CN101194232A - Method and system for conserving battery power of mesh points in a mesh network - Google Patents

Method and system for conserving battery power of mesh points in a mesh network Download PDF

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CN101194232A
CN101194232A CNA2006800077454A CN200680007745A CN101194232A CN 101194232 A CN101194232 A CN 101194232A CN A2006800077454 A CNA2006800077454 A CN A2006800077454A CN 200680007745 A CN200680007745 A CN 200680007745A CN 101194232 A CN101194232 A CN 101194232A
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mesh point
power
mesh
battery
point
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乔瑟夫·A·关
玛里恩·鲁道夫
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InterDigital Technology Corp
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    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
    • H04L43/0805—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability
    • H04L43/0817—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability by checking functioning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K29/00—Combinations of writing implements with other articles
    • B43K29/20—Combinations of writing implements with other articles with other articles having storage compartments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/14—Disinfection, sterilisation or deodorisation of air using sprayed or atomised substances including air-liquid contact processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K23/00—Holders or connectors for writing implements; Means for protecting the writing-points
    • B43K23/08—Protecting means, e.g. caps
    • B43K23/12—Protecting means, e.g. caps for pens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K7/00—Ball-point pens
    • B43K7/005—Pen barrels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C3/00—Processes, not specifically provided for elsewhere, for producing ornamental structures
    • B44C3/06—Sculpturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C5/00—Processes for producing special ornamental bodies
    • B44C5/02—Mountings for pictures; Mountings of horns on plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/38—Details of the container body
    • B65D83/384—Details of the container body comprising an aerosol container disposed in an outer shell or in an external container
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/12—Arrangements for remote connection or disconnection of substations or of equipment thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
    • H04W40/04—Communication route or path selection, e.g. power-based or shortest path routing based on wireless node resources
    • H04W40/10—Communication route or path selection, e.g. power-based or shortest path routing based on wireless node resources based on available power or energy
    • 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
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
    • H04W52/0274—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof
    • H04W52/0277—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof according to available power supply, e.g. switching off when a low battery condition is detected
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]
    • 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

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Abstract

A method and system for conserving power of battery-powered mesh points (MPs) in a mesh network are disclosed. In one embodiment, a centralized controller is provided in the mesh network. Each of the MPs signal information associated with conserving MP battery power and provide indications of battery power levels associated with the respective MPs to the centralized controller. The centralized controller optimizes the configuration of the mesh network based on the signaling information for conserving MP battery power and the battery power level indications. In an alternate embodiment, each of the MPs individually monitor traffic flowing through the respective MP and a level of battery power associated with the respective MP. Each of the MPs determine whether to activate a power saving function associated with the respective MP and signal information associated with conserving MP battery power to neighboring MPs in the mesh network.

Description

Preserve mesh point power of battery method and system in the mesh network
Technical field
The relevant a kind of based on wireless mesh network of the present invention, and this based on wireless mesh network has a plurality of mesh point of utilizing battery that power is provided (MP).Particularly, the present invention is relevant a kind of method and system, and this method and system are to implement the power save function to preserve the power of battery.
Background technology
Known, many methods develop out, so as to saving the power of battery of cell wireless telecommunication system assembly.For instance, a kind of typical method of preserving the power of battery is to utilize low duty cycle (duty-cycle) the background monitoring of idle mode (idle mode) so that paging channel to be provided.Yet WLAN (WLAN) device on IEEE 802.11 bases but can't be preserved the power of battery effectively.This is the basic design principle of leading because of the radio multiple access method of selecting in WLAN (WLAN) device, particularly is relevant to the receiving mode operation.
Generally speaking, the realtime power consumption during the transmission mode is the realtime power consumption that is higher than during the receiving mode.Yet, receiving mode is the whole determinative of the long-term power consumption of WLAN (WLAN) device, because it is to listen to whole input packages that the diffused integration function (DCF) or the distributed channel of strengthening insert WLAN (WLAN) device on (EDCA) basis, the destination of no matter importing package why.In receiving mode operating period, whether WLAN (WLAN) assembly monitor signal is present in channel.If measure signal, then WLAN (WLAN) device is preface (preamble) and the header (header) that trial and error decoding receives data packet.If receive the destination-address of data packet is the address that is matched with WLAN (WLAN) device, and then WLAN (WLAN) device is that decoding receives data packet.Otherwise WLAN (WLAN) device is to abandon the reception data packet.
In the part situation (such as: in military affairs and/or emergency condition), WLAN (WLAN) device needs deployment to utilize battery that the mesh point (MP) and the netted access point (MAP) of power are provided.In this case, we need provide a kind of method and system, and, the mesh point (MP) that this method and system are guaranteed to utilize battery that power is provided and the long battery life and the power efficient operation of netted access point (MAP).
Summary of the invention
The present invention is a kind of method and system, and this method and system are to implement to utilize in the mesh network battery to provide the power of battery of the mesh point (MP) of power to preserve.In a kind of preferred embodiment, mesh network provides central controller.Each mesh point (MP) sends the connection information of preserving mesh point (MP) power of battery and provides the connection battery power level of each mesh point (MP) to indicate to central controller.Central controller is based on the transmission information and the battery power level indication of preserving mesh point (MP) power of battery, so as to the configuration of optimization mesh network.In another kind of preferred embodiment, each mesh point (MP) be individually monitoring flow through the flow of each mesh point (MP) and the connection battery power level of indivedual mesh point (MP).Each mesh point (MP) is the connection power save function that determines whether to activate each nexus (MP), and send the connection information of preserving mesh point (MP) power of battery adjacent web point (MP) to mesh network.
