CN108124315A - The node apparatus and dispatch control method and medium of wireless self-organization network - Google Patents
The node apparatus and dispatch control method and medium of wireless self-organization network Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
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Abstract
The present invention provides the node apparatus and dispatch control method and medium of a kind of wireless self-organization network, including：Selection sends the first scheduling control information in the first control resource and/or sends the second scheduling control information in the second control resource；Described first controls the public control resource that resource is first frame；Described second controls resource as the control resource in scheduled one or more data transmission units in the subsequent frame of first frame or first frame.The present invention, by the fractionation of dispatch, is carried in WiMAX ad hoc network by different resource, and utilize the transmission of not type signaling, the graded dispatching of radio resource is provided, simplifies the scheduling controlling management of physical resource, realizes the active balance of physical layer process complexity/between expense and scheduling delay.Particularly, further directed to specific broadband ad hoc network frame structure design, realize that uplink and downlink data resource is flexible, efficient scheduling controlling.
Description
Technical field
The present invention relates to scheduling controlling management, and in particular, to the node apparatus and scheduling controlling of wireless self-organization network
Method and medium.
Background technology
With it is existing with the conventional communication networks of static infrastructure compared with, wireless self-organization network has with bandwidth
Limit, link easily change, dynamic, the physical security of the mobility of node and the network topology thus brought are limited, send
The features such as power limited.Just because of these differences, wireless self-organization network protocol stack design also proposed and compare traditional network
The higher requirement of protocol stack.In physical layer protocol design, data efficient, flexible scheduling controlling are to improve performance for wireless communications
One of key problem of index.
Inventor has carried out analysis to the scheduling of resource control program in Wifi, LTE, WiMax system and has found：
In Wifi scheduling controlling schemes, there is no multi-subscriber dispatching mechanism, accessed by CSMA/CA mechanism, occupy channel
Afterwards, relative users data are transmitted.
In LTE scheduling controlling schemes, the control of uplink/downlink data is all realized in physical layer, it is necessary to special in frame structure
Down control channel PDCCH (Physical Downlink Control Channel) support, different user dispatch point
Cloth is in public search space and the exclusive search spaces of UE, by different PDCCH DCI (Downlink Control Infor
Mation) form carries.The program is the advantage is that signaling scheduling delay is small, and down dispatch information is sent when frame, when frame
It comes into force.But shortcoming is physical layer process complexity, including：
A) PDCCH channel designs are complicated, and DCI format design is complicated；
B) PDCCH DIC search process is complicated, it is necessary in PDCCH spaces for different-format blind Detecting, and time, power disappear
Consumption is big；
C) physical layer signaling expense is big, and each DCI format of carrying is required for independent CRC (Cyclic in each PDCCH
Redundancy Check, cyclic redundancy check), the operations such as channel coding and rate-matched.
In WiMax scheduling controlling schemes, physical layer time slot scheduling is completed substantially by physical layer.Immediately leading in each frame
Afterwards all there are one FCH (Frame Control Header) field, FCH includes the control information of present frame, such as D L-MAP
The length of (Downlink Map) and UL-MAP (Uplink Map) message, encoding scheme and subchannel for using etc..FCH is carried
Information content it is little, but FCH provides mobile subscriber and continues basic information necessary to demodulating other message.Uplink and downlink data pass
Defeated time slot is multiple time slot/channels by BS universal formulations, after user is broadcast to by DL-MAP and UL-MAP message, realize follow-up
The scheduling of data slot.
Wherein, DL-MAP message defines the information on downlink, including herein below：
-- frame length.802.16e supports a variety of frame lengths, but IP-OFDMA (Internet Protocol
Orthogonal Frequency Division Multiple Access) technology only supports 5ms frame lengths.
-- downlink frame is further divided into different bursts, different bursts can distribute to different users, so as to
Realize multiple access.
-- determine optional carrier wave and the symbol method of salary distribution, such as FUSC (Full Usage of SubChannels).
Wherein, UL-MAP message defines the information in uplink, including herein below：
-- the method for salary distribution to happen suddenly on downlink.
-- the working method of uplink Ranging channels.
-- the ack channel of up channel mainly is used to respond the HARQ confirmatory messages of down channel to mobile station.
-- the fast feedback channel of up channel is mainly used for feeding back channel state information to mobile station.
Although DL-MAP message and UL-MAP message are defined as MAC (Medium Access in Wimax agreements
Control) layer message, but from angle is realized, the scheduling information of DL-MAP is always applied in this frame, and the scheduling information of UL-MAP
This frame is also applicable in, as long as meeting scheduled ascending resource in UL-MAP message transmission delays, propagation delay and processing
After delay.Therefore, Wimax scheduling informations concentration send is also required to more stringent signal resource, form and configure.
Delay requirement is higher.User needs to decode all DL-MAP and UP-MAP message acquisition scheduling informations, not using dispatch
The means of classification.
It can be seen that in existing typical LTE, WiMax system, the realization of wireless resource scheduling control substantially passes through
In the special physical control channel of physical layer design, the transmission of uplink and downlink wireless resource scheduling signaling, physical layer scheduling are realized
Control management conceptual design is complicated, and physical layer signaling expense is big.
The content of the invention
For in the prior art the defects of, the object of the present invention is to provide a kind of wireless self-organization network node apparatus and
Dispatch control method and medium.
Dispatch control method in a kind of node apparatus of the wireless self-organization network provided according to the present invention, including：
Dispatch forwarding step：Selection sends the first scheduling control information and/or second in the first control resource
The second scheduling control information is sent in control resource；
Described first controls the public control resource that resource is first frame；
Described second controls resource to be passed for scheduled one or more data in the subsequent frame of first frame or first frame
Control resource in defeated unit.
