CN107404737A - MTC terminal residence reselecting, apparatus and system - Google Patents
MTC terminal residence reselecting, apparatus and system Download PDFInfo
- Publication number
- CN107404737A CN107404737A CN201610331199.5A CN201610331199A CN107404737A CN 107404737 A CN107404737 A CN 107404737A CN 201610331199 A CN201610331199 A CN 201610331199A CN 107404737 A CN107404737 A CN 107404737A
- Authority
- CN
- China
- Prior art keywords
- frequency
- cell
- mtc
- alien
- indicating bit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0061—Transmission or use of information for re-establishing the radio link of neighbour cell information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/04—Reselecting a cell layer in multi-layered cells
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
Abstract
The present invention provides a kind of MTC terminal residence reselecting, apparatus and system.Methods described includes：When the MTC terminal resides in enhancing coverage cell, network side equipment is judged around current area with the presence or absence of normal covering and the co-frequency cell or alien-frequency district of support MTC communication, and set is carried out to the homogeneous-frequency adjacent-domain indicating bit in Master Information Block MIB and alien frequencies adjacent area indicating bit according to judged result, the homogeneous-frequency adjacent-domain indicating bit and alien frequencies adjacent area indicating bit are indicated respectively around current area with the presence or absence of normal covering and the co-frequency cell or alien-frequency district of support MTC communication, so as to homogeneous-frequency adjacent-domain indicating bit and alien frequencies adjacent area indicating bit progress cell reselection of the MTC terminal in the MIB.The present invention can in the case where not increasing MTC terminal power consumption, avoid MTC terminal due to the related system information of no reading cell reselection and the problem of without cell reselection.
Description
Technical field
The present invention relates to MTC technology field, more particularly to a kind of MTC terminal residence reselecting, dress
Put and system.
Background technology
With the fast development of Internet of Things, (Machine-Type Communication, machine type lead to MTC
Letter) had been to be concerned by more and more people naturally as the important component of Internet of Things, 3GPP (3rd
Generation Partnership Project, third generation partner program) it is directed to research and utilization LTE (Long
Term Evolution, Long Term Evolution) network carrying MTC communication.
MTC communication refers to the communication between machine and machine (equipment and equipment), without the ginseng of very important person
With a kind of communication mode, it is logical that MTC communication is also known as M2M (Machine-to-machine, machinery compartment)
Letter.
In order to tackle MTC communication, 3GPP has carried out different degrees of optimization in itself for LTE protocol, no
Being same as LTE system information includes MIB (Master Information Block, Master Information Block) and multiple SIBs
(System Information Blocks, system information block), 3GPP Rel.13 standards introduce new system
Information MTC-SIB1, MTC-SIB2, MTC-SIB3, MTC-SIB4, MTC-SIB5, MTC-SIB14
To substitute SIBs, that is to say, that the system information related to MTC communication includes：MIB and MTC-SIB1,
MTC-SIB2, MTC-SIB3, MTC-SIB4, MTC-SIB5, MTC-SIB14, wherein MIB include
Limited most important, the most frequently used configured transmission, and information content is less, is easy to successfully be read by MTC terminal
Take, MTC-SIB3, MTC-SIB4, MTC-SIB5 are the related system informations of cell reselection.
MTC terminal is resident suitable cell, after stopping reasonable time (1 second), it is possible to carry out
The process of cell reselection.By cell reselection, it can farthest ensure the MTC terminal under idle pulley
Reside in suitable cell.
According to existing protocol, if MTC terminal resides in enhancing covering and supports the cell of MTC communication,
When there is normal covering in surrounding and support the cell of MTC communication, MTC terminal should gravity treatment to the cell.
MTC terminal in cell reselection, due to the related system information MTC-SIB3, MTC-SIB4 of cell reselection,
MTC-SIB5 needs to be repeated several times in enhancing coverage cell to be received and could succeed, for the consideration of power consumption, MTC
Terminal may not read said system information, so as to select to continue to reside in current enhancing coverage cell.
During the present invention is realized, inventor has found following technical problem in the prior art at least be present：
The MTC terminal of enhancing coverage cell is resided in, if not reading cell reselection for the consideration of power consumption
Related system information, even if this, which will result in, newly creates normal covering and support MTC around MTC terminal
The cell of communication, MTC terminal also will not gravity treatment to the cell.
The content of the invention
MTC terminal residence reselecting provided by the invention, apparatus and system, can not increase MTC
In the case of power consumption of terminal, avoid MTC terminal due to the related system information of no reading cell reselection without
The problem of carrying out cell reselection.
In a first aspect, the present invention provides a kind of MTC terminal residence reselecting, methods described is applied to network
Side apparatus, methods described include：
When the MTC terminal resides in enhancing coverage cell, judge around current area with the presence or absence of normal
Covering and the co-frequency cell or alien-frequency district for supporting MTC communication；
The homogeneous-frequency adjacent-domain indicating bit in Master Information Block MIB and alien frequencies adjacent area indicating bit are carried out according to judged result
Set, the homogeneous-frequency adjacent-domain indicating bit and alien frequencies adjacent area indicating bit are indicated respectively and whether there is around current area
Normal covering and the co-frequency cell or alien-frequency district of support MTC communication, so that the MTC terminal is according to institute
State the homogeneous-frequency adjacent-domain indicating bit in MIB and alien frequencies adjacent area indicating bit carries out cell reselection.