Description of drawings
More accurate understanding of the present invention is the detailed description (for instance) that can cooperate preferred embodiment, and as follows with reference to appended graphic further explaination, wherein:
Fig. 1 is that expression is according to a kind of based on wireless mesh network of the present invention;
Fig. 2 is expression, and in based on wireless mesh network shown in Figure 1, a kind of mesh point (MP) power of battery of central controller of utilizing is saved the process flow diagram of program;
Fig. 3 is expression, and in based on wireless mesh network shown in Figure 1, another kind need not to utilize mesh point (MP) power of battery of central controller to save the process flow diagram of program;
Fig. 4 is expression, in based on wireless mesh network shown in Figure 1, and a kind of calcspar of example central controller; And
Fig. 5 is expression, in based on wireless mesh network shown in Figure 1, and the calcspar of a kind of example mesh point (MP).
Embodiment
In instructions of the present invention, term " wireless transmission/receive unit (WTRU) " including, but not limited to subscriber equipment (UE), mobile workstation, fixing or moving user unit, beeper, maybe can operate in any other types of devices of radio environment.
The present invention can be applicable to the based on wireless mesh network of any kind, and the based on wireless mesh network of any kind is including, but not limited to IEEE 802.11X, IEEE 802.15, BluetoothTM, HIPERLAN/2 or suchlike based on wireless mesh network.
Each feature of the present invention can be integrated in single IC for both (IC), and perhaps, each feature of the present invention is the circuit that can be configured to have a plurality of interconnecting assemblies.
Fig. 1 is that expression is according to a kind of based on wireless mesh network 100 of the present invention.This based on wireless mesh network 100 comprises: a plurality of mesh point (MP) 102, a plurality of netted access point (AP) 104, mesh portal 106, and a plurality of wireless transmission/receive units (WTRU) 108.Mesh point (MP) the 102nd is embodied as passing on substantially and via node of this based on wireless mesh network 100.Mesh point (MP) 102 receives the flow of input binding and flow is passed in the output binding.Netted access point (AP) 104 also is a kind of mesh point (MP) 102, and, this mesh point (MP) 102 has the interface so that the wireless access of wireless transmission/receive unit (WTRU) 108 to be provided, and then WLAN (WLAN) service of specific geographical area is provided.Wireless transmission/receive unit (WTRU) the 108th, by netted access point (AP) 104 and mesh portal 106, so as to this based on wireless mesh network 100 or backbone network 110 (such as: another wireless transmission/receive unit (WTRU) world-wide web) carries out communication.
Generally speaking, wireless transmission/receive unit (WTRU) 108 can't be learnt the existence of this based on wireless mesh network 100.Netted access point (AP) the 104th by mesh point at intermittence (MP) 102 relay traffic, transfers to another netted access point (AP) 104 or nettedly goes into 106 so as to the flow that wireless transmission/receive unit (WTRU) 108 is produced.Nettedly go into 106 connections that provide this based on wireless mesh network 100 to lead to backbone network 110.Hence one can see that, and mesh portal 106 is to be embodied as a kind of mesh point (MP), and this mesh point (MP) is to have particular interface to connect backbone network 110.
Mesh point (MP) 102, netted access point (AP) 104, and netted to go into 106 be to utilize battery that the device of power is provided.The invention provides a kind of method and system, and this method and system are to implement to utilize battery that the power of battery saving of the device of power is provided.In instructions of the present invention, term " mesh point (MP) " and label 102 be to represent mesh point (MP) 102, netted access point (AP) 104, and mesh portal 106 in order to the venue.
Fig. 2 is expression, and according to a kind of preferred embodiment of the present invention, the power of battery of a kind of mesh point of based on wireless mesh network 100 (MP) 102 is saved the process flow diagram of program 200.According to this preferred embodiment, this based on wireless mesh network 100 provides central controller 120.Central controller 120 can be arranged at other position of this based on wireless mesh network 100.For instance, central controller 120 can be arranged at mesh portal 106, as shown in Figure 1.Central controller 120 is controlled and is assigned whole connections of the power save of whole mesh point (MP) 102 to set (routed path, frequency or suchlike setting for instance).Mesh point (MP) the 102nd, what be subjected to central controller 120 reaches exclusive control fully.
In step 202, at least one mesh point (MP) 102 transmitted powers of this based on wireless mesh network 100 are saved the connection message of function to central controller 120.The power save feature that the connection information of power save function comprises that power source, power save ability, power save require, mesh point (MP) 102 is implemented and want the power save action one of at least.In step 204, mesh point (MP) the 102nd periodically, or when utilizing central controller 120 polls, provides battery power level to indicate to central controller 120.The preferably, the connection information of power save function and battery power level indication are to utilize the second layer (L2) or the 3rd layer (L3) to send message to be transmitted, whereby, central controller 120 can be discerned mesh point (MP) 102 and implement the requirement that the power of battery is saved.
The preferably, the indication of the connection information of power save function and battery power level can be included in medium Access Control (MAC) layer message (such as: connection, checking or detect require message) capable field.In addition, the connection information of power save function and battery power level indication also can be included in the information assembly (IE) of the second layer (L2) or the 3rd layer (L3) transmission message, and the second layer (L2) or the 3rd layer (L3) send any data, control or the administration message that message can be included in exchange optionally or periodical exchange.