Dispatch control method in a kind of node apparatus of the wireless self-organization network provided according to the present invention, including：
Dispatch receiving step：The first scheduling control information is received in the first control resource and/or in the second control
The second scheduling control information is received in resource；
Described first controls the public control resource that resource is first frame；
Described second controls resource to be passed for scheduled one or more data in the subsequent frame of first frame or first frame
Control resource in defeated unit.
A kind of node apparatus of the wireless self-organization network provided according to the present invention, including：
Dispatch sending module：Selection sends the first scheduling control information and/or second in the first control resource
The second scheduling control information is sent in control resource；
Described first controls the public control resource that resource is first frame；
Described second controls resource to be passed for scheduled one or more data in the subsequent frame of first frame or first frame
Control resource in defeated unit.
A kind of node apparatus of the wireless self-organization network provided according to the present invention, including：
Dispatch receiving module：The first scheduling control information is received in the first control resource and/or in the second control
The second scheduling control information is received in resource；
Described first controls the public control resource that resource is first frame；
Described second controls resource to be passed for scheduled one or more data in the subsequent frame of first frame or first frame
Control resource in defeated unit.
Preferably, the resource allocation cycle of the first scheduling control information is more than the resource allocation week of the second scheduling control information
Phase；
The selection refers to the resource allocation cycle according to scheduling control information to be sent, and scheduling controlling to be sent is believed
Breath by it is following it is any in a manner of sent：
-- using scheduling control information to be sent as the first scheduling control information, in the first control resource distributed in frame
It sends；
-- using scheduling control information to be sent as the second scheduling control information, one or more data transmission lists in frame
It is sent in the second control resource in member；
-- scheduling control information to be sent is split as the first scheduling control information, the second scheduling control information, is existed respectively
It is sent in the second control resource in frame in the first control resource of distribution, in frame in one or more data transmission units.
Preferably：
First scheduling control information includes following any or appoints a variety of scheduling informations：
-- itself relevant scheduling information of the first scheduling controlling resource；
-- the related scheduling information of data transmission unit in one or more frames of one or more user's distribution；
-- the scheduling information of the second scheduling controlling resource in data transmission unit；
It is the frame that comes into force that frame itself, which is sent, as the subsequent frame of come into force frame or transmission frame；Wherein, the transmission frame refers to first
Frame where scheduling control information, the frame that comes into force refer to the frame that the first scheduling control information comes into force；
Which frame is that the come into force configuration mode of frame includes following any mode：
-- it is predefined；
-- by being indicated in the first scheduling control information by signaling；
-- other physical layer signalings or high-level signaling notice in the first scheduling control information outside signaling.
Preferably：
Second scheduling control information is certain user in the frame that comes into force as scheduled indicated by the first scheduling control information
Data transmission unit in second control resource in scheduling information；
The data transmission unit that second scheduling control information comes into force is the data transmission for carrying second scheduling control information
Unit.
Preferably, it is that come into force the first scheduling control information of frame is sent with physical layer signaling to send frame itself；Send frame
Subsequent frame is that come into force the first scheduling control information of frame is sent with physical layer signaling or sent with high-level signaling；
Second scheduling control information is in frame or the frame that comes into force is sent.
Preferably：
First scheduling control information includes following any or appoints a variety of scheduling informations：
-- the scheduling information of the first scheduling controlling resource itself of the subsequent frame of first frame or first frame；
-- the distribution information of the data transmission unit in the subsequent frame of first frame or first frame；
-- the scheduling information of the second scheduling controlling resource in the subsequent frame of first frame or first frame；
Second scheduling control information includes the scheduling letter for carrying the data transmission unit of second scheduling control information
Breath and/or the scheduling information for including the second control resource in data transmission unit；
First scheduling control information is sent with high-level signaling or is sent with physical layer signaling；
Second scheduling control information is sent with physical layer signaling.
Preferably：
The scheduling information that the first scheduling control information itself decoding of frame where being used to implement needs, is sent out with physical layer signaling
It send；
The scheduling information that the decoding of first scheduling control information of frame subsequent frame where being used to implement needs, with high-level signaling
Or physical layer is sent.
Preferably,
The resource distribution location of first scheduling control information is fixed；Alternatively, the resource of the first scheduling control information point
It is indicated with position by signaling；
The resource distribution location of first scheduling control information is designated as high-level signaling, wherein, first scheduling controlling
The resource distribution location of information is indicated by the high-level signaling in the previous frame of place frame or place frame；Alternatively, the first scheduling controlling is believed
The resource distribution location of breath is indicated by physical layer signaling in the previous frame of place frame or place frame；Alternatively, the first scheduling control information
Resource distribution location instruction is combined by the physical layer in the previous frame of place frame or place frame or high-level signaling；
The resource distribution location of second scheduling control information is fixed used physical transmission channel；Alternatively, the second scheduling controlling
The resource distribution location of information is indicated by the first scheduling control information and/or the second scheduling control information；Alternatively, the second scheduling control
The resource distribution location of information processed is by other physics outside first scheduling control information and/or the second scheduling control information
The instruction of layer signaling, high-level signaling instruction or other physical layer signalings and high-level signaling combine instruction.
Preferably：
After one first scheduling control information and/or one second scheduling control information are sent, when subsequent frame or data transmission
Another first scheduling control information and/or another second scheduling control information and one first scheduling control information in unit
And/or one second scheduling control information it is identical when, by it is following it is any in a manner of sent：
In the case of scheduling information omits pattern configurations unlatching, support does not repeat to send the first identical scheduling control information
And/or second scheduling control information；
Scheduling information omit pattern configurations close in the case of, support repeat send the first identical scheduling control information and/
Or second scheduling control information.
