CN105230096A - Passive intermodulation signal disturbing dispatching method and device - Google Patents
Passive intermodulation signal disturbing dispatching method and device Download PDFInfo
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Abstract
The embodiment of the present invention provides a kind of passive intermodulation signal disturbing dispatching method and device, and wherein, the method comprises: according to N number of downlink signal of base station, obtain a PIM signal, described N be more than or equal to 2 integer; According to a described PIM signal, running time-frequency resource scheduling and/or power dispatching are carried out to described downlink signal, according to the downlink signal after described scheduling, generate the PIM signal after scheduling.Owing to carrying out running time-frequency resource scheduling and/or the power dispatching of downlink signal according to a PIM signal, thus a PIM signal that can reduce or evade after scheduling is to the interference of uplink receiving signal, and then improves the quality of up channel.
Description
Passive intermodulation signal disturbs dispatching method and engineering device technique field
The present embodiments relate to communication technical field, more particularly to a kind of passive intermodulation signal interference dispatching method and device.Background technology
Within a wireless communication network, antenna-feedback system is the important component of base station, antenna-feedback system is mainly made up of the passive component such as antenna and feeder line, passive component has non-linear, PIM (Passive Inter Modulation, passive intermodulation can be produced when multiple downlink signals that base station is sent are mixed in these passive components）Signal, under the configuration of some frequencies, the PIM signals produced by downlink signal can fall in the uplink receiving frequency range of base station, and PIM signals can be received as interference in company with uplink receiving signal by base station, so as to cause uplink signal-channel quality to decline.The content of the invention
Passive intermodulation signal interference dispatching method and device provided in an embodiment of the present invention, running time-frequency resource scheduling and/or power dispatching for carrying out downlink signal according to the first PIM signals, so as to reduce or evade interference of the first PIM signals after scheduling to uplink receiving signal, and then improve the quality of up channel.
In a first aspect, the embodiment of the present invention provides a kind of passive intermodulation signal interference dispatching method, including：According to N number of downlink signal of base station, the first PIM signals are obtained, the N is the integer more than or equal to 2；
According to the first PIM signals, running time-frequency resource scheduling and/or power dispatching are carried out to the downlink signal；
According to the downlink signal after the scheduling, the first PIM signals after generation scheduling.
In the first possible implementation of first aspect, in addition to：
According at least two of the base station default downlink signals, the 2nd PIM signals are obtained；Judge that the frequency range of the 2nd PIM signals and the uplink receiving frequency range of base station whether there is identical frequency resource；
N number of downlink signal according to base station, obtains the first PIM signals, including：If judging there is identical frequency resource in the frequency range of the first PIM signals and the uplink receiving frequency range of base station, according to N number of downlink signal of base station, obtain the first PIM signals.
With reference to the first possible implementation of first aspect or first aspect, in second of possible implementation of first aspect, N number of downlink signal according to base station obtains first
PIM signals, including：
According to the running time-frequency resource position of N number of downlink signal of base station, the running time-frequency resource position of the first PIM signals is obtained；
It is described that running time-frequency resource scheduling is carried out to the downlink signal according to the first PIM signals, including：
According to the running time-frequency resource position of the first PIM signals, running time-frequency resource scheduling is carried out to the downlink signal.
With reference to second of possible implementation of first aspect, in the third possible implementation of first aspect, in addition to：
According to the power of N number of downlink signal of base station, the power of the first PIM signals is obtained；It is described that running time-frequency resource scheduling is carried out to the downlink signal according to the first PIM signals, including：
According to the running time-frequency resource position of the first PIM signals and power, running time-frequency resource scheduling is carried out to the downlink signal.
With reference to second of possible implementation of first aspect, in the 4th kind of possible implementation of first aspect, the running time-frequency resource position according to the first PIM signals carries out running time-frequency resource scheduling to the downlink signal, including：
Differed according to the running time-frequency resource position and Physical Uplink Control Channel PUCCH running time-frequency resource position of the first PIM signals, running time-frequency resource scheduling is carried out to the downlink signal.
With reference to the third possible implementation of first aspect, in the 5th kind of possible implementation of first aspect, the running time-frequency resource position and power according to the first PIM signals, running time-frequency resource scheduling is carried out to the downlink signal, including：
It is different from the running time-frequency resource position for the first PIM signals that power is more than the first power according to the running time-frequency resource position of uplink receiving signal when the load of base station is less than the first load pre-value, running time-frequency resource scheduling is carried out to the downlink signal；
When the load of base station is more than the second load pre-value, according to the height of service quality QoS priority, pair it is ranked up with the user equipment (UE) of the base station communication, according to power from big to small the described in a PIM signals running time-frequency resource position and the sequence after the running time-frequency resource positions of uplink receiving signal that send of UE, running time-frequency resource scheduling is carried out to the downlink signal.
With reference to first aspect or any one possible implementation of first to the 5th kind of implementation of first aspect, in the 6th kind of possible implementation of first aspect, it is described that power dispatching is carried out to the downlink signal according to the first PIM signals, including：
According to the first PIM signals, the power of the scheduling reduction downlink signal, to reduce the power of the first PIM signals after the scheduling.
With reference to the 6th kind of possible implementation of first aspect, in the 7th kind of possible implementation of first aspect, described according to the first PIM signals, scheduling is reduced after the power of the downlink signal, in addition to：
The modulation of the scheduling reduction downlink signal and coding strategy MCS exponent numbers.
With reference to first aspect or any one possible implementation of first to the 7th kind of implementation of first aspect, in the 8th kind of possible implementation of first aspect, in addition to：
According to the first PIM signals, stop carrying out running time-frequency resource scheduling to the uplink receiving signal on reserved running time-frequency resource.
With reference to first aspect or any one possible implementation of first to the 8th kind of implementation of first aspect, in the 9th kind of possible implementation of first aspect, in addition to：
According to the first PIM signals, the power of the scheduling rise uplink receiving signal.
