CN103535087B - Reuse method and equipment of broadcast control channel BCCH carrier wave frequency point - Google Patents
Reuse method and equipment of broadcast control channel BCCH carrier wave frequency point Download PDFInfo
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- CN103535087B CN103535087B CN201380000250.9A CN201380000250A CN103535087B CN 103535087 B CN103535087 B CN 103535087B CN 201380000250 A CN201380000250 A CN 201380000250A CN 103535087 B CN103535087 B CN 103535087B
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Abstract
The invention provides a reuse method and equipment of broadcast control channel BCCH carrier wave frequency point, which relates to the field of communication technology, and the method comprises the following steps: determining an emission frequency of a BCCH channel of a first cell at a first time slot; determining an emission frequency of a BCCH channel of a second cell at a second time slot, wherein, the second time slot and the first time slot are not identical, and the frequency points of the BCCH carrier waves of the first cell and the second cell both are the first frequency points, and the interference value between the BCCH carrier waves of the first cell and the second cell are higher than the preset valve; reducing an output frequency of the BCCH carrier wave of the firs cell at the second time slot; reducing an output frequency of the BCCH carrier of the second cell at the first time slot. The method can reduce interference under the case that the broadcast control channel carrier wave frequency point reuse is tight, thereby guarantying normal residence of mobile phone.
Description
Technical field
The present invention relates to mobile communication system, more particularly to a kind of multiplexing method of BCCH carrier frequency point and set
It is standby.
Background technology
With UMTS（Universal Mobile Telecommunications System, referred to as
UMTS）And Long Term Evolution（Long Term Evolution, abbreviation LTE）The fast development of system, increasing operator examines
Consider deployment UMTS/LTE networks, but the frequency range of operator is limited, or even some operators also do not get corresponding frequency range.Cause
This, the band segment of existing GSM network can be disposed UMTS or LTE network for operator, cause global system for mobile communications
（Global System for Mobile communications, abbreviation GSM）The frequency that network can be used is fewer and feweri, leads
GSM is caused to be degenerated to a very thin network.
In the frequency planning of existing GSM network, BCCH（Broadcast Control Channel, referred to as
BCCH）Ensure the performance of BCCH typically using more relaxed multiplex mode, you can the frequency number for being allocated to BCCH is more,
Distance between BCCH intra-frequency cells ensure that the interference of minizone in the reasonable scope, so as to ensure being resident, cutting for mobile phone
The performance such as change, but BCCH cannot realize loose multiplexing when GSM frequencies are very limited, cause interference with serious increase.Therefore, such as
What ensures the performance of BCCH using limited BCCH frequencies, and disturbs little as far as possible, becomes problem in the urgent need to address.
The content of the invention
The embodiment of the present invention provides a kind of frequency multiplexing method and equipment of BCCH channel of broadcast control carrier wave, can be wide
Reduce interference in the case of the frequency multiplexing closely of Broadcast Control channel carrier wave, so as to ensure that user equipment is normally resident.
First aspect, there is provided a kind of multiplexing method of broadcast control channel BCCH carrier wave frequency point, methods described include：
Determine the BCCH channels of first community in the first slot transmission power；
The BCCH channels of second community are determined in the second slot transmission power, second time slot and first time slot are not
Identical, the frequency of the bcch carrier of the first community and the second community is the first frequency, and the first community and
Interference value between the bcch carrier of the second community is more than preset value；
Reduce output of the bcch carrier of the first community on second time slot；
Reduce output of the bcch carrier of the second community on first time slot.
With reference in a first aspect, in the first implementation of first aspect, methods described also includes：
The channel for configuring first time slot of the bcch carrier of the second community is Traffic Channel；
The channel for configuring second time slot of the bcch carrier of the first community is Traffic Channel.
With reference to the first implementation of first aspect or first aspect, in second implementation of first aspect,
Methods described also includes：
According to first time slot and second time slot, determine the BCCH channels of the 3rd cell in the 3rd slot transmission work(
Rate, the 3rd time slot are differed with first time slot and first time slot, the bcch carrier frequency of the 3rd cell
Point is the interference value between first frequency, and the bcch carrier of the 3rd cell and the bcch carrier of the first community
More than the preset value, or, the interference between the bcch carrier of the 3rd cell and the bcch carrier of the second community
Value is more than the preset value；
The bcch carrier of bcch carrier and the second community of the first community is reduced on the 3rd time slot
Output；
Reduce output of the bcch carrier of the 3rd cell on first time slot and second time slot.
With reference to the first implementation of first aspect or first aspect, in the third implementation of first aspect,
Methods described also includes：
The bcch carrier of the first community is reduced in each time slot in addition to first time slot and second time slot
On output；
The bcch carrier of the second community is reduced in each time slot in addition to first time slot and second time slot
On output.
With reference to the first implementation of first aspect or first aspect, in the 4th kind of implementation of first aspect,
Methods described also includes：
If the channel that the first community is configured on identical time slot with the bcch carrier of the second community is business
Channel, then in the first community and the second community select a cell；
Reduce output of the bcch carrier of one cell on the identical time slot.
With reference to second implementation of first aspect, in the 5th kind of implementation of first aspect, methods described is also
Including：
If the first community, the second community are configured on identical time slot with the bcch carrier of the 3rd cell
Channel is Traffic Channel, then two cells of selection in the first community, the second community and the 3rd cell；
Reduce output of the bcch carrier of described two cells on the identical time slot.
A kind of second aspect, there is provided network equipment, including：
Determining unit, for determining the BCCH channels of first community in the first slot transmission power；
The determining unit, is additionally operable to determine the BCCH channels of second community in the second slot transmission power, and described second
Time slot and first time slot are differed, and the frequency of the bcch carrier of the first community and the second community is the first frequency
Interference value between point, and the bcch carrier of the first community and the second community is more than preset value；
Power adjustment unit, for reducing output work of the bcch carrier of the first community on second time slot
Rate；
The power adjustment unit, the bcch carrier for being additionally operable to reduce the second community are defeated on first time slot
Go out power.