Please refer to Fig. 2 and Fig. 4, central controller 120 comprises monitoring unit 122 and power save controller 124.The monitoring unit 122 monitoring radio environment of central controller 120, the flow of this based on wireless mesh network 100, and one of at least (step 206) of the remaining power power level of mesh point (MP) 102.The power save controller 124 of central controller 120 is decisions, with respect to the flow of radio environment, this based on wireless mesh network 100, and the remaining power power level of mesh point (MP) 102 one of at least for, whether reach the predetermined critical (step 208) of particular mesh point (MP) 102 connections.Predetermined critical as if particular mesh point (MP) 102 connections is to reach, and then the power save controller 124 of central controller 120 is ordered particular mesh point (MP) 102 ingoing power save modes, also configuration simultaneously remains the power save parameter (step 210) of mesh point (MP) 102.The mesh point of power save mode (MP) the 102nd enters dysnystaxis state (doze state) and revives in the customized configuration recovery time, so as to listening to beacon and checking whether central controller 120 issues call to remove the power save mode of mesh point (MP) 102.
The power save controller 124 of central controller 120 is assigned the parameter of the power save mode that influences mesh point (MP) 102, and, during power save mode, the action of mesh point (MP) 102 is the parameter control by the power save mode that influences mesh point (MP) 102.
The power save parameter is to be configured, so as to the frequency channels of control mesh point (MP) 102 operations.Mesh point (MP) 102 can utilize multiple radio to operate.In this case, a more than frequency channels can be transmitted and receive to mesh point (MP) 102 simultaneously.For instance, mesh point (MP) 102 can be utilized has IEEE 802.11G radio and the wireless dual radio of IEEE 802.11A to carry out post-tensioning (backhaul), perhaps, mesh point (MP) 102 also can utilize single IEEE 802.11G radio to carry out set of basic (BSS) and two IEEE 802.11A radio to carry out post-tensioning (backhaul).
The enforcement of power save function is passable, during power save mode, utilizes the selectively unlocking of at least one frequency channels or closes.Mesh point (MP) 102 can have the absolute coding code translator of each frequency channels, and perhaps, some part of coder-decoder can provide the multiple frequency channel to share.No matter in the sort of situation, by closing all or part of of coder-decoder, power of battery saving all can reach.In the non-power save mode, whole frequency channels can be transmitted and be received in to mesh point (MP) 102, with respect to this, in power save mode, the subclass (that is to say, be less than the actual whole frequency channels of allowing of radio frequency (RF) hardware) of whole frequency channels only can be transmitted and be received in to mesh point (MP) 102.Central controller 120 can specify certain frequency channel to cut out.
In addition, the enforcement of power save function can utilize the time coordination of mesh point (MP) 102.The power save controller 124 of central controller 120 is to set up, by this based on wireless mesh network, when receive data in specific binding and when transmit data at interval (central controller 120 be to set up the active of mesh point (MP) 102 during and between predormitum) during the scheduled services of specific binding.Between the predormitum of scheduling, all mesh point (MP) 102 is closed power, and, transmit without any data traffic.Central controller 120 is choice relations of considering the relay well of the ability of this based on wireless mesh network 100 and flow, the radio during being adjusted to the radio between predormitum initiatively so as to utilizing elastic type.
In a kind of preferred embodiment, each mesh point (MP) the 102nd is provided with the individual service time durations.Thus, central controller 120 is viability to be set to indivedual mesh point (MP) 102 and coordinate the viability of 102 of whole power save mesh point (MP) of this based on wireless mesh network 100.For instance, " coordination " during the individual service is to utilize three mesh point (MP) 102 that connect each other to be implemented, wherein, first mesh point (MP) 102 only can be transmitted in 0 to 100ms and dormancy in 100 to 1000ms; Second mesh point (MP) 102 only can be received in 0 to 100ms, be transmitted in 100 to 200ms and dormancy in 200 to 1000ms; And the 3rd mesh point (MP) 102 only can be received in 100 to 200ms and dormancy in 0 to 100ms and 200 to 1000ms.This program is (to that is to say, 1000ms) repeat once every a second.
Central controller 120 can be according to the power save demand of mesh point (MP) with set algorithm, and then decision is by the routed path and the connection of this based on wireless mesh network 100.Central controller 120 assigns routed paths and the data packet by this based on wireless mesh network 100 to pass on pattern, so as to mesh point (MP) number of the power save mode that minimizes the routed path connection.The mesh point (MP) that is not included in routed path can enter dysnystaxis state (doze state), and during dysnystaxis state (doze state), mesh point (MP) is only revived to check the change of configuration routed path.Central controller 120 can be considered the battery power level indication of mesh point (MP) 102, and then the decision routed path.
Central controller 120 can be ordered mesh point (MP) 102 aggregate data packages and utilize identical traffic chance transmission data packet between power save mode.This method is the effective reception and the transmission work period of reducing input data streaming and output data crossfire, and then reaches power of battery saving.Mesh point (MP) the 102nd, temporary transient store the input data packet in impact damper (rather than when mesh point (MP) 102 is received the input data packet, pass on input data packet) at every turn, and send the aggregate data package of (burst out) impact damper simultaneously to maximize the specific utilization that transmission opportunity is set.This method is the competition number of maximization medium access and keeps radio frequency (RF) reception and transmission time in low grade.Central controller 120 is to consider delay and need internal memory, so as to setup parameter.This method can be applied to real-time traffic and non-real-time traffic simultaneously.
