described program code comprises computer-managed instruction.Memory 53 may comprise high-speed RAM memory, also may also comprise nonvolatile memory (non-volatile memory), for example at least one magnetic disc store.
Processor 52, the program of depositing for execute store 53, for the position of each arrowband of receiving according to communication interface 51, on each arrowband, measure, obtain the metrical information of each arrowband, according to the metrical information of each arrowband, generate arrowband indication information, and arrowband indication information is offered to communication interface 51.
Processor 52 may be a central processing unit (Central Processing Unit, referred to as CPU), or specific integrated circuit (Application Specific Integrated Circuit, referred to as ASIC), or be configured to implement one or more integrated circuits of the embodiment of the present invention.
In an optional execution mode, communication interface 51 is specifically used in before the present embodiment terminal equipment accesses described network, receives the high-level signaling of described base station broadcast, and described high-level signaling comprises described narrow band information.
For example, communication interface 51 is specifically used in before the present embodiment terminal equipment accesses described network, receives the PBCH of described base station broadcast, or, communication interface 51 is specifically used in before the present embodiment terminal equipment accesses described network, receives the system message of described base station broadcast.
Wherein, the metrical information of each arrowband comprises CQI and/or the PMI information of each arrowband.
Metrical information based on each arrowband comprises CQI and/or the PMI information of each arrowband, in a kind of optional execution mode, communication interface 51 is concrete available sends sequence code to described base station, index by described sequence code, sends the time-domain resource that described sequence code uses or send frequency domain resource that described sequence code uses the described arrowband indication information of indicating default initialization arrowband.Initialization arrowband is an arrowband in all arrowbands of marking off, base station.Optionally, described arrowband indication information can comprise: the PMI information of initialization arrowband when the present embodiment terminal equipment is operated in initialization arrowband (expecting the PMI information that base station is used when terminal equipment is operated in initialization arrowband).
Metrical information based on each arrowband comprises CQI and/or the PMI information of each arrowband, in another kind of optional execution mode, communication interface 51 specifically can be used for sending described sequence code to described base station, receive the RAR that described base station is returned for sequence code, send message 3 to described base station afterwards, described message 3 is carried described arrowband indication information.
Optionally, arrowband indication information can comprise: CQI and/or the PMI information of each arrowband in the position of at least one arrowband and described at least one arrowband in all arrowbands.Communication interface 51 is also for receiving the position of the described work arrowband that described base station sends.
Optionally, arrowband indication information can comprise: CQI and/or the PMI information of the arrowband of the position of the arrowband of the present embodiment terminal equipment request work and the present embodiment terminal equipment request work.
In an optional execution mode, communication interface 51 also, for according to default CQI feedback model, sends the arrowband CQI corresponding with described CQI feedback model to described base station.
For example, processor 52 also for select aperiodic user arrowband CQI pattern time, according to the mapping relations of system bandwidth and subband number, calculate a CQI of M selected sub-band averaging quality of reaction, and according to the CQI of a described CQI and default standard narrowband, obtain the first differential CQI, described the first differential CQI is offered to communication interface 51.The first differential CQI that communication interface 51 specifically can be used for processor 52 to provide sends to described base station, and wherein, described standard narrowband is in all arrowbands, and wherein, described standard narrowband is in all arrowbands.Or
Processor 52 is also when at described CQI feedback model being the arrowband CQI pattern of 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 CQI of described the 2nd CQI and default standard narrowband, obtain the second differential CQI, described the second differential CQI is offered to communication interface 51.The second differential CQI that communication interface 51 specifically can be used for processor 52 to provide sends to described base station.Or
When arrowband CQI pattern that processor 52 is also selected for the user that is the cycle at described CQI feedback model, according to the mapping relations of system bandwidth and subband number and portions of bandwidth, calculate the 3rd CQI of selected subband in the each portions of bandwidth of reaction, and described the 3rd CQI is offered to communication interface 51.The 3rd CQI that communication interface 51 specifically can be used for processor 52 to provide sends to described base station.Or
When communication interface 51 is specifically used in described CQI feedback model and is the broadband CQI pattern in aperiodic broadband CQI pattern or cycle, the CQI of described standard narrowband is sent to described base station.
In an optional execution mode, the size of the size of the each arrowband subband corresponding with described system bandwidth is identical.Or the size of subband corresponding to described system bandwidth is big or small multiple or the approximate number of each arrowband.
Optionally, if communication interface 51, processor 52 and the separate realization of memory 53, communication interface 51, processor 52 and memory 53 can interconnect and complete mutual communicating by letter by bus.Described bus can be industry standard architecture (Industry Standard Architecture, referred to as ISA) bus, peripheral component interconnect (Peripheral Component, referred to as PCI) bus or extended industry-standard architecture (Extended Industry Standard Architecture, referred to as EISA) bus etc.Described bus can be divided into address bus, data/address bus, control bus etc.For ease of representing, in Fig. 5, only represent with a thick line, but do not represent only to have the bus of a bus or a type.