Second aspect, the embodiment of the present invention provides a kind of passive intermodulation signal interference dispatching device, including:First acquisition unit, for N number of downlink signal according to base station, obtains the first PIM signals, the N is the integer more than or equal to 2；
Processing unit, for according to the first PIM signals, running time-frequency resource scheduling and/or power dispatching to be carried out to the downlink signal；
Generation unit, for according to the downlink signal after the scheduling, generating the first PIM signals after scheduling.
In the first possible implementation of second aspect, in addition to：
Second acquisition unit, for according at least two of the base station default downlink signals, obtaining the 2nd PIM signals；
Judging unit, for judging that the frequency range of the 2nd PIM signals and the uplink receiving frequency range of base station whether there is identical frequency resource；
If the first acquisition unit judges that the frequency range of the first PIM signals and the uplink receiving frequency range of base station have identical frequency resource specifically for the judging unit, according to N number of downlink signal of base station, the first PIM signals are obtained.
With reference to the first possible implementation of second aspect or second aspect, in second of possible implementation of second aspect, the first acquisition unit obtains the running time-frequency resource position of the first PIM signals specifically for the running time-frequency resource position of N number of downlink signal according to base station；
The processing unit, specifically for the running time-frequency resource position according to the first PIM signals, running time-frequency resource scheduling is carried out to the downlink signal.
With reference to second of possible implementation of second aspect, in the third possible implementation of second aspect, the first acquisition unit is additionally operable to the power of N number of downlink signal according to base station, obtains the power of the first PIM signals；
The processing unit carries out running time-frequency resource scheduling specifically for the running time-frequency resource position according to the first PIM signals and power to the downlink signal.
With reference to second of possible implementation of second aspect, in the 4th kind of possible implementation of second aspect, the processing unit is differed specifically for the running time-frequency resource position and Physical Uplink Control Channel PUCCH running time-frequency resource position according to the first PIM signals, and running time-frequency resource scheduling is carried out to the downlink signal.
With reference to the third possible implementation of second aspect, in the 5th kind of possible implementation of second aspect, the processing unit is specifically for when the load of base station is less than the first load pre-value, it is different from the running time-frequency resource position for the first PIM signals that power is more than the first power according to the running time-frequency resource position of uplink receiving signal, running time-frequency resource scheduling is carried out to the downlink signal；
When the load of base station is more than the second load pre-value, according to the height of service quality QoS priority, pair it is ranked up with the user equipment (UE) of the base station communication, according to power from big to small the described in a PIM signals running time-frequency resource position and the sequence after the running time-frequency resource positions of uplink receiving signal that send of UE, the running time-frequency resource of the downlink signal is scheduled.
With reference to second aspect or any one possible implementation of first to the 5th kind of implementation of second aspect, in the 6th kind of possible implementation of second aspect, the processing unit is specifically for according to the first PIM signals, the power of the scheduling reduction downlink signal, to reduce
The power of the first PIM signals after scheduling.
With reference to the 6th kind of possible implementation of second aspect, in the 7th kind of possible implementation of second aspect, the processing unit is additionally operable to modulation and the coding strategy MCS exponent numbers of the scheduling reduction downlink signal.
With reference to second aspect or any one possible implementation of first to the 7th kind of implementation of second aspect, in the 8th kind of possible implementation of second aspect, the processing unit is additionally operable to according to the first PIM signals, stops carrying out running time-frequency resource scheduling to the uplink receiving signal on reserved running time-frequency resource.
With reference to second aspect or any one possible implementation of first to the 8th kind of implementation of second aspect, in the 9th kind of possible implementation of second aspect, the processing unit is additionally operable to according to the first PIM signals, the power of the scheduling rise uplink receiving signal.
Passive intermodulation signal interference dispatching method and device provided in an embodiment of the present invention, pass through N number of downlink signal according to base station, obtain the first PIM signals, N is the integer more than or equal to 2, and according to the first PIM signals, running time-frequency resource scheduling and/or power dispatching are carried out to downlink signal, according to the downlink signal after scheduling, the first PIM signals after generation scheduling.Due to carrying out running time-frequency resource scheduling and/or power dispatching to downlink signal according to the first PIM signals, to generate the first PIM signals after scheduling, so that the first PIM signals after scheduling can reduce or evade the interference to uplink receiving signal, and then improve the quality of up channel.Brief description of the drawings is in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, the required accompanying drawing used in embodiment or description of the prior art will be briefly described below, apparently, drawings in the following description are some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the flow chart that passive intermodulation signal of the present invention disturbs dispatching method embodiment one；
Fig. 2 is the flow chart that passive intermodulation signal of the present invention disturbs dispatching method embodiment two；
Fig. 3 is a kind of schematic diagram of the running time-frequency resource position of the first PIM signals in Fig. 2；
Fig. 4 is the flow chart that passive intermodulation signal of the present invention disturbs dispatching method embodiment three；
Fig. 5 is the structural representation that passive intermodulation signal of the present invention disturbs dispatching device embodiment one；Fig. 6 is the structural representation that passive intermodulation signal of the present invention disturbs dispatching device embodiment two；
Fig. 7 is the structural representation that passive intermodulation signal of the present invention disturbs dispatching device embodiment three.Embodiment is to make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made belongs to the scope of protection of the invention.
Fig. 1 is the flow chart that passive intermodulation signal of the present invention disturbs dispatching method embodiment one, as shown in figure 1, the method for the present embodiment can be by network side equipment（For example, base station）To perform, the method for the present embodiment can include：
5101st, according to N number of downlink signal of base station, the first PIM signals are obtained, N is the integer more than or equal to 2.
The present embodiment is applied to FDD（Frequency Division Duplexing, referred to as：FDD) in scene, because PIM signals are in communication system analog device itself by least two downlink signals（Arm such as cable, duplexer and antenna feeder etc.）The influence of non-ideal factor generated, so in order to obtain the PIM signals that the downlink signal of base station is generated, all downlink signals of base station can be determined, all downlink signals of the base station are N number of, N is the integer more than or equal to 2, then the first PIM signals that N number of downlink signal is generated can in real time be obtained in real time according to N number of downlink signal of base station.
