CN106793130A - A kind of uplink resource allocating method under H2H and M2M terminal coexistence scenes - Google Patents

A kind of uplink resource allocating method under H2H and M2M terminal coexistence scenes Download PDF

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Publication number
CN106793130A
CN106793130A CN201611182425.4A CN201611182425A CN106793130A CN 106793130 A CN106793130 A CN 106793130A CN 201611182425 A CN201611182425 A CN 201611182425A CN 106793130 A CN106793130 A CN 106793130A
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user
steps
resource
resource block
utility
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Inventor
朱晓荣
蒋继胜
陆宇
李嘉琪
张雷
胡晗
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Nanjing Post and Telecommunication University
Nanjing University of Posts and Telecommunications
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Nanjing Post and Telecommunication University
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/543—Allocation or scheduling criteria for wireless resources based on quality criteria based on requested quality, e.g. QoS
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • H04W72/566—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient
    • H04W72/569—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient of the traffic information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]

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  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

A kind of uplink resource allocating method under Human To Human (H2H) and Machine To Machine (M2M) terminal coexistence scene of the invention belongs to the technical field of mobile communication.Method is comprised the following steps：First, in each scheduling instance, the M2M Subscriber Queue and the non-sensitive M2M Subscriber Queue of time delay of H2H and delay sensitive are set up；Secondly, the user in base station dispatcher M2M Subscriber Queue preferentially to H2H with delay sensitive is scheduled, and compares peak transfer rate of each user on each Resource Block, preferentially gives correspondence user by the corresponding resource block assignments of maximum；After the completion of scheduling, the M2M user for still having surplus resources non-sensitive to time delay again is scheduled.Present invention seek to address that in the presence of magnanimity M2M terminals, ensureing the service quality of H2H and the M2M communication business of delay sensitive, while taking into full account the traffic performance of the non-sensitive M2M of time delay, the transmission performance of LTE up-links is improved.