If communication interface 51, processor 52 and memory 53 are integrated on chip piece realize, communication interface 51, processor 52 and memory 53 can complete mutual communicating by letter by internal interface.
The terminal equipment that the present embodiment provides can be used for the flow process of embodiment of the method shown in execution graph 1, and its specific works principle repeats no more, and refers to the description of embodiment of the method.
The terminal equipment that the present embodiment provides, the position of the each arrowband marking off from system bandwidth sending according to base station, on each arrowband, measure, obtain the metrical information of each arrowband, then according to the metrical information of each arrowband, by to base station initiating random access procedure, use random access resource or message 3 in random access procedure that arrowband indication information is sent to base station, make base station can determine the arrowband that terminal equipment uses, there is advantage flexible, timely, that be easy to realization.
The structural representation of a kind of base station that Fig. 6 provides for the embodiment of the present invention.As shown in Figure 6, the base station of the present embodiment comprises: sending module 61, receiver module 62 and determination module 63.
Sending module 61, for before the network of terminal equipment access place, the present embodiment base station, send narrow band information to described terminal equipment, described narrow band information carries the position of each arrowband that the present embodiment base station marks off from system bandwidth, so that described terminal equipment obtains the metrical information of each arrowband.
Receiver module 62, the arrowband indication information sending at random access procedure according to the metrical information of each arrowband for receiving described terminal equipment.Receiver module 62 is connected with sending module 61.
Determination module 63, is connected with receiver module 62, for the arrowband indication information receiving according to receiver module 62, determines the work arrowband that described terminal equipment uses.
In an optional execution mode, sending module 61 is specifically used in before described terminal equipment accesses described network, and to described end-point device broadcast high-level signaling, described high-level signaling comprises described narrow band information.
For example, sending module 61 is specifically used in before described terminal equipment accesses described network, to described end-point device broadcast PBCH.Or sending module 61 is specifically used in before described terminal equipment accesses described network, to described end-point device broadcast system message.
Wherein, the metrical information of each arrowband comprises channel quality indicator (CQI) and/or the pre-coding matrix index PMI information of each arrowband.
In an optional execution mode, receiver module 62 specifically can be used for receiving the sequence code that described terminal equipment sends, and index by described sequence code, sends the time-domain resource that described sequence code uses or send frequency domain resource that described sequence code uses the described arrowband indication information that obtains the default initialization arrowband of indication.Described initialization arrowband is an arrowband in all arrowbands of marking off, base station.Based on this, determination module 63 can directly determine that initialization arrowband is the work arrowband that terminal equipment uses.
Optionally, described arrowband indication information comprises: the PMI information of initialization arrowband described in when described terminal equipment is operated in initialization arrowband.Based on this, base station can be used PMI information and the terminal equipment of this arrowband indication information indication to communicate on initialization arrowband.
In an optional execution mode, receiver module 62 specifically can be used for receiving the sequence code that described terminal equipment sends, and after returning to RAR to described terminal equipment for described sequence code at sending module 61, receive the message 3 that described terminal equipment sends, described message 3 is carried described arrowband indication information.Sending module 61 is also for sending the described RAR for described sequence code to described terminal equipment.
Optionally, described arrowband indication information comprises: CQI and/or the PMI information of each arrowband in the position of at least one arrowband and described at least one arrowband in all arrowbands.Determination module 36 specifically can be used for according to CQI and/or the PMI information of each arrowband in the position of described at least one arrowband and described at least one arrowband, determines described work arrowband from described at least one arrowband.Sending module 62 is also for sending to described terminal equipment by the position of described work arrowband.
Optionally, described arrowband indication information comprises: CQI and/or the PMI information of the arrowband of the position of the arrowband of described terminal equipment request work and described terminal equipment request work.Determination module 63 specifically can be used for according to CQI and/or the PMI information of the arrowband of the position of the arrowband of described terminal equipment request work and described terminal equipment request work, and the arrowband of determining described terminal equipment request work is described work arrowband.
In an optional execution mode, arrowband CQI corresponding to the CQI feedback model with default that receiver module 62 also sends for receiving described terminal equipment.