Alternatively, it is described adjacent to the homogeneous-frequency adjacent-domain indicating bit in Master Information Block MIB and alien frequencies according to judged result
Area's indicating bit carries out set, including：
If normal covering around current area be present and support the co-frequency cell of MTC communication, by MIB
Homogeneous-frequency adjacent-domain indicating positions 1, otherwise set to 0；If normal covering around current area be present and support MTC
The alien-frequency district of communication, otherwise the alien frequencies adjacent area indicating positions 1 in MIB is set to 0.
Second aspect, the present invention provide a kind of MTC terminal residence reselecting, and methods described is applied to MTC
Terminal, methods described include：
When the MTC terminal resides in enhancing coverage cell, the system information of current area is read；
When the system information that no reading is related to cell reselection, the same frequency in Master Information Block MIB is adjacent
Area's indicating bit and alien frequencies adjacent area indicating bit judge with the presence or absence of normal covering and support MTC to lead to around current area
The co-frequency cell or alien-frequency district of letter；
Surrounding normal covering in current area is searched for according to judged result and supports the co-frequency cell or different of MTC communication
Frequency cell, carry out cell reselection.
Alternatively, the homogeneous-frequency adjacent-domain indicating bit in the MIB according to Master Information Block and alien frequencies adjacent area indicating bit are sentenced
With the presence or absence of normal covering and the co-frequency cell or alien-frequency district of support MTC communication, bag around disconnected current area
Include：
If the homogeneous-frequency adjacent-domain indicating bit in the MIB is 1, judges to exist around current area and normally cover
Lid and the co-frequency cell for supporting MTC communication；If the homogeneous-frequency adjacent-domain indicating bit in the MIB is 0, sentence
Normal covering is not present around disconnected current area and supports the co-frequency cell of MTC communication；If the MIB
In alien frequencies adjacent area indicating bit be 1, then judge normal covering and support MTC communication around current area be present
Alien-frequency district；If the alien frequencies adjacent area indicating bit in the MIB is 0, judge around current area not
In the presence of normal covering and support the alien-frequency district of MTC communication.
Alternatively, it is described that surrounding normal covering in current area is searched for according to judged result and supports MTC communication
Co-frequency cell or alien-frequency district, carrying out cell reselection includes：
If normal covering around current area be present and support the co-frequency cell of MTC communication, current small
Other cells are continued search on the frequency of area's ownership；If normal covering around current area be present and support
The alien-frequency district of MTC communication, then continue search for it on the different frequency of frequency belonged to current area
His cell；If normal covering around current area simultaneously be present and support the co-frequency cell of MTC communication and different
Frequency cell, then first search for homogeneous-frequency adjacent-domain, searches again for alien frequencies adjacent area；If both it had been not present just around current area
Often covering and the co-frequency cell of support MTC communication, normal covering is not present again and supports the different of MTC communication
Frequency cell, then without search；
Cell reselection is carried out according to search result.
The third aspect, the present invention provide a kind of MTC terminal cell reselection device, and described device is located at network side
Equipment, described device include：
First judging unit, for when the MTC terminal resides in enhancing coverage cell, judging current small
With the presence or absence of normal covering and the co-frequency cell or alien-frequency district of support MTC communication around area；
First set unit, for the judged result made according to first judging unit to Master Information Block
Homogeneous-frequency adjacent-domain indicating bit in MIB carries out set, is around the homogeneous-frequency adjacent-domain indicating bit instruction current area
It is no normal covering to be present and support the co-frequency cell of MTC communication；
Second set unit, for the judged result made according to first judging unit to Master Information Block
Alien frequencies adjacent area indicating bit in MIB carries out set, and indicating bit instruction in the alien frequencies adjacent area is around current area
It is no normal covering to be present and support the alien-frequency district of MTC communication.
Alternatively, the first set unit, for judging when first judging unit around current area
When in the presence of normal covering and supporting the co-frequency cell of MTC communication, by the homogeneous-frequency adjacent-domain indicating positions 1 in MIB,
Otherwise set to 0；
The second set unit, for judging exist normally around current area when first judging unit
During the alien-frequency district of covering and support MTC communication, otherwise the alien frequencies adjacent area indicating positions 1 in MIB is put
0。
Fourth aspect, the present invention provide a kind of MTC terminal cell reselection device, and described device is located at MTC
Terminal, described device include：
Reading unit, for when the MTC terminal resides in enhancing coverage cell, reading current area
System information；
Second judging unit, for when the reading unit is without the reading system information related to cell reselection
When, homogeneous-frequency adjacent-domain indicating bit and alien frequencies adjacent area indicating bit in Master Information Block MIB judge current area week
Enclose with the presence or absence of normal covering and support the co-frequency cell or alien-frequency district of MTC communication；
Gravity treatment unit, for searching for current area surrounding normal according to the judged result of second judging unit
Covering and the co-frequency cell or alien-frequency district for supporting MTC communication, carry out cell reselection.
