CN102457947B - Network energy-saving system, network energy-saving method and relevant apparatus - Google Patents
Network energy-saving system, network energy-saving method and relevant apparatus Download PDFInfo
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- CN102457947B CN102457947B CN201010519442.9A CN201010519442A CN102457947B CN 102457947 B CN102457947 B CN 102457947B CN 201010519442 A CN201010519442 A CN 201010519442A CN 102457947 B CN102457947 B CN 102457947B
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- 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
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- 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
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- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a kind of network energy-saving system, network energy-saving method and relevant apparatus, in order to solve the frequent problem switched between not good, the different RAT network of user communication quality in existing energy-saving scheme.This system comprises: energy-conservation node, when entering the condition of power save mode for meeting at self, send for asking the request message entering power save mode to power back-off node, and according to receiving acknowledge message that described power back-off node sends and determine to enter the time of power save mode, and enter power save mode in the time that this is determined; Power back-off node, after receiving described request message that energy-conservation node sends, judging whether to allow energy-conservation node group to enter power save mode, when judging to allow to enter power save mode, sending acknowledge message to each energy-conservation node in energy-conservation node group; And determine the time entering power save mode, and the time determined to described energy-conservation node group in the former coverage of each energy-conservation node carry out covering and compensate.
Description
Technical field
The present invention relates to wireless communication technology field, particularly relate to a kind of network energy-saving system, a kind of network energy-saving method and a kind of power back-off equipment and a kind of energy-saving point device.
Background technology
In order to ensure that mobile subscriber can use mobile service whenever and wherever possible and meet the demand of speech quality of mobile terminal number close quarters peak hours/period user, in existing network in order to realize movable signal completely cover and telephone traffic higher district multilayer cover, laid a large amount of base station equipments.But find that the utilance of base station equipment is not high through statistics, average utilization, less than 50%, in the instantaneous utilance of some period even less than 10%, just causes the waste problem of the energy in this case.
In order to solve the problem of above-mentioned energy waste, prior art provides multiple energy-saving scheme.The energy-saving scheme of current majority is Corpus--based Method result, general principle is: the utilization rate data obtaining base station in the order history time period, the subnetwork parameter of adjustment base station equipment, what such as adopt at present closes time slot/carrier frequency function at times based on user's tidal effect, as 0:00 in morning every day does not send any signaling and business datum to 6:00 in early morning on partial time slot or carrier frequency, thus reach energy-saving effect.
In Long Term Evolution (LTE, LongTermEvolution) network system, the method for only closing time slot/carrier frequency function at times with statistics cannot meet sudden strong, the demand that traffic carrying capacity is large of future services.For this reason in the 3GPPREL-9 stage, propose the standardization motion of power-saving technology, its principle is as follows:
When the cell unit A1 in the A of base station determines when entering power save mode according to current load situation, base station A notifies adjacent base station B, base station C cell unit A1 enters power save mode; When adjacent base station B or base station C load increase, request base station A carries out load balancing; When base station A reopen advance into the cell unit A1 of power save mode after, notice adjacent base station B or base station C cell unit A1 resume work.
But the prerequisite of above-mentioned motion is, the coverage of each community all has bottom to cover to ensure when the cell unit A1 in the A of base station enters power save mode, and the base station providing bottom to cover absorbs the telephone traffic in the former overlay area of cell unit A1.
But under intra-LTE scene in the 3GPPREL-10 stage, network system will no longer forever provide bottom to cover, therefore the standardization motion of above-mentioned power-saving technology will be difficult to meet the telephone traffic demand entering the former overlay area of cell unit of power save mode.In this case, how still to guarantee the telephone traffic absorbing former overlay area, this base station when portion of base stations enters power save mode, namely ensure that the communication quality of user is a problem anxious to be resolved.
In addition, in intra-LTE scene in the 3GPPREL-10 stage, LTE network and 2G (or 3G) network is used to repeat to cover to the same area respectively, please refer to shown in accompanying drawing 1a, wherein CellA is the region of 2G (or 3G) network coverage, CellB, CellC and CellD be the region that LTE network covers.Assuming that in order to save the energy, CellC enters power save mode according to the loading condition of self, and do not close CellB and CellD simultaneously, then will cause in LTE network coverage and occur " cavity " on the former overlay area of CellC, so when the overlay area having mobile terminal from CellB, enter the overlay area of CellD through the overlay area of CellC, needs are first switched in 2G (or 3G) network by LTE network, be switched to again in LTE network, as shown in figure ib.Said process can cause mobile terminal repeatedly to switch different radio access module (RAT, RadioAccessTechnology) is internetwork, thus increases the probability that call drop appears in the increase of the mutual signaling in network and mobile terminal.
Therefore, the scheme that above-mentioned base station (or the cell unit in base station) determines to enter power save mode according to the load state of self cannot ensure user communication quality or avoid the frequent problem switched between different radio access module network.
Summary of the invention
The embodiment of the present invention provides a kind of network energy-saving system, in order to solve the frequent problem switched between the not good and different RAT network of user communication quality in existing energy-saving scheme.
Accordingly, the embodiment of the present invention additionally provides a kind of network energy-saving method, a kind of power back-off node device and a kind of energy-saving point device.
The technical scheme that the embodiment of the present invention provides is as follows:
A kind of network energy-saving system, comprise power back-off node and the energy-conservation node group comprising at least one energy-conservation node, wherein: energy-conservation node, for meet at self predetermined enter the condition of power save mode time, send for asking the request message entering power save mode to described power back-off node, and according to receiving acknowledge message that described power back-off node sends and determine to enter the time of power save mode, and enter power save mode in the time that this is determined; Power back-off node, after receiving described request message that energy-conservation node sends, judging whether to allow energy-conservation node group to enter power save mode, when judging to allow energy-conservation node group to enter power save mode, sending acknowledge message to each energy-conservation node in described energy-conservation node group; And determine the time entering power save mode, and the time determined to described energy-conservation node group in the former coverage of each energy-conservation node carry out covering and compensate.