For example, receiver module 62 be specifically used in described CQI feedback model be aperiodic user select arrowband CQI pattern time, receive the first differential CQI that described terminal equipment sends, wherein, described terminal equipment is according to the mapping relations of system bandwidth and subband number, calculates a CQI of M selected sub-band averaging quality of reaction, and according to the CQI of a CQI and default standard narrowband, obtain described the first differential CQI, described standard narrowband is in all arrowbands.Or
When receiver module 62 is specifically used in described CQI feedback model and is the arrowband CQI pattern of aperiodic high-rise configuration, receive the second differential CQI that described terminal equipment sends, wherein, described terminal equipment is according to the mapping relations of system bandwidth and subband number, calculate the 2nd CQI of each subband, and according to the CQI of the 2nd CQI and default standard narrowband, obtain described the second differential CQI.Or
When receiver module 62 is specifically used in that user that described CQI feedback model is the cycle selects arrowband CQI pattern, receive the 3rd CQI that described terminal equipment sends, wherein, described terminal equipment, according to the mapping relations of system bandwidth and subband number and portions of bandwidth, calculates described the 3rd CQI of selected subband in the each portions of bandwidth of reaction.Or
When receiver module 62 is specifically used in described CQI feedback model and is the broadband CQI pattern in aperiodic broadband CQI pattern or cycle, receive the CQI of the described standard narrowband that described terminal equipment sends.
Each functional module of the base station that the present embodiment provides can be used for the flow process of embodiment of the method shown in execution graph 3, and its specific works principle repeats no more, and refers to the description of embodiment of the method.
The base station that the present embodiment provides, mark off one or more arrowbands in system bandwidth after, at terminal equipment before access network, the position of each arrowband is sent to terminal equipment by narrow band information, make the terminal equipment can be according to the position of each arrowband, on each arrowband, measure, obtain the metrical information of each arrowband, then according to the metrical information of each arrowband, by arrowband indication information being sent to base station to base station initiating random access procedure, the arrowband that terminal equipment uses can be determined in base station like this, have flexibly, in time, be easy to the advantage realizing.
The structural representation of the another kind of base station that Fig. 7 provides for the embodiment of the present invention.As shown in Figure 7, the base station of the present embodiment comprises: communication interface 71, processor 72 and memory 73.
Communication interface 71, for before the network of terminal equipment access place, the present embodiment base station, sends narrow band information to terminal equipment, and the arrowband indication information that sends in random access procedure according to the metrical information of each arrowband of receiving terminal apparatus; Described narrow band information carries the position of each arrowband that the present embodiment base station marks off from system bandwidth, so that terminal equipment obtains the metrical information of each arrowband.
Memory 73, for depositing program.Concrete, program can comprise program code, described program code comprises computer-managed instruction.Memory 73 may comprise high-speed RAM memory, also may also comprise nonvolatile memory (non-volatile memory), for example at least one magnetic disc store.
Processor 72, the program of depositing for execute store 73, for the arrowband indication information receiving according to communication interface 71, determines the work arrowband that described terminal equipment uses.
Processor 72 may be a CPU, or specific ASIC, or is configured to implement one or more integrated circuits of the embodiment of the present invention.
In an optional execution mode, communication interface 71 is specifically used in before described terminal equipment accesses described network, and to described end-point device broadcast high-level signaling, described high-level signaling comprises described narrow band information.
For example, communication interface 71 is specifically used in before described terminal equipment accesses described network, to described end-point device broadcast PBCH.Or communication interface 71 is specifically used in before described terminal equipment accesses described network, to described end-point device broadcast system message.
Wherein, the metrical information of each arrowband comprises channel quality indicator (CQI) and/or the pre-coding matrix index PMI information of each arrowband.
In an optional execution mode, communication interface 71 specifically can be used for receiving the sequence code that described terminal equipment sends, and index by described sequence code, sends the time-domain resource that described sequence code uses or send frequency domain resource that described sequence code uses the described arrowband indication information that obtains the default initialization arrowband of indication.Described initialization arrowband is an arrowband in all arrowbands of marking off, base station.Based on this, processor 72 specifically can be used for directly determining that this initialization arrowband is the work arrowband that described terminal equipment uses.
Optionally, described arrowband indication information comprises: the PMI information of initialization arrowband described in when described terminal equipment is operated in initialization arrowband.Based on this, base station can be used PMI information and the terminal equipment of this arrowband indication information indication to communicate on initialization arrowband.
In an optional execution mode, communication interface 71 specifically can be used for receiving the sequence code that described terminal equipment sends, after returning to RAR to described terminal equipment for described sequence code, receive the message 3 that described terminal equipment sends, described message 3 is carried described arrowband indication information.
Optionally, described arrowband indication information comprises: CQI and/or the PMI information of each arrowband in the position of at least one arrowband and described at least one arrowband in all arrowbands.Processor 72 specifically can be used for according to CQI and/or the PMI information of each arrowband in the position of described at least one arrowband and described at least one arrowband, determines described work arrowband from described at least one arrowband.Communication interface 71 is also for sending to described terminal equipment by the position of described work arrowband.