With reference to second aspect, in the first implementation of second aspect, also include：
Dispensing unit, believes for business for configuring the channel of first time slot of the bcch carrier of the second community
Road；
The dispensing unit, the channel of second time slot of the bcch carrier for being additionally operable to configure the first community is industry
Business channel.
With reference to the first implementation of second aspect or second aspect, in second implementation of second aspect,
The determining unit, is additionally operable to be determined according to first time slot and second time slot BCCH channels of the 3rd cell
Three slot transmission power, the 3rd time slot are differed with first time slot and first time slot, the 3rd cell
Bcch carrier frequency be first frequency, and the bcch carrier of the bcch carrier of the 3rd cell and the first community
Between interference value be more than the preset value, or, the BCCH of the bcch carrier of the 3rd cell and the second community is carried
Interference value between ripple is more than the preset value；
The power adjustment unit, is additionally operable to reduce the bcch carrier of the first community and the second community described
Output on 3rd time slot；
The power adjustment unit, is additionally operable to reduce the bcch carrier of the 3rd cell in first time slot and described
Output on second time slot.
With reference to the first implementation of second aspect or second aspect, in the third implementation of second aspect,
The power adjustment unit, is additionally operable to reduce the bcch carrier of the first community when except first time slot and described second
The output on each time slot outside gap；
The power adjustment unit, is additionally operable to reduce the bcch carrier of the second community except first time slot and institute
State the output on each time slot outside the second time slot.
With reference to the first implementation of second aspect or second aspect, in the 4th kind of implementation of second aspect,
The determining unit, if being additionally operable to the letter that the first community is configured on identical time slot with the bcch carrier of the second community
Road is Traffic Channel, then one cell of selection in the first community and the second community；
The power adjustment unit, the bcch carrier for being additionally operable to reduce one cell are defeated on the identical time slot
Go out power.
It is with reference to second implementation of second aspect, in the 5th kind of implementation of second aspect, described to determine list
Unit, if the bcch carrier for being additionally operable to the first community, the second community with the 3rd cell is configured on identical time slot
Channel be Traffic Channel, then in the first community, the second community and the 3rd cell select two cells；
The power adjustment unit, the bcch carrier for being additionally operable to reduce described two cells are defeated on the identical time slot
Go out power.
With reference to second aspect, in the 6th kind of implementation of second aspect, the network equipment includes network side control
Node processed, first base station and the second base station；
The network controls node includes the determining unit and transmitting element；
The transmitting element, for sending the first gap information that the determining unit determines to the first base station, with
And the second gap information of the determining unit determination is sent to second base station；
The first base station includes the first receiving unit, the first Slot setting unit and first power adjustment unit；
First receiving unit, for receiving the first gap information that the network controls node sends；
First Slot setting unit, for arranging the BCCH channels of the first community in first slot transmission
Power；
Second base station includes the second receiving unit, the second Slot setting unit and second power adjustment unit；
Second receiving unit, for receiving the second gap information that the network controls node sends；
Second Slot setting unit, for arranging the BCCH channels of the second community in second slot transmission
Power；
Wherein, the first community belongs to the first base station, and the second community belongs to second base station.
In the embodiment of the present invention, network equipment determines the BCCH channels of first community in the first slot transmission power, really
The BCCH channels for determining second community are differed in the second slot transmission power, the second time slot and the first time slot so that with identical
The BCCH channels of the first community and second community of bcch carrier frequency can stagger time slot send out work(；Network equipment reduces by first
Output of the bcch carrier of cell on the second time slot, reduces the bcch carrier output on the first slot of second community
Power, can substantially reduce the interference between first community and second community BCCH channel, therefore, using embodiment of the present invention energy
Enough interference for reducing BCCH channels in the case of the frequency multiplexing closely of BCCH carrier wave, so as to ensure user equipment
It is normal resident.
Description of the drawings
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, below will be to making needed for embodiment description
With accompanying drawing simply introduced, it should be apparent that, drawings in the following description are some embodiments of the present invention, for this
For the those of ordinary skill of field, without having to pay creative labor, can be obtaining other according to these accompanying drawings
Accompanying drawing.
Fig. 1 is a kind of multiplexing method flow chart of broadcast control channel BCCH carrier wave frequency point in the embodiment of the present invention；
Fig. 2 is the multiplexing method flow chart of another kind of broadcast control channel BCCH carrier wave frequency point in the embodiment of the present invention；
Fig. 2 a are bcch carrier time delay adjustment in a kind of cell with identical bcch carrier frequency in the embodiment of the present invention
Time slot map；
Fig. 2 b there is bcch carrier time delay in the cell of identical bcch carrier frequency to adjust for another kind of in the embodiment of the present invention
Whole time slot map；
Fig. 3 is a kind of structural representation of network equipment in the embodiment of the present invention；
Fig. 4 is the structural representation of another kind of network equipment in the embodiment of the present invention；
Fig. 5 is the structural representation of another network equipment in the embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.Based on this
Embodiment in invention, the every other reality obtained under the premise of creative work is not made by those of ordinary skill in the art
Example is applied, the scope of protection of the invention is belonged to.
As shown in figure 1, a kind of multiplexing method of broadcast control channel BCCH carrier wave frequency point provided in an embodiment of the present invention, by
Network equipment is performed, and can be specifically base station and/or network controls node, for example, in gsm system, the network side sets
Standby can be base station（Base transceiver station, BTS）, or base station controller（base station
Controller, BSC）, it is described in detail below.
101st, determine the BCCH channels of first community in the first slot transmission power.