A kind of network energy-saving method, comprising: the energy-conservation node received power in energy-conservation node group compensates the acknowledge message that node is sent, and determines according to this acknowledge message the time entering power save mode; The time that this is determined enters power save mode.
A kind of network energy-saving method, comprise: the power back-off node energy-conservation node received in energy-conservation node group send for ask to enter power save mode request message after, judge whether to allow described energy-conservation node group to enter power save mode, described energy-conservation node group comprises at least one energy-conservation node; And when judging to allow described energy-conservation node group to enter power save mode, send acknowledge message to each energy-conservation node in described energy-conservation node group; And determine the time entering power save mode; Described power back-off node carries out covering to the former coverage of each energy-conservation node in described energy-conservation node group and compensates on the time determined.
A kind of power back-off node device, comprising: the first receiving element, for the request message for asking to enter power save mode that the energy-conservation node received in energy-conservation node group is sent, described energy-conservation node group comprises at least one energy-conservation node; Judging unit, after receiving described request message, judges whether to allow described energy-conservation node group to enter power save mode for the first receiving element; First transmitting element, during for judging at judging unit to allow to enter power save mode, sends acknowledge message to each energy-conservation node in described energy-conservation node group; Determining unit, for the acknowledge message sent according to the first transmitting element, determines the time entering power save mode; Performance element, the time for determining in determining unit carries out covering to the former coverage of each energy-conservation node in described energy-conservation node group and compensates.
A kind of energy-saving point device, comprising: the first receiving element, compensates node according to the corresponding acknowledge message sent of described request message for received power; Determining unit, the acknowledge message for receiving according to the first receiving element determines the time entering power save mode; Performance element, enters power save mode for the time determined in determining unit.
A kind of network energy-saving system, comprise energy-conservation node group, power back-off node, described energy-conservation node group comprises a predetermined cluster head node, wherein: other the energy-conservation nodes in energy-conservation node group except cluster head node, for meet predetermined enter the condition of power save mode time, send for asking the request message entering power save mode to described cluster head node; And after receiving acknowledge message that described cluster head node sends, determine according to this acknowledge message the time entering power save mode, and enter power save mode on the time that this is determined; Cluster head node, for after the request message that other energy-conservation nodes in the energy-conservation node group receiving self place are sent, judge whether to allow to enter power save mode, when judging to allow to enter power save mode, each energy-conservation node in described energy-conservation node group except self and power back-off node send acknowledge message, and determine the time entering power save mode; And power save mode is entered on the described time determined; Power back-off node, after receiving acknowledge message that described cluster head node sends, determine according to this acknowledge message the time entering power save mode, and on the time determined, covering compensation is carried out to the former coverage of each energy-conservation node in described energy-conservation node group.
A kind of network energy-saving method, comprise: power back-off node receives the acknowledge message that energy-conservation node is sent, and determine according to the acknowledge message received the time entering power save mode, and on the time determined, covering compensation is carried out to the former coverage of each energy-conservation node in the predetermined energy-conservation node group at described energy-conservation node place.
A kind of network energy-saving method, comprise: cluster head node other energy-conservation nodes received in the energy-conservation node group at self place send for ask to enter power save mode request message after, judge whether to allow to enter power save mode, and when judging to allow to enter power save mode, each energy-conservation node in described energy-conservation node group except self and power back-off node send acknowledge message; And determine the time entering power save mode; The described time determined enters power save mode.
A kind of power back-off node device, comprising: receiving element, for receiving the acknowledge message that energy-conservation node is sent; Determining unit, the acknowledge message for receiving according to receiving element determines the time entering power save mode; Performance element, carries out covering to the former coverage of each energy-conservation node in the predetermined energy-conservation node group at described energy-conservation node place and compensates on the time determined in determining unit.
A kind of energy-saving point device, comprising: the first receiving element, for receive described energy-saving point device place energy-conservation node group in the request message for asking to enter power save mode sent of other energy-conservation nodes; Judging unit, after receiving described request message, judges whether to allow to enter power save mode for the first receiving element; First transmitting element, during for judging at judging unit to allow to enter power save mode, sends acknowledge message to other the energy-conservation nodes each in energy-conservation node group and power back-off node; Determining unit, for the acknowledge message sent according to the first transmitting element, determines the time entering power save mode; Performance element, enters power save mode on the time determined in described determining unit.
A kind of network energy-saving system, comprise energy-conservation node group and power back-off node, described energy-conservation node group comprises at least two energy-conservation nodes, wherein: energy-conservation node, for meet at self predetermined enter the condition of power save mode time, send for asking the request message entering power save mode to the energy-conservation node of other in the energy-conservation node group at self place; And after receiving the corresponding positive reply of sending of other energy-conservation nodes, judge whether to allow described energy-conservation node group to enter power save mode, and when judging to allow to enter power save mode, send acknowledge message to other the energy-conservation nodes in described energy-conservation node group and power back-off node; Determine according to this acknowledge message the time entering power save mode, and enter power save mode on the time that this is determined; And after the request message sent of other the energy-conservation nodes in the energy-conservation node group receiving self place, self meet predetermined enter the condition of power save mode time, send positive reply; Power back-off node, for after the acknowledge message that the energy-conservation node received in energy-conservation node group is sent, determine according to this acknowledge message the time entering power save mode, and on the time that this is determined, covering compensation is carried out to the former coverage of each energy-conservation node in described energy-conservation node group.
A kind of network energy-saving method, comprise: the first energy-conservation node in energy-conservation node group self meet predetermined enter the condition of power save mode time, send for asking the request message entering power save mode to the energy-conservation node of other in the energy-conservation node group at self place; And after receiving the corresponding positive reply of sending of other energy-conservation nodes, judge whether to allow described energy-conservation node group to enter power save mode, described positive reply be other energy-conservation nodes described after receiving described request message, other energy-conservation nodes described meet predetermined enter the condition of power save mode time send, and when judging to allow to enter power save mode, send acknowledge message to other the energy-conservation nodes in described energy-conservation node group and power back-off node; First energy-conservation node determines according to described acknowledge message the time entering power save mode, and enters power save mode on the time that this is determined.