Description

A kind of uplink resource allocating method under H2H and M2M terminal coexistence scenes
Technical field
The invention belongs to mobile communication technology field, it is related to LTE system transfer resource distribution method, can be used in LTE systems In transfer resource assigning process when M2M business is introduced into system.
Background technology
M2M is the abbreviation of Machine-to-Machine, refers to that application communication technology realizes people and people, people and machine, machine The general name of data communication and a series of technologies for exchanging and combinations thereof, is a kind of information towards intelligent terminal between device and machine Exchange and communication type.M2M, in topmost application form at this stage, is a kind of emerging communication type as Internet of Things, is The new business growth point of moving communicating field, implements attention and green grass or young crops that machine type communication is subject to mobile operator in Cellular Networks Look at, and cellular network, with its wide coverage, construction cost is low, disposes the features such as facilitating, and is also to implement machine in Cellular Networks The communication of device class provides advantage.
Traditional communication system is mainly directed towards H2H communication services design, H2H business demands is adapted to, due to machine type communication Number of devices has mass property and service communication custom with burst characteristic, and compared with traditional H2H communicates, M2M communication Traffic performance there is the features such as application type is various, terminal quantity is huge and application contacts are tight, business model is various.It is complete Indiscriminately imitate existing communications system transmission M2M business entirely, the efficiency of system, cost and applicability are all unable to reach optimal.Therefore need There is a kind of method, can both ensure the Qos demands of H2H business under H2H and M2M terminal coexistence scenes, M2M industry is met again The characteristics of business.
The content of the invention
Technical problem：The present invention is directed to the ascending resource assignment problem under H2H and M2M terminal coexistence scenes, there is provided a kind of The Qos demands of H2H business are still ensured that in the case of the presence of a large amount of M2M terminals, while disclosure satisfy that the transmission of M2M business again needing The method asked.
Technical scheme：The uplink resource allocating method under H2H and M2M terminal coexistence scenes of the invention, including following step Suddenly：
101 steps, in each scheduling instance, all users for having set up connection of base station dispatcher traversal will have upstream data The user for sending request is included into different Subscriber Queue, the Subscriber Queue be H2H with the M2M Subscriber Queue of delay sensitive and when Prolong non-sensitive M2M Subscriber Queue；Described H2H and the M2M Subscriber Queue of delay sensitive, are traditional person to person's communication users The machine customer higher with business requirement of real-time, described M2M service-user queues are that removing business requirement of real-time is higher Machine customer outside all M2M users；
102 steps, the user in M2M Subscriber Queue of the base station dispatcher first to H2H with delay sensitive is scheduled, with excellent First ensure the service quality of H2H and the M2M telex networks of delay sensitive；
103 steps, after the completion of to the M2M user schedulings of H2H and delay sensitive, use M2M again when still having surplus resources User in the queue of family is scheduled, and rationally to utilize LTE uplink radio resources, improves the transporting of LTE up-links Energy.
In 102 steps, the user in the described M2M Subscriber Queue to H2H with delay sensitive is scheduled, including following Sub-step：
201 steps, the service priority of each business is calculated according to QCI parameter lists, and formula is：
Wherein ViThe service priority of user i is represented, base station dispatcher is according to ViValue be followed successively by from big to small business clothes Business, QiIt is the QoS grades of user's request business, DiIt is the limit of time delay of user i,The queue waiting time of user i is represented, whenWhen, the current data of user will be dropped because of time-out, represent the arrival time of user i；
202 steps, build user-Resource Block utility matrix, and this value of utility is current transmission time interval each user in RB On peak transfer rate, be to be determined by channel quality, the calculation of this value of utility is：Base station is according to uplink link status Estimate channel gain and effective Signal to Interference plus Noise Ratio of each business on each Resource Block, it follows that each user is on each RB Coded format, calculate transimission power of each user on each RB, then obtain maximum transmitted of each user on RB Speed；
203 steps, from user-maximum unit of Resource Block utility matrix selection value of utility, the corresponding user of this element is to work as Preceding user, corresponding resource block assignments are worth to active user by the maximum utility, and judging the Resource Block of active user's distribution is The no minimum transmission rate that can meet requested service, if it can, then the resource allocation of active user terminates；
204 steps, if it could not, this user is given by the corresponding resource block assignments of the second largest value of utility of active user, it is so anti- Subdivision is matched somebody with somebody, until the Resource Block distributed for active user disclosure satisfy that the minimum transmission rate of this user's request business；
205 steps, after active user's resource allocation terminates, it is its distribution resource that the step of rebound 202 dispatches a new user, directly The user in M2M Subscriber Queue to H2H with delay sensitive has been scheduled or Resource Block has been allocated.
In 103 steps, described is scheduled to the user in non-time delay M2M Subscriber Queue again, it is characterized by, non-time delay Sensitive M2M business uploads data volume very little, and a Resource Block just disclosure satisfy that its transmission demand method is.Distribution method For：The M2M terminals of non-delay sensitive are divided into different groups, and terminal passes through machine type communication gateway MTCG in group (machine-type communications devicesgateway) is communicated with base station.Assuming that station spare resource is only It is a group service, calculating each group can be with the number of terminals of being serviced, and defining has L groups, and l groups can be with being serviced Number of terminals isBase station dispatcher according toRemaining resource block assignments are given each group by ratio.Complete to non- , it is necessary to user's request distribution resource in each group after the M2M user of delay sensitive each group allocation resource.
Base station dispatcher is to user's distribution method in group：
To user's request distribution resource in each group, specific method is：
401 steps, build service priority queue, and base station dispatcher is the user resource allocation for first initiating to ask first；