5102nd, according to the first PIM signals, running time-frequency resource scheduling and/or power dispatching are carried out to downlink signal.
5103rd, according to the downlink signal after scheduling, the first PIM signals after generation scheduling.In the present embodiment, after the first PIM signals that N number of downlink signal is generated are obtained in real time, running time-frequency resource scheduling and/or the power dispatching of downlink signal are carried out further according to the first PIM signals, so as to the downlink signal after being dispatched, then the first PIM signals after scheduling can be generated according to the downlink signal after scheduling, so as to reduce influence of the first PIM signals to uplink receiving channel quality after generated scheduling.
Specifically, in the prior art, running time-frequency resource is scheduled and is normally based on present channel quality user is scheduled, it is, in scheduling process, according to customer service situation and current
The running time-frequency resource that down channel carries out downlink signal to user is dispatched, dispatched according to the running time-frequency resource that customer service situation and current up channel carry out uplink receiving signal to user, and in the communication system that downlink signal can generate PIM signals, and the PIM signals can be received by up channel by base station, the time-frequency resource allocating mode of downlink signal can influence the distribution of PIM signals simultaneously, so that PIM signals disturb up channel, and then PIM signals can influence the quality of up channel.If carrying out excessive running time-frequency resource to downlink signal to dispatch, the interference increase of PIM signals can be caused, so as to cause uplink signal-channel quality severe exacerbation, and then the up-link service quality of communication system is influenceed.In the case where the interference of PIM signals is very big, the interruption of whole uplink business is even resulted in.
By contrast, in the present embodiment, after the first PIM signals are obtained, according to the first PIM signals, running time-frequency resource scheduling is carried out to downlink signal, the running time-frequency resource for carrying out downlink signal according to the first PIM signals is dispatched, by the first PIM signals are generated by N number of downlink signal, so being scheduled by carrying out running time-frequency resource scheduling to downlink signal to the interference of the first PIM signals, because the running time-frequency resource to downlink signal is dispatched, downlink signal after being dispatched, the first PIM signals after scheduling can be generated according to the downlink signal after scheduling, the first PIM signals after scheduling to cause generation are away from uplink receiving signal, and then interference of the reduction to uplink receiving signal, even eliminate the interference of PIM signals, to improve uplink signal-channel quality.
Specifically, in the prior art, power control strategy is to carry out Power Control according to current channel situation and user feedback merely, but in the case where the PIM signals that downlink signal is generated fall in uplink receiving channel, the transmission power of downlink signal can bring influence to uplink receiving signal, namely the transmission power of downlink signal is larger, the transmission power of the PIM signals then generated is also larger, and PIM signals can be as interference by uplink receiving, so that the noise of uplink receiving signal becomes big, so that down channel quality deteriorates.
By contrast, in the present embodiment, after the first PIM signals are obtained, power dispatching is carried out to downlink signal according to the first PIM signals, the power of downlink signal is reduced according to the first PIM signal dispatchings, because the power to downlink signal is reduced, obtain the downlink signal after power dispatching is reduced, the first PIM signals after power dispatching is reduced can be generated according to the downlink signal after scheduling, so that the power of the first PIM signals after scheduling is reduced, when the first PIM signals after scheduling are by uplink receiving, because the power of the first PIM signals after scheduling is small, so that the noise of uplink receiving signal diminishes, and then improve uplink signal-channel quality.
The PIM signals interference dispatching method that the embodiment of the present invention one is provided, by according to the N number of of base station
Downlink signal, obtains the first PIM signals, and N is the integer more than or equal to 2, and according to the first PIM signals, running time-frequency resource scheduling and/or power dispatching are carried out to downlink signal, according to the downlink signal after scheduling, the first PIM signals after generation scheduling.Due to carrying out running time-frequency resource scheduling and/or power dispatching to downlink signal according to the first PIM signals, to generate the first PIM signals after scheduling, so that the first PIM signals after scheduling can reduce or evade the interference to uplink receiving signal, and then improve the quality of up channel.
Fig. 2 is the flow chart that passive intermodulation signal of the present invention disturbs dispatching method embodiment two, as shown in Fig. 2 the method for the present embodiment can be by network side equipment（For example, base station）To perform, the method for the present embodiment can include：
S201, according at least two of base station default downlink signals, obtain the 2nd PIM signals.In the present embodiment, to base station, at least two default downlink signals are set, the center frequency point of each default downlink signal is different, and each preset the launching frequency that the center frequency point of downlink signal is base station, preferably, each default downlink signal is the wide signal of filled band.Assuming that base station, which can launch above-mentioned at least two, presets downlink signal, then according at least two default PIM signals of downlink signal acquisition the 2nd, 2nd PIM signals are generated by above-mentioned at least two default downlink signals, specifically, can be according to the formula of existing calculating PIM signals, with above-mentioned at least two default downlink signals, the center frequency point and video stretching of the frequency range of the 2nd PIM signals of acquisition, namely the 2nd PIM signals.
S202, the frequency range for judging the 2nd PIM signals and base station uplink receiving frequency range whether there is identical frequency resource；If so, S203 is then performed, if it is not, then performing S206.
