CN101959292B - Method, equipment and system for saving energy for base station - Google Patents

Method, equipment and system for saving energy for base station Download PDF

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Publication number
CN101959292B
CN101959292B CN2009101585948A CN200910158594A CN101959292B CN 101959292 B CN101959292 B CN 101959292B CN 2009101585948 A CN2009101585948 A CN 2009101585948A CN 200910158594 A CN200910158594 A CN 200910158594A CN 101959292 B CN101959292 B CN 101959292B
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community
saving
base station
indication message
energy
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CN101959292A (en
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陈燕燕
郭宣羽
李秉肇
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0203—Power saving arrangements in the radio access network or backbone network of wireless communication networks
    • H04W52/0206—Power saving arrangements in the radio access network or backbone network of wireless communication networks in access points, e.g. base stations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Abstract

The invention discloses a method, equipment and a system for saving energy for a base station, relating to the communication field and solving the problem of higher probability of dropped call of a user in a process of energy saving of the base station in the prior art. In the method, if detectiong that a cell in a normal working state meets a cell energy saving condition, base station energy saving control equipment sends an indication message of closing the cell to base station energy saving executing equipment, wherein the indication message comprises adjusting step length and/or adjusting time interval for gradually adjusting transmission power of a main common pilot channel; and the base station energy saving executing equipment receives the indication message for closing the cell and reduces the transmission power of the cell main common pilot channel according to the adjusting step length and/or adjusting time interval in the indication message. The embodiment of the invention is mainly used in the process of energy saving of the base station, effectively realizes the energy saving of the base station and reduces the probability of dropped call of the user.

Description

The method of base station energy-saving, equipment and system
Technical field
The present invention relates to the communications field, relate in particular to a kind of method, equipment and system of base station energy-saving.
Background technology
The appearance of the global village of bringing along with informationization, earth economy progresses into the complanation situation of meagre profit, and the information industry is no exception.Therefore, operator seek to extend volume growth and this operating mode of increasing income of class of business in, also attentiveness has been navigated to energy-conservation the grade on the throttling link.At present,, after deployment puts into effect, by a direct-open, when the traffic carrying capacity on being positioned at this carrier frequency or number of users are less, there is the wasting phenomenon of power consumption in the carrier frequency in the cordless communication network small area, has increased operation cost.Therefore, the performance of base station energy-saving also will become the performance boost point of communication equipment.
Traditional base station energy-saving mode is mainly by adopting the novel energy-saving environment-friendly element or adopt improved refrigerating material, reduce the power loss of base station itself, but such power save mode can increasing the cost of communication equipment.
For realizing in the situation that do not increase the base station communication apparatus cost, effectively reach the purpose of base station energy-saving, realize by the following method the energy-conservation of base station in prior art, be specially: RNC(Radio Network Controlle, radio network controller) treating the number of user equipment of closing in community is added up, if CELL_DCH(CELL_Dedicated Channel in community current to be closed, the cell-specific passage) the UE(User Equipment of state, subscriber equipment) number is less than in certain thresholding and community to be closed does not have CELL_FACH(CELL_Forward Access Channel, cell forward access channel) UE of state, use direct-cut operation by UE move to alien frequencies with coverage cell after, deleting flow process by community carries out community and closes.Wherein, described direct-cut operation refers to the switching between the community of different frequency, the process of this switching is the communication connection between first temporary transient disconnection of subscriber equipment and former base station, the frequency tuning that travelling carriage is new from trend, make this subscriber equipment and new base station set up new communication connection, thereby complete the process of switching.
State in realization in the process of scheme, the inventor finds that in prior art, at least there are the following problems: such scheme is less than certain thresholding by the UE number of closing the CELL_DCH state and there is no the UE community of CELL_FACH state, realizes the energy-conservation of base station.But, before the community that needs are closed is closed, the UE in described community need to be switched to the same coverage cell of alien frequencies.Because this switching is direct-cut operation, therefore after the communication connection of UE disconnection and original base station, by travelling carriage, the frequency tuning new from trend makes UE and other base stations set up the switching that new communication connection realizes UE, rather than the switching to current channel quality measurements based on UE.The alien frequencies direct-cut operation that this just causes more not being based on signal quality, increased the probability of conversation loss, thereby reduced user's experience.
Summary of the invention
Embodiments of the invention provide a kind of method, equipment and system of base station energy-saving, reduce the probability of conversation loss when effectively realizing base station energy-saving.
For achieving the above object, embodiments of the invention adopt following technical scheme:
A kind of method of base station energy-saving comprises:
When if community in normal operating conditions being detected and meeting the cell energy-saving condition, the Indication message that will close community sends to the base station energy-saving actuating equipment, and described Indication message comprises the adjustment step-length of adjusting the Primary Common Pilot Channel transmitting power and/or adjusts the time interval.
A kind of base station energy-saving control appliance comprises:
The first transmitting element, for when community in normal operating conditions being detected and meet the cell energy-saving condition, the Indication message that will close community sends to the base station energy-saving actuating equipment, and described Indication message comprises the adjustment step-length of progressively adjusting the Primary Common Pilot Channel transmitting power and/or adjusts the time interval.
A kind of base station energy-saving actuating equipment comprises:
Receiving element, the Indication message of closing for the community that receives the transmission of base station energy-saving control appliance, described Indication message comprises the adjustment step-length of adjusting the Primary Common Pilot Channel transmitting power and/or adjusts the time interval;
Performance element, for the adjustment step-length according to described Indication message and/or the adjustment time interval, progressively reduce the transmitting power of described community Primary Common Pilot Channel.
A kind of energy-saving system of base station comprises:
The base station energy-saving control appliance, while for if community in normal operating conditions being detected, meeting the cell energy-saving condition, the Indication message that will close community sends to the base station energy-saving actuating equipment, and described Indication message comprises the adjustment step-length of progressively adjusting the Primary Common Pilot Channel transmitting power and/or adjusts the time interval;
The base station energy-saving actuating equipment, the Indication message of closing community sent for receiving the base station energy-saving control appliance, described Indication message comprises the adjustment step-length of progressively adjusting the Primary Common Pilot Channel transmitting power and/or adjusts the time interval; And, according to the adjustment step-length in described Indication message and/or the adjustment time interval, progressively reduce the transmitting power of described community Primary Common Pilot Channel.
In technical solution of the present invention, when the base station energy-saving control appliance detects community in normal operating conditions and meets the cell energy-saving condition, send the Indication message of closing community to the base station energy-saving actuating equipment, described Indication message comprises the adjustment step-length of adjusting the Primary Common Pilot Channel transmitting power and/or adjusts the time interval; After described base station energy-saving actuating equipment receives described Indication message, the adjustment step-length of take the adjustment time interval as cycle in described Indication message and/or take in described message is unit, the transmitting power of described cell channel is reduced to the transmitting power of saving base station energy consumption, realizes the purpose of base station energy-saving.
And in realizing the process of base station energy-saving, the base station energy-saving actuating equipment with in described Indication message the time be spaced apart the cycle between adjusting, the adjustment step-length of take in described message is unit, reduce gradually the transmitting power of described community Primary Common Pilot Channel, transmitting power reduction due to described community Primary Common Pilot Channel, the transmitting power that makes some subscriber equipmenies in described community measure this cell channel can not guarantee the proper communication of itself and base station, just the subscriber equipment that makes described community gradually be switched to other communities, with by direct-cut operation, described needs are closed to subscriber equipment in community in prior art and are switched to other communities and compare, avoided the possibility of conversation loss, guaranteed user's experience.
The accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The method flow diagram that Fig. 1 is base station energy-saving in the embodiment of the present invention 1;
The composition frame chart that Fig. 2 is base station energy-saving control appliance in the embodiment of the present invention 1;
The composition frame that Fig. 3 is base station energy-saving actuating equipment in the embodiment of the present invention 1;
The composition frame chart that Fig. 4 is energy-saving system of base station in the embodiment of the present invention 1;
Fig. 5 closes the operational flowchart of community in the embodiment of the present invention 2;
Fig. 6 opens the operational flowchart of community in the embodiment of the present invention 2;
Fig. 7 stops the operational flowchart of closing community in the embodiment of the present invention 2;
Fig. 8 stops opening the operational flowchart of community in the embodiment of the present invention 2;
The operational flowchart that Fig. 9 is the transmitting power of the embodiment of the present invention 2 Zhong Jiang community Primary Common Pilot Channel transmitting powers while recalling to the community normal operating conditions;
Figure 10 sends the operational flowchart of cell energy-saving information to adjacent radio network controller by the Iur mouth in the embodiment of the present invention 2;
Figure 11 sends the operational flowchart of cell energy-saving information to the network node in different system by core net in the embodiment of the present invention 2;
Figure 12 sends the operational flowchart of cell energy-saving information to core net by the Iu mouth in the embodiment of the present invention 2;
The composition frame chart that Figure 13 is base station energy-saving control appliance in the invention process 2;
The composition frame chart that Figure 14 is base station energy-saving actuating equipment in the invention process 2;
The composition frame chart that Figure 15 is energy-saving system of base station in the invention process 2.