Preferably：
Scheduling information omits pattern configurations and is sent to scheduled user by explicit way with physical layer or high-level signaling；Or
Person, scheduling information omit pattern configurations and are sent to scheduled user by implicit.
A kind of computer readable storage medium for being stored with computer program provided according to the present invention, the computer journey
The step of above-mentioned dispatch control method is realized when sequence is executed by processor.
Compared with prior art, the present invention has following advantageous effect：
The present invention, by the fractionation of dispatch, is carried in WiMAX ad hoc network by different resource, and utilizes not class
The transmission of type signaling provides the graded dispatching of radio resource, simplifies the scheduling controlling management of physical resource, realizes physical layer process
The active balance of complexity/between expense and scheduling delay.Particularly, further directed to specific broadband ad hoc network frame structure design,
Realize that uplink and downlink data resource is flexible, efficient scheduling controlling.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is frame assumption diagram.
Fig. 2 is the step flow chart that dispatch is sent and received using signaling control method provided by the invention.
Specific embodiment
With reference to specific embodiment, the present invention is described in detail.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill to this field
For personnel, without departing from the inventive concept of the premise, several changes and improvements can also be made.These belong to the present invention
Protection domain.
The present invention provides the dispatch control method in a kind of node apparatus of wireless self-organization network, including：
Dispatch forwarding step：Selection sends the first scheduling control information and/or second in the first control resource
The second scheduling control information is sent in control resource；
Described first controls the public control resource that resource is first frame；
Described second controls resource to be passed for scheduled one or more data in the subsequent frame of first frame or first frame
Resource in defeated unit, it is preferable that the resource in the data transmission unit is the control resource or number of data transmission unit
According to the management resource of transmission unit.
Correspondingly, the present invention also provides the dispatch control method in a kind of node apparatus of wireless self-organization network, including：
Dispatch receiving step：The first scheduling control information is received in the first control resource and/or in the second control
The second scheduling control information is received in resource；
Described first controls the public control resource that resource is first frame；
Described second controls resource to be passed for scheduled one or more data in the subsequent frame of first frame or first frame
Resource in defeated unit, it is preferable that the resource in the data transmission unit is the control resource or number of data transmission unit
According to the management resource of transmission unit.
The public control resource includes public administration resource or broadcast resource, and carrying common control information includes system
Configuration information, system control information, public scheduling information etc., such as time slot (Broadcast Region, BR), described
Two control resources preferably include data slot control channel (Slot Control Channel, SCH).It is hereinafter specific to rise
See, generally using time slot as the preference of the described first control resource, the first scheduling control information is believed as public scheduling
Breath or part of it using data slot control channel as the preference of the described second control resource, carry the second scheduling controlling
Information and other required control information.
More specifically, resource can be time slot or domain.Such as data dispatch resource can be data transmission slots,
It can be data transmission domain.In another example broadcast resource can be time slot or broadcast domain.Further for example, public control
Resource can be public control time slot, and public control domain can also be common control channel.Therefore, during data in specification
Gap, time slot, public control time slot may alternatively be data field, broadcast domain, public control domain in change case.Public control
Time slot processed may be replaced with common control channel and data transmission unit in more evolutions example in more change case
In may alternatively be data slot.
Resource allocation containing the first scheduling controlling resource in first scheduling control information；The scheduling life of scheduling of resource
The time of effect, the data slot instruction of scheduling and data slot institute distributing user information, that is, contain at what time at which
The information of which user is scheduled on data slot；The resource allocation of second scheduling controlling resource.The second scheduling controlling letter
The scheduling of data cell and the resource allocation of the second scheduling controlling resource where breath control.
The first frame not refers in particular to first frame, also not refers in particular to each frame.Therefore, not necessarily each frame has
First scheduling control information preferably only just configures the first scheduling control information when scheduling needs variation in frame.
As shown in Figure 1, for wireless self-organization network, especially broadband self-organizing network system, one embodiment of the present of invention
The frame structure of use is that the running time-frequency resource of frame is divided into configurable multiple time slots or domain (Region).Each frame has one
A time slot realizes the transmission of the first scheduling control information, is known as time slot (Broadcast Region, BR), after time slot
Face follows the data slot (Data Slot, DS) of multiple uplink/downlinks, and data slot realizes that uplink and downlink resource is answered in a manner of TDD
With.To a user, a user can distribute multiple all resource allocations in one data slot simultaneously in a frame
Data slot.Each data slot include at least data slot control channel and multiple subdata domains (Interleave Bock,
IB), one of time slot or a sub- data field can be used as basic modulation and coding strategy (Modulation and
Coding Scheme, MCS) adjustment, channel coding, interweave elementary cell.Wherein, time slot, data slot control channel
Constitute the resource of the scheduling control information of carrying different stage.
It is right to simplify the complexity of physical layer scheduling control signaling design, reduction physical layer signaling expense and search procedure
In the scheduling control information corresponding to different resource assignment period, the present invention proposes a kind of scheduling control information transmission side of classification
Case, wherein, the radio resource of the scheduled different cycles refers to frame (scheduling of one or more time slots in frame) or time slot
(scheduling in one or more subdata domains in time slot).Now using the first scheduling control information as the larger tune of resource allocation cycle
Control information is spent, using the second scheduling control information as the smaller scheduling control information of resource allocation cycle.Under normal conditions, it is right
The scheduling needs of a certain (a little) data transmission unit are obtained by combining the first scheduling control information and the second scheduling control information
, that is to say, that the first scheduling control information can be combined in preference of the present invention and the second scheduling control information completes data
The final scheduling controlling of resource in transmission unit, it is of course also possible to independently pass through the first scheduling control information, the second scheduling
Control information completes the final scheduling controlling of resource in data transmission unit.But the present invention is not precluded from, and in some cases first
Scheduling control information or the second scheduling control information it is default, such as under scheduling information omission pattern, when a certain first scheduling control
Information processed or the second scheduling control information and a certain first scheduling control information or the second scheduling control information of its transmission previous
When identical, then support to omit the scheduling control information for sending and repeating.In implementation process, the first scheduling control information and the second scheduling
The division of control information can follow certain criterion, to balance dispatch efficiency of transmission and signaling consumption.Set forth below is
One scheduling controlling and the second scheduling information details division one embodiment, but also support simultaneously other criteria for classifying and
The first scheduling control information and the particular content of the second scheduling control information divided according to other criterions.According to resource allocation week
The difference of phase, the first resource allocation cycle to scheduling control information to be sent and specific resource distinguish, and judge whether to need
The resource allocation cycle of different stage is split as, such as scheduling control information to be sent is used as the first scheduling control information,
Scheduling control information to be sent is split as first as the second scheduling control information or by scheduling control information to be sent
Scheduling control information and the second scheduling control information.