In the present embodiment, after the 2nd PIM signals are obtained, it may determine that whether the 2nd PIM signals fall in the uplink receiving channel of base station, namely may determine that the frequency range of the 2nd PIM signals and the uplink receiving frequency range of base station whether there is identical frequency resource, if judging there is identical frequency resource in the frequency range of the 2nd PIM signals and the uplink receiving frequency range of base station, namely the 2nd PIM signals fall in the uplink receiving channel of base station, then perform S203, it is assumed that the frequency range of the 2nd PIM signals is
810-850MHZ, the uplink receiving frequency range of base station is 824-849MHz, then may determine that there is identical frequency resource between the 2nd PIM signals and the uplink receiving frequency range of base station, namely 824-850MHz.If judging, identical frequency resource is not present in the frequency range of the 2nd PIM signals and the uplink receiving frequency range of base station, namely the 2nd PIM signals do not fall within the uplink receiving channel of base station, then perform S206, assuming that the frequency range of the 2nd PIM signals is 810-850MHz, the uplink receiving frequency range of base station is
1875-1900MHz, then may determine that the uplink receiving frequency range of the 2nd PIM signals and base station does not have identical frequency resource.
S203, N number of downlink signal according to base station, obtain the first PIM signals.
In the present embodiment, judging that the frequency range of the 2nd PIM signals and the uplink receiving frequency range of base station have identical frequency resource, illustrate that the first PIM signals can produce interference to uplink receiving signal, N number of downlink signal of transmitting can be then actually subjected to according to base station, obtain the first PIM signals, specifically, base station can be according to the running time-frequency resource position of N number of downlink signal, obtain the running time-frequency resource position of the first PIM signals, namely the first PIM signals obtained are the data structure of a time-frequency two-dimensional, the data structure can be obtained by the formula of the first PIM signals of existing acquisition, Fig. 3 is a kind of schematic diagram of the running time-frequency resource position of the first PIM signals in Fig. 2, as shown in Figure 3, in time (Time) frequency shown in Fig. 3（Frequency) in two-dimentional resource, the running time-frequency resource shown in black is the running time-frequency resource where the first PIM signals, namely the region shown in black is the region for having the first PIM signals to disturb.
Further, the present embodiment according to the power of N number of downlink signal of base station, can also obtain the power of the first PIM signals, namely can be according to the power of N number of downlink signal of base station, power of the first PIM signals on different running time-frequency resources is obtained, for example：The present embodiment can set up the quantitative relationship of downlink signal and uplink receiving signal, the power of the first PIM signals on different running time-frequency resources is obtained according to downlink signal of change, S204 is closed so as to set up the power of downlink signal and the first PIM signals, according to the first PIM signals, and running time-frequency resource scheduling and/or power dispatching are carried out to downlink signal.
S205, according to the downlink signal after scheduling, the first PIM signals after generation scheduling.In the present embodiment, after the first PIM signals are obtained, running time-frequency resource scheduling and/or the power dispatching of downlink signal can be carried out according to the first PIM signals, specifically, the running time-frequency resource that M downlink signal can be carried out according to the first PIM signals is dispatched and/or power dispatching, and above-mentioned M is the integer less than or equal to N.
Can be according to the situation and the first PIM signals of uplink and downlink business, with QoS of customer in the present embodiment（QoS) it is scheduled for criterion.
In the first feasible implementation, according to the running time-frequency resource position of the first PIM signals, running time-frequency resource scheduling is carried out to downlink signal, after the running time-frequency resource position of the first PIM signals is obtained,
Running time-frequency resource position that can be according to the first PIM signals and Physical Uplink Control Channel (Physical Uplink Control CHannel, abbreviation：PUCCH running time-frequency resource position) is differed, and the running time-frequency resource of downlink signal is scheduled.By current Transmission Time Interval（Transmission Time Interval, referred to as：In Τ), running time-frequency resource scheduling can be carried out to current Τ downlink signal, and the running time-frequency resource where current Τ Τ Ι uplink receiving signal is scheduled good in preceding Κ Τ, Κ is the integer more than or equal to 1, so in current Τ, base station is the running time-frequency resource position for the uplink receiving signal for having had learned that current Τ, because uplink receiving signal includes PUCCH, so base station can determine current Τ PUCCH running time-frequency resource position, because the first PIM signals are by N number of downlink signal generation, the running time-frequency resource position of the first PIM signals can be changed by changing the running time-frequency resource position of N number of downlink signal, in order to improve the quality of up channel, it can ensure that the running time-frequency resource of the first PIM signals and PUCCH running time-frequency resource do not deposit identical running time-frequency resource, namely the running time-frequency resource position and PUCCH running time-frequency resource position according to the first PIM signals are differed, running time-frequency resource scheduling is carried out to M downlink signal of N number of downlink signal, N number of downlink signal after scheduling can so be obtained, then according to N number of downlink signal after scheduling, the first PIM signals after scheduling can be generated, the running time-frequency resource position of the first PIM signals and PUCCH running time-frequency resource position to cause after generation scheduling are differed, interference of the first PIM signals to PUCCH can so be evaded, so as to improve the quality of up channel.It is, for control channel, in the case of permission, not allowing the first PIM signals of downlink signal generation to fall in PUCCH channels as far as possible.
In second of feasible implementation, according to the running time-frequency resource position of the first PIM signals and power, running time-frequency resource scheduling is carried out to downlink signal, after the running time-frequency resource position of the first PIM signals and power is obtained, when the load of base station is less than the first load pre-value, the running time-frequency resource position for being more than the first PIM signals of the first power according to power is different from the running time-frequency resource position of uplink receiving signal, and the running time-frequency resource of downlink signal is scheduled；When the load of base station is less than the first load pre-value, illustrate base station and a small amount of user equipment（User Equipment, referred to as：UE) communicated, it is scheduled when due to the running time-frequency resource of current TTI uplink receiving signal being preceding K TTI, so being the running time-frequency resource position for the uplink receiving signal that can determine current Τ in current TTI base stations, due to having been obtained for power of the first PIM signals on different running time-frequency resources, when the power of the first PIM signals on a certain running time-frequency resource is more than the first power, it is considered that the first PIM signals to the interference of uplink receiving signal than larger, in order that the first PIM signals of this part do not influence uplink receiving signal, can be to the running time-frequency resource of M downlink signal in N number of downlink signal
It is scheduled, N number of downlink signal after scheduling can so be obtained, then according to N downlink signal after scheduling, the first PIM signals after scheduling can be generated, to cause the running time-frequency resource of the first PIM signals that power is more than after the scheduling of the first power that identical running time-frequency resource is not present with the running time-frequency resource of uplink receiving signal, namely power is different from the running time-frequency resource position of uplink receiving signal more than the running time-frequency resource position of the first PIM signals after the scheduling of the first power, it can so evade and disturb interference of the first PIM signals to uplink receiving signal after larger scheduling, so as to improve the quality of up channel.Preferably, can be different from the running time-frequency resource position of uplink receiving signal according to the running time-frequency resource position of all first PIM signals, running time-frequency resource scheduling is carried out to M downlink signal of N number of downlink signal, interference of all first PIM signals to uplink receiving signal can so be evaded, so as to improve the quality of up channel.