The composition frame chart that Figure 16 is network system in the invention process 2.
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 clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making under the creative work prerequisite the every other embodiment obtained, belong to the scope of protection of the invention.
Embodiment 1
The embodiment of the present invention provides a kind of method of base station energy-saving, and as shown in Figure 1, the method comprises:
If 101 detect the condition that meets cell energy-saving in the community of normal operating conditions, the Indication message that will close community sends to the base station energy-saving actuating equipment, described Indication message comprises the adjustment step-length of adjusting P-CPICH (Primary Common Pilot Channel, Primary Common Pilot Channel) transmitting power and/or adjusts the time interval.
Wherein, the condition of described cell energy-saving can be including, but not limited to any one in following condition or the combination of the Arbitrary Term in following condition: the load of described community is lower than the first load-threshold pre-seted; Perhaps in described community the quantity of subscriber equipment lower than the number of users thresholding pre-seted; Perhaps described community arrives the time that pre-sets of closing community; Perhaps the load of described community is compared lower than the load difference thresholding pre-seted with the load of coverage cell with alien frequencies; Perhaps in described community, the quantity of subscriber equipment is compared lower than the quantity difference threshold pre-seted with the quantity of subscriber equipment in coverage cell with alien frequencies.
102, described base station energy-saving actuating equipment, after receiving the Indication message of cutting out community, according to the adjustment time interval in described Indication message and/or adjustment step-length, reduces the transmitting power of described community P-CPICH; The transmitting power of the P-CPICH of described community is adjusted to default power threshold, and described default power threshold is an empirical value, and the target that reaches base station energy-saving of take is criterion.
Wherein, described base station energy-saving actuating equipment is cycle and/or adjustment step-length according to the adjustment time interval in described Indication message, and the transmitting power that reduces described community P-CPICH is specially:
Adjust the time interval and adjust step-length if described Indication message comprises, after described base station energy-saving actuating equipment receives described Indication message of cutting out community, take the described adjustment time interval is the cycle, and the described adjustment step-length of take is unit, reduces the transmitting power of described community P-CPICH;
If only comprise the described adjustment time interval in described Indication message, after described base station energy-saving actuating equipment receives described Indication message of cutting out community, the current situation according to network, obtain the size of the transmitting power that once reduces described community P-CPICH, and take that to adjust the time interval in described Indication message be the cycle, the size of the described transmitting power that once reduces described community P-CPICH of obtaining of take is unit, reduces the transmitting power of described community P-CPICH;
If only comprise described adjustment step-length in described Indication message, after described base station energy-saving actuating equipment receives described Indication message of cutting out community, the current situation according to network, obtain the time interval of the transmitting power that reduces described community P-CPICH, and take that to adjust step-length in described Indication message be unit, take the described time interval of obtaining is the cycle, reduces the transmitting power of described community P-CPICH.
The embodiment of the present invention provides a kind of base station energy-saving control appliance, and as shown in Figure 2, this device comprises: the first transmitting element 21.
The first transmitting element 21, while at the base station energy-saving control appliance, community in normal operating conditions being detected, meeting the cell energy-saving condition, to the base station energy-saving actuating equipment, send the Indication message of closing community, described Indication message comprises the adjustment step-length of adjusting the P-CPICH transmitting power and/or adjusts the time interval;
Wherein, described cell energy-saving condition can be including, but not limited to any one in following condition or the combination of the Arbitrary Term in following condition: the load of described community is lower than the first load-threshold pre-seted; Perhaps in described community the quantity of subscriber equipment lower than the number of users thresholding pre-seted; Perhaps described community arrives the time that pre-sets of closing community; Perhaps the load of described community is compared lower than the load difference thresholding pre-seted with the load of coverage cell with alien frequencies; Perhaps in described community, the quantity of subscriber equipment is compared lower than the quantity difference threshold pre-seted with the quantity of subscriber equipment in coverage cell with alien frequencies.
The embodiment of the present invention provides a kind of base station energy-saving actuating equipment, and as shown in Figure 3, this equipment comprises: receiving element 31 and performance element 32.
After the Indication message that will close community at the base station energy-saving control appliance sends to described base station energy-saving actuating equipment, the Indication message that the community that described base station energy-saving actuating equipment sends by receiving element 31 reception base station energy-saving control appliances is closed, described Indication message comprises the adjustment step-length of adjusting the Primary Common Pilot Channel transmitting power and/or adjusts the time interval; Performance element 32 is for the adjustment step-length according to described Indication message and/or adjust the time interval, progressively reduces the transmitting power of described community Primary Common Pilot Channel.
Wherein, described performance element 32 is cycle and/or adjustment step-length according to the adjustment time interval in described Indication message, and the transmitting power that reduces described community P-CPICH is specially:
Adjust the time interval and adjust step-length if described Indication message comprises, after described receiving element 31 receives described Indication message of closing community, it is the cycle that described performance element 32 be take the described adjustment time interval, the described adjustment step-length of take is unit, reduces the transmitting power of described community P-CPICH;
If only comprise the described adjustment time interval in described Indication message, after described receiving element 31 receives described Indication message of closing community, the described base station energy-saving actuating equipment situation current according to network, obtain the size of the transmitting power that once reduces described community P-CPICH; Described performance element 32 take that to adjust the time interval in described Indication message be the cycle, and the size of the described transmitting power that once reduces described community P-CPICH of obtaining of take is unit, reduces the transmitting power of described community P-CPICH;
If only comprise described adjustment step-length in described Indication message, after described receiving element 31 receives described Indication message of closing community, the described base station energy-saving actuating equipment situation current according to network, obtain the time interval of the transmitting power that reduces described community P-CPICH, described performance element 32 take that to adjust step-length in described Indication message be unit, take the described time interval of obtaining is the cycle, reduces the transmitting power of described community P-CPICH.
The embodiment of the present invention provides a kind of energy-saving system of base station, and as shown in Figure 4, this system comprises: base station energy-saving control appliance 41 and base station energy-saving actuating equipment 42.
Base station energy-saving control appliance 41, if meet the cell energy-saving condition for the community detected in normal operating conditions, the Indication message that will close community sends to base station energy-saving actuating equipment 42, and described Indication message comprises the adjustment step-length of adjusting the P-CPICH transmitting power and/or adjusts the time interval.
Base station energy-saving actuating equipment 42, the Indication message of closing community sent for receiving base station energy-saving control appliance 41, described Indication message comprises the adjustment step-length of adjusting the P-CPICH transmitting power and/or adjusts the time interval; And according to the adjustment time interval in described Indication message be cycle and/or to adjust step-length, reduce the transmitting power of described community P-CPICH.
In the embodiment of the present invention, when the base station energy-saving control appliance detects community in normal operating conditions and meets the cell energy-saving condition, send the Indication message of closing community to the base station energy-saving actuating equipment, control the adjustment step-length of the adjustment P-CPICH transmitting power that described base station energy-saving actuating equipment comprises according to described Indication message and adjust the time interval and reduce the transmitting power of described community P-CPICH, realize the process that community is closed gradually, reach the purpose of base station energy-saving; After described base station energy-saving actuating equipment receives described Indication message, the adjustment time interval of take in described Indication message is the cycle, the adjustment step-length of take in described message is unit, reduce the transmitting power of described community P-CPICH, when the public power of the emission by described community P-CPICH is reduced to the transmitting power of saving base station energy consumption, just realized the purpose of base station energy-saving.