Wherein, when network equipment is base station, the BCCH channels of the determination first community in step 101 are in the first time slot
Transmission power can also include the time of the BCCH channel emission powers that first community is arranged according to the first time slot so that first is little
The BCCH channels in area are in the first slot transmission power.For example, in gsm system, on bcch carrier, there are 8 time slots（Timeslot,
TS）, first time slot can be any one in 8 time slots.
102nd, determine the BCCH channels of second community in the second slot transmission power.
Wherein, second time slot and first time slot are differed, the bcch carrier of the first community and the second community
Frequency is the interference value between the first frequency, and the first community and the bcch carrier of the second community more than preset value, should
Preset value can be set in advance in inside network equipment, it is also possible to according to user need network equipment is configured；
Bcch carrier frequency refers to the frequency of BCCH channels place carrier wave.
It is pointed out that second time slot and first time slot are referred to same fundamental clock source, for example, when this
When one cell and the second community belong to same base station, the fundamental clock source can be the clock source of base station；It is first little when this
Area and the second community are not belonging to same base station, but when belonging to consolidated network side control node, the fundamental clock source can be
The clock source of network controls node；When first community and second community are not belonging to same base station, same net is also not belonging to
During the control node of network side, it is assumed that satellite synchronization is adopted between base station, then the fundamental clock source is the clock source of satellite, does not enter herein
Row is limited.
103rd, reduce output of the bcch carrier of the first community on second time slot.
It should be noted that the time slot in prior art on bcch carrier carrys out output work with default maximum power value
Rate, step 103 are specifically as follows：Output on second time slot is downward on the basis of the default maximum power value
Adjustment.
Specifically, reducing the bcch carrier of the first community can be using being implemented as follows in the output of second time slot
Mode：
Mode one, the bcch carrier to the first community reduce predetermined amplitude in the output of the second time slot；
Mode two, power amplifier of the bcch carrier in the second time slot for closing the first community.
Wherein, above-mentioned predetermined amplitude can be set in advance in the performance number size inside network equipment, or above-mentioned pre-
If maximum power value ratio, for example, predetermined amplitude is 1/3rd of above-mentioned default maximum power value.
104th, reduce output of the bcch carrier of the second community on first time slot.
Wherein, the specific embodiment of step 104 may refer to step 103.
In the present embodiment, determine that the BCCH channels of first community, in the first slot transmission power, determine second community
In the second slot transmission power, second time slot and first time slot are differed BCCH channels so that with identical bcch carrier
The BCCH channels of the first community and second community of frequency are in different slot transmission power；Additionally, reducing the first community
Output of the bcch carrier on second time slot, reduces output of the bcch carrier of the second community on first time slot
Power, reduces the interference between BCCH channels in the different districts with identical bcch carrier frequency, has so as to ensure that
The coverage of the cell of identical bcch carrier frequency, is especially multiplexed under close scene in BCCH frequencies and can substantially reduce tool
There is the interference of the cell of identical bcch carrier frequency, lift service quality.
In a kind of implement scene of above-described embodiment, also include after step 102：
According to above-mentioned first time slot and above-mentioned second time slot, determine the BCCH channels of the 3rd cell in the 3rd slot transmission work(
Rate；
The bcch carrier of bcch carrier and above-mentioned second community of above-mentioned first community is reduced on above-mentioned 3rd time slot
Output；
Reduce output of the bcch carrier of above-mentioned 3rd cell on above-mentioned first time slot and above-mentioned second time slot.
Wherein, above-mentioned 3rd time slot is differed with above-mentioned first time slot and above-mentioned first time slot, above-mentioned 3rd cell
Bcch carrier frequency is above-mentioned first frequency, and the bcch carrier of the bcch carrier of above-mentioned 3rd cell and above-mentioned first community it
Between interference value be more than the preset value, or, the bcch carrier of above-mentioned 3rd cell and the bcch carrier of above-mentioned second community
Between interference value be more than above-mentioned preset value.
It should be noted that can also include that in above-mentioned implement scene the power of the BCCH channels for determining the 4th cell is sent out
Time slot is penetrated, is not limited herein.
Under a kind of implementation in above-mentioned implement scene, said method can also include：
If channel of the bcch carrier of above-mentioned first community, above-mentioned second community and above-mentioned 3rd cell on identical time slot
Traffic Channel is, then two cells of selection in above-mentioned first community, above-mentioned second community and above-mentioned 3rd cell；
Reduce output of the bcch carrier of above-mentioned two cell on above-mentioned identical time slot.
Alternatively, under above-mentioned implementation, in order to ensure that UE preferably can be resident on the bcch carrier, for example, can
To ensure that in the selection course of above-mentioned two cell at least there is a TCH channel on the bcch carrier in each cell adopts
Default maximum power value output.
Under another kind of implement scene, after step 104, following steps can be performed：
105a, output of the bcch carrier on each time slot in addition to the first time slot and the second time slot for reducing first community
Power；
106a, reduce second community bcch carrier on each time slot in addition to the first time slot and above-mentioned second time slot
Output.
It is pointed out that as each time slot on bcch carrier in addition to the time slot of BCCH channels place will be reduced
The process of output, if one realizing by the way of reducing transmission power in the step 103, the output work of above-mentioned each time slot
Rate is only capable of the nearer scope in coverage distance base station, and correspondingly, the channel distribution on above-mentioned each time slot can be given by network equipment
Apart from the user equipment that base station is nearer, to ensure service quality.
By execution step 105a and 106a, can further reduce BCCH in the cell with identical bcch carrier frequency
Interference between carrier wave.
Under another implement scene, after step 104, following steps are can also carry out：
If the channel of 105b, above-mentioned first community with the bcch carrier of above-mentioned second community on identical time slot is business
Channel, then in above-mentioned first community and above-mentioned second community select a cell；
106b, output of the bcch carrier on above-mentioned identical time slot for reducing said one cell.