In another kind of preferred embodiment, the present invention can be implemented on dispersion pattern.Fig. 3 is expression, and according to another kind of preferred embodiment of the present invention, a kind of power of battery of the mesh point (MP) 100 that need not to utilize central controller is saved the process flow diagram of program 300.Mesh point (MP) 102 is based on radio environment, perceived flux, expection requirement, battery power level or suchlike observation, so as to decide in its sole discretion whole power save parameters (such as but be not limited to: the frequency channels of utilization, viability interval, routed path, and the gathering of data packet).Mesh point (MP) the 102nd, autonomous fully, and the ingoing power save mode is based on the decision of indivedual mesh point (MP) 102.
Please refer to Fig. 3 and Fig. 5, mesh point (MP) 102 comprises monitoring unit 502 and power save controller 504.The flow of the monitoring unit 502 monitoring radio environment of each mesh point (MP) 102, process mesh point (MP) 102 (that is to say, flow quantity and characteristic (for instance, in real time and non real-time)), and the remaining power power level of mesh point (MP) 102 one of at least, and the monitoring unit 502 of central controller 120 is followed the trail of flow history and is expected recent flow (step 302).
The power save controller 504 of mesh point (MP) 102 is control mesh point (MP) 102 actions during power save mode.The power save controller 504 of mesh point (MP) 102 is decisions, with respect to radio environment, through mesh point (MP) 102 flow, and the remaining power power level of mesh point (MP) 102 one of at least for, whether reach the predetermined critical (step 304) of particular mesh point (MP) 102 connections.
If the predetermined critical of particular mesh point (MP) 102 connections is to reach (for instance, be lower than the flow of particular level or reach the battery power level of particular level), then the power save controller 504 of particular mesh point (MP) 102 is that (for example by broadcasting one vacant data frames) triggers power save mode (step 306) after adjacent web point (MP) is informed in the triggering of power save mode.
During power save mode, mesh point (MP) the 102nd is implemented single or multiple method to reach power save, and is described such as preceding a kind of preferred embodiment of instructions of the present invention.At least one frequency channels can optionally be opened and close to mesh point (MP) the 102nd, so as to reaching power of battery saving.The viability that mesh point (MP) 102 can be agreed according to mesh point (MP) 102 is at interval to enter dysnystaxis state (doze state), and the viability that mesh point (MP) 102 is agreed is to specify the sequential that enters dysnystaxis state (doze state) and revive at interval.Mesh point (MP) the 102nd can determine routed path, so as to mesh point (MP) number that minimizes the power save mode that is included in routed path.Mesh point (MP) 102 can temporarily store the input data packet in impact damper, and send the aggregate data package of (burst out) impact damper simultaneously to maximize the utilization of given transmission opportunity.
Mesh point (MP) 102 can negotiate with adjacent web point (MP), so as to obtain operation change (such as: interval during operating frequency channel, the scheduled services, routed path, and the gathering of data on flows), perhaps, so as to direct declaration operation change.
It should be noted that though the present invention utilizes the second layer (L2) and the 3rd layer (L3) transmission message to be described in detail, yet the present invention also can be implemented on the transmission message of any International Standards Organization (ISO) communication model layer.For instance, such as WAP configuration and provide (CAPWAP) to require the communications protocol of annotations and comments (RFC) also can message be sent in user data communications protocol/Internet Protocol (UDP/IP) (that is to say layer 5 (L5)).In addition, Simple Network Management Protocol (SNMP) or utilize the transmission message of the application layer of proprietary management software or firmware also can implement.
Embodiment
One kind in a mesh network in order to preserve the method for mesh point (MP) power of battery, this mesh network has a mesh point and the central controller that a plurality of batteries provide power, this method comprises the following steps:
(a) these mesh point send the connection information of the preservation mesh point power of battery to this central controller or equal mesh point;
(b) these mesh point provide the battery power level indication of indivedual mesh point connections to this central controller or equal mesh point; And
(c) this central controller or these mesh point are based on these connection information and the indication of these battery power levels of preserving the mesh point power of battery, with the configuration of this mesh network of optimization.
2. as embodiment 1 described method, also comprise the following steps:
(d) this central controller activates a power save function of at least one these mesh point.
3. as embodiment 1 described method, also comprise the following steps:
This central controller is to coordinate these mesh point to operate in a power save mode in predetermined time period.
4. as embodiment 1 described method, wherein, this central controller is that order does not utilize mesh point to activate a power save function.
5. as embodiment 1 described method, wherein, this central controller is arranged at a mesh portal that connects a backbone network.
6. as embodiment 5 described methods, wherein, this backbone network is a world-wide web.
7. as embodiment 1 described method, wherein, this central controller is that this mesh network of configuration is to minimize the mesh point number of the one power save function of un-activation still.
8. as embodiment 2 described methods, wherein, the power save function that is activated is based on one-period property basis and removes, and makes this mesh point can listen to netted beacon, whether wants to assign at least one these mesh point to one routed path to determine this central controller or an equal mesh point.
9. as embodiment 1 described method, also comprise the following steps:
(d) at least one these mesh point another mesh point that is the connection information of send preserving the mesh point power of battery to this mesh network.
10. as embodiment 9 described methods, wherein, the connection information that is sent to this another mesh point is that the power save action is wanted in indication one.
11., wherein, be sent to the packets of information purse rope shape point dysnystaxis/wake-up period time sequence information of this another mesh point as embodiment 9 described methods.
12. as embodiment 1 described method, wherein, the power save feature of comprise power source, a power save ability, a power save demand with the connection information of preserving the mesh point power of battery, implementing by this mesh point and want power save move at least one of them.
13. as embodiment 1 described method, wherein, the connection information of preserving the mesh point power of battery is to send message by the second layer (L2) or the 3rd layer (L3) to transmit.