In the third feasible implementation, according to the running time-frequency resource position of the first PIM signals and power, carry out the running time-frequency resource scheduling of downlink signal, after the running time-frequency resource position of the first PIM signals and power is obtained, when the load of base station is more than the second load pre-value, according to the height of QoS priority, pair it is ranked up with the UE of base station communication, according to the running time-frequency resource position of the uplink receiving signals sent of the UE behind the running time-frequency resource position of the first PIM signals of power from big to small and sequence, the running time-frequency resource of downlink signal is scheduled.When the load of base station is more than the second load pre-value, illustrate that base station is communicated with substantial amounts of UE, it is scheduled when due to the running time-frequency resource of current TTI uplink receiving signal being preceding K TTI, so being the running time-frequency resource position for the uplink receiving signal that can determine current TTI in current TTI base stations, base station can be according to the height of user's QoS priority, pair it is ranked up with the UE of base station communication, namely according to user's QoS priority from low to high, UE is ranked up, the UE by low QoS priority is obtained to high QoS priority, therefore, base station can obtain the running time-frequency resource position of the uplink receiving signal transmitted by the different UE of each user's QoS priority.Due to having been obtained for power of the first PIM signals on different running time-frequency resources, the running time-frequency resource position of the first PIM signals of power from big to small can be obtained, influenceed to reduce or evade the uplink receiving signal transmitted by the UE of high QoS priority by the first PIM signals, if in the running time-frequency resource corresponding to current TTI, in the presence of reserved running time-frequency resource signal is received not used for dispatching uplink, the running time-frequency resource of M downlink signal in N number of downlink signal can then be dispatched, N number of downlink signal after scheduling can so be obtained, then according to N number of downlink signal after scheduling, the first PIM signals after scheduling can be generated, to cause the first PIM signals after high-power scheduling to be located on the reserved running time-frequency resource, and cause the first PIM signals after the small scheduling of remaining power
On the running time-frequency resource of the uplink receiving signal transmitted by the low UE of user's QoS priority.If in the running time-frequency resource corresponding to current TTI, all running time-frequency resources are used to dispatching uplink and receive signal, the running time-frequency resource of M downlink signal in N number of downlink signal can then be dispatched, N number of downlink signal after scheduling can so be obtained, then according to N number of downlink signal after scheduling, the first PIM signals after scheduling can be generated, to cause the first PIM signals after high-power scheduling on the running time-frequency resource of the uplink receiving signal transmitted by the low UE of user's QoS priority, and the first PIM signals after the small scheduling of power are located on the running time-frequency resource of the uplink receiving signal transmitted by the higher UE of user's QoS priority.
In the 4th kind of feasible implementation, according to the first PIM signals, the power of scheduling reduction downlink signal, to reduce the power of the first PIM signals after scheduling.In the case of can not staggering in the running time-frequency resource position of the running time-frequency resource position of the first PIM signals and uplink receiving signal, can also dispatch reduces the power of M downlink signal in N number of downlink signal, N number of downlink signal after power dispatching reduction can so be obtained, then N number of downlink signal after being reduced according to power dispatching, the first PIM signals after power dispatching reduction can be generated, due to the reduction of the power of the first PIM signals after scheduling, so as to reduce interference of the first PIM signals after scheduling to uplink receiving signal, and then the quality of up channel can be improved.Further, modulation and the coding strategy of reduction downlink signal can also be dispatched（Modulation and Coding Scheme, referred to as：MCS) exponent number, this is due to the power that scheduling reduces down M downlink signal in N number of row transmission signal, and MCS exponent numbers have corresponding relation with power, so can also be reduced the MCS exponent numbers of downlink signal.
It should be noted that, the 4th kind of above-mentioned feasible implementation can be with reference at least one of above-mentioned first to the third feasible implementation, to realize running time-frequency resource scheduling and power dispatching that downlink signal is carried out according to the first PIM signals.
S206, end flow.
In the present embodiment, judging that the frequency range of the 2nd PIM signals and the uplink receiving frequency range of base station do not deposit identical frequency resource, illustrate that the 2nd PIM signals will not produce interference to uplink receiving signal, it can then terminate to terminate flow in flow, the present embodiment namely running time-frequency resource scheduling can be carried out to downlink signal and uplink receiving signal using the scheme of prior art respectively.
The PIM signals interference dispatching method that the embodiment of the present invention two is provided, by according at least two of base station default downlink signals, the 2nd PIM signals being obtained, when the frequency range and base of the 2nd PIM signals
When there is identical frequency resource in the uplink receiving frequency range stood, according to N number of downlink signal of base station, obtain the first PIM signals, according to the first PIM signals, running time-frequency resource scheduling and/or power dispatching are carried out to downlink signal, and according to the downlink signal after scheduling, the first PIM signals after generation scheduling；Due to according to the first PIM signals, running time-frequency resource scheduling and/or power dispatching are carried out to downlink signal, so as to reduce or even evade interference of the first PIM signals after scheduling to uplink receiving signal, and then the quality of up channel is improved.