Scheduling control information to be sent is split as the first scheduling control information and the second scheduling control information next, working as
In the case of, the content of the first scheduling control information and the second scheduling control information to the different stage in preference of the present invention into
Row explanation.Required whole scheduling informations of data transmission unit can be adjusted mainly by first in time slot in the ad hoc network of broadband
The the second scheduling control information classification spent in control information and data slot control channel is sent, wherein first in time slot
Scheduling control information mainly carries the first scheduling controlling resource scheduling information of itself；And/or the second control in data transmission unit
The scheduling information of resource processed；And/or the scheduling information of the different data time slot of different user distribution.In data slot control channel
Second scheduling control information is mainly carried for detailed scheduling information required in the scheduled time slot of each user；And/or number
According to the scheduling information of the second scheduling controlling resource in transmission unit, (information is normally placed in the first scheduling information, but also (portion
Point) can be placed in the second scheduling information.).Wherein, the scheduled time slot of the user refers to that user is adjusted by demodulation first
Data slot in the allocated one or more frames spent control information and obtained.
Resource scheduling information in first scheduling control information mainly includes：
The indication information of-the first scheduling controlling resource
- MCS configuration informations (can be different from the first control resource)
- coding, interleave parameter configuration information
- power information
- optional, the scheduling information that part first controls resource can also be included, design parameter can be same as above.(the first control
Comprising outside the first scheduling control information in resource, there are other control information, such as system message, system configuration etc..)
Resource scheduling information in second scheduling control information mainly includes：
The physical resource indication information of-the second scheduling resource
- MCS configuration informations
- coding, interleave parameter configuration information
- power information
- optional, the scheduling information that part second controls resource can also be included, design parameter can be same as above.(the second control
The information sent in resource can only include the second scheduling control information, but also be not excluded for sending other outside the second scheduling resource
Control information.)
The distribution information of data transmission unit mainly includes in first scheduling control information：
User's scheduling information corresponding to-each uplink/downlink digital data transmission unit (includes at least resource occupation position
It puts, entry-into-force time information etc.)
The relevant information in-each data field neutron data domain, such as subdata domain number, size etc.
- other
The related distribution information of the data transmission unit is sent using the forms of broadcasting as the first scheduling control information, Suo Youjie
Receiving user can receive, and check whether the scheduling information of oneself, if so, then the in the first scheduling control information
Sequential relationship between one scheduling control information and the second scheduling control information finds the second scheduling controlling in the corresponding frame that comes into force
Information.
Detailed scheduling information required in the scheduled time slot of user mainly includes in second scheduling control information：
The relevant information in-each data slot neutron data domain, such as subdata domain number, size etc.
- time slot is distributed per subdata time slot MCS
The relevant parameters configurations such as-time slot or subdata domain coding, code check, intertexture
- HARQ correlations (optional, according to HARQ concrete schemes)
- power control (upstream data time slot)
- other
Wherein, the physical resource indication information of some scheduling informations, such as the second scheduling control information, in data transmission unit
The subdivision of the relevant information or the information content in subdata domain, you can as the first scheduling control information, can also be used as
Two scheduling control informations, depending on specific implementation.
The resource distribution location of first scheduling control information is fixed；Alternatively, the resource of the first scheduling control information point
It is indicated with position by signaling；Specifically, the resource that the first scheduling control information and the second scheduling control information are sent is in the first control
Distribution (scheduling information uses the size and starting point of resource) in resource processed and the second control resource (can be carried by predefined
Preceding fixed allocation) or configured in advance by signaling be easy to act as before or after continue the specific of the first scheduling resource or the second scheduling resource
Distribution.
The resource distribution location of first scheduling control information is designated as high-level signaling, wherein, first scheduling controlling
The resource distribution location of information is notified by the high-level signaling in the previous frame of place frame；Alternatively, the resource of the first scheduling control information
Dispensing position is designated as physical layer signaling；The high-level signaling can be the MAC layer or RRC (R adio on physical layer
Resource Control) layer signaling.
The resource distribution location of second scheduling control information is fixed used physical transmission channel；Alternatively, the second scheduling controlling
The resource distribution location of information is indicated by the first scheduling control information and/or the second scheduling control information itself；Alternatively, second adjusts
Outside the resource distribution location of degree control information is by first scheduling control information and/or the second scheduling control information itself
Other physical layers or high-level signaling instruction.
The resource distribution location of first scheduling control information includes the first scheduling control information the starting in resource
Position and resource size；
The resource distribution location of second scheduling control information includes the second scheduling control information the starting in resource
Position and resource size.
It specifically, will be to be sent according to scheduling control information content to be sent, required frequency, scheduling resource distribution etc.