A kind of energy-saving point device, comprising: monitoring unit, self whether meeting the predetermined condition entering power save mode for monitoring; First transmitting element, for monitor at monitoring unit self meet predetermined enter the condition of power save mode time, send for asking the request message entering power save mode to other energy-saving point devices in same energy-saving point device group; First receiving element, the positive reply that the described request message correspondence sent according to the first transmitting element for receiving other energy-conservation nodes is sent, described positive reply be other energy-conservation nodes after receiving request message, other energy-conservation nodes described meet predetermined enter the condition of power save mode time send; Determining unit, for the positive reply received according to the first receiving element, determines whether to allow described energy-conservation node group to enter power save mode; Second transmitting element, when allowing to enter power save mode for determining in determining unit, sends acknowledge message to other the energy-conservation nodes in described energy-conservation node group and power back-off node; Determining unit, for the acknowledge message sent according to the second transmitting element, determines the time entering power save mode; Performance element, enters power save mode on the time determined in determining unit; 3rd transmitting element, for after the request message sent at other the energy-conservation nodes received in same energy-conservation node group, self meet predetermined enter the condition of power save mode time, send positive reply.
In the network energy-saving scheme that the embodiment of the present invention provides, energy-conservation node in energy-conservation node group self meet predetermined enter the condition of power save mode time, the request message for asking to enter power save mode is sent to power back-off node or other energy-conservation nodes of specifying, before receiving the confirmation message, keep normal operating conditions.Power back-off node or other energy-conservation nodes of specifying are after determining to allow energy-conservation node group to enter power save mode, acknowledge message is sent to each energy-conservation node in energy-conservation node group, energy-conservation node in energy-conservation node group determines according to the acknowledge message received the time entering power save mode, and enters power save mode in the time determined; After simultaneously power back-off node determines the time that energy-conservation node group enters power save mode, the time determined to energy-conservation node group in the former coverage of each energy-conservation node carry out coverings compensation.Ensure that on the one hand energy-conservation node enters power save mode and power back-off node and carries out covering and compensate and occur simultaneously, after entering power save mode to avoid energy-conservation node, the user communication quality in the former coverage of energy-conservation node is affected; On the other hand, ensure that the energy-conservation node in energy-conservation node group can enter power save mode simultaneously, instead of successively enter power save mode separately, thus the switching problem frequently avoiding appearance " cavity " on each former overlay area of energy-conservation node of energy-conservation node group and cause.
Accompanying drawing explanation
Fig. 1 a is the schematic diagram that the network of different radio access module in prior art repeats to cover;
Fig. 1 b is that in prior art, the schematic diagram in " cavity " appears in part of nodes after entering power save mode;
Fig. 2 is that the main of the embodiment of the present invention realizes principle flow chart;
Fig. 3 is the schematic diagram of network configuration in the inventive method embodiment one;
Fig. 4 is the flow chart of network energy-saving method in the inventive method embodiment one;
Fig. 5 is the schematic diagram of network configuration in the inventive method embodiment two;
Fig. 6 is the flow chart of network energy-saving method in the inventive method embodiment two;
Fig. 7 is the schematic diagram of network configuration in the inventive method embodiment three;
Fig. 8 is the flow chart of network energy-saving method in the inventive method embodiment three;
The structural representation of a kind of power back-off node device that Fig. 9 provides for the inventive method embodiment;
The structural representation of a kind of energy-saving point device that Figure 10 provides for the inventive method embodiment;
The structural representation of the another kind of power back-off node device that Figure 11 provides for the inventive method embodiment;
The structural representation of the second energy-saving point device that Figure 12 provides for the inventive method embodiment;
The structural representation of the third energy-saving point device that Figure 13 provides for the inventive method embodiment.
Embodiment
Inventor finds that the reason of intra-LTE or the intra-LTE scene that existing energy-saving scheme was not suitable in the 3GPPREL-10 stage is in current energy-saving scheme, node is all determine whether to enter power save mode according to the load state of self, and entering power save mode according to result, this mode can not ensure that all energy-conservation nodes enter power save mode simultaneously and meanwhile strengthen transmitting power in order to compensating covering to the original coverage of the node entering power save mode for carrying out covering the node compensated.
Based on this, inventor provide several network energy-saving scheme, its core concept is before energy-conservation node enters power save mode, with other nodes, the time entering power save mode is held consultation, a node is had to send the notice entering power save mode to other nodes, to ensure that the energy-conservation node in destined node group can entering power save mode, meanwhile compensating covering for carrying out covering the node compensated to the original coverage of the node entering power save mode simultaneously.
Below in conjunction with each accompanying drawing, the main of embodiment of the present invention technical scheme is realized principle, embodiment and be explained in detail the beneficial effect that should be able to reach.
As shown in Figure 2, it is as follows that the embodiment of the present invention main realizes principle process:
Step 10, the first energy-conservation node in energy-conservation node group self meet predetermined enter the condition of power save mode time, send for asking the request message entering power save mode to the predetermined energy-conservation node in power back-off node or this destined node group;
Step 20, the predetermined energy-conservation node in power back-off node or energy-conservation node group judges whether to allow described energy-conservation node group to enter power save mode, if allow, then enters step 30;
Step 30, power back-off node sends acknowledge message to each energy-conservation node in described energy-conservation node group; Or predetermined energy-conservation node sends acknowledge message to other the energy-conservation nodes each in power back-off node and described energy-conservation node group; Described acknowledge message is for determining the time entering power save mode;
Step 40, after all energy-conservation node in described energy-conservation node group receives the confirmation message, determine according to the acknowledge message received the time entering power save mode, and on the time determined, enter power save mode and power back-off node carry out on this time covering compensate.
According to foregoing invention principle of the present invention, main the realize principle of three embodiments to the inventive method will be introduced in detail and be explained in detail and illustrate below.
Embodiment one
Power back-off node is as host node in the present embodiment, for judging whether other nodes can enter power save mode and determine to enter the time of power save mode.Comprise at least one from node group to preset as the energy-conservation node from node, send request message for ask enter power save mode when self meeting the predetermined condition of power save mode that enters to host node from node, and determine when to enter power save mode according to the feedback of host node.