402 steps, build user-Resource Block utility matrix, and value of utility is current transmission time interval each user on RB Peak transfer rate.First user of service priority queue is active user, by the value of utility more than active user most The minimum corresponding resource block assignments of low transmission rate and value of utility are to active user；
403 steps, after active user's resource allocation terminates, it is its distribution resource that the step of rebound 401 dispatches a new user, directly The M2M user of non-delay sensitive has been scheduled or Resource Block has been allocated in group.
Beneficial effect
The present invention compared with prior art, with advantages below：
The invention enables future in the presence of having a large amount of M2M business, the preferential M2M for ensureing H2H and delay sensitive The Qos of business, while taking into full account the small data characteristic of M2M business, maximally utilises time, frequency two dimension resource, is Time delay insensitive M2M user provide service, so as to improve the transmission performance of LTE up-links, person to person is met to greatest extent Communication and the demand of machine-to-machine communication.
Brief description of the drawings
Fig. 1 is the overview flow chart of LTE uplink radio resources dispatching method of the present invention.
Fig. 2 is to the dispatching method flow chart of H2H Subscriber Queue in the embodiment of the present invention；
Fig. 3 be the embodiment of the present invention in in M2M Subscriber Queue to user's request allocation process diagram in each group；
Fig. 4 is the UE-RB utility matrix schematic diagrames in the embodiment of the present invention.
Specific embodiment
Technical solution of the present invention is described in detail with Figure of description with reference to embodiments.
As shown in figure 1, LTE uplink radio resources dispatching method method of the invention is comprised the following steps：
101 steps, in each scheduling instance, base station dispatcher travels through all users for having built up connection first, will have The user that upstream data sends request is included into different Subscriber Queue, and the Subscriber Queue is the M2M user of H2H and delay sensitive Queue and the non-sensitive M2M Subscriber Queue of time delay；Described H2H and the M2M Subscriber Queue of delay sensitive, are traditional person to persons Communication user and business requirement of real-time machine customer higher, described M2M service-user queues are removing business real-times It is required that all M2M users outside machine customer higher；
102 steps, the user in M2M Subscriber Queue of the base station dispatcher first to H2H with delay sensitive is scheduled, with excellent First ensure the service quality of H2H and the M2M telex networks of delay sensitive；
103 steps, after the completion of to the M2M user schedulings of H2H and delay sensitive, use M2M again when still having surplus resources User in the queue of family is scheduled, and rationally to utilize LTE uplink radio resources, improves the transporting of LTE up-links Energy.
As shown in Fig. 2 the user (UE) in the preferential M2M Subscriber Queue to H2H with delay sensitive described in step 102 enters The method of row scheduling includes following sub-step：
201 steps, the service priority of each business is calculated according to QCI parameter lists, and formula is：
Wherein ViThe service priority of user i is represented, base station dispatcher is according to ViValue be followed successively by from big to small business clothes Business, QiIt is the QoS grades of user's request business, DiIt is the limit of time delay of user i,The queue waiting time of user i is represented, whenWhen, the current data of user will be dropped because of time-out, represent the arrival time of user i；
202 steps, build user-Resource Block utility matrix, and this value of utility is current transmission time interval each user in RB On peak transfer rate, be to be determined by channel quality, the calculation of this value of utility is：Base station is according to uplink link status Estimate channel gain and effective Signal to Interference plus Noise Ratio of each business on each Resource Block, it follows that each user is on each RB Coded format, calculate transimission power of each user on each RB, then obtain maximum transmitted of each user on RB Speed；
203 steps, from user-maximum unit of Resource Block utility matrix selection value of utility, the corresponding user of this element is to work as Preceding user, corresponding resource block assignments are worth to active user by the maximum utility, and judging the Resource Block of active user's distribution is The no minimum transmission rate that can meet requested service, if it can, then the resource allocation of active user terminates；
204 steps, if it could not, this user is given by the corresponding resource block assignments of the second largest value of utility of active user, it is so anti- Subdivision is matched somebody with somebody, until the Resource Block distributed for active user disclosure satisfy that the minimum transmission rate of this user's request business；
205 steps, after active user's resource allocation terminates, it is its distribution resource that the step of rebound 202 dispatches a new user, directly The user in M2M Subscriber Queue to H2H with delay sensitive has been scheduled or Resource Block has been allocated.
In 103 steps, described is scheduled to the user in non-time delay M2M Subscriber Queue again, it is characterized by, non-time delay Sensitive M2M business uploads data volume very little, and a Resource Block just disclosure satisfy that its transmission demand method is.Distribution method For：The M2M terminals of non-delay sensitive are divided into different groups, and terminal passes through machine type communication gateway MTCG in group (machine-type communications devices gateway) is communicated with base station.Assuming that station spare resource Only it is a group service, calculating each group can be with the number of terminals of being serviced, and defining has L groups, and l groups can be with being serviced Number of terminals beBase station dispatcher according toRemaining resource block assignments are given each group by ratio.Complete right , it is necessary to user's request distribution resource in each group after the M2M user of non-delay sensitive each group allocation resource.
As shown in figure 3, base station dispatcher is to user's request distribution resource in each group, specific method is：
401 steps, build service priority queue, and base station dispatcher is the user resource allocation for first initiating to ask first；
402 steps, build user-Resource Block utility matrix, and value of utility is current transmission time interval each user on RB Peak transfer rate.First user of service priority queue is active user, by the value of utility more than active user most The minimum corresponding resource block assignments of low transmission rate and value of utility are to active user；
403 steps, after active user's resource allocation terminates, it is its distribution resource that the step of rebound 401 dispatches a new user, directly The M2M user of non-delay sensitive has been scheduled or Resource Block has been allocated in group.