Optionally, described arrowband indication information comprises: CQI and/or the PMI information of the arrowband of the position of the arrowband of described terminal equipment request work and described terminal equipment request work.Processor 72 specifically can be used for according to CQI and/or the PMI information of the arrowband of the position of the arrowband of described terminal equipment request work and described terminal equipment request work, and the arrowband of determining described terminal equipment request work is described work arrowband.
In an optional execution mode, arrowband CQI corresponding to the CQI feedback model with default that communication interface 71 also sends for receiving described terminal equipment.
For example, communication interface 71 be specifically used in described CQI feedback model be aperiodic user select arrowband CQI pattern time, receive the first differential CQI that described terminal equipment sends.Wherein, terminal equipment is according to the mapping relations of system bandwidth and subband number, calculates a CQI of M selected sub-band averaging quality of reaction, and according to the CQI of a CQI and default standard narrowband, obtain described the first differential CQI, described standard narrowband is in all arrowbands.Or
When communication interface 71 is specifically used in described CQI feedback model and is the arrowband CQI pattern of aperiodic high-rise configuration, receive the second differential CQI that described terminal equipment sends.Wherein, described terminal equipment, according to the mapping relations of system bandwidth and subband number, calculates the 2nd CQI of each subband, and according to the CQI of the 2nd CQI and default standard narrowband, obtains described the second differential CQI.Or
When communication interface 71 bodies are used in that user that described CQI feedback model is the cycle selects arrowband CQI pattern, receive the 3rd CQI that described terminal equipment sends.Wherein, described terminal equipment, according to the mapping relations of system bandwidth and subband number and portions of bandwidth, calculates described the 3rd CQI of selected subband in the each portions of bandwidth of reaction.Or
When communication interface 71 is specifically used in described CQI feedback model and is the broadband CQI pattern in aperiodic broadband CQI pattern or cycle, receive the CQI of the described standard narrowband that described terminal equipment sends.
Optionally, if communication interface 71, processor 72 and the separate realization of memory 73, communication interface 71, processor 72 and memory 73 can interconnect and complete mutual communicating by letter by bus.Described bus can be isa bus, pci bus or eisa bus etc.Described bus can be divided into address bus, data/address bus, control bus etc.For ease of representing, in Fig. 7, only represent with a thick line, but do not represent only to have the bus of a bus or a type.
If communication interface 71, processor 72 and memory 73 are integrated on chip piece realize, communication interface 71, processor 72 and memory 73 can complete mutual communicating by letter by internal interface.
The base station that the present embodiment provides can be used for the flow process of embodiment of the method shown in execution graph 3, and its specific works principle repeats no more, and refers to the description of embodiment of the method.
The base station that the present embodiment provides, mark off one or more arrowbands in system bandwidth after, at terminal equipment before access network, the position of each arrowband is sent to terminal equipment by narrow band information, make the terminal equipment can be according to the position of each arrowband, on each arrowband, measure, obtain the metrical information of each arrowband, then according to the metrical information of each arrowband, by arrowband indication information being sent to base station to base station initiating random access procedure, the arrowband that terminal equipment uses can be determined in base station like this, have flexibly, in time, be easy to the advantage realizing.
One of ordinary skill in the art will appreciate that: all or part of step that realizes above-mentioned each embodiment of the method can complete by the relevant hardware of program command.Aforesaid program can be stored in a computer read/write memory medium.This program, in the time carrying out, is carried out the step that comprises above-mentioned each embodiment of the method; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CDs.
Finally it should be noted that: above each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.

Claims (50)

1. a method is determined in work arrowband, it is characterized in that, comprising:
Terminal equipment, before access network, receives the narrow band information that base station in described network sends, and described narrow band information carries the position of each arrowband that described base station marks off from system bandwidth;
Described terminal equipment, according to the position of each arrowband, is measured on each arrowband, obtains the metrical information of each arrowband;
Described terminal equipment is according to the metrical information of each arrowband, in random access procedure to transmission arrowband, described base station indication information, so that the work arrowband that described terminal equipment uses is determined according to described arrowband indication information in described base station.
2. method is determined in work according to claim 1 arrowband, it is characterized in that, described terminal equipment is before access network, and the narrow band information that receives the base station transmission in described network comprises:
Described terminal equipment, before the described network of access, receives the high-level signaling of described base station broadcast, and described high-level signaling comprises described narrow band information.
3. method is determined in work according to claim 2 arrowband, it is characterized in that, described terminal equipment is before the described network of access, and the high-level signaling that receives described base station broadcast comprises:
Described terminal equipment, before the described network of access, receives the PBCH of described base station broadcast; Or
Described terminal equipment, before the described network of access, receives the system message of described base station broadcast.
4. determine method according to the work arrowband described in claim 1 or 2 or 3, it is characterized in that, the metrical information of each arrowband comprises channel quality indicator (CQI) and/or the pre-coding matrix indication PMI information of each arrowband.