Alternatively, second judging unit, for when the homogeneous-frequency adjacent-domain indicating bit in the MIB be 1 when,
Judge to have normal covering around current area and support the co-frequency cell of MTC communication；When in the MIB
Homogeneous-frequency adjacent-domain indicating bit when being 0, judge normal covering is not present around current area and support MTC communication
Co-frequency cell；When the alien frequencies adjacent area indicating bit in the MIB is 1, judge exist around current area
Normal covering and the alien-frequency district of support MTC communication；When the alien frequencies adjacent area indicating bit in the MIB is 0
When, judge normal covering is not present around current area and support the alien-frequency district of MTC communication.
Alternatively, the gravity treatment unit includes：
Search for subelement, for when second judging unit judge around current area exist normally cover and
When supporting the co-frequency cell of MTC communication, other cells are continued search on the frequency of current area ownership；When
Second judging unit judges to have normal covering around current area and supports the alien-frequency district of MTC communication
When, continue search for other cells on the different frequency of frequency belonged to current area；When described second
Judging unit judges around current area while normal covering be present and support the co-frequency cell of MTC communication and different
During frequency cell, homogeneous-frequency adjacent-domain is first searched for, searches again for alien frequencies adjacent area；When second judging unit judges currently
Both normal covering had been not present around cell and has supported the co-frequency cell of MTC communication, be not present again normal covering and
When supporting the alien-frequency district of MTC communication, without search；
Gravity treatment subelement, for carrying out cell reselection according to the search result of the search subelement.
5th aspect, the present invention provide a kind of network side equipment, and the network side equipment is located at net including above-mentioned
The MTC terminal cell reselection device of network side apparatus.
6th aspect, the present invention provide a kind of MTC terminal, and the MTC terminal is located at MTC including above-mentioned
The MTC terminal cell reselection device of terminal.
7th aspect, the present invention provide a kind of MTC terminal cell reselection system, and the system includes network side
Equipment and MTC terminal；
The network side equipment, for when the MTC terminal resides in enhancing coverage cell, judging current
With the presence or absence of normal covering and the co-frequency cell or alien-frequency district of support MTC communication around cell；According to judgement
As a result set is carried out to the homogeneous-frequency adjacent-domain indicating bit in Master Information Block MIB and alien frequencies adjacent area indicating bit, it is described same
Frequency adjacent area indicating bit and alien frequencies adjacent area indicating bit are indicated respectively around current area with the presence or absence of normal covering and branch
The co-frequency cell or alien-frequency district of MTC communication are held, so that the MTC terminal is same in the MIB
Frequency adjacent area indicating bit and alien frequencies adjacent area indicating bit carry out cell reselection；
The MTC terminal, for when the MTC terminal resides in enhancing coverage cell, reading current
The system information of cell；When the system information that no reading is related to cell reselection, according to Master Information Block MIB
In homogeneous-frequency adjacent-domain indicating bit and alien frequencies adjacent area indicating bit judge around current area with the presence or absence of normal covering and
Support the co-frequency cell or alien-frequency district of MTC communication；Current area surrounding normal is searched for according to judged result to cover
Lid and the co-frequency cell or alien-frequency district for supporting MTC communication, carry out cell reselection.
MTC terminal residence reselecting provided by the invention, apparatus and system, by Master Information Block MIB
Two indicating bits of middle increase, i.e. homogeneous-frequency adjacent-domain indicating bit and alien frequencies adjacent area indicating bit, pass through the two indicating bits
The MTC terminal for residing in enhancing coverage cell is informed in time, be whether there is normal covering around it and is supported
The co-frequency cell or alien-frequency district of MTC communication, compared with prior art, the situation of power consumption can not increased
Under, MTC terminal is avoided due to the related system information of no reading cell reselection and without cell reselection
Problem, while it also avoid unnecessary search.
Brief description of the drawings
Fig. 1 is the flow chart that one embodiment of the invention MTC terminal residence reselecting is applied to network side equipment；
Fig. 2 is the flow chart that one embodiment of the invention MTC terminal residence reselecting is applied to MTC terminal；
Fig. 3 is that the structure for the MTC terminal cell reselection device that one embodiment of the invention is located at network side equipment is shown
It is intended to；
Fig. 4 is the structural representation for the MTC terminal cell reselection device that one embodiment of the invention is located at MTC terminal
Figure；
Fig. 5 is that one embodiment of the invention is located at included in the MTC terminal cell reselection device of MTC terminal
The structural representation of gravity treatment unit；
Fig. 6 is the structural representation of one embodiment of the invention MTC terminal cell reselection system.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the present invention
Accompanying drawing in embodiment, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that
Described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the institute that those of ordinary skill in the art are obtained under the premise of creative work is not made
There is other embodiment, belong to the scope of protection of the invention.