Fig. 4 is the flow chart that passive intermodulation signal of the present invention disturbs dispatching method embodiment three, and as shown in Fig. 4, the method for the present embodiment is on the basis of embodiment of the method shown in Fig. 1 or Fig. 2, further, can also include：
S301, according to the first PIM signals, stop carrying out running time-frequency resource scheduling to uplink receiving signal on reserved running time-frequency resource.
In the present embodiment, after the first PIM signals are obtained, it can stop carrying out running time-frequency resource scheduling to uplink receiving signal on reserved running time-frequency resource according to the first PIM signals.It should be noted that being base station in the following 11 uplink receiving signals received in the current Τ uplink receiving signals dispatched.
In the running time-frequency resource corresponding to Τ, some reserved running time-frequency resources can be preset, reserved running time-frequency resource is to show up some running time-frequency resources of reservation, these running time-frequency resources are used to ensure minimum communication demand, the running time-frequency resource of uplink receiving signal can be taken by avoiding the first PIM signals of the generation of downlink signal, so on these reserved running time-frequency resources, can be by carrying out running time-frequency resource scheduling to downlink signal, to cause the first generated PIM signals to be located on above-mentioned reserved running time-frequency resource, such first PIM signals would not take the running time-frequency resource of uplink receiving signal, therefore can be by being provided with the scheduling that reserved running time-frequency resource is not used in uplink receiving signal in the running time-frequency resource scheduling process to uplink receiving signal, to cause uplink receiving signal away from the first PIM signals, so as to reduce or evade interference of the first PIM signals to the uplink receiving signal, to improve uplink signal-channel quality.
Alternatively, the present embodiment can also include：
S302, according to the first PIM signals, the power of scheduling rise uplink receiving signal.
In the present embodiment, according to the first PIM signals, the power of scheduling rise uplink receiving signal.In the case of can not staggering in the running time-frequency resource position of the running time-frequency resource position of the first PIM signals and uplink receiving signal, the power of following K TTI uplink receiving signal can be controlled in current TTI, namely the power of following K TTI uplink receiving signal can be raised, because the power of uplink receiving signal is added, under comparing, so that the noise of uplink receiving signal diminishes, the first PIM
Interference of the signal to uplink receiving signal can be reduced, and then can improve the quality of up channel.Further, the MCS exponent numbers of rise uplink receiving signal can also be dispatched, this is due to the power for increasing uplink receiving signal, and MCS exponent numbers have corresponding relation with power, so can also be raised the MCS exponent numbers of uplink receiving signal.
It is worth noting that, in current TTI, S301 and S302 can in the S102 shown in Fig. 1 and
Performed before S103, can also simultaneously it be performed with the S102 and S103 shown in Fig. 1, or, S301 and S302 can be performed before the S204 and S205 shown in Fig. 2, can also simultaneously it be performed with the S204 and S205 shown in Fig. 2, the embodiment of the present invention is not limited herein.
In addition, S206 can be only carried out after S203 is performed according to actual application scenarios, either only carry out S207 or only carry out S206 and S207.
The PIM signals interference dispatching method that the embodiment of the present invention three is provided, further, by according to the first PIM signals, stopping carrying out running time-frequency resource scheduling to uplink receiving signal on reserved running time-frequency resource；According to the first PIM signals, the power of scheduling rise uplink receiving signal.Due to according to the first PIM signals running time-frequency resource control and/or power dispatching can also be carried out to uplink receiving signal, so as to reduce or even evade interference of the passive intermodulation signal to uplink receiving signal, and then the quality of up channel is improved.
Fig. 5 is the structural representation that passive intermodulation signal of the present invention disturbs dispatching device embodiment one, as shown in figure 5, the device of the present embodiment can include：First acquisition unit 11, processing unit 12 and generation unit 13, first acquisition unit 11 are used for N number of downlink signal according to base station, obtain the first PIM signals, and the N is the integer more than or equal to 2；Processing unit 12 is used to, according to the first PIM signals, running time-frequency resource scheduling and/or power dispatching are carried out to the downlink signal.
The device of the present embodiment, can be used for the technical scheme for performing embodiment of the method shown in Fig. 1, and its implementing principle and technical effect is similar, the related record in above-described embodiment be may refer in detail, here is omitted.
Fig. 6 is the structural representation that passive intermodulation signal of the present invention disturbs dispatching device embodiment two, is such as schemed
Shown in 6, the device of the present embodiment further, can also include on the basis of Fig. 5 shown device structures：Second acquisition unit 14 and judging unit 15, the second acquisition unit 14 are used to, according at least two of the base station default downlink signals, obtain the 2nd PIM signals；The uplink receiving frequency range that judging unit 15 is used for the frequency range and base station for judging the 2nd PIM signals whether there is identical frequency resource；If first acquisition unit 11 judges the first PIM signals specifically for judging unit 15
Frequency range and the uplink receiving frequency range of base station there is identical frequency resource, then according to N number of downlink signal of base station, obtain the first PIM signals.
Alternatively, first acquisition unit 11 obtains the running time-frequency resource position of the first PIM signals specifically for the running time-frequency resource position of N number of downlink signal according to base station；Processing unit 12 carries out running time-frequency resource scheduling specifically for the running time-frequency resource position according to the first PIM signals to the downlink signal.
Alternatively, processing unit 12 is differed specifically for the running time-frequency resource position and Physical Uplink Control Channel PUCCH running time-frequency resource position according to the first PIM signals, and running time-frequency resource scheduling is carried out to the downlink signal.
Further, first acquisition unit 11 is additionally operable to the power of N number of downlink signal according to base station, obtains the power of the first PIM signals；Processing unit 12 carries out running time-frequency resource scheduling specifically for the running time-frequency resource position according to the first PIM signals and power to the downlink signal.