5. method is determined in work according to claim 4 arrowband, it is characterized in that, described terminal equipment, according to the metrical information of each arrowband, comprises to transmission arrowband, described base station indication information in random access procedure:
Described terminal equipment sends sequence code to described base station, index by described sequence code, send the time-domain resource that described sequence code uses or send frequency domain resource that described sequence code uses the described arrowband indication information of indicating default initialization arrowband, described initialization arrowband is an arrowband in all arrowbands.
6. method is determined in work according to claim 5 arrowband, it is characterized in that, described arrowband indication information comprises: the PMI information of initialization arrowband described in when described terminal equipment is operated in described initialization arrowband.
7. method is determined in work according to claim 4 arrowband, it is characterized in that, described terminal equipment, according to the metrical information of each arrowband, comprises to transmission arrowband, described base station indication information in random access procedure:
Described terminal equipment sends sequence code to described base station;
Described terminal equipment receives the accidental access response RAR returning for described sequence code described base station;
Described terminal equipment sends message 3 to described base station, and described message 3 is carried described arrowband indication information.
8. method is determined in work according to claim 7 arrowband, it is characterized in that, described arrowband indication information comprises: CQI and/or the PMI information of each arrowband in the position of at least one arrowband and described at least one arrowband in all arrowbands.
9. bandwidth of operation according to claim 8 is determined method, it is characterized in that, described terminal equipment is according to the metrical information of each arrowband, in random access procedure to transmission arrowband, described base station indication information, so that described base station comprises after determining according to described arrowband indication information the work arrowband that described terminal equipment uses:
Described terminal equipment receives the position of the described work arrowband of described base station transmission.
10. method is determined in work according to claim 7 arrowband, it is characterized in that, described arrowband indication information comprises: CQI and/or the PMI information of the arrowband of the position of the arrowband of described terminal equipment request work and described terminal equipment request work.
11. determine method according to the work arrowband described in claim 1-10 any one, it is characterized in that, also comprise:
Described terminal equipment, according to default CQI feedback model, sends the arrowband CQI corresponding with described CQI feedback model to described base station.
Method is determined in 12. work according to claim 11 arrowbands, it is characterized in that, described terminal equipment, according to default CQI feedback model, sends the arrowband CQI corresponding with described CQI feedback model to described base station and comprises:
If described CQI feedback model is the arrowband CQI pattern that aperiodic user selects, described terminal equipment is according to the mapping relations of system bandwidth and subband number, calculate a CQI of M selected sub-band averaging quality of reaction, and according to the CQI of a described CQI and default standard narrowband, obtain the first differential CQI, described the first differential CQI is sent to described base station, and wherein, described standard narrowband is in all arrowbands;
If described CQI feedback model is the arrowband CQI pattern of aperiodic high-rise configuration, described terminal equipment is according to the mapping relations of system bandwidth and subband number, calculate the 2nd CQI of each subband, and according to the CQI of described the 2nd CQI and default standard narrowband, obtain the second differential CQI, described the second differential CQI is sent to described base station;
If the arrowband CQI pattern that the user that described CQI feedback model is the cycle selects, described terminal equipment is according to the mapping relations of system bandwidth and subband number and portions of bandwidth, calculate the 3rd CQI of selected subband in the each portions of bandwidth of reaction, and described the 3rd CQI is sent to described base station;
If described CQI feedback model is the broadband CQI pattern in aperiodic broadband CQI pattern or cycle, the CQI of described standard narrowband is sent to described base station by described terminal equipment.
13. determine method according to the work arrowband described in claim 1-12 any one, it is characterized in that, the size of the size of the each arrowband subband corresponding with described system bandwidth is identical; Or
The size of described system bandwidth corresponding subband is big or small multiple or the approximate number of each arrowband.
Method is determined in 14. 1 kinds of work arrowbands, it is characterized in that, comprising:
Base station is before terminal equipment accesses place, described base station network, send narrow band information to described terminal equipment, described narrow band information carries the position of each arrowband that described base station marks off from system bandwidth, so that described terminal equipment obtains the metrical information of each arrowband;
Described base station receives the arrowband indication information that described terminal equipment sends in random access procedure according to the metrical information of each arrowband;
The work arrowband that described terminal equipment uses, according to described arrowband indication information, is determined in described base station.
Method is determined in 15. work according to claim 14 arrowbands, it is characterized in that, described base station, before terminal equipment accesses place, described base station network, sends narrow band information to described terminal equipment and comprises:
Described base station is before described terminal equipment accesses described network, and to described end-point device broadcast high-level signaling, described high-level signaling comprises described narrow band information.