The embodiment of the present invention provides a kind of MTC terminal residence reselecting, and methods described is set applied to network side
It is standby, as shown in figure 1, the described method comprises the following steps：
S11, when the MTC terminal reside in enhancing coverage cell when, judge whether deposited around current area
In normal covering and support the co-frequency cell or alien-frequency district of MTC communication；
S12, according to judged result the homogeneous-frequency adjacent-domain indicating bit in Master Information Block MIB and alien frequencies adjacent area are indicated
Position carries out set, and the homogeneous-frequency adjacent-domain indicating bit and alien frequencies adjacent area indicating bit, which are indicated respectively around current area, is
It is no normal covering to be present and support the co-frequency cell or alien-frequency district of MTC communication, so as to the MTC terminal
Homogeneous-frequency adjacent-domain indicating bit and alien frequencies adjacent area indicating bit in the MIB carry out cell reselection.
Specifically, when performing S11, the adjacent area of current area is likely located at same base station, it is also possible to is located at
Different base stations, relevant information can be obtained by OAM or X2 interface.
Specifically, when performing S12, network side equipment can be in the following manner to the same frequency in Master Information Block MIB
Adjacent area indicating bit and alien frequencies adjacent area indicating bit carry out set, including：
If normal covering around current area be present and support the co-frequency cell of MTC communication, by MIB
Homogeneous-frequency adjacent-domain indicating positions 1, otherwise set to 0；If normal covering around current area be present and support MTC
The alien-frequency district of communication, otherwise the alien frequencies adjacent area indicating positions 1 in MIB is set to 0.
Certainly, the setting of homogeneous-frequency adjacent-domain indicating bit and alien frequencies adjacent area indicating bit is not limited to manner discussed above,
Other modes can also be used, such as：If normal covering around current area be present and support MTC communication
Co-frequency cell, by the homogeneous-frequency adjacent-domain indicating positions 0 in MIB, otherwise put 1；If deposited around current area
In normal covering and the alien-frequency district of MTC communication is supported, it is no by the alien frequencies adjacent area indicating positions 0 in MIB
Then put 1.As long as homogeneous-frequency adjacent-domain indicating bit and alien frequencies neighbour are made an appointment between network side equipment and MTC terminal
The set rule of area's indicating bit.
The embodiment of the present invention provides a kind of MTC terminal residence reselecting, and methods described is applied to MTC terminal,
As shown in Fig. 2 it the described method comprises the following steps：
S21, when the MTC terminal resides in enhancing coverage cell, read the system information of current area；
Wherein, when the adjacent area around the MTC terminal changes, the MTC terminal can pass through
MIB decides whether gravity treatment again after understanding adjacent area distribution, if necessary to gravity treatment, then starts to perform
S21。
S22, when it is no read related to cell reselection system information when, according in Master Information Block MIB
Homogeneous-frequency adjacent-domain indicating bit and alien frequencies adjacent area indicating bit are judged around current area with the presence or absence of normal covering and support
The co-frequency cell or alien-frequency district of MTC communication；
Wherein, it is relatively more tired due to reading system information when the MTC terminal resides in enhancing coverage cell
Difficult and power consumption, the MTC terminal can select not reading the system information related to cell reselection, and only
Read the related system information of business of establishing.
S23, surrounding normal covering in current area is searched for according to judged result and supports that the same frequency of MTC communication is small
Area or alien-frequency district, carry out cell reselection.
Alternatively, the homogeneous-frequency adjacent-domain indicating bit in the MIB according to Master Information Block and alien frequencies adjacent area indicating bit are sentenced
With the presence or absence of normal covering and the co-frequency cell or alien-frequency district of support MTC communication, bag around disconnected current area
Include：
If the homogeneous-frequency adjacent-domain indicating bit in the MIB is 1, judges to exist around current area and normally cover
Lid and the co-frequency cell for supporting MTC communication；If the homogeneous-frequency adjacent-domain indicating bit in the MIB is 0, sentence
Normal covering is not present around disconnected current area and supports the co-frequency cell of MTC communication；If the MIB
In alien frequencies adjacent area indicating bit be 1, then judge normal covering and support MTC communication around current area be present
Alien-frequency district；If the alien frequencies adjacent area indicating bit in the MIB is 0, judge around current area not
In the presence of normal covering and support the alien-frequency district of MTC communication.
Alternatively, it is described that surrounding normal covering in current area is searched for according to judged result and supports MTC communication
Co-frequency cell or alien-frequency district, carrying out cell reselection includes：
If normal covering around current area be present and support the co-frequency cell of MTC communication, current small
Other cells are continued search on the frequency of area's ownership；If normal covering around current area be present and support
The alien-frequency district of MTC communication, then continue search for it on the different frequency of frequency belonged to current area
His cell；If normal covering around current area simultaneously be present and support the co-frequency cell of MTC communication and different
Frequency cell, then first search for homogeneous-frequency adjacent-domain, searches again for alien frequencies adjacent area；If both it had been not present just around current area
Often covering and the co-frequency cell of support MTC communication, normal covering is not present again and supports the different of MTC communication
Frequency cell, then without search；
Cell reselection is carried out according to search result.