And in realizing the process of base station energy-saving, the adjustment time interval that the base station energy-saving actuating equipment be take in described Indication message is the cycle, the adjustment step-length of take in described message is unit, reduce gradually the transmitting power of described community P-CPICH, transmitting power reduction due to described community P-CPICH, the transmitting power that makes some subscriber equipmenies in described community measure this community P-CPICH can not guarantee the proper communication of itself and base station, just the subscriber equipment that makes described community gradually be switched to other communities, with by direct-cut operation, described needs are closed to subscriber equipment in community in prior art and are switched to other communities and compare, avoided the possibility of conversation loss, guaranteed user's experience.
Embodiment 2
The embodiment of the present invention provides a kind of method of base station energy-saving, and the embodiment of the present invention is example with WCDMA (Wideband Code Division Multiple Access) system, illustrates the method for base station energy-saving; In the WCDMA system, the base station energy-saving control appliance is RNC(Radio Network Controller, radio network controller), the base station energy-saving actuating equipment is that as shown in Figure 5, the method comprises NodeB (Node Base station, base station):
501, the loading condition of RNC detected cells, if the community detected in normal operating conditions meets the cell energy-saving condition, judge that need to close described community realizes the energy-conservation of base station, performs step 502.
Wherein, described cell energy-saving condition is including, but not limited to any one in following condition or the combination of the Arbitrary Term in following condition: the load of described community is lower than the first load-threshold pre-seted; Perhaps in described community user's quantity lower than the number of users thresholding pre-seted; Perhaps described community arrives the time that pre-sets of closing community; Perhaps the load of described community is compared lower than the load difference thresholding pre-seted with the load of coverage cell with alien frequencies; Perhaps in described community, the quantity of subscriber equipment is compared lower than the quantity difference threshold pre-seted with the quantity of subscriber equipment in coverage cell with alien frequencies.
502, the Indication message that RNC will close community sends to NodeB, and described Indication message comprises the adjustment step-length of adjusting the P-CPICH transmitting power and/or adjusts the time interval.Wherein, if a community that meets the cell energy-saving condition detected in the embodiment of the present invention, just send the Indication message of closing described Yi Ge community to described NodeB; If a plurality of communities that meet the cell energy-saving condition detected, send the Indication message of closing community corresponding to described community to described NodeB one by one.
Wherein, it will be understood by those skilled in the art that, be not limited in described Indication message and comprise the adjustment time interval of adjusting the P-CPICH transmitting power and/or adjust step-length, can also be including, but not limited to adjusting number of times, wherein, if described Indication message comprises when the transmitting power of adjusting P-CPICH is adjusted number of times, after described NodeB receives described Indication message of closing community, according to current network condition, obtain the unit of adjustment of the transmitting power of adjusting community P-CPICH and adjust the time interval, and according to the adjustment number of times in described Indication message, the transmitting power of described community master P-CPICH is reduced to corresponding number of times.The embodiment of the present invention be take described Indication message and is comprised the adjustment step-length of adjusting the P-CPICH transmitting power and the adjustment of adjusting the time interval described community P-CPICH transmitting power as example illustrates.In wherein said Indication message can but be not limited to and be carried at the cell re-configuration sent to described NodeB and put in request message.
Wherein, because at present in agreement, the power of some down channels is that to take the transmitting power of P-CPICH be reference, once adjust the transmitting power of P-CPICH, NodeB will adjust all channel powers relevant with P-CPICH, may cause like this other conversation loss in community, therefore can further include the indication of the transmitting power of the P-CPICH that only adjusts described community in closing the Indication message of community, so that described NodeB does not adjust the transmitting power of other down channels in the transmitting power of adjusting described community P-CPICH according to described indication.
What it will be appreciated by those skilled in the art that is, NodeB also can and adjust the time interval according to the adjustment step-length of the transmitting power of the adjustment P-CPICH in described Indication message, judges the transmitting power of not adjusting other down channels in the transmitting power of adjusting community P-CPICH.
503, after NodeB receives the indication information of closing community that RNC sends, the adjustment time interval of take in described Indication message is the cycle, and the adjustment step-length of take in described message is unit, reduces the transmitting power of described community P-CPICH.
Wherein, when described Indication message of closing community comprises the indication of only adjusting described community P-CPICH transmitting power, the adjustment time interval that described NodeB be take in described Indication message is the cycle, the adjustment step-length of take in described message is unit, adjust the transmitting power of described community P-CPICH, the transmitting power of other channels is constant; Until the transmitting power of the P-CPICH of described community is while adjusting to predetermined power threshold, NodeB closes or adjusts the transmitting power of other channels more automatically; To reach the purpose of further saving base station energy consumption.
504,, after the transmitting power of described community P-CPICH is reduced to predetermined power threshold, described NodeB sends and closes the completed message in community to RNC; Described default power threshold is an empirical value, and the target that reaches base station energy-saving of take is criterion; Wherein, in the process of cell energy-saving, as long as reached the energy-conservation purpose of going to the station to meet somebody, described RNC just thinks that described purpose of closing community realizes, from known community, close differently, it is all functions that stop described community that known community is closed, and makes described community can't realize any function.Wherein, it will be appreciated by those skilled in the art that, described NodeB can also, after the Indication message of closing community that receives the RNC transmission, send described response message of closing community to described RNC at once; Perhaps NodeB does not send the response message of closing community to described RNC after the Indication message of closing community that receives the RNC transmission.The embodiment of the present invention be take described NodeB and is completed to close behind community and send to described RNC that to close the completed message in community be example, illustrates the operating process of closing community.
505, described RNC receives that described NodeB sends closes the completed message in community; And be power save mode by the status indicator of described community, subscriber equipment is arranged to the access of described community or switching etc. while preventing in described community in power save mode.
Further, when described RNC detects community in closing process or power save mode, while meeting the condition of opening community, balance for the load that keeps each community of whole network, RNC need to indicate NodeB to improve the transmitting power of P-CPICH of the community of described in closing process or power save mode, avoid more subscriber equipment to be linked into the same coverage cell of alien frequencies of described community, cause the load too high of alien frequencies with coverage cell, the alien frequencies that makes the described community of request access gets clogged and can not normally access with the subscriber equipment of coverage cell.
RNC indication NodeB improves the process of described in closing the community process or community power save mode P-CPICH transmitting power, specifically as shown in Figure 6, comprising:
If 601 RNC detect community in closing process or power save mode, meet the condition of opening community, the Indication message that will open community sends to NodeB, and described Indication message comprises the adjustment step-length of adjusting the P-CPICH transmitting power and/or adjusts the time interval; Wherein, it will be appreciated by persons skilled in the art that the adjustment time interval of adjustment P-CPICH transmitting power included in described Indication message and/or adjust step-length, can also be including, but not limited to adjusting number of times.Wherein, if described Indication message comprises when the transmitting power of adjusting P-CPICH is adjusted number of times, after described NodeB receives described Indication message of closing community, according to current network condition, obtain the unit of adjustment of the transmitting power of adjusting community P-CPICH and adjust the time interval, and, according to the adjustment number of times in described Indication message, the transmitting power of described community master P-CPICH is reduced to corresponding number of times.The embodiment of the present invention be take described Indication message and is comprised the adjustment step-length of adjusting the P-CPICH transmitting power and the adjustment of adjusting the time interval described community P-CPICH transmitting power as example illustrates.Wherein said Indication message can but be not limited to and be carried at the cell re-configuration sent to described NodeB and put in request message.
Wherein, the condition of described satisfied unlatching community can be including, but not limited to any one in following condition or the combination of the Arbitrary Term in following condition: the alien frequencies of described community with the load of coverage cell higher than the second load-threshold pre-seted; Perhaps the quantity of the subscriber equipment of the described community of request access surpasses default quantity thresholding within a certain period of time; Perhaps arrive the time that pre-sets of opening community; Perhaps the load of described community is compared higher than the load difference thresholding pre-seted with the load of coverage cell with alien frequencies; Perhaps in described community, the quantity of subscriber equipment is compared higher than the quantity difference threshold pre-seted with the quantity of subscriber equipment in coverage cell with alien frequencies.
602, after NodeB receives the Indication message of described unlatching community, the adjustment time interval of take in described Indication message is the cycle, and the adjustment step-length of take in described message is unit, improves the transmitting power of described community P-CPICH.