By performing above-mentioned steps 105b and 106b, limited TCH channel numbers can be reduced, it is more so as to ensure
TCH channels can be fully utilized.
Under another implement scene, before step 101, following steps can be performed：
The channel of the first time slot of the bcch carrier of configuration second community is Traffic Channel；
The channel of the second time slot of the bcch carrier of configuration first community is Traffic Channel.
Wherein, above-mentioned Traffic Channel includes voice traffic channel and data traffic channels.
Can avoid reducing the output of non-traffic channel by performing above-mentioned steps, so as to avoid non-traffic channel
The decline of operational indicator caused by the reduction of output.
As shown in Fig. 2 a kind of multiplexing method of broadcast control channel BCCH carrier wave frequency point provided in an embodiment of the present invention, by
Network equipment is performed, and the network equipment can include base station and network controls node, wherein, network controls node can
Think base station controller, it is described in detail below.
201st, network controls node determines the BCCH channels of first community in the first slot transmission power.
202nd, network controls node determines the BCCH channels of second community in the second slot transmission power.
Wherein, the concrete grammar in step 201 and 202 may refer to step 102.
Wherein, first community and second community are adjacent or close cell, with identical bcch carrier frequency, and two
Interference between cell exceedes preset value.
203rd, network controls node sends the first notification message to the first base station belonging to first community.
Wherein, the first notification message carries the first gap information, and first gap information includes above-mentioned first community
The time slot being located during BCCH channel emission powers, or, the time slot being located during the BCCH channel emission powers of above-mentioned first community
Corresponding time delay, wherein, the time delay with reference to fundamental clock source, for representing bcch carrier or BCCH
Each channel on base station that carrier wave is located postpones the time of transmission power on the basis of fundamental clock source, for example, in GSM systems
In system, can be using the clock source of network controls node as fundamental clock source, the fundamental clock source is divided into 8 according to the time
Time slot (0～time slot of time slot 7), the time interval between two neighboring time slot is 0.577ms.Under normal circumstances, network controls section
It is 0ms that point arranges the bcch carrier time delay of first community, and now, the BCCH channels of first community are launched in time slot 0
Power.Assume that network controls node determines that the BCCH channels of first community in 1 transmission power of time slot, then arrange first community
Bcch carrier time delay with reference to the fundamental clock source be 0.577ms；Assume that network controls node determines that first is little
The BCCH channels in area in 4 transmission power of time slot, then arrange first community bcch carrier time delay with reference to this it is basic when
Zhong Yuanwei 4*0.577ms,.If conversely, the time delay of first community BCCH channel is 4* with reference to the fundamental clock source
0.577ms, then the BCCH channels of first community are in 4 transmission power of time slot.
204th, first base station arranges the BCCH channels of first community in the first slot transmission power according to the first notification message.
Wherein, step 204 specifically can be implemented as described below mode to adopt：
Mode one, first base station arranges the time of bcch carrier transmission power in first community, for example, in first community
Increase the first time slot corresponding time delay during bcch carrier transmission power, i.e., each channel is when basic on bcch carrier
Postpone transmission power after the time delay on the basis of Zhong Yuan.
Mode two, first base station arranges the time of the first base station transmission power, for example, in first base station transmission power
Increase the corresponding time delay of the first time slot, i.e., each channel postpones the time on the basis of fundamental clock source in base station
Transmission power after retardation.
Alternatively, in step 203, the first notification message can also include the second gap information, or, before the step 204
Can also include that network controls node sends the second gap information to first base station, then execution step after step 204
205。
205th, first base station reduces output of the bcch carrier of first community on the second time slot.
Wherein, the specific embodiment of output of the bcch carrier of first community on the second time slot is reduced referring to step
Rapid 103.
206th, network controls node sends second notification message to the second base station belonging to second community.
Wherein, second notification message carries the second gap information, and BCCH of second gap information comprising second community believes
The time slot that road transmission power is located, or, the corresponding time delay of time slot at the BCCH channel emission powers place of second community
Amount, specific descriptions may refer to step 203.
It is pointed out that when first community and second community belong to same base station, first community and second community
The time slot that BCCH channel emission powers are located can carry and the same base station is sent in same notification message, not carry out herein
Limit.
207th, the second base station arranges the BCCH channels of second community in the second slot transmission power according to second notification message.
Wherein, the specific implementation of step 207 may refer to step 204.
Alternatively, the second notification message in step 206 can also include the first gap information, or step 207 it
Before can also include that network controls node sends the first gap information to the second base station, then the execution step after step 207
208。
208th, the bcch carrier of the second base station reduction second community output on the first slot.
Wherein, the specific embodiment of the bcch carrier of reduction second community output on the first slot is referring to step
Rapid 103.
It is pointed out that step 207 and 208 can be same by first base station and the second base station respectively with step 204 and 205
Step is performed, and is not limited herein.
Alternatively, under a kind of implement scene, first community and second community belong to first base station, then in step 203
The first notification message include the second gap information, then can not execution step 206-208, in step 204 also include the first base
Stand and the BCCH channels of second community are set in the second slot transmission power according to the first notification message；Also include the in step 205
The bcch carrier of one base station reduction second community output on the first slot.
Additionally, step 204 employing mode one, i.e. first base station are respectively provided with bcch carrier in first community and second community
The time of transmission power.
Alternatively, under another kind of implement scene, also include after step 208：
If the 209, channel of the first community with the bcch carrier of second community on identical time slot is Traffic Channel, network
Side control node selects a cell in first community and second community, sends the cell reduction BCCH loads that message informing is selected
Output of the ripple on above-mentioned identical time slot.