Specifically, if exist around current area normal covering and support MTC communication co-frequency cell and/
Or alien-frequency district, then MTC terminal is according to existing protocol, in the co-frequency cell and/or alien-frequency district searched
Middle carry out cell reselection.If normal covering was both not present around current area and has supported the same frequency of MTC communication
Cell, normal covering is not present again and supports the alien-frequency district of MTC communication, then MTC terminal continues to be resident
In current area, without gravity treatment.
MTC terminal residence reselecting provided in an embodiment of the present invention, including the sum applied to network side equipment
Applied to MTC terminal, by increasing by two indicating bits in Master Information Block MIB, i.e. homogeneous-frequency adjacent-domain refers to
Show position and alien frequencies adjacent area indicating bit, informed in time by the two indicating bits and reside in enhancing coverage cell
MTC terminal, the co-frequency cell or alien frequencies with the presence or absence of normal covering and support MTC communication around it are small
Area, compared with prior art, MTC terminal can be avoided due to not reading in the case where not increasing power consumption
Take the system information that cell reselection is related and the problem of without cell reselection, while it also avoid it is unnecessary
Search.
The embodiment of the present invention also provides a kind of MTC terminal cell reselection device, and described device is set positioned at network side
It is standby, as shown in figure 3, described device includes：
First judging unit 31, for when the MTC terminal resides in enhancing coverage cell, judging current
With the presence or absence of normal covering and the co-frequency cell or alien-frequency district of support MTC communication around cell；
First set unit 32, for the judged result made according to first judging unit 31 to main information
Homogeneous-frequency adjacent-domain indicating bit in block MIB carries out set, and the homogeneous-frequency adjacent-domain indicating bit is indicated around current area
With the presence or absence of normal covering and support the co-frequency cell of MTC communication；
Second set unit 33, for the judged result made according to first judging unit 31 to main information
Alien frequencies adjacent area indicating bit in block MIB carries out set, and alien frequencies adjacent area indicating bit is indicated around current area
With the presence or absence of normal covering and support the alien-frequency district of MTC communication.
Alternatively, the first set unit 32, for judging current area when first judging unit 31
When surrounding has normal covering and supports the co-frequency cell of MTC communication, by the homogeneous-frequency adjacent-domain instruction in MIB
Position 1, otherwise sets to 0；
The second set unit 33, for judging exist around current area when first judging unit 31
It is no by the alien frequencies adjacent area indicating positions 1 in MIB during the alien-frequency district of normal covering and support MTC communication
Then set to 0.
The embodiment of the present invention also provides a kind of MTC terminal cell reselection device, and described device is located at MTC ends
End, as shown in figure 4, described device includes：
Reading unit 41, for when the MTC terminal resides in enhancing coverage cell, reading current area
System information；
Second judging unit 42, for when the reading unit 41 is without the reading system related to cell reselection
During information, homogeneous-frequency adjacent-domain indicating bit and alien frequencies adjacent area indicating bit in Master Information Block MIB judge current small
With the presence or absence of normal covering and the co-frequency cell or alien-frequency district of support MTC communication around area；
Gravity treatment unit 43, for being searched for according to the judged result of second judging unit 42 around current area
Normal covering and the co-frequency cell or alien-frequency district of support MTC communication, carry out cell reselection.
Alternatively, second judging unit 42, for being 1 when the homogeneous-frequency adjacent-domain indicating bit in the MIB
When, judge to have normal covering around current area and support the co-frequency cell of MTC communication；As the MIB
In homogeneous-frequency adjacent-domain indicating bit when being 0, judge normal covering is not present around current area and support MTC to lead to
The co-frequency cell of letter；When the alien frequencies adjacent area indicating bit in the MIB is 1, judge to deposit around current area
In normal covering and support the alien-frequency district of MTC communication；When the alien frequencies adjacent area indicating bit in the MIB is 0
When, judge normal covering is not present around current area and support the alien-frequency district of MTC communication.
Alternatively, as shown in figure 5, the gravity treatment unit 43 includes：
Subelement 51 is searched for, for normally being covered when second judging unit 42 judges to exist around current area
During the co-frequency cell of lid and support MTC communication, other cells are continued search on the frequency of current area ownership；
When second judging unit 42 judges to have normal covering around current area and supports the different of MTC communication
During frequency cell, other cells are continued search on the different frequency of frequency belonged to current area；Work as institute
The second judging unit 42 is stated to judge around current area while normal covering be present and support the same of MTC communication
When frequency cell and alien-frequency district, homogeneous-frequency adjacent-domain is first searched for, searches again for alien frequencies adjacent area；When the described second judgement is single
Member 42, which judges both to be not present around current area, normally to be covered and supports the co-frequency cell of MTC communication, and not
When in the presence of normal covering and supporting the alien-frequency district of MTC communication, without search；
Gravity treatment subelement 52, for carrying out cell reselection according to the search result of the search subelement 51.