Please refer to accompanying drawing 3, is the schematic network structure of the embodiment of the present invention.Wherein host node S is power back-off node, and predetermined possess from the node A node group, Node B, node C the energy-conservation node entering power save mode function, and node A, Node B, node C can be the node of the adjacent same wireless access module in overlay area.Node D is the node of the different radio access module adjacent with node A overlay area.
Please refer to accompanying drawing 4, is the flow chart of network energy-saving method in the embodiment of the present invention, and the whole flow process entering power save mode for Node A requests is here introduced network energy-saving method.
Step 401, monitors self whether to meet the predetermined condition entering power save mode, if enter step 402 from node A;
The predetermined condition entering power save mode includes but not limited to:
Load lower than predetermined threshold, or
Described power back-off node can bear this load from node, should can be determined that can power back-off node bear this load from node from node by heartbeat message regularly mutual between power back-off node.
Step 402, sends for asking the request message entering power save mode from node A to host node S;
Step 403, after host node S receives the request message sent from node A, judges whether to enter power save mode from node A described in permission, if so, enters step 404, otherwise enter step 407;
Here host node S by judge when from node group be all in normal operating conditions from node, when receiving the request message sent from node A, all request messages sent from node (from node A, from Node B, from node C) from node group whether are have received, if so, allow to enter power save mode from node group; Otherwise, do not allow to enter power save mode from node group.
Step 404, host node S sends acknowledge message to each from node group from node (from node A, from Node B with from node C), enters step 405;
Step 405, according to the acknowledge message sent in step 404, host node S determines that energy-conservation node enters the time of power save mode, to strengthen transmitting power on this time, carry out covering compensation to each from node group from the former overlay area of node (from node A, from Node B with from node C);
The node sending acknowledge message or receive the confirmation message other nodes according to acknowledge message, determine that the time that energy-conservation node enters power save mode mainly contains two class modes:
Mode one: explicit way: first the node (being the power back-off node S as host node in the present embodiment) sending acknowledge message determines the time entering power save mode, and carry temporal information corresponding to time of determining in the acknowledgement message, send the node of acknowledge message if the words of power back-off node, then on the time entering power save mode determined, carry out power back-off, the node sending acknowledge message if energy-conservation node, then enters power save mode on the time entering power save mode that this is determined;
The node receiving the confirmation message extracts the temporal information of carrying from acknowledge message, if the node receiving the confirmation message is power back-off node, then on the time that the temporal information extracted is corresponding, carries out covering compensate; If the node receiving the confirmation message is energy-conservation node, and enters power save mode on the time that this temporal information is corresponding;
Standard time corresponding to the temporal information in obvious acknowledge message should after current time (sending the time of acknowledge message) in predetermined amount of time, such as, assuming that current time is 18:00 on May 5th, 2000, the time that then this temporal information is corresponding is 18:05 on May 5th, 2000, can be arranged flexibly according to real network situation by administrative staff, the difference of the time that this temporal information is corresponding and current time is too short, after being then difficult to ensure experience time of expending of Internet Transmission, each energy-conservation node can at this moment between before have received acknowledge message; Certainly, the difference of the time that this temporal information is corresponding and current time is long (such as 5 hours), otherwise load state probably changes already, enters power save mode and also just loses meaning.
Mode two: implicit: the node (being the power back-off node S as host node in the present embodiment) sending acknowledge message does not carry temporal information in the acknowledgement message, the node sending acknowledge message or the node receiving the confirmation message determine to enter the rule of the time of power save mode according to what arrange with other nodes in advance according to the time sending or receive the confirmation message respectively, determine the time entering power save mode, and on this time, carry out covering compensation or enter power save mode.Such as, power back-off node and other energy-conservation nodes are made an appointment in the present embodiment: carry out covering after sending the amendment cycle of the predetermined quantity of node after sending this acknowledge message of acknowledge message and compensate, and enter power save mode after receiving the confirmation the amendment cycle of the predetermined quantity of node after receiving this acknowledge message of message simultaneously, or the scheduled time node of node after sending this acknowledge message (integral point after such as sending acknowledge message) of transmission acknowledge message carries out covering compensate, the scheduled time node of node after receiving this acknowledge message (integral point after such as receiving the confirmation message) simultaneously receiving the confirmation message enters power save mode, for example, the timing node of making an appointment be between integral point and integral point every the time point of 10 minutes, i.e. 8:00:00, 8:10:00, 8:20:00, 8:30:00, 8:40:00, 8:50:00, 9:00:00, ..., power back-off node S have sent acknowledge message at 8: 02, from node A, from Node B and from node C respectively at 8: 03, 8: 04, within 8: 05, have received acknowledge message, so host node S will carry out covering compensation at 8:10:00, simultaneously from node A, all power save mode is entered at 8:10:00 from Node B with from node C.
Step 406, from node A, from Node B with after receiving from node C the acknowledge message that host node S sends in step 404, determines according to this acknowledge message the time entering power save mode, and enter power save mode on the time that this is determined;
Step 407, host node S waits notice to sending from node A;
Step 408, keeps normal operating conditions from node A, the acknowledge message that host node described in wait-receiving mode is sent, judge to receive the confirmation message, or occur self not meeting the predetermined situation entering the condition of power save mode, if the message of receiving the confirmation, then enter step 406; If before receiving the confirmation message, occur self not meeting the predetermined situation entering the condition of power save mode, then entered step 409;
Step 409, what send the described request message for cancelling step 402 transmission from node A to described host node S cancels message;
Step 410, host node S receive in step 409 from node A send cancel message after, the request message that delete step 403 receives, cancel to described from node group each from node send acknowledge message.
Preferably, in a step 406, before entering power save mode from node A, send the Indication message for adjusting Signalling exchange mode to adjacent node D, so that advised nodes D self will enter power save mode, adjacent area will no longer be searched the signalings such as signaling and will be sent to from node A by such subsequent node D.