14. as embodiment 1 described method, wherein, the connection information of preserving the mesh point power of battery is included in a capable field of medium Access Control (MAC) header.
15. as embodiment 1 described method, wherein, the connection information of preserving the mesh point power of battery is to require and transmitted corresponding to one of this central controller.
16. as embodiment 1 described method, wherein, the connection information of preserving the mesh point power of battery is based on one-period property basis and is sent to this central controller from these mesh point.
17. as embodiment 1 described method, wherein, at least one these mesh point is to be configured, with in two frequency channels operations but close at least one frequency channels to preserve the power of battery.
18. as embodiment 1 described method, wherein, at least one these mesh point be according to a seeervice cycle at interval entering a dysnystaxis state (doze state), and then preserve the power of battery.
19. as embodiment 18 described methods, wherein, this seeervice cycle is to negotiate in this mesh point and this central controller at interval.
20. one kind in a mesh network in order to preserve the method for mesh point (MP) power of battery, this mesh network has the mesh point that a plurality of batteries provide power, this method comprises the following steps:
(a) each these mesh point is to monitor respectively through the flow of mesh point separately and a connection battery power level of mesh point separately;
(b) whether each these mesh point decision activates and this electricity saving function of mesh point connection separately; And
(c) each these mesh point is to send the adjacent web point of the connection information of the preservation mesh point power of battery to this mesh network.
21. as embodiment 20 described methods, wherein, the connection information of preserving the mesh point power of battery is to send message and transmitted from the second layer (L2) or the 3rd layer (L3).
22. as embodiment 20 described methods, wherein, the connection information of preserving the mesh point power of battery is included in a capable field of medium Access Control (MAC) header.
23. a power efficiency mesh network, it comprises:
(a) a plurality of batteries provide the mesh point of power; And
(b) central controller, in order to preserve the power of battery of these mesh point, wherein, these mesh point are that the battery power level indication of send preserving the connection information of the mesh point power of battery and mesh point connection separately being provided is to this central controller, and, this central controller is based on these connection information and the indication of these battery power levels of preserving the mesh point power of battery, with the configuration of this mesh network of optimization.
24. as embodiment 23 described mesh networks, wherein, this central controller is a power save function that activates at least one these mesh point.
25. as embodiment 23 described mesh networks, wherein, this central controller is to coordinate these mesh point to operate in a power save mode in predetermined time period.
26. as embodiment 23 described mesh networks, wherein, the mesh point that this central controller order does not utilize is to activate a power save function.
27., also comprise as embodiment 23 described mesh networks:
One mesh portal, this central controller are to be incorporated into this mesh portal, and wherein, this mesh network provides wireless transmission/receive unit (WTRU) to insert a backbone network by this mesh portal.
28. as embodiment 27 described mesh networks, wherein, this backbone network is a world-wide web.
29. as embodiment 23 described mesh networks, wherein, this central controller is that this mesh network of configuration is to minimize the mesh point number of the one power save function of un-activation still.
30. as embodiment 24 described mesh networks, wherein, this power save function that is activated is based on one-period property basis and removes, and makes this mesh point can listen to netted beacon, and then determines whether this central controller wants to assign this mesh point to one routed path.
31. as embodiment 23 described mesh networks, wherein, at least one these mesh point is to send the connection information of the preservation mesh point power of battery another mesh point to this mesh network.
32. as embodiment 31 described mesh networks, wherein, the information that is sent to this another mesh point is that the power save action is wanted in indication one.
33., wherein, be sent to the packets of information purse rope shape point dysnystaxis/wake-up period time sequence information of this another mesh point as embodiment 31 described mesh networks.
34. as embodiment 23 described mesh networks, wherein, the connection information of preserving the mesh point power of battery comprise power source, a power save ability, a power save demand, utilize the power save feature that at least one these mesh point implements and want that power save moves at least one of them.
35. as embodiment 23 described mesh networks, wherein, the information of preserving the mesh point power of battery is to send message and transmitted by the second layer (L2) or the 3rd layer (L3).
36. as embodiment 23 described mesh networks, wherein, the information of preserving the mesh point power of battery is included in a capable field of medium Access Control (MAC) header.
37. as embodiment 23 described mesh networks, wherein, the information of preserving the mesh point power of battery is to require and transmitted corresponding to one of this central controller.
38. as embodiment 23 described mesh networks, wherein, the information of preserving the mesh point power of battery is based on one-period property basis and is sent to this central controller from these mesh point.
39. as embodiment 23 described mesh networks, wherein, at least one these mesh point are to be configured, with operation in two frequency channels but close at least one frequency channels to preserve the power of battery.
40. as embodiment 23 described mesh networks, wherein, at least one these mesh point be according to the seeervice cycle at interval entering a dysnystaxis state (doze state), and then preserve the power of battery.
41. as embodiment 40 described mesh networks, wherein, this seeervice cycle is to negotiate between this mesh point and this central controller at interval.
42. in having the power efficiency mesh network of a plurality of mesh point of utilizing battery that power is provided (MP) with routing traffic, each mesh point comprises:
(a) monitoring unit is in order to the flow of each mesh point of monitoring process and a battery power level of each mesh point connection; And
(b) a power save controller, wherein, whether mesh point decision out of the ordinary activates the power save function controlled by this power save controller, and sends the connection information of preserving the mesh point power of battery adjacent web point to this mesh network.
43. as embodiment 42 described mesh point, wherein, the connection information of preserving mesh point (MP) power of battery is to send message and transmitted by the second layer (L2) or the 3rd layer (L3).
44. as embodiment 42 described mesh point, wherein, the connection information of preserving the mesh point power of battery is included in a capable field of a medium Access Control header.