Scheduling control information by it is following it is any in a manner of sent：
-- using scheduling control information to be sent as the first scheduling control information, sent on time slot；
-- using scheduling control information to be sent as the second scheduling control information, sent in data slot control channel；
-- scheduling control information to be sent is split as the first scheduling control information, the second scheduling control information, is existed respectively
It is sent on broadcast domain time slot and data slot control channel.
The dispatch of above-mentioned classification according to specific transfer resource configure and carry, it may be considered that be designed as high-level signaling or
Physical layer signaling transmits, and the first scheduling control information in the time slot is sent with high-level signaling or sent out with physical layer signaling
It send, correspondingly, the first scheduling control information in the time slot is received with high-level signaling or received with physical layer signaling；Institute
The second scheduling control information stated in data slot control channel is sent with physical layer signaling, correspondingly, the data slot control
The second scheduling control information in channel processed is received with physical layer signaling.Wherein, high-level signaling refers to the RRC signaling on physical layer
Or MAC signalings.Specific design is as follows：
The data slot control channel for needing to carry the second scheduling control information is designed as physical layer signaling.In view of number
The scheduling control information carried according to slot control channel is when indicating the same data comprising the data slot control channel
Reception/the transmission in subsequent subdata domain, delay requirement are higher in gap, it is desirable that when frame comes into force, therefore be designed as physical layer signaling can
Effectively solve delay problem.To realize physical signalling transmission, data slot control channel needs independent physical layer channel design,
Distribute or configure specific physical layer resources, transmission, coding, interleaving scheme, clear and definite MCS selections.The design advantage is can have
Effect improves signaling and comes into force time delay, but is disadvantageous in that and introduces independent physical layer process, add certain complexity and
Physical layer signaling expense.
On the first scheduling control information carried in time slot, in a preference, carried in time slot
Scheduling control information is designed as high-level signaling.The scheduling control information carried in time slot can individually or with other it is same when
The broadcast message (such as system configuration information) carried in gap is incorporated as high level data transmission, similar with data information transfer；And
Without the resource allocation of physical layer independence, coding, intertexture.The program using high-level signaling transmission the advantage is that can effectively be subtracted
Few physical layer resources (channel) configuration, simplifies design, reduces physical layer signaling expense.As high-level signaling, physical layer be difficult
It when frame solves signaling content, generally can most come into force soon in lower frame, the delay of signaling processing time can be slightly long；But when the signaling entry-into-force time
(namely minimum dispatching cycle) was less than in the case of the correlated time of channel, i.e., in the scene that scheduling will not frequently change, signaling processing
Time delay influences performance limited.
On the first scheduling control information carried in time slot, in another preference, carried in time slot
The first scheduling control information be designed as physical layer signaling.The first scheduling control information carried in time slot can individually or with
The broadcast message carried in other same time slots is incorporated as physical layer control signaling transmission.The program needs physical layer design to match somebody with somebody
It closes, distributes special physical layer transport channel, consider the operations such as distinctive CRC, channel coding.Compared to the side as high-level signaling
Case, when being carried by physical layer signaling, signaling most soon can be when frame obtains and comes into force, and processing delay shortens, but cost is to introduce
Relative complex physical layer design and processing.It is shorter (for comparing dispatching cycle, such as that the program is suitable for the correlated time of channel
Dispatching cycle is a frame), the more sensitive scene of scheduling is conducive to the promotion of scheduling performance.
Thus, it is contemplated that the relation between the correlated time of channel and dispatching cycle, the time slot of frame where being used to implement
The scheduling information that itself (including the first scheduling control information) decoding needs, can be sent with physical layer signaling；Where being used to implement
The scheduling information that the time slot decoding of frame subsequent frame needs, can be sent with physical layer or high-level signaling.
In preference, the first scheduling control information can continuously transmit or not in containing the successive frame including first frame
It continuously transmits, the second scheduling control information can continuously transmit on containing the data transmission unit in the successive frame including first frame
Or discontinuous transmission.
Specifically, after one first scheduling control information and/or one second scheduling control information are sent, when subsequent frame or number
It is controlled according to another first scheduling control information in transmission unit and/or another second scheduling control information with described one first scheduling
When information processed and/or identical one second scheduling control information, by it is following it is any in a manner of sent：
In the case of scheduling information omits pattern configurations unlatching, support does not repeat to send the first identical scheduling control information
And/or second scheduling control information；That is, in the case of scheduling information omits pattern configurations unlatching, support in subsequent frame or data biography
Another first scheduling control information and/or another second scheduling control information are not sent in defeated unit；
Scheduling information omit pattern configurations close in the case of, support repeat send the first identical scheduling control information and/
Or second scheduling control information；That is, in the case of scheduling information omits pattern configurations closing, support in subsequent frame or data transmission list
Another first scheduling control information and/or another second scheduling control information are sent in member.
For example, in subsequent frame/data slot of a certain frame/data slot, when the first scheduling control information/second is dispatched
In the case that control information does not change, do not repeat to send the first scheduling control information and/or the second scheduling control information.With
Exemplified by one scheduling control information, if dispatching the 1st He come into force in frame there are the first scheduling control information for user 1 in first frame
2nd data slot, as nothing clearly dispatches termination message in subsequent subframe, it is believed that remain as user 1 in the follow-up frame that comes into force
The the 1st and the 2nd data slot of middle distribution repeats to send the first scheduling control information without again in subsequent frames.
Wherein, the content of the scheduling information omission pattern configurations includes：1) state of scheduling information omission pattern is out
It opens or closes；Which kind of 2) if state is to open, omitted with pattern, such as continuous omission or interval are omitted, interval ginseng
How number configures.