Embodiment two
Present embodiments provide a kind of network energy-saving scheme based on clustering architecture.Have at least one preassigned energy-conservation node in energy-conservation node group as cluster head node, play all energy-conservation node coordinated in this energy-conservation node group and enter power save mode simultaneously, power back-off node carries out covering the effect compensated simultaneously.
Please refer to shown in accompanying drawing 5, comprise node A, Node B and node C tri-energy-conservation nodes in energy-conservation node group, node C is as cluster head node.Node S is power back-off node.Node A, Node B, node C can be the node of the adjacent same wireless access module in overlay area.Node D is the node of the different radio access module adjacent with node A overlay area.
Please refer to accompanying drawing 6, is the flow chart of network energy-saving method in the embodiment of the present invention, and the whole flow process entering power save mode for Node A requests is here introduced network energy-saving method.
Step 601, node A monitors self whether to meet the predetermined condition entering power save mode, if enter step 602;
The predetermined condition entering power save mode includes but not limited to:
Load lower than predetermined threshold, or
Described power back-off node can bear this load from node, should can be determined that can power back-off node bear this load from node from node by heartbeat message regularly mutual between power back-off node.
Step 602, node A sends for asking the request message entering power save mode to cluster head node C;
Step 603, cluster head node C judges whether to allow to enter power save mode, if so, enters step 604, otherwise enter step 607 after receiving the request message that node A sends;
Here cluster head node C is when receiving the request message that node A sends, the energy-conservation node judging in energy-conservation node group is all in normal operating conditions, whether have received the request message that in energy-conservation node group, other all energy-conservation nodes (node A, Node B) are sent except self, if so, energy-conservation node group is allowed to enter power save mode; Otherwise, do not allow energy-conservation node group to enter power save mode.
Step 604, cluster head node C each other energy-conservation nodes (node A, Node B) and power back-off node S in energy-conservation node group send acknowledge message, enter step 605;
Step 605, according to the acknowledge message sent in step 604, cluster head node C determines that energy-conservation node enters the time of power save mode; Other energy-conservation nodes (energy-conservation node A and energy-conservation Node B) in energy-conservation node group according to receiving the confirmation message to determine the time entering power save mode, and enter power save mode on the time entering power save mode determined;
Specifically determine according to acknowledge message step 405 in the mode of the time entering power save mode and accompanying drawing 4 and step 406 similar, here no longer describe in detail.
Step 606, after power back-off node S receives the acknowledge message that cluster head node C sends in step 604, determine that energy-conservation node enters the time of power save mode, and transmitting power is strengthened on the time determined, covering is carried out to the former overlay area of each node in energy-conservation node group (node A, Node B and node C) and compensates;
By extracting time information from acknowledge message, power back-off node S can determine that energy-conservation node enters the time of power save mode; Or determine to enter the rule of the time of power save mode according to what make an appointment according to the time receiving the confirmation message, determine the time entering power save mode.
Step 607, cluster head node C waits notice to sending from node A;
Step 608, node A keeps normal operating conditions, cluster head node described in wait-receiving mode send acknowledge message time, judge to receive the confirmation message, or occur self not meeting the predetermined situation entering the condition of power save mode, if the message of receiving the confirmation, then enter step 605; If before receiving the confirmation message, occur self not meeting the predetermined situation entering the condition of power save mode, then entered step 609;
Step 609, node A sends to described cluster head node C and cancels message for what cancel described request message that step 602 sends;
Step 610, after what cluster head node C received that step 609 interior joint A sends cancel message, the request message that delete step 603 receives, cancels and sends acknowledge messages to other the energy-conservation nodes each in described energy-conservation node group.
Preferably, in step 605, before entering power save mode from node A, send the Indication message for adjusting Signalling exchange mode to adjacent node D, so that advised nodes D self will enter power save mode, adjacent area will no longer be searched the signalings such as signaling and will be sent to from node A by such subsequent node D.
In the network energy-saving scheme that the embodiment of the present invention provides, energy-conservation node self meet predetermined enter the condition of power save mode time, not directly enter power save mode as prior art, but to the power back-off node being in leading position or the request message of other energy-conservation nodes transmissions for asking to enter power save mode of specifying, before receiving the acknowledge message that power back-off node or other energy-conservation nodes of specifying send, keep normal operating conditions.After the request message that the power back-off node being in leading position or other energy-conservation nodes of specifying are sent respectively at all energy-conservation node received in energy-conservation node group, acknowledge message is sent to the energy-conservation node in energy-conservation node group, the time that energy-conservation node in the energy-conservation node group temporal information of carrying in the acknowledgement message is corresponding enters power save mode, the time that the power back-off node temporal information of carrying in the acknowledgement message is corresponding simultaneously carries out covering to the former coverage of each energy-conservation node in energy-conservation node group and compensates.Such scheme ensure that on the one hand energy-conservation node enters power save mode and power back-off node and carries out covering and compensate and occur simultaneously, and after entering power save mode to avoid energy-conservation node, the user communication quality in the former coverage of energy-conservation node is affected; On the other hand, ensure that the energy-conservation node in energy-conservation node group can enter power save mode simultaneously, instead of successively enter power save mode separately, thus the switching problem frequently avoiding appearance " cavity " on each former overlay area of energy-conservation node of energy-conservation node group and cause.
Embodiment three
Embodiment one provides a kind of network energy-saving scheme based on master-slave mode, embodiment two provide a kind of based on bunch network energy-saving scheme, all belong to stratified scheme.Present embodiments provide a kind of scheme without hierarchy.Each energy-conservation node in energy-conservation node group sends a request message to the energy-conservation node of other in group when self meeting the predetermined condition of power save mode that enters, if other nodes also meet the predetermined condition entering power save mode; feed back positive reply, otherwise feedback wait notice; If the energy-saving point sent a request message have received the positive reply of every other node feeding back in described energy-conservation node group, then determine that this energy-conservation node group can enter power save mode, send acknowledge message to other the energy-conservation nodes each in this energy-conservation node group and power back-off node; This energy-conservation node sent a request message and other energy-conservation nodes determine to enter the time of power save mode, and on the time determined, enter power save mode, power back-off node determines that energy-conservation node enters the time of power save mode, the time determined carries out covering and compensates.The program is appreciated that as to be dominated by arbitrary energy-conservation node in energy-saving point group.