45. in having the power efficiency mesh network of a plurality of mesh point of utilizing battery that power is provided (MP) with routing traffic, each mesh point comprises an integrated circuit (IC), and this integrated circuit comprises:
(a) monitoring unit is in order to the flow of monitoring process mesh point out of the ordinary and a battery power level of mesh point out of the ordinary connection; And
(b) a power save controller, wherein, whether the decision of each mesh point activates the power save function controlled by this power save controller, and sends the connection information of preserving the mesh point power of battery adjacent web point to this mesh network.
46. as embodiment 45 described integrated circuit, wherein, the connection information of preserving the mesh point power of battery is to send message and transmitted by the second layer (L2) or the 3rd layer (L3).
47. as embodiment 45 described integrated circuit, wherein, the connection information of preserving the mesh point power of battery is included in a capable field of medium Access Control (MAC) header.
48. a mesh point is applicable to have a plurality of power efficiency mesh networks that utilize the mesh point that battery provides power, in order to preserve the power of battery, this kind mesh point comprises:
One monitoring unit, power demand and the remaining power power of this monitoring unit in order to monitor this mesh point; And
One power save controller, when surpassing a predetermined critical as if these power requirements, this power save controller is in order to trigger a power save mode.
49. as embodiment 48 described mesh point, wherein, this predetermined critical is based on this remaining power power.
50. as embodiment 48 described mesh point, wherein, these power demands comprise radio environment and through in the flow of this mesh point at least one of them.
51. as embodiment 48 described mesh point, wherein, this monitoring unit is also in order to store flow history and to expect recent flow.
52. as embodiment 51 described mesh point, wherein, these power demands comprise the recent flow of expection.
53., wherein, trigger a power save mode and comprise the following steps: the adjacent web point is informed in the triggering of this power save mode as embodiment 48 described mesh point.
54. as embodiment 53 described mesh point, wherein, this mesh point is by transmitting vacant data frames to a broadcast address the triggering of this power save mode is informed this adjacent web point, wherein, the power position of the frame of this vacant data frames control header is set.
55. as embodiment 48 described mesh point, wherein, this power save controller is also in order to trigger an aggressive mode, to listen to beacon in a schedule time.
56. as embodiment 55 described mesh point, wherein, this mesh point is kept this aggressive mode, finishes up to a seeervice cycle.
57. as Shen embodiment 48 described mesh point, wherein, when this mesh point had flow to transmit, this power save controller was also in order to trigger an aggressive mode.
Though each feature of the present invention and assembly are to utilize the particular combinations of preferred embodiment to describe in detail as above, yet, each feature and the assembly of preferred embodiment of the present invention also can utilize separately, and do not need the further feature and the assembly of preferred embodiment of the present invention, perhaps, each feature of preferred embodiment of the present invention and assembly also can constitute other combination, and do not need the further feature and the assembly of preferred embodiment of the present invention.

Claims (57)

  1. One kind in a mesh network in order to preserve the method for mesh point (MP) power of battery, this mesh network has a mesh point and the central controller that a plurality of batteries provide power, this method comprises the following steps:
    (a) these mesh point send the connection information of the preservation mesh point power of battery to this central controller or equal mesh point;
    (b) these mesh point provide the battery power level indication of indivedual mesh point connections to this central controller or equal mesh point; And
    (c) this central controller or these mesh point are based on these connection information and the indication of these battery power levels of preserving the mesh point power of battery, with the configuration of this mesh network of optimization.
  2. 2. method according to claim 1 is characterized in that also comprising the following steps:
    (d) this central controller activates a power save function of at least one these mesh point.
  3. 3. method according to claim 1 is characterized in that also comprising the following steps:
    (d) this central controller is coordinated these mesh point to operate in a power save mode in predetermined time period.
  4. 4. method according to claim 1 is characterized in that, this central controller order does not utilize mesh point to activate a power save function.
  5. 5. method according to claim 1 is characterized in that, this central controller is to be arranged at a mesh portal that connects a backbone network.
  6. 6. method according to claim 5 is characterized in that this backbone network is a world-wide web.
  7. 7. method according to claim 1 is characterized in that, this central controller is that this mesh network of configuration is to minimize the mesh point number of the one power save function of un-activation still.
  8. 8. method according to claim 2, it is characterized in that, the power save function that is activated is based on one-period property basis and removes, make this mesh point can listen to netted beacon, whether want to assign at least one these mesh point to one routed path to determine this central controller or an equal mesh point.
  9. 9. method according to claim 1 is characterized in that also comprising the following steps:
    (d) at least one these mesh point another mesh point that is the connection information of send preserving the mesh point power of battery to this mesh network.
  10. 10. method according to claim 9 is characterized in that, the connection information that is sent to this another mesh point is that the power save action is wanted in indication one.
  11. 11. method according to claim 9 is characterized in that, is sent to the packets of information purse rope shape point dysnystaxis/wake-up period time sequence information of this another mesh point.
  12. 12. method according to claim 1, it is characterized in that, the power save feature of comprise power source, a power save ability, a power save demand with the connection information of preserving the mesh point power of battery, implementing by this mesh point and want power save move at least one of them.
  13. 13. method according to claim 1 is characterized in that, the connection information of preserving the mesh point power of battery is to transmit by the second layer or the 3rd layer of transmission message.
  14. 14. method according to claim 1 is characterized in that, the connection information of preserving the mesh point power of battery is included in a capable field of medium Access Control (MAC) header.