MTC terminal cell reselection device provided in an embodiment of the present invention, including positioned at network side equipment and position
In MTC terminal, by increasing by two indicating bits, i.e. homogeneous-frequency adjacent-domain indicating bit in Master Information Block MIB
With alien frequencies adjacent area indicating bit, inform that the MTC for residing in enhancing coverage cell is whole in time by the two indicating bits
End, with the presence or absence of normal covering and the co-frequency cell or alien-frequency district of MTC communication are supported around it, it is and existing
There is technology to compare, MTC terminal can be avoided due to no reading cell weight in the case where not increasing power consumption
System information that phase selection is closed and the problem of without cell reselection, while it also avoid unnecessary search.
The embodiment of the present invention provides a kind of network side equipment, and the network side equipment is located at network side including above-mentioned
The MTC terminal cell reselection device of equipment.
The embodiment of the present invention provides a kind of MTC terminal, and the MTC terminal includes above-mentioned whole positioned at MTC
The MTC terminal cell reselection device at end.
The embodiment of the present invention also provides a kind of MTC terminal cell reselection system, as shown in fig. 6, the system
Including network side equipment 61 and MTC terminal 62；
The network side equipment 61, for when the MTC terminal 62 resides in enhancing coverage cell, sentencing
With the presence or absence of normal covering and the co-frequency cell or alien-frequency district of support MTC communication around disconnected current area；Root
It is judged that result carries out set to the homogeneous-frequency adjacent-domain indicating bit in Master Information Block MIB and alien frequencies adjacent area indicating bit,
The homogeneous-frequency adjacent-domain indicating bit and alien frequencies adjacent area indicating bit, which indicate respectively to whether there is around current area, normally to be covered
Lid and the co-frequency cell or alien-frequency district for supporting MTC communication, so that the MTC terminal 62 is according to described
Homogeneous-frequency adjacent-domain indicating bit and alien frequencies adjacent area indicating bit in MIB carry out cell reselection；
The MTC terminal 62, for when the MTC terminal 62 resides in enhancing coverage cell, reading
Take the system information of current area；When the system information that no reading is related to cell reselection, according to main letter
Homogeneous-frequency adjacent-domain indicating bit and alien frequencies adjacent area indicating bit in breath block MIB are judged around current area with the presence or absence of just
Often covering and the co-frequency cell or alien-frequency district of support MTC communication；Current area week is searched for according to judged result
Enclose normal covering and support the co-frequency cell or alien-frequency district of MTC communication, carry out cell reselection.
One of ordinary skill in the art will appreciate that all or part of flow in above-described embodiment method is realized,
It is that by computer program the hardware of correlation can be instructed to complete, described program can be stored in a calculating
In machine read/write memory medium, the program is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.
Wherein, described storage medium can be magnetic disc, CD, read-only memory (Read-Only Memory,
) or random access memory (Random Access Memory, RAM) etc. ROM.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited to
This, any one skilled in the art the invention discloses technical scope in, can readily occur in
Change or replacement, should all be included within the scope of the present invention.Therefore, protection scope of the present invention
It should be defined by scope of the claims.
Claims (13)
1. a kind of MTC terminal residence reselecting, it is characterised in that methods described is set applied to network side
Standby, methods described includes：
When the MTC terminal resides in enhancing coverage cell, judge around current area with the presence or absence of normal
Covering and the co-frequency cell or alien-frequency district for supporting MTC communication；
The homogeneous-frequency adjacent-domain indicating bit in Master Information Block MIB and alien frequencies adjacent area indicating bit are carried out according to judged result
Set, the homogeneous-frequency adjacent-domain indicating bit and alien frequencies adjacent area indicating bit are indicated respectively and whether there is around current area
Normal covering and the co-frequency cell or alien-frequency district of support MTC communication, so that the MTC terminal is according to institute
State the homogeneous-frequency adjacent-domain indicating bit in MIB and alien frequencies adjacent area indicating bit carries out cell reselection.
2. according to the method for claim 1, it is characterised in that it is described according to judged result to main information
Homogeneous-frequency adjacent-domain indicating bit and alien frequencies adjacent area indicating bit in block MIB carry out set, including：
If normal covering around current area be present and support the co-frequency cell of MTC communication, by the MIB
In homogeneous-frequency adjacent-domain indicating positions 1, otherwise set to 0；If normal covering around current area be present and support
The alien-frequency district of MTC communication, otherwise the alien frequencies adjacent area indicating positions 1 in the MIB is set to 0.
A kind of 3. MTC terminal residence reselecting, it is characterised in that methods described is applied to MTC terminal,
Methods described includes：
When the MTC terminal resides in enhancing coverage cell, the system information of current area is read；
When the system information that no reading is related to cell reselection, the same frequency in Master Information Block MIB is adjacent
Area's indicating bit and alien frequencies adjacent area indicating bit judge with the presence or absence of normal covering and support MTC to lead to around current area
The co-frequency cell or alien-frequency district of letter；
Surrounding normal covering in current area is searched for according to judged result and supports the co-frequency cell or different of MTC communication
Frequency cell, carry out cell reselection.