Please refer to shown in accompanying drawing 7, in energy-conservation node group, comprise node A, Node B and node C tri-energy-conservation nodes.Node S is power back-off node.Node A, Node B, node C can be the node of the adjacent same wireless access module in overlay area.Node D is the node of the different radio access module adjacent with node A overlay area.
Detailed process please refer to shown in accompanying drawing 8.
Step 801, node A monitors self whether to meet the predetermined condition entering power save mode, self meet predetermined enter the condition of power save mode time enter step 802;
The predetermined condition entering power save mode includes but not limited to:
Load lower than predetermined threshold, or
Described power back-off node can bear this load from node, should can be determined that can power back-off node bear this load from node from node by heartbeat message regularly mutual between power back-off node.
Step 802, node A sends for asking the request message entering power save mode to other nodes (Node B and node C) in energy-conservation node group;
Step 803, other nodes (Node B and node C) in energy-conservation node group judge whether self also meets the predetermined condition entering power save mode respectively, if so, send positive reply to node A; Otherwise send to node A and wait notice;
Step 804, node A judges whether to allow to enter power save mode, if enter step 805, otherwise, work on, enter step 808;
Node A, when have received the positive reply of other node feeding back each in energy-conservation node group, allows to enter power save mode, otherwise does not allow to enter power save mode.
Step 805, node A is when have received the positive reply of other node feeding back each in energy-conservation node group, in energy-conservation node group, other energy-conservation nodes each (Node B, node C) and power back-off node S send acknowledge message, enter step 806;
Step 806, node A sends after acknowledge message, and after Node B and node C receive the confirmation message, determines the time entering power save mode, and enter power save mode according to this acknowledge message on the time determined;
Step 807, after power back-off node S receives the acknowledge message that node A sends in step 804, determine that energy-conservation node enters the time of power save mode, and transmitting power is strengthened on the time determined, covering is carried out to the former overlay area of each node in energy-conservation node group (node A, Node B and node C) and compensates;
Step 808, node A keeps normal operating conditions, judge to receive positive reply, or occur self not meeting the predetermined situation entering the condition of power save mode, if before reception positive reply, do not occur self not meeting the predetermined situation entering the condition of power save mode, so after receiving positive reply, enter step 804; If after sending a request message, occurred that own load does not meet the predetermined situation entering the condition of power save mode, then enter step 809;
Step 809, node A in energy-conservation node group other nodes (Node B and node C) send for cancel step 802 send described request message cancel message; Cancel and send acknowledge message to other the energy-conservation nodes each in described energy-conservation node group.
Accompanying drawing 8 only consults for node A introduction the process entering power save mode, and in fact, any one node in energy-conservation node group can perform above-mentioned flow process.
In order to reduce the message number transmitted in network, other nodes (Node B and node C) in above-mentioned steps 803 in energy-conservation node group only can send positive reply, when the load of self is not less than predetermined threshold (namely not meeting the condition entering power save mode), the energy-conservation node feeding back omitted to sending a request message waits notice.
Corresponding method embodiment one, the embodiment of the present invention additionally provides a kind of power back-off node device, and as shown in Figure 9, this device comprises the first receiving element 901, judging unit 902, first transmitting element 903, determining unit 904 and performance element 905, wherein:
First receiving element 901, for the request message for asking to enter power save mode that the energy-conservation node received in energy-conservation node group is sent, described energy-conservation node group comprises at least one energy-conservation node;
Judging unit 902, after receiving described request message, judges whether to allow described energy-conservation node group to enter power save mode for the first receiving element 901;
First transmitting element 903, during for judging to allow to enter power save mode at judging unit 902, sends acknowledge message to each energy-conservation node in described energy-conservation node group;
Determining unit 904, for sending single 903 yuan of acknowledge messages sent according to first, determines the time entering power save mode;
Performance element 905, the time for determining in determining unit 904 carries out covering to the former coverage of each energy-conservation node in described energy-conservation node group and compensates.
Preferably, the power back-off node device in accompanying drawing 9 also comprises:
Second transmitting element 906, for when described judging unit 902 is judged not allow to enter power save mode, sends to the energy-conservation node sending described request message and waits notice.
Preferably, the power back-off node device in accompanying drawing 9 also comprises:
Second receiving element 907, that sends for the energy-conservation node received in described energy-conservation node group cancels message;
Abort unit 908, for the second receiving element 907 before the first transmitting element 903 sends acknowledge message to each energy-conservation node in described energy-conservation node group receive cancel message time, stop cancellation first transmitting element 903 and send acknowledge message to each energy-conservation node in described energy-conservation node group.
Corresponding method embodiment one, the embodiment of the present invention additionally provides a kind of energy-saving point device, and as shown in Figure 10, this energy-saving point device comprises the first receiving element 101, determining unit 102 and performance element 103, wherein:
First receiving element 101, compensates node according to the corresponding acknowledge message sent of described request message for received power;
Determining unit 102, the acknowledge message for receiving according to the first receiving element 101 determines to enter the time of power save mode;
Performance element 103, enters power save mode for the time determined in determining unit 102.
Preferably, the energy-saving point device in accompanying drawing 10 also comprises:
Whether monitoring unit 104, meet the predetermined condition entering power save mode for monitoring described energy-saving point device;
First transmitting element 105, for monitor at monitoring unit 104 meet predetermined enter the condition of power save mode time, send for asking the request message entering power save mode to power back-off node;
The acknowledge message that described first receiving element 101 receives is that the request message that power back-off node sends according to the first transmitting element 105 is sent.
Preferably, the energy-saving point device in accompanying drawing 10 also comprises:
Second receiving element 106, that sends according to the described request message correspondence that the first transmitting element 105 sends for received power compensation node waits notice;
Described first receiving element 101 after the second receiving element 106 receives and waits notice, the acknowledge message that described in wait-receiving mode, power back-off node is sent.