  15. 15. method according to claim 1 is characterized in that, the connection information of preserving the mesh point power of battery is to require and transmitted corresponding to one of this central controller.
  16. 16. method according to claim 1 is characterized in that, the connection information of preserving the mesh point power of battery is based on one-period property basis and is sent to this central controller from these mesh point.
  17. 17. method according to claim 1 is characterized in that, at least one these mesh point is configured, with in two frequency channels operations but close at least one frequency channels to preserve the power of battery.
  18. 18. method according to claim 1 is characterized in that, at least one these mesh point be according to a seeervice cycle at interval entering a dysnystaxis state, and then preserve the power of battery.
  19. 19. method according to claim 18 is characterized in that, this seeervice cycle is to negotiate in this mesh point and this central controller at interval.
  20. 20. one kind in a mesh network in order to preserve the method for the mesh point power of battery, this mesh network has the mesh point that a plurality of batteries provide power, this method comprises the following steps:
    (a) each these mesh point is monitored respectively through the flow of mesh point separately and a connection battery power level of mesh point separately;
    (b) whether each these mesh point decision activates and this electricity saving function of mesh point connection separately; And
    (c) each these mesh point sends the adjacent web point of the connection information of the preservation mesh point power of battery to this mesh network.
  21. 21. method according to claim 20 is characterized in that, the connection information of preserving the mesh point power of battery is to send message and transmitted from the second layer or the 3rd layer.
  22. 22. method according to claim 20 is characterized in that, the connection information of preserving the mesh point power of battery is included in a capable field of a medium Access Control header.
  23. 23. a power efficiency mesh network, it comprises:
    (a) a plurality of batteries provide the mesh point of power; And
    (b) central controller, in order to preserve the power of battery of these mesh point, wherein, the battery power level indication that these mesh point send the connection information of preserving the mesh point powers of battery and mesh point connection separately is provided is to this central controller, and, this central controller is based on these connection information and the indication of these battery power levels of preserving the mesh point power of battery, with the configuration of this mesh network of optimization.
  24. 24. mesh network according to claim 23 is characterized in that, this central controller activates a power save function of at least one these mesh point.
  25. 25. mesh network according to claim 23 is characterized in that, this central controller is coordinated these mesh point to operate in a power save mode in predetermined time period.
  26. 26. mesh network according to claim 23 is characterized in that, the mesh point that this central controller order does not utilize is to activate a power save function.
  27. 27. mesh network according to claim 23 is characterized in that also comprising:
    One mesh portal, this central controller are to be incorporated into this mesh portal, and wherein, this mesh network provides wireless transmission/receive unit to insert a backbone network by this mesh portal.
  28. 28. mesh network according to claim 27 is characterized in that, this backbone network is a world-wide web.
  29. 29. mesh network according to claim 23 is characterized in that, this central controller is that this mesh network of configuration is to minimize the mesh point number of the one power save function of un-activation still.
  30. 30. mesh network according to claim 24, it is characterized in that, this power save function that is activated is based on one-period property basis and removes, and makes this mesh point can listen to netted beacon, and then determines whether this central controller wants to assign this mesh point to one routed path.
  31. 31. mesh network according to claim 23 is characterized in that, at least one these mesh point sends the connection information of the preservation mesh point power of battery another mesh point to this mesh network.
  32. 32. mesh network according to claim 31 is characterized in that, the information that is sent to this another mesh point is that the power save action is wanted in indication one.
  33. 33. mesh network according to claim 31 is characterized in that, is sent to the packets of information purse rope shape point dysnystaxis/wake-up period time sequence information of this another mesh point.
  34. 34. mesh network according to claim 23, it is characterized in that, the connection information of preserving the mesh point power of battery comprises power source, a power save ability, a power save demand, utilize the power save feature that at least one these mesh point implement and want that power save moves at least one of them.
  35. 35. mesh network according to claim 23 is characterized in that, the information of preserving the mesh point power of battery is to send message and transmitted by the second layer or the 3rd layer.
  36. 36. mesh network according to claim 23 is characterized in that, the information of preserving the mesh point power of battery is included in a capable field of a medium Access Control header.
  37. 37. mesh network according to claim 23 is characterized in that, the information of preserving the mesh point power of battery is to require and transmitted corresponding to one of this central controller.
  38. 38. mesh network according to claim 23 is characterized in that, the information of preserving the mesh point power of battery is based on one-period property basis and is sent to this central controller from these mesh point.
  39. 39. mesh network according to claim 23 is characterized in that, at least one these mesh point is configured, with operation in two frequency channels but close at least one frequency channels to preserve the power of battery.
  40. 40. mesh network according to claim 23 is characterized in that, at least one these mesh point be according to the seeervice cycle at interval entering a dysnystaxis state, and then preserve the power of battery.
  41. 41., it is characterized in that this seeervice cycle is to negotiate at interval according to the described mesh network of claim 40 between this mesh point and this central controller.
  42. 42. have a plurality of the utilization in the power efficiency mesh network of mesh point with routing traffic that battery provides power, each mesh point comprises:
    (a) monitoring unit is in order to the flow of each mesh point of monitoring process and a battery power level of each mesh point connection; And
    (b) a power save controller, wherein, whether mesh point decision out of the ordinary activates the power save function controlled by this power save controller, and sends the connection information of preserving the mesh point power of battery adjacent web point to this mesh network.
  43. 43., it is characterized in that the connection information of preserving the mesh point power of battery is to send message and transmitted by the second layer or the 3rd layer according to the described mesh point of claim 42.
  44. 44., it is characterized in that the connection information of preserving the mesh point power of battery is included in a capable field of a medium Access Control header according to the described mesh point of claim 42.