The scheduling information omits pattern configurations and is sent to scheduled use by explicit way with physical layer or high-level signaling
Family；Alternatively, the scheduling information omits pattern configurations is sent to scheduled user by implicit.Wherein, implicit can
To be for example predefined after first scheduling control information and/or second scheduling control information are sent, do not receiving
To before finishing scheduling signaling, it is believed that be that the first scheduling control information and/or the second scheduling control information is omitted.
The present invention also provides a kind of node apparatus of wireless self-organization network corresponding with the signaling control method, bags
It includes：
Dispatch sending module：Selection sends the first scheduling control information and/or second in the first control resource
The second scheduling control information is sent in control resource；
Described first controls the time slot that resource is first frame；
Described second controls resource to be passed for scheduled one or more data in the subsequent frame of first frame or first frame
Resource in defeated unit.
The present invention also provides a kind of node apparatus of wireless self-organization network corresponding with the signaling control method, bags
It includes：
Dispatch receiving module：The first scheduling control information is received in the first control resource and/or in the second control
The second scheduling control information is received in resource；
Described first controls the public control resource that resource is first frame；
Described second controls resource to be passed for scheduled one or more data in the subsequent frame of first frame or first frame
Resource in defeated unit.
The present invention also provides a kind of computer readable storage mediums for being stored with computer program, which is characterized in that described
The dispatch control method in the node apparatus of the wireless self-organization network is realized when computer program is executed by processor
Step.
Further, the preferred embodiment of the present invention is illustrated below.
Frame where first scheduling control information is known as to send frame (n), wherein, (n) represents n-th frame.By the first scheduling
The frame that control information comes into force is known as the frame (n+k) that comes into force, wherein, (n+k) represents the n-th+k frames, and k is natural number.That is, the
The transmission frame (n) of one scheduling control information and the frame (n+k) that comes into force have certain time relation, this relation has several collocation methods：
1) predefine；2) by directly being indicated in the first scheduling control information by signaling, user equipment (UE) (User
Equipment) if being properly received the first scheduling control information, can be directly obtained from the first scheduling control information this
One scheduling control information comes into force in which frame；3) other independent physical layers or high-level signaling notice.
There is logical relation between first scheduling control information and the second scheduling control information.Logical relation therein is driven
Move the sending method of two layers of dispatch.First scheduling control information includes one or more users to number in one or more frames
According to the distribution information of transmission unit；User can be informed in it and come into force frame (n+k) in scheduling after the first scheduling control information is received
Inside whether it is scheduled.If be scheduled for, the ID (Index) of scheduled data slot is explicitly indicated in the first scheduling control information
Information.Second scheduling control information knows the first scheduling control information and explicitly in which data transmission unit of which frame for user
It searches and is demodulated needed for the data sheet transmission unit after scheduled, in the slot control channel in the scheduled data transmission slots
Other scheduling informations, i.e. the second scheduling control information is to come into force in the scheduled frame that the first scheduling control information indicates in frame
Data transmission slots in second control resource in scheduling information.Above-mentioned is the hair from the point of view of solution scheduling information
It send similar.
In addition, the sequential on the first scheduling control information and the second scheduling control information, the first scheduling control information and
Second scheduling control information can be in same frame, such as the first scheduling control information and the second scheduling control information all pass through
Physical layer message is sent；First scheduling control information and the second scheduling control information can also be respectively in different frames, different frame
Corresponding sequential relationship wants prior notice UE, so that UE can accurately combine the first scheduling controlling in different scheduling controlling resources
Information and the second scheduling control information complete data dispatch and decoding.
Wherein, the second scheduling control information is substantially all in the frame that comes into force, when frame is effective.First scheduling information, due to variation frequency
Degree is preferably lower than the variation frequency of the second scheduling control information, more suitable for scheduling information is supported to omit pattern.But the first scheduling
Control information and/or the second scheduling control information support scheduling information to omit pattern.
For example, in the ad hoc network of broadband, receive user at frame (n-k), k is natural number, time slot the first scheduling
Obtained in control information resource on frame n whether scheduled scheduling grant information (Scheduling Grant).It is if scheduled
Arrive, receive user can which of further getting frame n (a little) data slots are scheduled in scheduling control information information,
Wherein, should the message that is scheduled for of which (a little) data slot can be that time slot in frame (n-k) passes through physical layer scheduling
It is that signaling is sent or being sent by time slot in frame (n-k) by high-level scheduling signaling.If receiving user obtains frame
The scheduling control information of dispatching downlink/upstream data time slot on n, it tries in the downlink/upstream data being accordingly dispatched to
Gap receives downlink or sends upstream data.User is received before specifically receiving downlink or sending upstream data time slot, it is necessary first to
By the content of decoding/encoding data slot control channel, follow-up data decoding/encoding is related in data slot where obtaining
Specific control information (see the message content of data slot control channel).In success coding/decoding data slot control channel
After content, the reception/transmission in the subdata domain in each data slot is completed according to instruction.
If user there is no the License Info being scheduled on frame n, do not go to attempt to connect in the data slot in frame n
It transmits/receives and send any data packet.
For the signaling of the scheduling resource indicated in time slot, if the signaling of the instruction scheduling resource is in the physics of frame n
Layer transmission, then can most come into force in frame n soon, realize that control signaling needed for scheduling information itself decoding is given birth to when frame in time slot
Effect；If by frame (n-k), k is natural number, in high-level signaling transmission, and the scheduling control information of time slot itself is in frame n
It comes into force, specific entry-into-force time and propagation delay time, the propagation time is related to processing delay, can most come into force soon in frame (n-k+1).
It is successfully decoded in frame (n-k) signaling on the middle and senior level after the scheduling control signaling in relation to time slot itself, helps user in the frame n that comes into force
The middle control message decoded in its time slot is in itself.