Preferably, the energy-saving point device in accompanying drawing 10 also comprises:
Second transmitting element 107, for after the first transmitting element 105 sends described request message, monitoring unit 104 monitors and does not meet predetermined when entering the condition of power save mode, sends cancel message for what cancel described request message that the first transmitting element 105 sends to power back-off node.
Corresponding method embodiment two, the embodiment of the present invention additionally provides a kind of power back-off node device, and as shown in Figure 11, this power back-off node device comprises receiving element 111, determining unit 112 and performance element 113 to its structural representation, wherein:
Receiving element 111, for confirmation of receipt message;
Determining unit 112, the acknowledge message for receiving according to receiving element 111 determines the time entering power save mode;
Performance element 113, carries out covering to the former coverage of each energy-conservation node in predetermined energy-conservation node group and compensates on the time determined in determining unit 112.
Corresponding method embodiment two, the embodiment of the present invention additionally provides a kind of energy-saving point device playing cluster head effect, its structural representation as shown in Figure 12, this energy-saving point device comprises the first receiving element 121, judging unit 122, first transmitting element 123, determining unit 124 and performance element 125, wherein:
First receiving element 121, for receive described energy-saving point device place energy-conservation node group in the request message for asking to enter power save mode sent of other energy-conservation nodes;
Judging unit 122, after receiving described request message, judges whether to allow to enter power save mode for the first receiving element 121;
First transmitting element 123, during for judging to allow to enter power save mode at judging unit 122, sends acknowledge message to other the energy-conservation nodes each in energy-conservation node group and power back-off node;
Determining unit 124, for the acknowledge message sent according to the first transmitting element 123, determines the time entering power save mode;
Performance element 125, enters power save mode on the time determined in described determining unit 124.
Corresponding method embodiment three, the embodiment of the present invention additionally provides a kind of energy-saving point device, its structural representation as shown in Figure 13, this energy-saving point device comprises monitoring unit 131, first transmitting element 132, first receiving element 133, judging unit 134, second transmitting element 135, determining unit 136, performance element 137 and the 3rd transmitting element 138, wherein:
Whether monitoring unit 131, self meet the predetermined condition entering power save mode for monitoring;
First transmitting element 132, for monitor at monitoring unit 131 self meet predetermined enter the condition of power save mode time, send for asking the request message entering power save mode to other energy-saving point devices in the energy-saving point device group at this energy-saving point device place;
First receiving element 133, the positive reply that the described request message correspondence sent according to the first transmitting element 132 for receiving other energy-conservation nodes is sent, described positive reply be other energy-conservation nodes described after receiving request message, other energy-conservation nodes described meet predetermined enter the condition of power save mode time send;
Judging unit 134, for the positive reply received according to the first receiving element 133, judges whether to allow described energy-conservation node group to enter power save mode;
Second transmitting element 135, during for judging to allow to enter power save mode at judging unit 134, sends acknowledge message to other the energy-conservation nodes in described energy-conservation node group and power back-off node;
Determining unit 136, for the acknowledge message sent according to the second transmitting element 135, determines the time entering power save mode;
Performance element 137, enters power save mode on the time determined in determining unit 136;
3rd transmitting element 138, for after the request message sent at other the energy-conservation nodes received in same energy-conservation node group, self meet predetermined enter the condition of power save mode time, send positive reply.
One of ordinary skill in the art will appreciate that all or part of step realized in above-described embodiment method is that the hardware that can carry out instruction relevant by program has come, this program can be stored in a computer read/write memory medium, as: ROM/RAM, magnetic disc, CD etc.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (19)
1. a network energy-saving system, is characterized in that, comprises power back-off node and the energy-conservation node group comprising at least one energy-conservation node, wherein:
Energy-conservation node, for meet at self predetermined enter the condition of power save mode time, send for asking the request message entering power save mode to described power back-off node, and according to receiving acknowledge message that described power back-off node sends and determine to enter the time of power save mode, and enter power save mode in the time that this is determined;
Power back-off node, after receiving described request message that energy-conservation node sends, judging whether to allow energy-conservation node group to enter power save mode, when judging to allow energy-conservation node group to enter power save mode, sending acknowledge message to each energy-conservation node in described energy-conservation node group; And determine the time entering power save mode, and the time determined to described energy-conservation node group in the former coverage of each energy-conservation node carry out covering and compensate.
2. a network energy-saving method, is characterized in that, comprising:
Energy-conservation node group meet predetermined enter the condition of power save mode time, sending for asking the request message entering power save mode to power back-off node, allowing energy-conservation node group to enter power save mode to indicate described power back-off node to judge whether;
Energy-conservation node received power in described energy-conservation node group compensates the acknowledge message that node is sent, and wherein, described acknowledge message is that power back-off node is sent when determining allow energy-conservation node group to enter power save mode according to the request message that each energy-conservation node sends, and
The time entering power save mode is determined according to this acknowledge message;
The time that this is determined enters power save mode.
3. method as claimed in claim 2, is characterized in that, after described energy-conservation node sends a request message, and before receiving the acknowledge message that host node sends, also comprises:
What receive that described power back-off node sends waits notice, and
Receive that described power back-off node sends wait notice after, keep normal operating conditions, and the acknowledge message that described in wait-receiving mode, power back-off node is sent.
4. method as claimed in claim 2, is characterized in that, described energy-conservation node, after transmission described request message, also comprises:
Monitor and self whether meet the predetermined condition entering power save mode, and
Do not meet enter the condition of power save mode time, send to described power back-off node and cancel message for what cancel described request message.
5. method as claimed in claim 2, it is characterized in that, the described predetermined condition entering power save mode comprises:
The load of described energy-conservation node is lower than predetermined threshold; Or described power back-off node can bear the load of this energy-conservation node.
6. method as claimed in claim 2, it is characterized in that, described energy-conservation node determines according to this acknowledge message the time entering power save mode, specifically comprises:
Obtain the temporal information of carrying in described acknowledge message, and using the time corresponding for the temporal information of acquisition as the time entering power save mode; Or
According to the time receiving the confirmation message, the time utilizing the basis that energy-conservation node and power back-off node arranges with other in advance to receive the confirmation message determines to enter the rule of the time of power save mode, determines the time entering power save mode.