  45. 45. have a plurality of the utilization in the power efficiency mesh network of mesh point with routing traffic that battery provides power, each mesh point comprises an integrated circuit (IC), and this integrated circuit comprises:
    (a) monitoring unit is in order to the flow of monitoring process mesh point out of the ordinary and a battery power level of mesh point out of the ordinary connection; And
    (b) a power save controller, wherein, whether the decision of each mesh point activates the power save function controlled by this power save controller, and sends the connection information of preserving the mesh point power of battery adjacent web point to this mesh network.
  46. 46., it is characterized in that the connection information of preserving the mesh point power of battery is to send message and transmitted by the second layer or the 3rd layer according to the described integrated circuit of claim 45.
  47. 47., it is characterized in that the connection information of preserving the mesh point power of battery is included in a capable field of a medium Access Control header according to the described integrated circuit of claim 45.
  48. 48. a mesh point is applicable to have a plurality of power efficiency mesh networks that utilize the mesh point that battery provides power, in order to preserve the power of battery, this kind mesh point comprises:
    One monitoring unit, power demand and the remaining power power of this monitoring unit in order to monitor this mesh point; And
    One power save controller, when surpassing a predetermined critical as if these power requirements, this power save controller is in order to trigger a power save mode.
  49. 49., it is characterized in that this predetermined critical is based on this remaining power power according to the described mesh point of claim 48.
  50. 50. according to the described mesh point of claim 48, it is characterized in that, these power demands comprise radio environment and through in the flow of this mesh point at least one of them.
  51. 51., it is characterized in that this monitoring unit is also in order to store flow history and to expect recent flow according to the described mesh point of claim 48.
  52. 52., it is characterized in that these power demands comprise the recent flow of expection according to the described mesh point of claim 51.
  53. 53. according to the described mesh point of claim 48, it is characterized in that, trigger a power save mode and comprise the following steps:
    The adjacent web point is informed in the triggering of this power save mode.
  54. 54., it is characterized in that this mesh point is by transmitting a vacant data frames the triggering of this power save mode is informed this adjacent web point according to the described mesh point of claim 53.
  55. 55., it is characterized in that this power save controller also is used to this mesh point of schedule time activation, to listen to beacon according to the described mesh point of claim 48.
  56. 56., it is characterized in that this mesh point stops according to the described mesh point of claim 55 when a seeervice cycle finishes.
  57. 57., it is characterized in that when this mesh point had flow to transmit, this power save controller was also in order to this mesh point of activation according to the described mesh point of claim 48.
CNA2006800077454A 2005-03-11 2006-03-10 Method and system for conserving battery power of mesh points in a mesh network Pending CN101194232A (en)

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CN102084698A (en) * 2008-07-16 2011-06-01 高通股份有限公司 Network server having an information and scheduling controller to support one or more low duty cycle wireless devices
CN103683100A (en) * 2013-12-04 2014-03-26 广东电网公司清远供电局 Electric transmission line monitor system based on broadband wireless Mesh
US8700105B2 (en) 2006-06-22 2014-04-15 Qualcomm Incorporated Low duty cycle device protocol
CN104335644A (en) * 2012-06-08 2015-02-04 诺基亚公司 Enhanced power saving optimized configuration handling
US9320002B2 (en) 2006-06-21 2016-04-19 Qualcomm Incorporated Low duty cycle network controller
CN106376034A (en) * 2016-10-19 2017-02-01 深圳市晟碟半导体有限公司 Method and system for obtaining state of equipment inside wireless Mesh network rapidly
CN111417863A (en) * 2017-11-27 2020-07-14 皇家飞利浦有限公司 Mesh network in wireless coil

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KR100810661B1 (en) 2007-02-07 2008-03-07 삼성전자주식회사 Method and apparatus for allocating radio resource in a wireless sensor network
CN105515994A (en) 2015-11-30 2016-04-20 华为技术有限公司 Routing method and routing apparatus

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US9226236B2 (en) 2006-06-21 2015-12-29 Qualcomm Incorporated Low duty cycle device protocol
US9320002B2 (en) 2006-06-21 2016-04-19 Qualcomm Incorporated Low duty cycle network controller
US8700105B2 (en) 2006-06-22 2014-04-15 Qualcomm Incorporated Low duty cycle device protocol
CN102084698A (en) * 2008-07-16 2011-06-01 高通股份有限公司 Network server having an information and scheduling controller to support one or more low duty cycle wireless devices
US9185654B2 (en) 2008-07-16 2015-11-10 Qualcomm Incorporated Network server having an information and scheduling controller to support one or more low duty cycle wireless devices
CN104335644A (en) * 2012-06-08 2015-02-04 诺基亚公司 Enhanced power saving optimized configuration handling
CN103683100A (en) * 2013-12-04 2014-03-26 广东电网公司清远供电局 Electric transmission line monitor system based on broadband wireless Mesh
CN106376034A (en) * 2016-10-19 2017-02-01 深圳市晟碟半导体有限公司 Method and system for obtaining state of equipment inside wireless Mesh network rapidly
CN111417863A (en) * 2017-11-27 2020-07-14 皇家飞利浦有限公司 Mesh network in wireless coil
CN111417863B (en) * 2017-11-27 2024-04-16 皇家飞利浦有限公司 Wireless magnetic resonance coil device, wireless magnetic resonance signal receiving system and method

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CN201004643Y (en) 2008-01-09
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TW201006280A (en) 2010-02-01
AR052942A1 (en) 2007-04-11

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