Method is determined in 16. work according to claim 15 arrowbands, it is characterized in that, described base station, before described terminal equipment accesses described network, comprises to described end-point device broadcast high-level signaling:
Described base station is before described terminal equipment accesses described network, to described end-point device broadcast PBCH; Or
Described base station is before described terminal equipment accesses described network, to described end-point device broadcast system message.
17. determine method according to the work arrowband described in claims 14 or 15 or 16, it is characterized in that, the metrical information of each arrowband comprises channel quality indicator (CQI) and/or the pre-coding matrix indication PMI information of each arrowband.
Method is determined in 18. work according to claim 17 arrowbands, it is characterized in that, described base station receives the arrowband indication information that described terminal equipment sends in random access procedure according to the metrical information of each arrowband and comprises:
Described base station receives the sequence code that described terminal equipment sends, index by described sequence code, send the time-domain resource that described sequence code uses or send frequency domain resource that described sequence code uses the arrowband indication information that obtains the default initial arrowband of indication, described initialization arrowband is an arrowband in all arrowbands.
Method is determined in 19. work according to claim 18 arrowbands, it is characterized in that, described arrowband indication information comprises: the PMI information of initialization arrowband described in when described terminal equipment is operated in described initialization arrowband.
Method is determined in 20. work according to claim 17 arrowbands, it is characterized in that, described base station receives the arrowband indication information that described terminal equipment sends in random access procedure according to the metrical information of each arrowband and comprises:
Described base station receives the sequence code that described terminal equipment sends;
Described base station sends the accidental access response RAR for described sequence code to described terminal equipment;
Described base station receives the message 3 that described terminal equipment sends, and described message 3 is carried described arrowband indication information.
Method is determined in 21. work according to claim 20 arrowbands, it is characterized in that, described arrowband indication information comprises: CQI and/or the PMI information of each arrowband in the position of at least one arrowband and described at least one arrowband in all arrowbands;
Described base station, according to described arrowband indication information, determines that the work arrowband that described terminal equipment uses comprises:
Described work arrowband, according to CQI and/or the PMI information of each arrowband in the position of described at least one arrowband and described at least one arrowband, is determined in described base station from described at least one arrowband.
Method is determined in 22. work according to claim 21 arrowbands, it is characterized in that, described base station, according to CQI and/or the PMI information of each arrowband in the position of described at least one arrowband and described at least one arrowband, determines that from described at least one arrowband described work arrowband comprises afterwards:
The position of described work arrowband is sent to described terminal equipment by described base station.
Method is determined in 23. work according to claim 20 arrowbands, it is characterized in that, described arrowband indication information comprises: CQI and/or the PMI information of the arrowband of the position of the arrowband of described terminal equipment request work and described terminal equipment request work;
Described base station, according to described arrowband indication information, determines that the work arrowband that described terminal equipment uses comprises:
Described base station is according to CQI and/or the PMI information of the arrowband of the position of the arrowband of described terminal equipment request work and described terminal equipment request work, and the arrowband of determining described terminal equipment request work is described work arrowband.
24. determine method according to the work arrowband described in claim 14-23 any one, it is characterized in that, also comprise:
Described base station receives arrowband CQI corresponding to the CQI feedback model with default that described terminal equipment sends.
Method is determined in 25. work according to claim 24 arrowbands, it is characterized in that, arrowband CQI corresponding to the CQI feedback model with default that described base station receives described terminal equipment transmission comprises:
If described CQI feedback model is the arrowband CQI pattern that aperiodic user selects, described base station receives the first differential CQI that described terminal equipment sends, wherein, described terminal equipment is according to the mapping relations of system bandwidth and subband number, calculate a CQI of M selected sub-band averaging quality of reaction, and according to the CQI of a CQI and default standard narrowband, obtaining described the first differential CQI, described standard narrowband is in all arrowbands;
If described CQI feedback model is the arrowband CQI pattern of aperiodic high-rise configuration, described base station receives the second differential CQI that described terminal equipment sends, wherein, described terminal equipment is according to the mapping relations of system bandwidth and subband number, calculate the 2nd CQI of each subband, and according to the CQI of the 2nd CQI and default standard narrowband, obtain described the second differential CQI;
If the arrowband CQI pattern that the user that described CQI feedback model is the cycle selects, described base station receives the 3rd CQI that described terminal equipment sends, wherein, described terminal equipment, according to the mapping relations of system bandwidth and subband number and portions of bandwidth, calculates described the 3rd CQI of selected subband in the each portions of bandwidth of reaction;
If described CQI feedback model is the broadband CQI pattern in aperiodic broadband CQI pattern or cycle, described base station receives the CQI of the described standard narrowband of described terminal equipment transmission.
26. determine method according to the work arrowband described in claim 14-25 any one, it is characterized in that, the size of the size of the each arrowband subband corresponding with described system bandwidth is identical; Or
The size of subband corresponding to described system bandwidth is big or small multiple or the approximate number of each arrowband.