7. the method as described in claim arbitrary in claim 2 to 6, is characterized in that, described energy-conservation node also comprises after receiving the acknowledge message that described power back-off node sends:
The Indication message for adjusting Signalling exchange mode is sent to adjacent node.
8. a network energy-saving method, is characterized in that, comprising:
The power back-off node energy-conservation node received in energy-conservation node group send for ask to enter power save mode request message after, judge whether to allow described energy-conservation node group to enter power save mode, described energy-conservation node group comprises at least one energy-conservation node; And
When judging to allow described energy-conservation node group to enter power save mode, send acknowledge message to each energy-conservation node in described energy-conservation node group; And
Determine the time entering power save mode;
Described power back-off node carries out covering to the former coverage of each energy-conservation node in described energy-conservation node group and compensates on the time determined.
9. method as claimed in claim 8, is characterized in that, described power back-off node judges whether to allow described energy-conservation node group to enter power save mode, specifically comprises:
Described power back-off node determines whether to receive the request message for asking to enter power save mode that in described energy-conservation node group, all energy-conservation nodes are sent; And
When receiving the request message that all energy-conservation nodes are sent, determine to allow to enter power save mode; Otherwise,
Determine not allow to enter power save mode.
10. method as claimed in claim 9, it is characterized in that, described power back-off node also comprises after determining and not allowing to enter power save mode:
Send to the energy-conservation node sending described request message and wait notice.
11. methods as claimed in claim 8, is characterized in that, described power back-off node, before sending acknowledge message to each energy-conservation node in described energy-conservation node group, also comprises:
If what the energy-conservation node receiving transmission described request message was sent cancels message, then cancel and send acknowledge message to each energy-conservation node in described energy-conservation node group.
12. methods as claimed in claim 8, is characterized in that, described power back-off node sends acknowledge message to each energy-conservation node in described energy-conservation node group, determines the time entering power save mode, specifically comprises:
Described power back-off node determines the time entering power save mode; And
Carry temporal information corresponding to time of determining in the acknowledgement message, and
The acknowledge message of carrying temporal information is sent to each energy-conservation node in energy-conservation node group.
13. methods as claimed in claim 8, it is characterized in that, described power back-off node determines the time entering power save mode, specifically comprises:
According to the time sending described acknowledge message, utilize the rule of determining to enter the time of power save mode according to the time sending acknowledge message that energy-conservation node and power back-off node are arranged with other in advance, determine the time entering power save mode.
14. 1 kinds of power back-off node devices, is characterized in that, comprising:
First receiving element, for the request message for asking to enter power save mode that the energy-conservation node received in energy-conservation node group is sent, described energy-conservation node group comprises at least one energy-conservation node;
Judging unit, after receiving described request message, judges whether to allow described energy-conservation node group to enter power save mode for the first receiving element;
First transmitting element, during for judging at judging unit to allow to enter power save mode, sends acknowledge message to each energy-conservation node in described energy-conservation node group;
Determining unit, for the acknowledge message sent according to the first transmitting element, determines the time entering power save mode;
Performance element, the time for determining in determining unit carries out covering to the former coverage of each energy-conservation node in described energy-conservation node group and compensates.
15. node devices as claimed in claim 14, is characterized in that, also comprise:
Second transmitting element, during for judging not allow to enter power save mode at described judging unit, sending to the energy-conservation node sending described request message and waiting notice.
16. node devices as claimed in claim 14, is characterized in that, also comprise:
Second receiving element, that sends for the energy-conservation node received in described energy-conservation node group cancels message;
Abort unit, for the second receiving element before the first transmitting element sends acknowledge message to each energy-conservation node in described energy-conservation node group receive cancel message time, cancel the first transmitting element and send acknowledge message to each energy-conservation node in described energy-conservation node group.
17. 1 kinds of energy-saving point devices, is characterized in that, comprising:
Whether monitoring unit, meet the predetermined condition entering power save mode for monitoring described energy-saving point device;
First transmitting element, for monitor at monitoring unit meet predetermined enter the condition of power save mode time, sending for asking the request message entering power save mode to power back-off node, allowing energy-conservation node group to enter power save mode to indicate described power back-off node to judge whether;
First receiving element, compensate node according to the corresponding acknowledge message sent of request message for received power, wherein, described acknowledge message is that the request message that power back-off node sends according to the first transmitting element is sent;
Determining unit, the acknowledge message for receiving according to the first receiving element determines the time entering power save mode;
Performance element, enters power save mode for the time determined in determining unit.
18. energy-saving point devices as claimed in claim 17, is characterized in that, also comprise:
Second receiving element, that sends according to the described request message correspondence that the first transmitting element sends for received power compensation node waits notice;
Described first receiving element after the second receiving element receives and waits notice, the acknowledge message that described in wait-receiving mode, power back-off node is sent.
19. energy-saving point devices as claimed in claim 17, is characterized in that, also comprise:
Second transmitting element, for after the first transmitting element sends described request message, monitoring unit monitors and does not meet predetermined when entering the condition of power save mode, sends cancel message for what cancel described request message that the first transmitting element sends to power back-off node.
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| CN102917416A (en) * | 2012-10-22 | 2013-02-06 | 张家港市鸿嘉数字科技有限公司 | Energy-saving processing system of cell |
| CN104080155A (en) * | 2013-03-28 | 2014-10-01 | 电信科学技术研究院 | Cell energy-saving and energy-saving compensation methods and equipment |
| CN108289030B (en) * | 2017-01-09 | 2020-04-17 | 中国移动通信有限公司研究院 | Base station fault identification processing method and device |
| CN111405644B (en) * | 2020-03-07 | 2021-06-18 | 广州爱浦路网络技术有限公司 | Intelligent energy-saving network and energy-saving method for 5G communication network element under central control |
| CN111417180B (en) * | 2020-03-25 | 2023-06-16 | 沈欣颖 | Network scheduling method and device for energy-saving management of cooperative base station |
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