Wherein, the identical time slot in step 209 refers to the time slot with fundamental clock source as reference, the phase in fundamental clock source
Description is closed referring to step 102；The specific embodiment of output of the bcch carrier on above-mentioned identical time slot is reduced referring to step
Rapid 103, it is below as a example by reducing predetermined amplitude, specific as follows：
Assume that the channel of all time slots on the bcch carrier of first community and second community in addition to BCCH channels is matched somebody with somebody
It is set to TCH（Traffic channel, Traffic Channel）, and the BCCH channels of first community are determined in TS0 transmission powers, second
The BCCH channels of cell in TS2 transmission powers, then after performing above-mentioned steps 201-208, first community and second community
The time slot that BCCH channel emission powers are located as shown in Figure 2 a, due to the TS1 of bcch carrier in first community and second community,
TS3 and TS4-TS7 are Traffic Channel, then network controls node determine reduce first community bcch carrier in TS3, TS5 and
Output on TS7, and determine reduction output of the second community on TS1, TS4 and TS6, it is concrete such as Fig. 2 b institutes
Show.
210th, first base station receives message, and obtaining reduces the time slot of transmission power on first community bcch carrier, and reduces
Output on the time slot.
211st, the second base station receives message, and obtaining reduces the time slot of transmission power on second community bcch carrier, and reduces
Output on the time slot.
Alternatively, under another implement scene, also include before step 201：
The channel of the first time slot of the bcch carrier of configuration second community is Traffic Channel；
The channel of the second time slot of the bcch carrier of configuration first community is Traffic Channel.
In the present embodiment, network controls node determines the BCCH channels of first community in the first slot transmission power,
Determine the BCCH channels of second community in the second slot transmission power；First time slot and the second time slot are divided by network controls node
First base station and the second base station are not sent to；First base station arranges the BCCH channels of first community in the first slot transmission power,
And reduce output of the first community bcch carrier on the second time slot；Second base station arranges the BCCH channels of second community and exists
Second slot transmission power, and second community bcch carrier output on the first slot is reduced, so as to reduce different bases
Interference in the cell with identical bcch carrier frequency of standing down between BCCH channels, is especially multiplexed close field in BCCH frequencies
The interference of the cell with identical bcch carrier frequency can be substantially reduced under scape, service quality is lifted.
As shown in figure 3, a kind of network equipment 300 provided in an embodiment of the present invention, including：Determining unit 301, the first work(
Rate adjustment unit 302 and the second power adjustment unit 303.The network equipment can be base station or network controls node,
Can also be network controls node and base station, specifically can be used for performing the method shown in Fig. 1 or Fig. 2.
Determining unit 301, for determining the BCCH channels of first community in the first slot transmission power.
Wherein it is determined that unit 301 determines that the BCCH channels of first community can also include root in the first slot transmission power
Is set according to the first time slot so that the BCCH channels of first community are in the first slot transmission work(the time of BCCH channel emission powers
Rate.
Determining unit 301, is additionally operable to determine the BCCH channels of second community in the second slot transmission power.
Wherein, the second time slot and the first time slot are differed, and the frequency of the bcch carrier of first community and second community is
Interference value between first frequency, and first community and the bcch carrier of second community is more than preset value, and the preset value can be pre-
First it is arranged on inside network equipment, it is also possible to modified by input equipment or external equipment, be not limited herein.
First power adjustment unit 302, for reducing output of the bcch carrier of first community on the second time slot.
Second power adjustment unit 303, for reducing the bcch carrier of second community output on the first slot.
Wherein, the first power adjustment unit 302 and the second power adjustment unit 303 can be specifically retouched in adopting step 103
The specific embodiment stated reduces output, and here is omitted.
Alternatively, network equipment 300 also includes dispensing unit 304, specific as follows：
Dispensing unit 304, the channel for configuring the first time slot of the bcch carrier of second community are Traffic Channel；
Dispensing unit 304, the channel for being additionally operable to the second time slot of the bcch carrier of configuration first community are Traffic Channel.
Alternatively, network equipment also includes the 3rd power adjustment unit 305.
Determining unit 301, is additionally operable to be determined according to the first time slot and the second time slot the BCCH channels of the 3rd cell the 3rd
Slot transmission power.
Wherein, the 3rd time slot is differed with the first time slot and the first time slot, and the bcch carrier frequency of the 3rd cell is institute
The interference value stated between the first frequency, and the bcch carrier and the bcch carrier of first community of the 3rd cell is default more than above-mentioned
Value, or, the interference value between the bcch carrier and the bcch carrier of second community of the 3rd cell is more than above-mentioned preset value.
First power adjustment unit 302, is additionally operable to reduce output work of the bcch carrier of first community on the 3rd time slot
Rate；
Second power adjustment unit 303, is additionally operable to reduce output work of the bcch carrier of second community on the 3rd time slot
Rate；
3rd power adjustment unit 305, is additionally operable to reduce the bcch carrier of the 3rd cell in the first time slot and the second time slot
On output.
Alternatively, the first power adjustment unit 302, be additionally operable to reduce the bcch carrier of first community except the first time slot and
The output on each time slot outside second time slot；
Second power adjustment unit 303, is additionally operable to reduce the bcch carrier of second community except the first time slot and when second
The output on each time slot outside gap.
Optionally it is determined that unit 301, if be additionally operable to first community matching somebody with somebody on identical time slot with the bcch carrier of second community
The channel put is Traffic Channel, then one cell of selection in first community and second community；
If it is determined that when one cell of selection of unit 301 is first community, the first power adjustment unit 302 is additionally operable to reduce
Output of the bcch carrier on above-mentioned identical time slot in first community；
If it is determined that when the cell that unit 301 is selected is second community, the second power adjustment unit 303 is additionally operable to drop
Output of the bcch carrier on above-mentioned identical time slot in low second community.