4. according to the method for claim 3, it is characterised in that in the MIB according to Master Information Block
Homogeneous-frequency adjacent-domain indicating bit and alien frequencies adjacent area indicating bit are judged around current area with the presence or absence of normal covering and support
The co-frequency cell or alien-frequency district of MTC communication, including：
If the homogeneous-frequency adjacent-domain indicating bit in the MIB is 1, judges to exist around current area and normally cover
Lid and the co-frequency cell for supporting MTC communication；If the homogeneous-frequency adjacent-domain indicating bit in the MIB is 0, sentence
Normal covering is not present around disconnected current area and supports the co-frequency cell of MTC communication；If the MIB
In alien frequencies adjacent area indicating bit be 1, then judge normal covering and support MTC communication around current area be present
Alien-frequency district；If the alien frequencies adjacent area indicating bit in the MIB is 0, judge around current area not
In the presence of normal covering and support the alien-frequency district of MTC communication.
5. the method according to claim 3 or 4, it is characterised in that described to be searched for according to judged result
Current area surrounding normal covering and the co-frequency cell or alien-frequency district of support MTC communication, carry out cell reselection
Including：
If normal covering around current area be present and support the co-frequency cell of MTC communication, current small
Other cells are continued search on the frequency of area's ownership；If normal covering around current area be present and support
The alien-frequency district of MTC communication, then continue search for it on the different frequency of frequency belonged to current area
His cell；If normal covering around current area simultaneously be present and support the co-frequency cell of MTC communication and different
Frequency cell, then first search for homogeneous-frequency adjacent-domain, searches again for alien frequencies adjacent area；If both it had been not present just around current area
Often covering and the co-frequency cell of support MTC communication, normal covering is not present again and supports the different of MTC communication
Frequency cell, then without search；
Cell reselection is carried out according to search result.
A kind of 6. MTC terminal cell reselection device, it is characterised in that described device is located at network side equipment,
Described device includes：
First judging unit, for when the MTC terminal resides in enhancing coverage cell, judging current small
With the presence or absence of normal covering and the co-frequency cell or alien-frequency district of support MTC communication around area；
First set unit, for the judged result made according to first judging unit to Master Information Block
Homogeneous-frequency adjacent-domain indicating bit in MIB carries out set, is around the homogeneous-frequency adjacent-domain indicating bit instruction current area
It is no normal covering to be present and support the co-frequency cell of MTC communication；
Second set unit, for the judged result made according to first judging unit to Master Information Block
Alien frequencies adjacent area indicating bit in MIB carries out set, and indicating bit instruction in the alien frequencies adjacent area is around current area
It is no normal covering to be present and support the alien-frequency district of MTC communication.
7. device according to claim 6, it is characterised in that the first set unit, for working as
First judging unit judges to have normal covering around current area and supports the co-frequency cell of MTC communication
When, otherwise the homogeneous-frequency adjacent-domain indicating positions 1 in MIB is set to 0；
The second set unit, for judging exist normally around current area when first judging unit
During the alien-frequency district of covering and support MTC communication, otherwise the alien frequencies adjacent area indicating positions 1 in MIB is put
0。
A kind of 8. MTC terminal cell reselection device, it is characterised in that described device is located at MTC terminal,
Described device includes：
Reading unit, for when the MTC terminal resides in enhancing coverage cell, reading current area
System information；
Second judging unit, for when the reading unit is without the reading system information related to cell reselection
When, homogeneous-frequency adjacent-domain indicating bit and alien frequencies adjacent area indicating bit in Master Information Block MIB judge current area week
Enclose with the presence or absence of normal covering and support the co-frequency cell or alien-frequency district of MTC communication；
Gravity treatment unit, for searching for current area surrounding normal according to the judged result of second judging unit
Covering and the co-frequency cell or alien-frequency district for supporting MTC communication, carry out cell reselection.
9. device according to claim 8, it is characterised in that second judging unit, for working as
When homogeneous-frequency adjacent-domain indicating bit in the MIB is 1, judges to have normal covering around current area and support
The co-frequency cell of MTC communication；When the homogeneous-frequency adjacent-domain indicating bit in the MIB is 0, current area is judged
Surrounding is not present normal covering and supports the co-frequency cell of MTC communication；When the alien frequencies adjacent area in the MIB
When indicating bit is 1, judges to have normal covering around current area and support the alien-frequency district of MTC communication；
When the alien frequencies adjacent area indicating bit in the MIB is 0, judge to be not present around current area normal covering and
Support the alien-frequency district of MTC communication.