603,, during the transmitting power when the transmitting power by described community P-CPICH is brought up to the community normal operating conditions, described NodeB will open the completed message in community and send to RNC.Wherein, it will be appreciated by those skilled in the art that, described NodeB can also, after the Indication message of the unlatching community that receives the RNC transmission, send the response message of described unlatching community at once to described RNC; Perhaps described NodeB does not send the response message of described unlatching community to described RNC.The embodiment of the present invention be take described NodeB and is completed to open behind community and send to described RNC that to open the completed message in community be example, illustrates the operating process of opening community.
604, RNC receives the completed message in unlatching community that described NodeB sends, and is normal operating conditions by the status indicator of described community.
Further, when RNC controls the NodeB reduction or improves the transmitting power of community P-CPICH, divided into groups or will need the community of opening to be divided into groups in the community that needs can be closed, and every group more than the Yi Ge community.When to the NodeB transmission, closing or opening the Indication message of community, described Indication message comprises the sign of each community in described grouping, and the adjustment step-length of progressively adjusting P-CPICH transmitting power corresponding with community and/or the adjustment time interval, so that NodeB, according to the sign of described community, adjusts the transmitting power of described respective cell P-CPICH according to the adjustment step-length of progressively adjusting the P-CPICH transmitting power corresponding with described community and/or the adjustment time interval.
Further, in RNC control NodeB closes or open the process of community, if RNC need to stop closing community or stopping the unlatching community according to current network state judgement, the invention provides corresponding termination and close community or termination unlatching community method.Wherein, stop closing community method specific implementation as shown in Figure 7, comprising:
If, if 701 RNC detect in closing process Zhong community, community, the condition of community is closed in satisfied termination, the Indication message of termination being closed to community sends to NodeB.
Wherein, described satisfied termination close the condition of community can be including, but not limited to any one in following condition or the combination of the Arbitrary Term in following condition: the number of users of request access in closing process Zhong community reaches the predetermined number thresholding within a certain period of time; Perhaps the alien frequencies in closing process Zhong community with the load of coverage cell higher than default the second load-threshold; Perhaps the conversation loss in closing process Zhong community increases.
702,, after described NodeB receives that the Indication message of community is closed in termination that RNC sends, the described community of phase down, stop reducing the transmitting power of described community P-CPICH.
703, after stopping the process of closing described community, NodeB, and can comprise the transmitting power of the described current P-CPICH in community in described message, in order to inform the transmitting power of the described current P-CPICH in community of RNC.Wherein, it will be appreciated by those skilled in the art that, described NodeB can also, after the Indication message of community is closed in the termination that receives the RNC transmission, send the response message of described unlatching community at once to described RNC; Perhaps described NodeB does not send to described RNC the response message that community is opened in described termination.The embodiment of the present invention be take described NodeB and is stopped opening behind community and to send to described RNC that to open the completed message in community be example, illustrates and stops the operating process that community is closed.
704, RNC receives the termination that described NodeB sends and closes the completed message in community, and can know the current P-CPICH transmitting power in community that stops reducing the P-CPICH transmitting power.
Wherein, the specific implementation of the method for termination unlatching community as shown in Figure 8, comprising:
If 801 RNC detect the community in opening process, meet the condition that stops opening community, the Indication message that will stop the unlatching community sends to NodeB;
Wherein, the condition of community is opened in described satisfied termination can be including, but not limited to following form: the alien frequencies in opening process Zhong community is with the load of coverage cell lower than default the 3rd load-threshold, and described the 3rd load-threshold is the maximum load that community can work.
802, after NodeB receives termination that RNC sends and opens the Indication message of community, stop opening described community, stop improving the transmitting power of described community P-CPICH.
803,, behind the community that stops opening at NodeB, described NodeB will stop opening the completed message in community and send to described RNC.Wherein, it will be appreciated by those skilled in the art that, described NodeB can also, after the Indication message of community is opened in the termination that receives the RNC transmission, send to described RNC the response message that community is opened in described termination at once; Perhaps described NodeB does not send to described RNC the response message that community is opened in described termination.The embodiment of the present invention be take described NodeB and is stopped opening behind community and to send to described RNC that to open the completed message in community be example, illustrates and stops the operating process that open community.
804, RNC receives the completed message in termination unlatching community that described NodeB sends.
Further, before the Indication message close community at RNC by stopping or to stop opening community sends to described NodeB or afterwards, transmitting power when if RNC need to adjust to the community normal operating conditions by the transmitting power of the P-CPICH of the community of termination adjustment P-CPICH transmitting power according to the condition judgement of current network, the invention provides corresponding method of adjustment, concrete methods of realizing as shown in Figure 9, comprises
The Indication message of transmitting power when 901, RNC recalls to normal operating conditions by the emissivity of described community P-CPICH sends to described NodeB, and described Indication message comprises the adjustment step-length of adjusting the P-CPICH transmitting power and/or adjusts the time interval.Wherein, it will be appreciated by persons skilled in the art that and adjustment time interval of adjustment P-CPICH transmitting power included in described Indication message/or adjust step-length can also be but be not limited to the adjustment number of times.The embodiment of the present invention be take described Indication message and is comprised the adjustment step-length of adjusting the P-CPICH transmitting power and the adjustment of adjusting the time interval described community P-CPICH transmitting power as example illustrates.Wherein said Indication message can but be not limited to and be carried at the cell re-configuration sent to described NodeB and put in request message.
The Indication message of transmitting power when 902, NodeB receives the emissivity by described community P-CPICH that RNC sends and recalls to normal operating conditions, and the adjustment time interval of take in described Indication message is the cycle, the adjustment step-length of take in described message is unit, the transmitting power when transmitting power of described community P-CPICH is recalled to the community normal operating conditions.
903, after the transmitting power when NodeB adjusts back to the community normal operating conditions by the transmitting power of described community P-CPICH, the completed message of the transmitting power when transmitting power of described community P-CPICH is adjusted to the community normal operating conditions sends to RNC.
The completed message of transmitting power when the transmitting power of the described community P-CPICH that 904, RNC reception NodeB sends adjusts back to the community normal operating conditions, and be normal operating conditions by the status indicator of described community, so that subscriber equipment accesses described community.
Further, after entering power save mode for fear of the process Zhong Huo community of closing in community, network node in adjacent RNC or different system to described closing process Zhong community or the community in power save mode initiate switching or redirect request, cause the Gai community to set up after conversation call drop at once.Wherein, network system generally consists of core net, Access Network and terminal at present; But due to the difference of access technology, cause in network using the network node difference of different access technologies, i.e. the network equipment difference of network node, thus formed different Access Networks; By the difference of Access Network, thereby make the network system formed become different systems; The other system that is different from the system of self is referred to as to different system; The network system for example consisted of the RNC network node, be called the WCDMA system, and the network system consisted of the BSC network node is called gsm system, corresponding to the WCDMA system, and the different system that gsm system is the WCDMA system.The embodiment of the present invention provides a kind of and avoids network node in adjacent R NC or different system to described closing process Zhong community or the method for switching or redirect request is initiated in the community in power save mode, and the method is specific as follows:
Wherein, avoid adjacent RNC to described closing process Zhong community or method that switching or redirect request are initiated in the community in power save mode specifically as shown in figure 10, comprising:
1001, when RNC closes the Indication message of community to the NodeB transmission, perhaps before described adjacent RNC initiates switching or redirect request to described closing process Zhong community or the community in power save mode, send cell energy-saving information by the Iur mouth to adjacent RNC, described Iur mouth is the communication interface between RNC, and described cell energy-saving information comprises the sign in closing process Zhong community, the indication of closing community and/or cell energy-saving time.Described RNC can but be not limited to the Part by RANAP(Radio Access Network Application, wireless network access applying portion) message sends to adjacent RNC by described cell energy-saving information.
1002, after adjacent RNC receives described cell energy-saving information, record described cell energy-saving information, avoid to the request access of described community or gravity treatment access.It will be appreciated by those skilled in the art that, after described adjacent RNC receives described cell energy-saving message, can send response message to described RNC, also can not send described response message.
Wherein, avoid network node in different system to described closing process Zhong community or method that switching or redirect request are initiated in the community in power save mode specifically as shown in figure 11, comprising:
1101, when RNC closes the Indication message of community to the NodeB transmission, before perhaps the network node in different system is initiated switching or redirect request to described closing process Zhong community or the community in power save mode, by core net to the network node in different system send cell energy-saving information and with the sign of described network node, described cell energy-saving information comprises the sign in closing process Zhong community, the indication of closing community and/or cell energy-saving time, and described core net comprises the core net of native system and the core net in different system; Described RNC can but be not limited to by RANAP message the network node in described cell energy-saving information and described different system sign sent to core net.After core net in native system is received the RANAP message of RNC, described RANAP message is transmitted to the core net in different system, after core net in described different system receives the described RANAP of stating message, do not resolve the content of cell energy-saving information, only according to described different system in the network node sign, described cell energy-saving information is passed through and identifies corresponding network node with described network node in different system.