Optionally it is determined that unit 301, if being additionally operable to the bcch carrier of first community, second community and the 3rd cell in phase
Traffic Channel is with the channel configured on time slot, then two cells of selection in first community, second community and the 3rd cell；
If it is determined that when including first community in two cells of the selection of unit 301, the first power adjustment unit 302 is also used
Output of the bcch carrier on the identical time slot in the first community is reduced；
If it is determined that when including second community in two cells of the selection of unit 301, the second power adjustment unit 303 is also used
Output of the bcch carrier on the identical time slot in the second community is reduced；
If it is determined that when including three cells in two cells of the selection of unit 301, the 3rd power adjustment unit 305 is also used
Output of the bcch carrier on the identical time slot in the 3rd cell is reduced.
In the present embodiment, determine that the BCCH channels of first community, in the first slot transmission power, determine second community
In the second slot transmission power, second time slot and first time slot are differed BCCH channels so that with identical bcch carrier
The BCCH channels of the first community and second community of frequency are in different slot transmission power；Additionally, reducing the first community
Output of the bcch carrier on second time slot, reduces output of the bcch carrier of the second community on first time slot
Power, reduces the interference between BCCH channels in the different districts with identical bcch carrier frequency, has so as to ensure that
The coverage of the cell of identical bcch carrier frequency, is especially multiplexed under close scene in BCCH frequencies and can substantially reduce tool
There is the interference of the cell of identical bcch carrier frequency, lift service quality.
Alternatively, as shown in figure 4, used as a kind of embodiment, network equipment 300 includes：Network controls node
300a, first base station 300b and the second base station 300c.
Network controls node 300a can be used for the step of performing the network controls node in embodiment illustrated in fig. 2；
First base station 300b and the second base station 300c can be used for the step for performing first base station or the second base station in embodiment illustrated in fig. 2
Suddenly.
Network controls node 300a includes determining unit 301 and transmitting element 306, specific as follows：
Transmitting element 306, for sending first gap information and the second gap information of the determination of determining unit 301 to first
Base station 300b, and first gap information and the second gap information of the determination of determining unit 301 are sent to the second base station 300c.
Wherein, the associated description of the first gap information is referring to step 203；The associated description of the second time slot is referring to step 206.
First base station 300b includes the first receiving unit 307, the first Slot setting unit 308 and the first power adjustment unit
302；
First receiving unit 307, for receiving the first gap information of network controls node 300a transmissions and when second
Gap information；
First Slot setting unit 308, for arranging the BCCH channels of first community in the first slot transmission power；
Second base station 300c includes the second receiving unit 309, the second Slot setting unit 310 and the second power adjustment unit
303；
Second receiving unit 309, for receiving the first gap information of network controls node 300a transmissions and when second
Gap information；
Second Slot setting unit 310, for arranging the BCCH channels of second community in the second slot transmission power.
Wherein, first community belongs to first base station, and second community belongs to the second base station.
Using above-mentioned embodiment, network controls node determines the BCCH channels of first community in the first slot transmission work(
Rate, determines the BCCH channels of second community in the second slot transmission power；Network controls node is by the first gap information and
Two gap informations are sent respectively to first base station and the second base station；First base station arranges the BCCH channels of first community at first
Gap transmission power, reduces output of the first community bcch carrier on the second time slot；Second base station arranges second community
BCCH channels reduce second community bcch carrier output on the first slot, reduce in the second slot transmission power
Interference under different base station in the cell with identical bcch carrier frequency between BCCH channels, it is especially tight in the multiplexing of BCCH frequencies
The interference of the cell with identical bcch carrier frequency can be substantially reduced under close scene, service quality is lifted.
As shown in figure 5, a kind of network equipment 500 provided in an embodiment of the present invention, including：Processor 501, receptor
502 and emitter 503.The network equipment can be base station or network controls node, or network controls section
Point and base station, specifically can be used for performing the method shown in Fig. 1 or Fig. 2.
Processor 501, for determining the BCCH channels of first community in the first slot transmission power.
Wherein, processor 501 determines that the BCCH channels of first community can also include basis in the first slot transmission power
First time slot arranges the time of BCCH channel emission powers so that the BCCH channels of first community are in the first slot transmission power.
Processor 501, is additionally operable to determine the BCCH channels of second community in the second slot transmission power.
Wherein, the second time slot and the first time slot are differed, and the frequency of the bcch carrier of first community and second community is
Interference value between first frequency, and first community and the bcch carrier of second community is more than preset value, and the preset value can be pre-
First it is arranged on inside network equipment, it is also possible to modified by user.
Processor 501, is additionally operable to：
Reduce output of the bcch carrier of first community on the second time slot；
The bcch carrier of reduction second community output on the first slot.
Wherein, above-mentioned reduction output can specifically adopt the specific embodiment described in step 103, herein no longer
Repeat.
Alternatively, processor 501, are additionally operable to：
The channel of the first time slot of the bcch carrier of configuration second community is Traffic Channel；
The channel of the second time slot of the bcch carrier of configuration first community is Traffic Channel.
Alternatively, processor 501 is additionally operable to according to the first time slot and the second time slot, determines that the BCCH channels of the 3rd cell exist
3rd slot transmission power.
Wherein, the 3rd time slot is differed with the first time slot and the first time slot, and the bcch carrier frequency of the 3rd cell is institute
The interference value stated between the first frequency, and the bcch carrier and the bcch carrier of first community of the 3rd cell is default more than above-mentioned
Value, or, the interference value between the bcch carrier and the bcch carrier of second community of the 3rd cell is more than above-mentioned preset value.
Processor 501 is additionally operable to：
Reduce output of the bcch carrier of first community on the 3rd time slot；
Reduce output of the bcch carrier of second community on the 3rd time slot；
Reduce output of the bcch carrier of the 3rd cell on the first time slot and the second time slot.