Alternatively, processing unit 12 is specifically for when the load of base station is less than the first load pre-value, it is different from the running time-frequency resource position for the first PIM signals that power is more than the first power according to the running time-frequency resource position of uplink receiving signal, running time-frequency resource scheduling is carried out to the downlink signal；
When the load of base station is more than the second load pre-value, according to the height of service quality QoS priority, pair it is ranked up with the user equipment (UE) of the base station communication, according to power from big to small the described in a PIM signals running time-frequency resource position and the sequence after the running time-frequency resource positions of uplink receiving signal that send of UE, the running time-frequency resource of the downlink signal is scheduled.
Alternatively, processing unit 12 is specifically for according to the first PIM signals, the power of the scheduling reduction downlink signal, to reduce the power of the first PIM signals after scheduling.
Further, processing unit 12 is additionally operable to modulation and the coding strategy MCS exponent numbers of the scheduling reduction downlink signal.
Alternatively, processing unit 12 is additionally operable to according to the first PIM signals, stops carrying out running time-frequency resource scheduling to the uplink receiving signal on reserved running time-frequency resource.
Alternatively, processing unit 12 is additionally operable to according to the first PIM signals, the power of the scheduling rise uplink receiving signal.
The device of the present embodiment, can be used for the technical scheme for performing embodiment of the method shown in Fig. 2 or Fig. 4, and the related record in above-described embodiment is may refer in detail, and its implementing principle and technical effect is similar, and here is omitted.
Fig. 7 is the structural representation that passive intermodulation signal of the present invention disturbs dispatching device embodiment three, as shown in fig. 7, the device of the present embodiment can include：Memory 21 and processor 22;Wherein, memory 21 is used to store the code that PIM signals disturb dispatching method；Processor 22 is used for N number of downlink signal according to base station, obtains the first PIM signals, and the N is the integer more than or equal to 2；And according to the first PIM signals, running time-frequency resource scheduling and/or power dispatching are carried out to the downlink signal, and according to the downlink signal after the scheduling, the first PIM signals after generation scheduling.
Further, processor 22 is additionally operable to, according at least two of the base station default downlink signals, obtain the 2nd PIM signals；And judge that the frequency range of the 2nd PIM signals and the uplink receiving frequency range of base station whether there is identical frequency resource；
If processor 22 judges that the frequency range of the first PIM signals and the uplink receiving frequency range of base station have identical frequency resource, according to N number of downlink signal of base station, the first PIM signals are obtained.
Alternatively, processor 22 obtains the running time-frequency resource position of the first PIM signals specifically for the running time-frequency resource position of N number of downlink signal according to base station；And according to the running time-frequency resource position of the first PIM signals, running time-frequency resource scheduling is carried out to the downlink signal.
Alternatively, processor 22 is differed specifically for the running time-frequency resource position and Physical Uplink Control Channel PUCCH running time-frequency resource position according to the first PIM signals, and the running time-frequency resource of the downlink signal is scheduled.
Alternatively, processor 22 is additionally operable to the power of N number of downlink signal according to base station, obtains the power of the first PIM signals；
Processor 22 carries out the running time-frequency resource scheduling of the downlink signal specifically for the running time-frequency resource position according to the first PIM signals and power.
Alternatively, processor 22 is specifically for when the load of base station is less than the first load pre-value, it is different from the running time-frequency resource position for the first PIM signals that power is more than the first power according to the running time-frequency resource position of the uplink receiving signal, running time-frequency resource scheduling is carried out to the downlink signal；
When the load of base station is more than the second load pre-value, according to the height of service quality QoS priority, pair it is ranked up with the user equipment (UE) of the base station communication, according to power from big to small the described in a PIM signals running time-frequency resource position and the sequence after the running time-frequency resource positions of uplink receiving signal that send of UE, running time-frequency resource scheduling is carried out to the downlink signal.
Alternatively, processor 22 is specifically for according to the first PIM signals, scheduling reduction is described
The power of downlink signal, to reduce the power of the first PIM signals after the scheduling.
Further, processor 22 is additionally operable to modulation and the coding strategy MCS exponent numbers of the scheduling reduction downlink signal.
Alternatively, processor 22 is additionally operable to according to the first PIM signals, stops carrying out running time-frequency resource scheduling to the uplink receiving signal on reserved running time-frequency resource.
Alternatively, processor 22 is additionally operable to according to the first PIM signals, the power of the scheduling rise uplink receiving signal.
The device of the present embodiment, can be used for the technical scheme for performing Fig. 1 or any one of Fig. 2 or Fig. 4 embodiment, and the related record in above-described embodiment is may refer in detail, and its implementing principle and technical effect is similar, and here is omitted.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above method embodiment can be completed by the related hardware of programmed instruction, foregoing program can be stored in a computer read/write memory medium, the program upon execution, performs the step of including above method embodiment；And foregoing storage medium includes：ROM, RAM, magnetic disc or CD etc. are various can be with the medium of store program codes.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；Although the present invention is described in detail with reference to foregoing embodiments, it will be understood by those within the art that：It can still modify to the technical scheme described in foregoing embodiments, or carry out equivalent substitution to which part or all technical characteristic；And these modifications or replacement, the essence of appropriate technical solution is departed from the scope of various embodiments of the present invention technical scheme.