1102, after the network node in described different system receives described cell energy-saving information, record described cell energy-saving information, avoid to described community transmission community access request or reselection request.What it will be appreciated by those skilled in the art that is, after network node in described different system is received described cell energy-saving message, can send response message to described RNC by core net, also can not send described response message, described core net comprises core net in native system and the core net in different system.
Wherein, avoid network node in different system to described closing process Zhong community or the method for switching or redirect request is initiated in the community in power save mode, not only be confined to said method, can also comprise following methods, specifically as shown in figure 12, comprising:
1201, when RNC closes the Indication message of community to the NodeB transmission, perhaps avoid before network node in different system initiates switching or redirect request to described closing process Zhong community or the community in power save mode, send cell energy-saving information by the Iu mouth to the core net in native system, described Iu mouth is the communication interface between the core net in RNC and native system, and described cell energy-saving information comprises the sign in closing process Zhong community, the indication of closing community and/or cell energy-saving time.Described RNC can but be not limited to by RANAP message described cell energy-saving information sent to core net.
1202, after the core net in native system is received described cell energy-saving information, store this described cell ID and energy-saving information, until the shut-in time is overtime temporarily; When the network node in different system is arranged is linked into described community by the core net in different system to the core network requests in described native system, core net in described native system notifies the community of its request access of network node in described different system to be in the cell energy-saving state, do not allow access, thereby avoided network node in different system to described closing process Zhong community or switching or redirect request are initiated in the community in power save mode.It will be appreciated by those skilled in the art that, the core net in described native system can send response message to described RNC after receiving described cell energy-saving information, also can not send described response message.
Wherein, comprise cell energy-saving during the time in described cell energy-saving information, after the described time is overtime, described adjacent RNC or the network node in different grid or core net will forbid that the indication that accesses described community removes automatically, so that the network node in more heterogeneous neighbour's RNC or different grid accesses described community.
Wherein, do not comprise that in described cell energy-saving information cell energy-saving is during the time, after transmitting power when transmitting power that described RNC receives the described P-CPICH of the community in power save mode has been returned to the community normal operating conditions, can send the information reopened in closing process Zhong community by the network node in the RNC to adjacent and different grid, so that more subscriber equipment accesses described community.
Further, when in closing process Zhong community, having the subscriber equipment of non-cell private channel status, for fear of described subscriber equipment, access in closing process Zhong community, when the Indication message that the embodiment of the present invention proposes will to close community at RNC sends to the base station energy-saving actuating equipment, perhaps before the user equipment requests of described non-cell private channel status accesses described community, cell energy-saving information is sent to the subscriber equipment of described non-cell private channel status, described cell energy-saving information comprises the sign of closing process Zhong community and the indication of closing community, described indication information can but be not limited to described cell energy-saving information be carried in beep-page message to the subscriber equipment that sends to described non-cell private channel status.After making described UE receive described indication information, can initiatively initiate the community of cell reselection to other normal operating conditionss.It will be appreciated by those skilled in the art that, after described UE receives described cell energy-saving message, can send response message to described RNC, also can not send described response message.
The embodiment of the present invention provides a kind of base station energy-saving control appliance, described base station energy-saving control appliance can for but be not limited to RNC(Radio Network Controller, radio network controller), the embodiment of the present invention be take described base station energy-saving control appliance and is illustrated as RNC as example, the base station energy-saving actuating equipment is NodeB(Node Base station, base station), as shown in figure 13, this equipment comprises: the first transmitting element 131, receiving element 132, judging unit 133, the second transmitting element 134, the 3rd transmitting element 135 grouped elements 136 and record cell 137.
The first transmitting element 131, while at RNC, community in normal operating conditions being detected, meeting the cell energy-saving condition, the Indication message that will close community sends to NodeB, and described Indication message comprises the adjustment step-length of adjusting the P-CPICH transmitting power and/or adjusts the time interval; Wherein, it will be appreciated by persons skilled in the art that adjustment step-length and/or the time interval of adjustment P-CPICH transmitting power included in described Indication message, can also be but be not limited to the adjustment number of times.The embodiment of the present invention be take described Indication message and is comprised the adjustment step-length of adjusting the P-CPICH transmitting power and the adjustment of adjusting the time interval described community P-CPICH transmitting power as example illustrates.
After NodeB receives described Indication message, the adjustment time interval of take in described Indication message is the cycle, the adjustment step-length of take in described message is unit, reduce the transmitting power of described community P-CPICH, at NodeB, the transmitting power of described community P-CPICH is reduced to the power threshold arranged after, by the described completed message of community rate of closing while sending to described RNC, receiving element 132, close the completed message in community for what receive that described NodeB sends.
Community in closing process or power save mode detected at RNC, while meeting the condition of opening community, described the first transmitting element 131 also sends to NodeB for the Indication message that will open community, and described Indication message comprises the adjustment step-length of adjusting the P-CPICH transmitting power and adjusts the time interval; After NodeB receives described Indication message, the adjustment time interval of take in described Indication message is the cycle, the adjustment step-length of take in described message is unit, improve the transmitting power of described community P-CPICH, after transmitting power when the transmitting power by described community P-CPICH is brought up to the community normal operating conditions, when the completed message in described unlatching community is sent to described RNC, described receiving element 132 also for, receive the completed message in unlatching community that described NodeB sends.
At RNC, detect in closing process Zhong community, when the condition of community is closed in satisfied termination, described the first transmitting element 131 also sends to NodeB for the Indication message of termination being closed to community; When NodeB receives described Indication message, after stopping closing community and stopping reducing the transmitting power of described community P-CPICH, termination is being closed to the completed message in community while sending to described RNC, described receiving element 132 also for, receive the termination that described NodeB sends and close the completed message in community.
Detect in opening process Zhong community at RNC, meet while stopping opening the condition of community, described the first transmitting element 131 also sends to NodeB for the Indication message that will stop the unlatching community; Receive described Indication message at NodeB, and stop to open after community stop improving the transmitting power of described community P-CPICH, in the time stopping opening the completed message in community and send to described RNC, described receiving element 132 is also opened the completed message in community for receiving the termination that described NodeB sends.
Before the Indication message that stops closing community or stop opening community at described the first transmitting element 131 sends to NodeB or afterwards, the transmitting power of judging unit 133 when judging whether the transmitting power of the P-CPICH of described community to be recalled to normal operating conditions; When described judging unit 133 is judged the transmitting power transmitting power of described community P-CPICH need to be recalled to normal operating conditions the time, the Indication message of transmitting power when described the first transmitting element 131 is also recalled to normal operating conditions for the emissivity by described community P-CPICH sends to described NodeB, and described Indication message comprises the adjustment step-length of adjusting the P-CPICH transmitting power and adjusts the time interval; During transmitting power when described NodeB recalls to normal operating conditions by the transmitting power of described community P-CPICH, the completed message of transmitting power when described receiving element 132 is also recalled to normal operating conditions for the emissivity that receives the described community P-CPICH that described NodeB sends.
Further, after in closing process Zhong Huo community, community, entering power save mode, network node in adjacent R NC or different system is initiated switching or redirect request to described community in closing process or in power save mode, the embodiment of the present invention provides a kind of and avoids the network node in adjacent R NC or different system to initiate switching or redirect request to described community in closing process or power save mode, is specially:
Wherein, avoid adjacent RNC to described closing process Zhong community or switching is initiated in the community in power save mode or redirect request comprises: when the Indication message that will close community at RNC by the first transmitting element 131 sends NodeB, perhaps before described adjacent RNC initiates switching or redirect request to described closing process Zhong community or the community in power save mode, the second transmitting element 134 is for sending cell energy-saving information by the Iur mouth to adjacent NodeB, described cell energy-saving information comprises the sign in closing process Zhong community, close indication and/or the cell energy-saving time of community, described adjacent RNC records the energy-saving information of described community after receiving described cell energy-saving information, avoids to described energy-saving cell request access or gravity treatment access.