10. device according to claim 8 or claim 9, it is characterised in that the gravity treatment unit includes：
Search for subelement, for when second judging unit judge around current area exist normally cover and
When supporting the co-frequency cell of MTC communication, other cells are continued search on the frequency of current area ownership；When
Second judging unit judges to have normal covering around current area and supports the alien-frequency district of MTC communication
When, continue search for other cells on the different frequency of frequency belonged to current area；When described second
Judging unit judges around current area while normal covering be present and support the co-frequency cell of MTC communication and different
During frequency cell, homogeneous-frequency adjacent-domain is first searched for, searches again for alien frequencies adjacent area；When second judging unit judges currently
Both normal covering had been not present around cell and has supported the co-frequency cell of MTC communication, be not present again normal covering and
When supporting the alien-frequency district of MTC communication, without search；
Gravity treatment subelement, for carrying out cell reselection according to the search result of the search subelement.
11. a kind of network side equipment, it is characterised in that the network side equipment includes such as claim 6 or 7
Described MTC terminal cell reselection device.
12. a kind of MTC terminal, it is characterised in that the MTC terminal includes such as claim 8 to 10
Any one of MTC terminal cell reselection device.
13. a kind of MTC terminal cell reselection system, it is characterised in that the system includes network side equipment
And MTC terminal；
The network side equipment, for when the MTC terminal resides in enhancing coverage cell, judging current
With the presence or absence of normal covering and the co-frequency cell or alien-frequency district of support MTC communication around cell；According to judgement
As a result set is carried out to the homogeneous-frequency adjacent-domain indicating bit in Master Information Block MIB and alien frequencies adjacent area indicating bit, it is described same
Frequency adjacent area indicating bit and alien frequencies adjacent area indicating bit are indicated respectively around current area with the presence or absence of normal covering and branch
The co-frequency cell or alien-frequency district of MTC communication are held, so that the MTC terminal is same in the MIB
Frequency adjacent area indicating bit and alien frequencies adjacent area indicating bit carry out cell reselection；
The MTC terminal, for when the MTC terminal resides in enhancing coverage cell, reading current
The system information of cell；When the system information that no reading is related to cell reselection, according to Master Information Block MIB
In homogeneous-frequency adjacent-domain indicating bit and alien frequencies adjacent area indicating bit judge around current area with the presence or absence of normal covering and
Support the co-frequency cell or alien-frequency district of MTC communication；Current area surrounding normal is searched for according to judged result to cover
Lid and the co-frequency cell or alien-frequency district for supporting MTC communication, carry out cell reselection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610331199.5A CN107404737B (en) | 2016-05-18 | 2016-05-18 | Method, device and system for reselecting MTC terminal cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610331199.5A CN107404737B (en) | 2016-05-18 | 2016-05-18 | Method, device and system for reselecting MTC terminal cell |
Publications (2)
| Publication Number | Publication Date |
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| CN107404737A true CN107404737A (en) | 2017-11-28 |
| CN107404737B CN107404737B (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610331199.5A Active CN107404737B (en) | 2016-05-18 | 2016-05-18 | Method, device and system for reselecting MTC terminal cell |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110602751A (en) * | 2018-06-13 | 2019-12-20 | 中国电信股份有限公司 | Cell reselection method and device, and user terminal |
| CN110740488A (en) * | 2018-07-20 | 2020-01-31 | 维沃移动通信有限公司 | Method for cell selection, user equipment and network side equipment |
| WO2020156399A1 (en) * | 2019-01-31 | 2020-08-06 | 华为技术有限公司 | Message sending method and device |
| WO2021249068A1 (en) * | 2020-06-11 | 2021-12-16 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Method and system for detecting a target cell with 5g cell support in 5g nsa mode |
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| EP2734001A1 (en) * | 2012-11-02 | 2014-05-21 | General Dynamics Broadband Inc | Method and apparatus for communicating in an increased coverage area to a wireless communication unit |
| CN104684035A (en) * | 2013-11-28 | 2015-06-03 | 中国电信股份有限公司 | Cell reelecting method, terminal and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP2734001A1 (en) * | 2012-11-02 | 2014-05-21 | General Dynamics Broadband Inc | Method and apparatus for communicating in an increased coverage area to a wireless communication unit |
| CN104684035A (en) * | 2013-11-28 | 2015-06-03 | 中国电信股份有限公司 | Cell reelecting method, terminal and system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110602751A (en) * | 2018-06-13 | 2019-12-20 | 中国电信股份有限公司 | Cell reselection method and device, and user terminal |
| CN110740488A (en) * | 2018-07-20 | 2020-01-31 | 维沃移动通信有限公司 | Method for cell selection, user equipment and network side equipment |
| CN110740488B (en) * | 2018-07-20 | 2020-10-16 | 维沃移动通信有限公司 | Method for cell selection, user equipment and network side equipment |
| WO2020156399A1 (en) * | 2019-01-31 | 2020-08-06 | 华为技术有限公司 | Message sending method and device |
| CN111510265A (en) * | 2019-01-31 | 2020-08-07 | 华为技术有限公司 | Message sending and receiving method and device |
| WO2021249068A1 (en) * | 2020-06-11 | 2021-12-16 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Method and system for detecting a target cell with 5g cell support in 5g nsa mode |
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|---|---|
| CN107404737B (en) | 2020-02-07 |
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