Alternatively, processor 501 is additionally operable to：
Reduce output of the bcch carrier of first community on each time slot in addition to the first time slot and the second time slot；
Reduce output of the bcch carrier of second community on each time slot in addition to the first time slot and the second time slot.
Alternatively, processor 501 is additionally operable to：
If the channel that first community is configured on identical time slot with the bcch carrier of second community is Traffic Channel,
A cell is selected in first community and second community；
If one cell of selection is first community, in reducing first community, bcch carrier is defeated on above-mentioned identical time slot
Go out power；
If the cell for selecting is second community, in reducing second community, bcch carrier is on above-mentioned identical time slot
Output.
Alternatively, processor 501 is additionally operable to：
If the channel that first community, second community are configured on identical time slot with the bcch carrier of the 3rd cell is business
Channel, then in first community, second community and the 3rd cell select two cells；
If when in two cells for selecting comprising first community, in reducing the first community, bcch carrier is described identical
Output on time slot；Or,
If when in two cells for selecting comprising second community, in reducing the second community, bcch carrier is described identical
Output on time slot；Or,
If when in two cells for selecting comprising three cells, in reducing the 3rd cell, bcch carrier is described identical
Output on time slot.
Alternatively, when network equipment includes first base station, the second base station and network controls node, network controls
Node includes processor 501, receptor 502 and emitter 503；First base station includes first processor 504, the first receptor
505 and first transmitter 506；Second base station includes second processing device 507, the second receptor 508 and second transmitter 509.
Emitter 503, the first gap information determined for transmission processe device 501 and the second gap information are to first community
Affiliated first base station；
Emitter 503, the first gap information and the second gap information for being additionally operable to the determination of transmission processe device 501 are little to second
The second base station belonging to area.
First receptor 505, for receiving first gap information and the second gap information of the transmission of network controls node；
First processor 504, for arranging the BCCH channels of first community in the first slot transmission power；
First processor 504, is additionally operable to reduce output of the bcch carrier of first community on the second time slot；
First transmitter 506, for the output transmission power according to first processor 504.
Second receptor 508, for receiving first gap information and the second gap information of the transmission of network controls node；
Second processing device 507, for arranging the BCCH channels of second community in the second slot transmission power；
Second processing device 507, is additionally operable to reduce the bcch carrier output on the first slot of second community；
Second transmitter 509, for the output transmission power according to second processing device 507.
In the present embodiment, determine that the BCCH channels of first community, in the first slot transmission power, determine second community
In the second slot transmission power, second time slot and first time slot are differed BCCH channels so that with identical bcch carrier
The BCCH channels of the first community and second community of frequency are in different slot transmission power；Additionally, reducing the first community
Output of the bcch carrier on second time slot, reduces output of the bcch carrier of the second community on first time slot
Power, reduces the interference between BCCH channels in the different districts with identical bcch carrier frequency, has so as to ensure that
The coverage of the cell of identical bcch carrier frequency, is especially multiplexed under close scene in BCCH frequencies and can substantially reduce tool
There is the interference of the cell of identical bcch carrier frequency, lift service quality.
One of ordinary skill in the art will appreciate that：Realize that all or part of step of said method embodiment can pass through
Completing, aforesaid program can be stored in computer read/write memory medium the related hardware of programmed instruction, and the program exists
During execution, the step of including said method embodiment is performed；And aforesaid storage medium includes：ROM, RAM, magnetic disc or CD
Etc. it is various can be with the medium of store program codes.
Finally it should be noted that：Above example only to illustrate technical scheme, rather than a limitation；Although
With reference to the foregoing embodiments the present invention has been described in detail, it will be understood by those within the art that：Which still may be used
To modify to the technical scheme described in foregoing embodiments, or equivalent is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (13)
1. a kind of multiplexing method of broadcast control channel BCCH carrier wave frequency point, it is characterised in that methods described includes：
Determine the BCCH channels of first community in the first slot transmission power；
The BCCH channels of second community are determined in the second slot transmission power, second time slot and first time slot not phase
Together, the frequency of the bcch carrier of the first community and the second community is the first frequency, and the first community and institute
The interference value stated between the bcch carrier of second community is more than preset value；
Reduce output of the bcch carrier of the first community on second time slot；
Reduce output of the bcch carrier of the second community on first time slot.
2. method according to claim 1, it is characterised in that methods described also includes：
The channel for configuring first time slot of the bcch carrier of the second community is Traffic Channel；
The channel for configuring second time slot of the bcch carrier of the first community is Traffic Channel.
3. method according to claim 1 and 2, it is characterised in that methods described also includes：
According to first time slot and second time slot, determine the BCCH channels of the 3rd cell in the 3rd slot transmission power；
Reduce the output of the bcch carrier on the 3rd time slot of the bcch carrier and the second community of the first community
Power；
Reduce output of the bcch carrier of the 3rd cell on first time slot and second time slot；
Wherein, the 3rd time slot is differed with first time slot and second time slot；The BCCH of the 3rd cell
Carrier frequency point is first frequency；And between the bcch carrier of the 3rd cell and the bcch carrier of the first community
Interference value is more than the preset value, or, between the bcch carrier of the 3rd cell and the bcch carrier of the second community
Interference value be more than the preset value.
4. method according to claim 1 and 2, it is characterised in that methods described also includes：
The bcch carrier of the first community is reduced on each time slot in addition to first time slot and second time slot
Output；
The bcch carrier of the second community is reduced on each time slot in addition to first time slot and second time slot
Output.
5. method according to claim 1 and 2, it is characterised in that methods described also includes：
If the channel that the first community is configured on identical time slot with the bcch carrier of the second community is Traffic Channel,
Then in the first community and the second community select a cell；
Reduce output of the bcch carrier of one cell on the identical time slot.