Wherein, avoid network node in different system to initiate specifically comprising of switching or redirect request to described closing process Zhong community or the community in power save mode: when the Indication message that will close community at RNC by the first transmitting element 131 sends to NodeB, before perhaps the network node in different system is initiated switching or redirect request to described closing process Zhong community or the community in power save mode, described the second transmitting element 134 also for, by core net to the network node of different system send cell energy-saving information and with described different system in the sign of network node, described cell energy-saving information comprises the sign in closing process Zhong community, close indication and/or the cell energy-saving time of community, described core net comprises the core net of native system and the core net in different system, after network node in described different system receives described cell energy-saving information, record described cell energy-saving information, avoid to transmission community, described community handover request.
Avoid network node in different system to initiate specifically also comprising of switching or redirect request to described closing process Zhong community or the community in power save mode: when the Indication message that will close community at RNC by the first transmitting element 131 sends to NodeB, before perhaps the network node in different system is initiated switching or redirect request to described closing process Zhong community or the community in power save mode, described the second transmitting element 134 also for, send cell energy-saving information by the Iu mouth to the core net in native system; Described cell energy-saving information comprises the sign in closing process Zhong community, the indication of closing community and/or cell energy-saving time.Core net in native system is stored this cell ID and energy-saving information by record cell, until the shut-in time is overtime after receiving the described cell energy-saving information of RNC transmission temporarily.When the network node in different system is arranged is linked into described community to the core network requests in described native system, core net in described native system notifies the community of its request access of network node in described different system to be in the cell energy-saving state, do not allow access, thereby avoided network node in different system to described closing process Zhong community or switching or redirect request are initiated in the community in power save mode.
Further, for the non-CELL _ DCH state UE resided in closing process Zhong community, for avoiding its access in closing process Zhong community, when the Indication message that the embodiment of the present invention proposes will to close community at RNC sends to NodeB, perhaps before the user equipment requests of described non-cell private channel status accesses described community, described RNC utilizes the 3rd transmitting element 135 to send cell energy-saving information to the subscriber equipment in non-cell-specific channel status, described cell energy-saving information comprises the cell ID in closing process and the indication information of closing community, described indication information can but be not limited to and be carried in beep-page message.After making described UE receive described indication information, can initiatively initiate the community of cell reselection to other normal operating conditionss.
Further, when RNC controls the NodeB reduction or improves the transmitting power of community P-CPICH, divided into groups or will need the community of opening to be divided into groups in the community that can needs be closed by grouped element 136, and every group more than the Yi Ge community.When the Indication message that will close or open community at described the first transmitting element 131 sends to NodeB, described Indication message comprises the sign of each community in described grouping, and the adjustment step-length of progressively adjusting P-CPICH transmitting power corresponding with community and/or the adjustment time interval, so that NodeB, according to the sign of described community, adjusts the transmitting power of described community P-CPICH according to the adjustment step-length of progressively adjusting the P-CPICH transmitting power corresponding with described community and/or the adjustment time interval.
The invention process provides a kind of base station energy-saving actuating equipment, described base station energy-saving actuating equipment can for but be not limited to NodeB(Node Base station, base station), the embodiment of the present invention be take described base station energy-saving control appliance as RNC(Radio Network Controller, radio network controller) for example, illustrate, as shown in figure 14, this equipment comprises: receiving element 141, performance element 142 and transmitting element 143.
After the Indication message that will close community at RNC sends to described NodeB, the Indication message that the community that described NodeB sends by receiving element 141 reception RNC is closed, described Indication message comprises the adjustment step-length of adjusting the P-CPICH transmitting power and/or adjusts the time interval; Performance element 142 is for the adjustment step-length according to described Indication message and/or adjust the time interval, progressively reduces the transmitting power of described community P-CPICH; When the transmitting power by described community P-CPICH is reduced to the power threshold pre-seted, described NodeB sends and closes the completed message in community to RNC by transmitting element 143, described default power threshold is an empirical value, and the target that reaches base station energy-saving of take is criterion.
Described receiving element 141 is also for receiving the Indication message of the unlatching community that RNC sends, Indication message described in described Indication message comprises the adjustment step-length of adjusting the P-CPICH transmitting power and/or adjusts the time interval, after the Indication message that receives described unlatching community, described performance element 142, also for the adjustment step-length according to described Indication message and/or the adjustment time interval, progressively improves the transmitting power of described community P-CPICH; During transmitting power when the transmitting power by described community P-CPICH is brought up to the community normal operating conditions, described NodeB sends and opens the completed message in community to RNC by transmitting element 143.
Described receiving element 141 also stops for receiving RNC the Indication message close community, and after receiving described termination and closing the Indication message of community, described performance element 142 also, for stopping closing of community, stops reducing the transmitting power of described community P-CPICH; And send and stop closing the completed message in community to described RNC by transmitting element 143.
Described receiving element 141 also stops opening the Indication message of community for receiving RNC, after receiving the Indication message of described termination unlatching community, described performance element 142 also, for stopping the unlatching of community, stops improving the transmitting power of described community P-CPICH; And send and stop opening the completed message in community to described RNC by transmitting element 143.
Described receiving element 141 is the Indication message of the transmitting power when receiving the emissivity by described community P-CPICH that RNC sends and recall to normal operating conditions also, the adjustment of included adjustment P-CPICH transmitting power time interval in described Indication message/or adjust step-length; After receiving described Indication message, described performance element 142 is also for the adjustment step-length according to described Indication message and/or the adjustment time interval, the transmitting power when transmitting power of described community P-CPICH is recalled to the community normal operating conditions; After transmitting power when NodeB adjusts back to the community normal operating conditions by the transmitting power of described community P-CPICH, the completed message of transmitting power while by described transmitting element 143, the transmitting power of described community P-CPICH being adjusted to the community normal operating conditions sends to RNC.
The embodiment of the present invention provides a kind of energy-saving system of base station, and the embodiment of the present invention is example with WCDMA (Wideband Code Division Multiple Access) system, illustrates the method for base station energy-saving; In the WCDMA system, the base station energy-saving control appliance is RNC(Radio Network Controller, radio network controller), the base station energy-saving actuating equipment is NodeB (Node Base station, base station) as shown in figure 15, this system comprises: radio network controller (RNC) 151 and base station (NodeB) 152.
RNC151, for detection of the loading condition of community; If, when community in normal operating conditions being detected and meeting the cell energy-saving condition, the Indication message that will close community sends to NodeB152, described Indication message comprises the adjustment step-length of adjusting the P-CPICH transmitting power and/or adjusts the time interval; And receive that described NodeB152 sends close the completed message in community;
If RNC151 detects community in closing the community process or power save mode, meet the condition of opening community, described RNC151 also sends to NodeB152 for the Indication message that will open community, and described Indication message comprises the adjustment step-length of adjusting the P-CPICH transmitting power and/or adjusts the time interval; And receive the completed message in unlatching community that described NodeB152 sends.
If RNC151 detects in closing process Zhong community, community, the condition of community is closed in satisfied termination, described RNC151 also for, the Indication message that stops closing community is sent to NodeB152; And the message that community completes is closed in the termination that receives described NodeB152 transmission.
If RNC151 detects in opening process Zhong community, meet to stop open the condition of community, described RNC151 also for, the Indication message that stops opening community is sent to NodeB152; And receive termination that described NodeB152 sends and open the message that the indication information district of community completes.
Further, for fear of community after closing process Zhong Huo community enters power save mode, network node in adjacent R NC or different system is initiated switching or redirect request to described community in closing process or in power save mode, described RNC151 also for, send cell energy-saving information by the Iur mouth to adjacent RNC, by core net to the network of different system connect node send cell energy-saving information and with described different system in the sign of network node, described core net comprises core net in native system and the core net in different system; Perhaps by the Iu mouth, to the core net in native system, send cell energy-saving information; Wherein, described cell energy-saving information comprises the sign of the community in closing, the indication of closing community and/or cell energy-saving time.
Adjacent RNC receives and records the cell energy-saving information that described RNC151 sends, and avoids being linked into the community in power save mode.