The advantages of of the invention specific, is：
1) realize according to different scheduling information frequency, scheduling control information resource allocation, realize in WiMAX ad hoc network
Frame, data slot, subdata domain different dimensions scheduling information fractionation and utilize difference on different controls resources (channel)
Signaling type hierarchical transmission.
I) according to scheduling information logical relation, scheduling information is split as：Distribution to data slot entirety and to data
The scheduling of resource in time slot, includes the scheduling in internal data subdata domain.
Ii) scheduling control information of above-mentioned classification is sent in different scheduling controlling resources respectively, such as time slot and
It is sent in the control channel of data slot.
Iii) first or second scheduling controlling message is supported to be sent with different type signaling, such as physical layer signaling or high-rise letter
Order.
2) hierarchical transmission of dispatch can handle complexity with active balance physical layer signaling and high-rise control signaling is prolonged
The problem of slow.Without complicated physical layer descending control channel, control signaling format design can be dispatched by high-rise bearing part and believed
Order, signaling delay can increase, but in the case where dispatching insensitive scene, performance influences very limited.
3) physical layer control signaling design is simplified, if a large amount of dispatch are concentrated to send in physical layer certainly will increase physics
Layer control channel design difficulty, thus complicated search problem may be caused.
If dispatch concentrates on physical layer transmission, for different transmission mode, it is necessary to strictly design different physics
Layer signaling format, designing scheme is complicated, and search complexity is higher.It is sent by being classified, high-level signaling realizes simple, physical layer control
Channel format design processed simplifies, and resource allocation is clearly (in scheduled slot control channel), and then avoid searching strip
Complexity.
4) partial scheduling signaling is shared by high-level signaling, can effectively reduces physical layer scheduling control signaling expense.
If dispatch is all carried by physical layer, every signaling is required for independent CRC, coding, rate-matched, opens
Sell larger.Partial scheduling information is shared by high level, can effectively reduce physical layer signaling expense.
5) the scheduling information search range of physical layer user is reduced, reduces power consumption.
It is blind in PDCCH channels compared to needs to search whether have the scheduling information of oneself, elapsed time, power resource, this hair
Bright to put data slot assignment information in time slot, all users can obtain, and be searched without blind.It is carried in its time slot
Scheduling information is limited, therefore, time slot will not be transmitted and cause very big burden.
One skilled in the art will appreciate that except realizing dress provided by the invention in a manner of pure computer readable program code
It puts, beyond module, it completely can be by the way that method and step be carried out programming in logic come device provided by the invention, module to patrol
The form of door, switch, application-specific integrated circuit, programmable logic controller (PLC) and embedded microcontroller etc. is collected to realize identical journey
Sequence.So device provided by the invention, module are considered a kind of hardware component, and it is used to implement to what is included in it
The device of various programs, module can also be considered as the structure in hardware component；Can also by be used to implement various functions device,
Module is considered as either the software program of implementation method can be the structure in hardware component again.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make a variety of changes or change within the scope of the claims, this not shadow
Ring the substantive content of the present invention.In the case where there is no conflict, the feature in embodiments herein and embodiment can arbitrary phase
Mutually combination.
Claims (14)
1. a kind of dispatch control method in node apparatus of wireless self-organization network, which is characterized in that including：
Dispatch forwarding step：Selection sends the first scheduling control information in the first control resource and/or in the second control
The second scheduling control information is sent in resource；
Described first controls the public control resource that resource is first frame；
Described second controls resource as scheduled one or more data transmission lists in the subsequent frame of first frame or first frame
Control resource in member.
2. a kind of dispatch control method in node apparatus of wireless self-organization network, which is characterized in that including：
Dispatch receiving step：The first scheduling control information is received in the first control resource and/or controls resource second
The second scheduling control information of upper reception；
Described first controls the public control resource that resource is first frame；
Described second controls resource as scheduled one or more data transmission lists in the subsequent frame of first frame or first frame
Control resource in member.
3. a kind of node apparatus of wireless self-organization network, which is characterized in that including：
Dispatch sending module：Selection sends the first scheduling control information in the first control resource and/or in the second control
The second scheduling control information is sent in resource；
Described first controls the public control resource that resource is first frame；
Described second controls resource as scheduled one or more data transmission lists in the subsequent frame of first frame or first frame
Control resource in member.
4. a kind of node apparatus of wireless self-organization network, which is characterized in that including：
Dispatch receiving module：The first scheduling control information is received in the first control resource and/or controls resource second
The second scheduling control information of upper reception；
Described first controls the public control resource that resource is first frame；
Described second controls resource as scheduled one or more data transmission lists in the subsequent frame of first frame or first frame
Control resource in member.
5. the node apparatus described in dispatch control method according to claim 1 or 2 or claim 3 or 4, special
Sign is that the resource allocation cycle of the first scheduling control information is more than the resource allocation cycle of the second scheduling control information；
The selection refers to the resource allocation cycle according to scheduling control information to be sent, by scheduling control information to be sent with
Following any mode is sent：
-- using scheduling control information to be sent as the first scheduling control information, sent out in the first control resource distributed in frame
It send；
-- using scheduling control information to be sent as the second scheduling control information, in frame in one or more data transmission units
Second control resource on send；
-- scheduling control information to be sent is split as the first scheduling control information, the second scheduling control information, respectively in frame
It is sent in the second control resource in first control resource of distribution, in frame in one or more data transmission units.