Claims (3)

1. the uplink resource allocating method under a kind of H2H and M2M terminal coexistence scenes, it is characterised in that comprise the following steps：
101 steps, in each scheduling instance, all users for having set up connection of base station dispatcher traversal will have upstream data to send The user of request is included into different Subscriber Queue, and the Subscriber Queue is that H2H is non-with the M2M Subscriber Queue and time delay of delay sensitive Sensitive M2M Subscriber Queue；
102 steps, the user in M2M Subscriber Queue of the base station dispatcher first to H2H with delay sensitive is scheduled, preferentially to protect The service quality of the M2M telex networks of barrier H2H and delay sensitive；
103 steps, after the completion of the M2M user schedulings to H2H and delay sensitive, again to M2M user team when still having a surplus resources User in row is scheduled, and rationally to utilize LTE uplink radio resources, improves the transmission performance of LTE up-links.
2. the method for claim 1, it is characterised in that in 102 steps, the described M2M to H2H and delay sensitive is used User in the queue of family is scheduled, including following sub-step：
201 steps, the service priority of each business is calculated according to QCI parameter lists, and formula is：
Wherein ViThe service priority of user i is represented, base station dispatcher is according to ViValue be followed successively by business service, Q from big to smalli It is the QoS grades of user's request business, DiIt is the limit of time delay of user i,The queue waiting time of user i is represented, whenWhen, the current data of user will be dropped because of time-out, represent the arrival time of user i；
202 steps, build user-Resource Block utility matrix, and this value of utility is current transmission time interval each user on RB Peak transfer rate, is determined by channel quality, and the calculation of this value of utility is：Estimated according to uplink link status base station Channel gain and effective Signal to Interference plus Noise Ratio of each business on each Resource Block, it follows that volume of each user on each RB Code form, calculates transimission power of each user on each RB, then obtains peak transfer rate of each user on RB；
203 steps, from user-maximum unit of Resource Block utility matrix selection value of utility, the corresponding user of this element is current use Family, corresponding resource block assignments are worth to active user by the maximum utility, judge that whether the Resource Block of active user's distribution can The minimum transmission rate of requested service is met, if it can, then the resource allocation of active user terminates；
204 steps, if it could not, giving this user by the corresponding resource block assignments of the second largest value of utility of active user, so divide repeatedly Match somebody with somebody, until the Resource Block distributed for active user disclosure satisfy that the minimum transmission rate of this user's request business；
205 steps, after active user's resource allocation terminates, it is its distribution resource that the step of rebound 202 dispatches a new user, until User in H2H and the M2M Subscriber Queue of delay sensitive has been scheduled or Resource Block has been allocated；
In 103 steps, described is scheduled to the user in non-time delay M2M Subscriber Queue again, it is characterised in that distribution method For：The M2M terminals of non-delay sensitive are divided into different groups, and terminal passes through machine type communication gateway MTCG and base station in group Communicated；Assuming that station spare resource is only a group service, calculating each group can be defined with the number of terminals of being serviced There are L groups, l groups can be with the number of terminals of being servicedBase station dispatcher according toRatio is by remaining money Source block distributes to each group；, it is necessary to each group after completing to the M2M user of non-delay sensitive each group allocation resource User's request distribution resource in group.
3. method as claimed in claim 2, it is characterised in that specific as follows to user's request distribution resource in each group：
401 steps, build service priority queue, and base station dispatcher is the user resource allocation for first initiating to ask first；
402 steps, build user-Resource Block utility matrix, value of utility be current transmission time interval each user on RB most Big transmission rate；First user of service priority queue is active user, and the value of utility is more than into the minimum biography of active user The minimum corresponding resource block assignments of defeated speed and value of utility are to active user；
403 steps, after active user's resource allocation terminates, it is its distribution resource, Zhi Daoqun that the step of rebound 401 dispatches a new user The M2M user of non-delay sensitive has been scheduled or Resource Block has been allocated in group.
CN201611182425.4A 2016-12-20 2016-12-20 A kind of uplink resource allocating method under H2H and M2M terminal coexistence scenes Pending CN106793130A (en)

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CN111278052A (en) * 2020-01-20 2020-06-12 重庆大学 Industrial field data multi-priority scheduling method based on 5G slice
CN112738901A (en) * 2020-10-27 2021-04-30 广东电网有限责任公司广州供电局 Uplink resource scheduling method and device

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Application publication date: 20170531