Further when in closing process Zhong community, having the subscriber equipment of non-cell private channel status, for avoiding its access in closing process Zhong community, when described RNC151 also sends to the base station energy-saving actuating equipment for the Indication message that will close community at RNC, perhaps before the user equipment requests of described non-cell private channel status accesses described community, send cell energy-saving information to described non-cell-specific channel status UE, described cell energy-saving information comprises sign and the described indication information of closing community of described community.Described indication information can but be not limited to described cell energy-saving information be carried in beep-page message to the subscriber equipment that sends to described non-cell private channel status.After described UE receives described indication information, record the described information of the cell energy-saving in power save mode, if described UE request access community, just can avoid accessing described stingy in power save mode, initiatively initiate the community that cell reselection arrives other normal operating conditionss.
NodeB152, the Indication message of closing community sent for receiving RNC151, described Indication message comprises the adjustment step-length of adjusting the P-CPICH transmitting power and/or adjusts the time interval, and, according to the adjustment step-length in described Indication message and/or the adjustment time interval, reduce the transmitting power of described community P-CPICH; When the transmitting power of the P-CPICH of described community is reduced to default power threshold, to described RNC151, sends and close the completed message in community.
Described NodeB152 also for, receive the Indication message of the unlatching community of RNC151 transmission, described Indication message comprises the adjustment step-length of adjusting the P-CPICH transmitting power and/or adjusts the time interval, and according to the adjustment step-length in described Indication message and/or the adjustment time interval, improve the transmitting power of described community P-CPICH, transmitting power when the transmitting power of described community P-CPICH is brought up to the community normal operating conditions, send and open the completed message in community to described RNC151.
Described NodeB152, the Indication message of also for the termination that receives the RNC151 transmission, closing community, and the transmitting power of the described community P-CPICH of termination reduction, after stopping reducing the transmitting power of described community P-CPICH, the completed message in community is closed in the termination sent to described RNC152.
Described NodeB152, also for the termination that receives the RNC151 transmission, open the Indication message of community, and the transmitting power of the described community P-CPICH of termination raising, after stopping reducing the transmitting power of described community P-CPICH, to described RNC151, send and stop the completed message in unlatching community.
Described NodeB152 is the Indication message of the transmitting power when receiving the emissivity by described community P-CPICH that RNC sends and recall to normal operating conditions also, the adjustment of included adjustment P-CPICH transmitting power time interval in described Indication message/or adjust step-length; After receiving described Indication message, according to the adjustment step-length in described Indication message and/or the adjustment time interval, the transmitting power when transmitting power of described community P-CPICH is recalled to the community normal operating conditions; After transmitting power when the transmitting power by described community P-CPICH adjusts back to the community normal operating conditions, the completed message of the transmitting power when transmitting power of described community P-CPICH is adjusted to the community normal operating conditions sends to RNC.
The embodiment of the present invention also provides a kind of network system, as shown in figure 16, comprise the core net processing unit 161 in native system, core net processing unit 161 in described native system specifically comprises receiving element 1611 and transmitting element 1612, and wherein said receiving element 1611 is for the cell energy-saving information that receives the base station energy-saving control appliance and send and the sign of different system network node; After the sign of transmitting element 1612 for cell energy-saving information that described receiving element 1611 is received and different system network node, the sign of network node in described cell energy-saving information and different system is transmitted to the core net 162 in different system.
Described core net processing unit 161 comprises goes back record cell 1613, the cell energy-saving information that described receiving element 1611 also sends for receiving the base station energy-saving control appliance, the described cell energy-saving information that record cell 1613 receives for recording described receiving element 1611, until the shut-in time is overtime.When the network node in different system is arranged is linked into described community to described core network requests, described core net notifies the community of its request access of network node in described different system to be in the cell energy-saving state, do not allow access, thereby avoided network node in different system to described closing process Zhong community or switching or redirect request are initiated in the community in power save mode.
Further, this network system also can comprise the core net 162 in different system, the sign of network node in the cell energy-saving information sent for the transmitting element 1612 in the core net processing unit 161 that receives native system and different system, and after the sign of network node, according to the sign of described network node, cell energy-saving information is sent to corresponding network node 163 in receiving described cell energy-saving information and different system.
Further, this network system also can comprise the network node 163 in different system, after described network node 163 receives described cell energy-saving information, records described cell energy-saving information, avoids to transmission community, described community handover request.Wherein, described different system can for but be not limited to LTE (Long Term Evolution, Long Term Evolution) system, GSM(Global System for Mobile communications, global system for mobile communications); In the LTE system, described network node can for but be not limited to eNB or MME, in gsm system, described network node can for but be not limited to BSC (Base Station Controller, base station controller).
Further, this network system also can comprise the subscriber equipment of non-cell-specific channel status, the cell energy-saving information sent for receiving RNC, after receiving described cell energy-saving information, according to described subscriber equipment measurement result, described subscriber equipment is linked in the community of other normal operating conditionss.
In the embodiment of the present invention, when the base station energy-saving control appliance detects community in normal operating conditions and meets the cell energy-saving condition, send the Indication message of closing community to the base station energy-saving actuating equipment, control the adjustment step-length of the adjustment P-CPICH transmitting power that described base station energy-saving actuating equipment comprises according to described Indication message and/or adjust the time interval and reduce the transmitting power of described community P-CPICH, realize the process that community is closed gradually, reach the purpose of base station energy-saving; After described base station energy-saving actuating equipment receives described Indication message, the adjustment time interval of take in described Indication message is the cycle, the adjustment step-length of take in described message is unit, reduce the transmitting power of described community P-CPICH, when the public power of the emission by described community P-CPICH is reduced to the transmitting power of saving base station energy consumption, just realized the purpose of base station energy-saving.
And in realizing the process of base station energy-saving, the adjustment time interval that the base station energy-saving actuating equipment be take in described Indication message is the cycle, the adjustment step-length of take in described message is unit, reduce the transmitting power of described community P-CPICH, transmitting power reduction due to described community P-CPICH, the transmitting power that makes some subscriber equipmenies in described community measure this community P-CPICH can not guarantee the proper communication of itself and base station, just the subscriber equipment that makes described community gradually be switched to other communities, with by direct-cut operation, described needs are closed to subscriber equipment in community in prior art and are switched to other communities and compare, avoided the possibility of conversation loss, guaranteed user's experience.
And, when described RNC need to be when reducing or improving the transmitting power of P-CPICH of community, described RNC, needs can be reduced to P-CPICH emission Gong community and be divided into groups, needs can also be improved to the community of P-CPICH transmitting power and be divided into groups, take group as operating unit, with respect to send the Indication message of the transmitting power of adjusting Primary Common Pilot Channel to described RNC for single subdistrict, save the traffic volume of instruction, saved the load of communication channel, improved operating efficiency.
Further, in the embodiment of the present invention, RNC can also control NodeB and will or close process Zhong community, community in power save mode, the transmitting power when transmitting power of its P-CPICH is brought up to the community normal operating conditions, and can control reduction or raising that NodeB stops the transmitting power of community P-CPICH, make the RNC situation current according to network, adjust timely the transmitting power of community, realize the energy-conservation controllable purpose to base station.
Further, the embodiment of the present invention, in realizing energy-conservation process, also sends cell energy-saving information to the RNC adjacent with described community, avoids the RNC adjacent with described community in power save mode or in closing the community request access of community.
And, subscriber equipment for the non-cell-specific channel status in closing process Zhong community, community, the embodiment of the present invention sends its cell energy-saving information in closing process Zhong community to described subscriber equipment, after described subscriber equipment receives described cell energy-saving information, avoid accessing the described community in power save mode, request is linked in other communities in normal operating conditions, guaranteed the success rate of described subscriber equipment access community, reduce user's call drop probability, improved user's experience.
The embodiment of the present invention can also apply in other network systems, realize its base station energy-saving control, for example, as LTE (Long Term Evolution, Long Term Evolution) system, GSM(Global System for Mobile communications, global system for mobile communications).The corresponding node of controlling needs to adjust.For example, in gsm system, described base station energy-saving control appliance is BSC (Base Station Controller, base station controller), described base station energy-saving actuating equipment is BSS (Base Station Sub-system, base station sub-system), control BSS by BSC and carry out the power adjustment, realize the Energy Saving Control of base station.
Through the above description of the embodiments, the those skilled in the art can be well understood to the mode that the present invention can add essential common hardware by software and realize, can certainly pass through hardware, but in a lot of situation, the former is better execution mode.Understanding based on such, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium can read, floppy disk as computer, hard disk or CD etc., comprise some instructions with so that computer equipment (can be personal computer, server, or the network equipment etc.) carry out the described method of each embodiment of the present invention.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion by the described protection range with claim.