27. 1 kinds of terminal equipments, is characterized in that, comprising:
Receiver module, for before terminal equipment access network, receives the narrow band information that base station in described network sends, and described narrow band information carries the position of each arrowband that described base station marks off from system bandwidth;
Measurement module for according to the position of each arrowband, is measured on each arrowband, obtains the metrical information of each arrowband;
Sending module, for according to the metrical information of each arrowband, in random access procedure to transmission arrowband, described base station indication information, so that the work arrowband that described terminal equipment uses is determined according to described arrowband indication information in described base station.
28. terminal equipments according to claim 27, is characterized in that, described receiver module, specifically for before accessing described network at described terminal equipment, receives the high-level signaling of described base station broadcast, and described high-level signaling comprises described narrow band information.
29. terminal equipments according to claim 28, is characterized in that, described receiver module, specifically for before accessing described network at described terminal equipment, receives the PBCH of described base station broadcast; Or
Described receiver module, specifically for before accessing described network at described terminal equipment, receives the system message of described base station broadcast.
30. according to the terminal equipment described in claim 27 or 28 or 29, it is characterized in that, the metrical information of each arrowband comprises channel quality indicator (CQI) and/or the pre-coding matrix index PMI information of each arrowband.
31. terminal equipments according to claim 30, it is characterized in that, described sending module is specifically for sending sequence code to described base station, index by described sequence code, send the time-domain resource that described sequence code uses or send frequency domain resource that described sequence code uses the described arrowband indication information of indicating default initialization arrowband, described initialization arrowband is an arrowband in all arrowbands.
32. terminal equipments according to claim 31, is characterized in that, described arrowband indication information comprises: the PMI information of initialization arrowband described in when described terminal equipment is operated in described initialization arrowband.
33. terminal equipments according to claim 30, is characterized in that, described receiver module is also for receiving the accidental access response RAR returning for sequence code described base station;
Described sending module is specifically for sending described sequence code to described base station, and sends message 3 to described base station after described receiver module receives described RAR, and described message 3 is carried described arrowband indication information.
34. terminal equipments according to claim 33, is characterized in that, described arrowband indication information comprises: CQI and/or the PMI information of each arrowband in the position of at least one arrowband and described at least one arrowband in all arrowbands.
35. terminal equipments according to claim 34, is characterized in that, described receiver module is also for receiving the position of the described work arrowband that described base station sends.
36. terminal equipments according to claim 33, is characterized in that, described arrowband indication information comprises: CQI and/or the PMI information of the arrowband of the position of the arrowband of described terminal equipment request work and described terminal equipment request work.
37. according to the terminal equipment described in claim 27-36 any one, it is characterized in that, described sending module also, for according to default CQI feedback model, sends the arrowband CQI corresponding with described CQI feedback model to described base station.
38. according to the terminal equipment described in claim 37, it is characterized in that, described sending module is used for according to default CQI feedback model, sends the arrowband CQI corresponding with described CQI feedback model comprise to described base station:
Described sending module specifically for select aperiodic user arrowband CQI pattern time, according to the mapping relations of system bandwidth and subband number, calculate a CQI of M selected sub-band averaging quality of reaction, and according to the CQI of a described CQI and default standard narrowband, obtain the first differential CQI, described the first differential CQI is sent to described base station, wherein, described standard narrowband is in all arrowbands, and wherein, described standard narrowband is in all arrowbands; Or
Described sending module is when at described CQI feedback model being the arrowband CQI pattern of 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 CQI of described the 2nd CQI and default standard narrowband, obtain the second differential CQI, described the second differential CQI is sent to described base station; Or
When arrowband CQI pattern that described sending module is selected specifically for the user that is the cycle at described CQI feedback model, according to the mapping relations of system bandwidth and subband number and portions of bandwidth, calculate the 3rd CQI of selected subband in the each portions of bandwidth of reaction, and described the 3rd CQI is sent to described base station; Or
Described sending module when at described CQI feedback model being the broadband CQI pattern in aperiodic broadband CQI pattern or cycle, sends to described base station by the CQI of described standard narrowband.
39. 1 kinds of base stations, is characterized in that, comprising:
Sending module, for before terminal equipment accesses place, described base station network, send narrow band information to described terminal equipment, described narrow band information carries the position of each arrowband that described base station marks off from system bandwidth, so that described terminal equipment obtains the metrical information of each arrowband;
Receiver module, the arrowband indication information sending at random access procedure according to the metrical information of each arrowband for receiving described terminal equipment;
Determination module, for according to described arrowband indication information, determines the work arrowband that described terminal equipment uses.