Claims (1)
- Claims1st, a kind of passive intermodulation PIM signals interference dispatching method, it is characterised in that including：According to N number of downlink signal of base station, the first PIM signals are obtained, the N is the integer more than or equal to 2；According to the first PIM signals, running time-frequency resource scheduling and/or power dispatching are carried out to the downlink signal；According to the downlink signal after the scheduling, the first PIM signals after generation scheduling.2nd, according to the method described in claim 1, it is characterised in that also include：According at least two of the base station default downlink signals, the 2nd PIM signals are obtained；Judge that the frequency range of the 2nd PIM signals and the uplink receiving frequency range of base station whether there is identical frequency resource；N number of downlink signal according to base station, obtains the first PIM signals, including：If judging there is identical frequency resource in the frequency range of the first PIM signals and the uplink receiving frequency range of base station, according to N number of downlink signal of base station, obtain the first PIM signals.3rd, method according to claim 1 or 2, it is characterised in that the N downlink signal according to base station, obtains the first PIM signals, including：According to the running time-frequency resource position of N number of downlink signal of base station, the running time-frequency resource position of the first PIM signals is obtained；It is described that running time-frequency resource scheduling is carried out to the downlink signal according to the first PIM signals, including：According to the running time-frequency resource position of the first PIM signals, running time-frequency resource scheduling is carried out to the downlink signal.4th, method according to claim 3, it is characterised in that also include：According to the power of N number of downlink signal of base station, the power of the first PIM signals is obtained；It is described that running time-frequency resource scheduling is carried out to the downlink signal according to the first PIM signals, including：According to the running time-frequency resource position of the first PIM signals and power, running time-frequency resource scheduling is carried out to the downlink signal.5th, method according to claim 3, it is characterised in that the running time-frequency resource position according to the first PIM signals, running time-frequency resource scheduling is carried out to the downlink signal, including： Differed according to the running time-frequency resource position and Physical Uplink Control Channel PUCCH running time-frequency resource position of the first PIM signals, running time-frequency resource scheduling is carried out to the downlink signal.6th, method according to claim 4, it is characterised in that the running time-frequency resource position and power according to the first PIM signals, running time-frequency resource scheduling is carried out to the downlink signal, including：It is different from the running time-frequency resource position for the first PIM signals that power is more than the first power according to the running time-frequency resource position of uplink receiving signal when the load of base station is less than the first load pre-value, running time-frequency resource scheduling is carried out to the downlink signal；When the load of base station is more than the second load pre-value, according to the height of service quality QoS priority, pair it is ranked up with the user equipment (UE) of the base station communication, according to power from big to small the described in a PIM signals running time-frequency resource position and the sequence after the running time-frequency resource positions of uplink receiving signal that send of UE, running time-frequency resource scheduling is carried out to the downlink signal.7th, the method according to claim 1-6 any one, it is characterised in that described according to the first PIM signals, power dispatching is carried out to the downlink signal, including：According to the first PIM signals, the power of the scheduling reduction downlink signal, to reduce the power of the first PIM signals after the scheduling.8th, method according to claim 7, it is characterised in that described according to the first PIM signals, scheduling is reduced after the power of the downlink signal, in addition to：The modulation of the scheduling reduction downlink signal and coding strategy MCS exponent numbers.9th, the method according to claim 1-8 any one, it is characterised in that also include：According to the first PIM signals, stop carrying out running time-frequency resource scheduling to the uplink receiving signal on reserved running time-frequency resource.10th, the method according to claim 1-9 any one, it is characterised in that also include：According to the first PIM signals, the power of the scheduling rise uplink receiving signal.11st, a kind of passive intermodulation PIM signals interference dispatching device, it is characterised in that including：First acquisition unit, for N number of downlink signal according to base station, obtains the first PIM signals, the N is the integer more than or equal to 2；Processing unit, for according to the first PIM signals, running time-frequency resource scheduling and/or power dispatching to be carried out to the downlink signal；Generation unit, for according to the downlink signal after the scheduling, first after generation scheduling PIM signals.12nd, device according to claim 11, it is characterised in that also include：Second acquisition unit, for according at least two of the base station default downlink signals, obtaining the 2nd PIM signals；Judging unit, for judging that the frequency range of the 2nd PIM signals and the uplink receiving frequency range of base station whether there is identical frequency resource；If the first acquisition unit judges that the frequency range of the first PIM signals and the uplink receiving frequency range of base station have identical frequency resource specifically for the judging unit, according to N number of downlink signal of base station, the first PIM signals are obtained.13rd, the device according to claim 11 or 12, it is characterised in that the first acquisition unit obtains the running time-frequency resource position of the first PIM signals specifically for the running time-frequency resource position of N number of downlink signal according to base station；The processing unit, specifically for the running time-frequency resource position according to the first PIM signals, running time-frequency resource scheduling is carried out to the downlink signal.14th, device according to claim 13, it is characterised in that the first acquisition unit is additionally operable to the power of N number of downlink signal according to base station, obtains the power of the first PIM signals;The processing unit carries out running time-frequency resource scheduling specifically for the running time-frequency resource position according to the first PIM signals and power to the downlink signal.15th, device according to claim 13, it is characterized in that, the processing unit is differed specifically for the running time-frequency resource position and Physical Uplink Control Channel PUCCH running time-frequency resource position according to the first PIM signals, and running time-frequency resource scheduling is carried out to the downlink signal.16th, device according to claim 14, it is characterized in that, the processing unit is specifically for when the load of base station is less than the first load pre-value, it is different from the running time-frequency resource position for the first PIM signals that power is more than the first power according to the running time-frequency resource position of uplink receiving signal, running time-frequency resource scheduling is carried out to the downlink signal；When the load of base station is more than the second load pre-value, according to the height of service quality QoS priority, pair it is ranked up with the user equipment (UE) of the base station communication, according to power from big to small the described in a PIM signals running time-frequency resource position and the sequence after the running time-frequency resource positions of uplink receiving signal that send of UE, the running time-frequency resource of the downlink signal is scheduled.17th, the device according to claim 11-16 any one, it is characterised in that the place Unit is managed specifically for according to the first PIM signals, the power of the scheduling reduction downlink signal, to reduce the power of the first PIM signals after scheduling.18th, device according to claim 17, it is characterised in that the processing unit is additionally operable to modulation and the coding strategy MCS exponent numbers of the scheduling reduction downlink signal.19th, the device according to claim 11-18 any one, it is characterised in that the processing unit is additionally operable to according to the first PIM signals, stops carrying out running time-frequency resource scheduling to the uplink receiving signal on reserved running time-frequency resource.20th, the device according to claim 11-19 any one, it is characterised in that the processing unit is additionally operable to according to the first PIM signals, the power of the scheduling rise uplink receiving signal.
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