6. method according to claim 3, it is characterised in that methods described also includes：
If the channel that the first community, the second community are configured on identical time slot with the bcch carrier of the 3rd cell
Traffic Channel is, then two cells of selection in the first community, the second community and the 3rd cell；
Reduce output of the bcch carrier of described two cells on the identical time slot.
7. a kind of network equipment, it is characterised in that include：
Determining unit, for determining the BCCH channels of first community in the first slot transmission power；
The determining unit, is additionally operable to determine the BCCH channels of second community in the second slot transmission power, second time slot
Differ with first time slot, the frequency of the bcch carrier of the first community and the second community is the first frequency,
And the interference value between the bcch carrier of the first community and the second community is more than preset value；
First power adjustment unit, for reducing output work of the bcch carrier of the first community on second time slot
Rate；
Second power adjustment unit, for reducing output work of the bcch carrier of the second community on first time slot
Rate.
8. network equipment according to claim 7, it is characterised in that also include：
Dispensing unit, the channel for configuring first time slot of the bcch carrier of the second community are Traffic Channel；
The dispensing unit, the channel of second time slot of the bcch carrier for being additionally operable to configure the first community is business letter
Road.
9. the network equipment according to claim 7 or 8, it is characterised in that also including the 3rd power adjustment unit；
The determining unit, is additionally operable to, according to first time slot and second time slot, determine the BCCH channels of the 3rd cell
In the 3rd slot transmission power；
First power adjustment unit, the bcch carrier for being additionally operable to reduce the first community are defeated on the 3rd time slot
Go out power；
Second power adjustment unit, the bcch carrier for being additionally operable to reduce the second community are defeated on the 3rd time slot
Go out power；
3rd power adjustment unit, is additionally operable to reduce the bcch carrier of the 3rd cell in first time slot and described
Output on second time slot；
Wherein, the 3rd time slot is differed with first time slot and second time slot；The BCCH of the 3rd cell
Carrier frequency point is first frequency；And between the bcch carrier of the 3rd cell and the bcch carrier of the first community
Interference value is more than the preset value, or, between the bcch carrier of the 3rd cell and the bcch carrier of the second community
Interference value be more than the preset value.
10. the network equipment according to claim 7 or 8, it is characterised in that
First power adjustment unit, is additionally operable to reduce the bcch carrier of the first community except first time slot and institute
State the output on each time slot outside the second time slot；
Second power adjustment unit, is additionally operable to reduce the bcch carrier of the second community except first time slot and institute
State the output on each time slot outside the second time slot.
11. network equipments according to claim 7 or 8, it is characterised in that
The determining unit, if be additionally operable to the first community configuring on identical time slot with the bcch carrier of the second community
Channel be Traffic Channel, then in the first community and the second community select a cell；
If described to select cell be the first community, first power adjustment unit is additionally operable to reduce described the
Output of the bcch carrier on the identical time slot in one cell；
If a cell of the selection is the second community, second power adjustment unit is additionally operable to reduce described
Output of the bcch carrier on the identical time slot in second community.
12. network equipments according to claim 9, it is characterised in that
The determining unit, if the bcch carrier for being additionally operable to the first community, the second community and the 3rd cell exists
The channel configured on identical time slot is Traffic Channel, then in the first community, the second community and the 3rd cell
Two cells of middle selection；
If include the first community in two cells of the selection, first power adjustment unit is additionally operable to reduce
Output of the bcch carrier on the identical time slot in the first community；
If include the second community in two cells of the selection, second power adjustment unit is additionally operable to reduce
Output of the bcch carrier on the identical time slot in the second community；
If include three cell in two cells of the selection, the 3rd power adjustment unit is additionally operable to reduce
Output of the bcch carrier on the identical time slot in 3rd cell.
13. network equipments according to claim 7, it is characterised in that the network equipment includes network controls
Node, first base station and the second base station；
The network controls node includes the determining unit and transmitting element；
The transmitting element, for sending the first gap information that the determining unit determines and the second gap information to described the
One base station and second base station；
The first base station includes the first receiving unit, the first Slot setting unit and first power adjustment unit；
First receiving unit, for receiving first gap information that the network controls node sends and described the
Two gap informations；
First Slot setting unit, for arranging the BCCH channels of the first community in the first slot transmission work(
Rate；
Second base station includes the second receiving unit, the second Slot setting unit and second power adjustment unit；
Second receiving unit, for receiving first gap information that the network controls node sends and described the
Two gap informations；
Second Slot setting unit, for arranging the BCCH channels of the second community in the second slot transmission work(
Rate；
Wherein, the first community belongs to the first base station, and the second community belongs to second base station.
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| CN2013073581 | 2013-04-01 |
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|---|---|---|---|---|
| CN101730165A (en) * | 2008-10-14 | 2010-06-09 | 鼎桥通信技术有限公司 | Switching method of N-frequency point co-frequency network |
| CN102082584A (en) * | 2009-11-26 | 2011-06-01 | 中国移动通信集团北京有限公司 | Interference detection method and interference detection device in time division synchronous code multiple address access system |
| WO2011143904A1 (en) * | 2010-05-17 | 2011-11-24 | 中兴通讯股份有限公司 | Methods and devices for mapping resources on broadcast control channel and data channel |
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2013
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101730165A (en) * | 2008-10-14 | 2010-06-09 | 鼎桥通信技术有限公司 | Switching method of N-frequency point co-frequency network |
| CN102082584A (en) * | 2009-11-26 | 2011-06-01 | 中国移动通信集团北京有限公司 | Interference detection method and interference detection device in time division synchronous code multiple address access system |
| WO2011143904A1 (en) * | 2010-05-17 | 2011-11-24 | 中兴通讯股份有限公司 | Methods and devices for mapping resources on broadcast control channel and data channel |
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