40. according to the base station described in claim 39, it is characterized in that, described sending module is specifically for before accessing described network at described terminal equipment, and to described end-point device broadcast high-level signaling, described high-level signaling comprises described narrow band information.
41. according to the base station described in claim 40, it is characterized in that, described sending module is specifically for before accessing described network at described terminal equipment, to described end-point device broadcast PBCH; Or
Described sending module is specifically for before accessing described network at described terminal equipment, to described end-point device broadcast system message.
42. according to the base station described in claim 39 or 40 or 41, it is characterized in that, the metrical information of each arrowband comprises channel quality indicator (CQI) and/or the pre-coding matrix indication PMI information of each arrowband.
43. according to the base station described in claim 42, it is characterized in that, the sequence code that described receiver module sends specifically for receiving described terminal equipment, index by described sequence code, send the time-domain resource that described sequence code uses or send frequency domain resource that described sequence code uses the described arrowband indication information that obtains default initialization arrowband, described initialization arrowband is an arrowband in all arrowbands.
44. according to the base station described in claim 43, it is characterized in that, described arrowband indication information comprises: the PMI information of initialization arrowband described in when described terminal equipment is operated in described initialization arrowband.
45. according to the base station described in claim 42, it is characterized in that, the sequence code that described receiver module sends specifically for receiving described terminal equipment, and after returning to accidental access response RAR to described terminal equipment for described sequence code at described sending module, receive the message 3 that described terminal equipment sends, described message 3 is carried described arrowband indication information;
Described sending module is also for sending the described RAR for described sequence code to described terminal equipment.
46. according to the base station described in claim 45, it is characterized in that, described arrowband indication information comprises: CQI and/or the PMI information of each arrowband in the position of at least one arrowband and described at least one arrowband in all arrowbands;
Described determination module, specifically for according to CQI and/or the PMI information of each arrowband in the position of described at least one arrowband and described at least one arrowband, is determined described work arrowband from described at least one arrowband.
47. according to the base station described in claim 46, it is characterized in that, described sending module is also for sending to described terminal equipment by the position of described work arrowband.
48. according to the base station described in claim 45, it is characterized in that, described arrowband indication information comprises: CQI and/or the PMI information of the arrowband of the position of the arrowband of described terminal equipment request work and described terminal equipment request work;
Described determination module is specifically for according to CQI and/or the PMI information of the arrowband of the position of the arrowband of described terminal equipment request work and described terminal equipment request work, and the arrowband of determining described terminal equipment request work is described work arrowband.
49. according to the base station described in claim 39-48 any one, it is characterized in that arrowband CQI corresponding to the CQI feedback model with default that described receiver module also sends for receiving described terminal equipment.
50. according to the base station described in claim 49, it is characterized in that, described receiver module comprises for arrowband CQI corresponding to the CQI feedback model with default that receives described terminal equipment transmission:
Described receiver module specifically at described CQI feedback model be aperiodic user select arrowband CQI pattern time, receive the first differential CQI that described terminal equipment sends, wherein, described terminal equipment is according to the mapping relations of system bandwidth and subband number, calculate a CQI of M selected sub-band averaging quality of reaction, and according to the CQI of a CQI and default standard narrowband, obtaining described the first differential CQI, described standard narrowband is in all arrowbands; Or
Described receiver module is when at described CQI feedback model being the arrowband CQI pattern of aperiodic high-rise configuration, receive the second differential CQI that described terminal equipment sends, wherein, described terminal equipment is according to the mapping relations of system bandwidth and subband number, calculate the 2nd CQI of each subband, and according to the CQI of the 2nd CQI and default standard narrowband, obtain described the second differential CQI; Or
When arrowband CQI pattern that described receiver module is selected specifically for the user that is the cycle at described CQI feedback model, receive the 3rd CQI that described terminal equipment sends, wherein, described terminal equipment, according to the mapping relations of system bandwidth and subband number and portions of bandwidth, calculates described the 3rd CQI of selected subband in the each portions of bandwidth of reaction; Or
Described receiver module when at described CQI feedback model being the broadband CQI pattern in aperiodic broadband CQI pattern or cycle, receives the CQI of the described standard narrowband that described terminal equipment sends.
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CN109392139A (en) * 2017-08-11 2019-02-26 维沃移动通信有限公司 It is a kind of to receive the resource location indicating means to broadcast the message, apparatus and system
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CN111434145A (en) * 2017-11-15 2020-07-17 瑞典爱立信有限公司 Method and apparatus for load balancing across bandwidth segments
CN111786761A (en) * 2017-11-15 2020-10-16 Oppo广东移动通信有限公司 Method for transmitting data, terminal equipment and network equipment
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CN110022614B (en) * 2018-01-10 2023-06-23 宏达国际电子股份有限公司 Apparatus and method for processing bandwidth part
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