6. the node apparatus described in dispatch control method according to claim 1 or 2 or claim 3 or 4, special
Sign is：
First scheduling control information includes following any or appoints a variety of scheduling informations：
-- itself relevant scheduling information of the first scheduling controlling resource；
-- the related scheduling information of data transmission unit in one or more frames of one or more user's distribution；
-- the scheduling information of the second scheduling controlling resource in data transmission unit；
It is the frame that comes into force that frame itself, which is sent, as the subsequent frame of come into force frame or transmission frame；Wherein, the transmission frame refers to the first scheduling
Frame where control information, the frame that comes into force refer to the frame that the first scheduling control information comes into force；
Which frame is that the come into force configuration mode of frame includes following any mode：
-- it is predefined；
-- by being indicated in the first scheduling control information by signaling；
-- other physical layer signalings or high-level signaling notice in the first scheduling control information outside signaling.
7. dispatch control method according to claim 6 or node apparatus, it is characterised in that：
Second scheduling control information for certain user in the frame that comes into force as the scheduled number indicated by the first scheduling control information
According to the scheduling information in the second control resource in transmission unit；
The data transmission unit that second scheduling control information comes into force is the data transmission unit for carrying second scheduling control information.
8. dispatch control method according to claim 6 or node apparatus, which is characterized in that send frame itself to come into force
First scheduling control information of frame is sent with physical layer signaling；The subsequent frame for sending frame is the first scheduling control information of frame of coming into force
It is sent with physical layer signaling or is sent with high-level signaling；
Second scheduling control information is in frame or the frame that comes into force is sent.
9. the node apparatus described in dispatch control method according to claim 1 or 2 or claim 3 or 4, special
Sign is：
First scheduling control information includes following any or appoints a variety of scheduling informations：
-- the scheduling information of the first scheduling controlling resource itself of the subsequent frame of first frame or first frame；
-- the distribution information of the data transmission unit in the subsequent frame of first frame or first frame；
-- the scheduling information of the second scheduling controlling resource in the subsequent frame of first frame or first frame；
Second scheduling control information include carry second scheduling control information data transmission unit scheduling information and/
Or include the scheduling information of the second control resource in data transmission unit；
First scheduling control information is sent with high-level signaling or is sent with physical layer signaling；
Second scheduling control information is sent with physical layer signaling.
10. dispatch control method according to claim 9 or node apparatus, it is characterised in that：
The scheduling information that the first scheduling control information itself decoding of frame where being used to implement needs, is sent with physical layer signaling；
The scheduling information that the decoding of first scheduling control information of frame subsequent frame where being used to implement needs, with high-level signaling or object
Layer is managed to send.
11. the node apparatus described in dispatch control method according to claim 1 or 2 or claim 3 or 4, special
Sign is,
The resource distribution location of first scheduling control information is fixed；Alternatively, the resource allocation position of the first scheduling control information
It puts and is indicated by signaling；
The resource distribution location of first scheduling control information is designated as high-level signaling, wherein, first scheduling control information
Resource distribution location by the previous frame of place frame or place frame high-level signaling indicate；Alternatively, the first scheduling control information
Resource distribution location is indicated by physical layer signaling in the previous frame of place frame or place frame；Alternatively, the money of the first scheduling control information
Source dispensing position combines instruction by the physical layer in the previous frame of place frame or place frame or high-level signaling；
The resource distribution location of second scheduling control information is fixed used physical transmission channel；Alternatively, the second scheduling control information
Resource distribution location indicated by the first scheduling control information and/or the second scheduling control information；Alternatively, the second scheduling controlling is believed
The resource distribution location of breath is believed by other physical layers outside first scheduling control information and/or the second scheduling control information
Order instruction, high-level signaling instruction or other physical layer signalings and high-level signaling combine instruction.
12. the node apparatus described in dispatch control method according to claim 1 or 2 or claim 3 or 4, special
Sign is：
After one first scheduling control information and/or one second scheduling control information are sent, when subsequent frame or data transmission unit
In another first scheduling control information and/or another second scheduling control information and one first scheduling control information and/
Or one second scheduling control information it is identical when, by it is following it is any in a manner of sent：
Scheduling information is omitted in the case of pattern configurations open, support do not repeat to send the first identical scheduling control information and/or
Second scheduling control information；
Scheduling information is omitted in the case of pattern configurations close, and supports to repeat to send the first identical scheduling control information and/or the
Two scheduling control informations.
13. dispatch control method according to claim 12 or node apparatus, it is characterised in that：
Scheduling information omits pattern configurations and is sent to scheduled user by explicit way with physical layer or high-level signaling；Alternatively,
Scheduling information omits pattern configurations and is sent to scheduled user by implicit.
14. a kind of computer readable storage medium for being stored with computer program, which is characterized in that the computer program is located
Manage the step of realizing the dispatch control method any one of 1,2 or 5-13 of claim when device performs.
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| CN202011299767.0A CN112291859B (en) | 2017-11-08 | 2017-11-08 | Node device of wireless self-organizing network, scheduling control method and medium |
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| WO2021259183A1 (en) * | 2020-06-23 | 2021-12-30 | 维沃移动通信有限公司 | Control signaling acquisition method and apparatus, control signaling sending method and apparatus, terminal, and network side device |
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| ZTE: "Resource Allocation of D2D communication", 《3GPP TSG-RAN WG1 MEETING #74 BIS R1-134308》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112425228A (en) * | 2018-07-13 | 2021-02-26 | 中兴通讯股份有限公司 | Method and apparatus for resource indication |
| WO2021259183A1 (en) * | 2020-06-23 | 2021-12-30 | 维沃移动通信有限公司 | Control signaling acquisition method and apparatus, control signaling sending method and apparatus, terminal, and network side device |
| WO2023206467A1 (en) * | 2022-04-29 | 2023-11-02 | Lenovo (Beijing) Limited | Method and apparatus for harq-ack enhancement |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112383967B (en) | 2022-04-26 |
| CN112291859A (en) | 2021-01-29 |
| CN108124315B (en) | 2021-04-06 |
| CN112291859B (en) | 2022-07-08 |
| CN112383967A (en) | 2021-02-19 |
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