Claims (16)

1. the method for a base station energy-saving, is characterized in that, comprising:
When if community in normal operating conditions being detected and meeting the cell energy-saving condition, the Indication message that will close community sends to the base station energy-saving actuating equipment, described Indication message comprises the adjustment step-length of adjusting the Primary Common Pilot Channel transmitting power and/or adjusts the time interval, so that described base station energy-saving actuating equipment is after receiving the Indication message of cutting out described community, according to the adjustment step-length in described Indication message and/or the adjustment time interval, progressively reduce the transmitting power of described community Primary Common Pilot Channel.
2. the method for base station energy-saving according to claim 1, is characterized in that, described Indication message of closing community further comprises: the adjustment number of times of adjusting the Primary Common Pilot Channel transmitting power.
3. the method for base station energy-saving according to claim 1, is characterized in that, described cell energy-saving condition comprises any one in following condition or the combination of the Arbitrary Term in following condition:
The load of described community is lower than the first load-threshold pre-seted; Perhaps in described community the quantity of subscriber equipment lower than the number of users thresholding pre-seted; Perhaps described community arrives the time that pre-sets of closing community; Perhaps the load of described community is compared lower than the load difference thresholding pre-seted with the load of coverage cell with alien frequencies; Perhaps in described community, the quantity of subscriber equipment is compared lower than the quantity difference threshold pre-seted with the quantity of subscriber equipment in coverage cell with alien frequencies.
4. the method for base station energy-saving according to claim 1, is characterized in that, also comprises:
If community in closing process or power save mode detected, while meeting the condition of opening community, the Indication message that will open community sends to the base station energy-saving actuating equipment, and described Indication message comprises the adjustment step-length of adjusting the Primary Common Pilot Channel transmitting power and/or adjusts the time interval.
5. base station energy-saving method according to claim 4, is characterized in that, the condition of described unlatching community comprises any one in following condition or the combination of the Arbitrary Term in following condition:
The alien frequencies of described community with the load of coverage cell higher than the second load-threshold pre-seted; Perhaps the quantity of the subscriber equipment of the described community of request access surpasses default quantity thresholding within a certain period of time; Perhaps described community arrives the time that pre-sets of opening community; Perhaps the load of described community is compared higher than the load difference thresholding pre-seted with the load of coverage cell with alien frequencies; Perhaps in described community, the quantity of subscriber equipment is compared higher than the quantity difference threshold pre-seted with the quantity of subscriber equipment in coverage cell with alien frequencies.
6. the method for base station energy-saving according to claim 1, is characterized in that, also comprises
If detect in closing process Zhong community, the condition of community is closed in satisfied termination, and the Indication message of termination being closed to community sends to the base station energy-saving actuating equipment;
If the community in opening process detected, meet the condition that stops opening community, the Indication message that will stop the unlatching community sends to the base station energy-saving actuating equipment.
7. the method for base station energy-saving according to claim 6, is characterized in that, also comprises:
Transmitting power while judging whether the transmitting power of described community Primary Common Pilot Channel to be recalled to normal operating conditions;
If judge the transmitting power in the time of the transmitting power of described community Primary Common Pilot Channel need to being recalled to normal operating conditions, the Indication message of the transmitting power while the transmitting power of described community Primary Common Pilot Channel being recalled to normal operating conditions sends to described base station energy-saving actuating equipment, and described Indication message comprises the adjustment step-length of adjusting the Primary Common Pilot Channel transmitting power and/or adjusts the time interval.
8. the method for base station energy-saving according to claim 6, is characterized in that, the condition that community is closed in described termination comprises any one in following condition or the combination of the Arbitrary Term in following condition:
The number of users of request access in closing process Zhong community reaches the predetermined number thresholding within a certain period of time; Perhaps the alien frequencies in closing process Zhong community with the load of coverage cell higher than default the second load-threshold; Perhaps the conversation loss in closing process Zhong community increases;
The condition that community is opened in described termination comprises: the alien frequencies in opening process Zhong community with the load of coverage cell lower than default the 3rd load-threshold.
9. the method for base station energy-saving according to claim 1, is characterized in that, further comprises:
Divided into groups in the community that needs are closed, and the Indication message of to the transmission of base station energy-saving actuating equipment, closing community, described Indication message comprises the sign of each community in described grouping, and the adjustment step-length of progressively adjusting Primary Common Pilot Channel transmitting power corresponding with community and/or the adjustment time interval;
Divided into groups in the community that needs are opened, and open the Indication message of community to the transmission of base station energy-saving actuating equipment, described Indication message comprises the sign of each community in described grouping, and the adjustment step-length of progressively adjusting Primary Common Pilot Channel transmitting power corresponding with community and/or the adjustment time interval.
10. the method for base station energy-saving according to claim 1, is characterized in that, the method also comprises:
Send cell energy-saving information by the Iur mouth to adjacent base station energy-saving control appliance; Perhaps
By core net to the network node in different system send cell energy-saving information and with the sign of described network node, described core net comprises the core net of native system and the core net of different system; Perhaps by the Iu mouth, to the core net in native system, send cell energy-saving information;
Described cell energy-saving information comprises the sign in closing process Zhong community, the indication of closing community and/or cell energy-saving time.
11. the method for base station energy-saving according to claim 10, is characterized in that, the method also comprises:
Described adjacent base station energy-saving control appliance receives and records described cell energy-saving information; Perhaps
The core net of described native system receive described cell energy-saving information and with described different system in the sign of network node, and by described cell energy-saving information and with described different system in the sign of network node be transmitted to the core net of different system, the core net of described different system sends described cell energy-saving information according to the sign of described network node to described network node; Described network node receives and records described cell energy-saving information;
Perhaps the core net in described native system receives and records described cell energy-saving information.
12. the method for base station energy-saving according to claim 1, is characterized in that, when in closing process Zhong community, having the subscriber equipment of non-cell private channel status, the method also comprises:
Cell energy-saving information is sent to the subscriber equipment of described non-cell private channel status, described cell energy-saving information comprises the sign of closing process Zhong community and the indication of closing community.
13. the method for base station energy-saving according to claim 12, is characterized in that, describedly sends to the subscriber equipment of described non-cell private channel status to comprise cell energy-saving message:
Described cell energy-saving information is carried in beep-page message to the subscriber equipment that sends to described non-cell private channel status.
14. a base station energy-saving control appliance, is characterized in that, comprising:
The first transmitting element, for when community in normal operating conditions being detected and meet the cell energy-saving condition, the Indication message that will close community sends to the base station energy-saving actuating equipment, described Indication message comprises the adjustment step-length of progressively adjusting the Primary Common Pilot Channel transmitting power and/or adjusts the time interval, so that described base station energy-saving actuating equipment is after receiving the Indication message of cutting out described community, according to the adjustment step-length in described Indication message and/or the adjustment time interval, progressively reduce the transmitting power of described community Primary Common Pilot Channel.
15. a base station energy-saving actuating equipment, is characterized in that, comprising:
Receiving element, the Indication message of closing for the community that receives the transmission of base station energy-saving control appliance, described Indication message comprises the adjustment step-length of adjusting the Primary Common Pilot Channel transmitting power and/or adjusts the time interval, and to be described base station energy-saving control appliance send to described base station energy-saving actuating equipment detecting when community in normal operating conditions meets the cell energy-saving condition described Indication message;
Performance element, for the adjustment step-length according to described Indication message and/or the adjustment time interval, progressively reduce the transmitting power of described community Primary Common Pilot Channel.
16. an energy-saving system of base station, is characterized in that, comprising:
The base station energy-saving control appliance, while for if community in normal operating conditions being detected, meeting the cell energy-saving condition, the Indication message that will close community sends to the base station energy-saving actuating equipment, and described Indication message comprises the adjustment step-length of adjusting the Primary Common Pilot Channel transmitting power and/or adjusts the time interval;
The base station energy-saving actuating equipment, the Indication message of closing community sent for receiving the base station energy-saving control appliance, described Indication message comprises the adjustment step-length of adjusting the Primary Common Pilot Channel transmitting power and/or adjusts the time interval; And, according to the adjustment step-length in described Indication message and/or the adjustment time interval, progressively reduce the transmitting power of described community Primary Common Pilot Channel.
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