CN103188146B - Sending and receiving method and device of continuous data package - Google Patents

Sending and receiving method and device of continuous data package Download PDF

Info

Publication number
CN103188146B
CN103188146B CN201110459504.6A CN201110459504A CN103188146B CN 103188146 B CN103188146 B CN 103188146B CN 201110459504 A CN201110459504 A CN 201110459504A CN 103188146 B CN103188146 B CN 103188146B
Authority
CN
China
Prior art keywords
field
packet
compression
mac frame
information
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201110459504.6A
Other languages
Chinese (zh)
Other versions
CN103188146A (en
Inventor
杨国瑞
张兴新
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to CN201110459504.6A priority Critical patent/CN103188146B/en
Priority to PCT/CN2012/087158 priority patent/WO2013097654A1/en
Publication of CN103188146A publication Critical patent/CN103188146A/en
Application granted granted Critical
Publication of CN103188146B publication Critical patent/CN103188146B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
    • H04L1/0079—Formats for control data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/04—Protocols for data compression, e.g. ROHC
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

The invention provides a sending and receiving method and a device of a continuous data package. The method for sending the continuous data package comprises the following steps that a first station sends a compressing request to a second station, wherein the compressing request carries flow identification and field information of a medial access control (MAC) frame header of a follow-up data package; a compressing response sent by the second station is received; and a first data package including an integrated MAC frame header or a compressing MAC frame header with flow fields is sent to the second station, wherein the flow fields comprise the flow identification. According to the sending and receiving method and the device of continuous data package, field length of the MAC frame header of the continuous data package can be effectively compressed, unnecessary expenditure of the continuous data package is saved, utilization efficiency of information channel media resources is improved, and energy conservation of sending stations is benefited. In addition, the MAC frame header field with changes can be flexibly processed, and flexibility of using is improved.

Description

A kind of sending, receiving method and device of continuous data bag
Technical field
The present invention relates to the communications field, more particularly to a kind of method and apparatus of continuous data transfer bag.
Technical background
802.11 technologies of IEEE are that multiple physical layers (Physical layer, abbreviation PHY) formulate a general medium Access control layer (Medium access control, abbreviation MAC) is with the construction of specification WLAN.Wherein medium access It is that multiple websites in same network set up addressing and channel access control mechanism that the main task of key-course is exactly so that multi-site Between communication be possibly realized.
Communication between website with packet packet configuration as elementary cell, its described packet packet configuration such as Fig. 1 institute Show, wherein short training field (Short traning field, abbreviation STF) and long training field (Long traning Field, abbreviation LTF) for the lead code of packet, the former is used to be grouped detection, the automatic growth control (Automatic for starting Gain control, abbreviation AGC) setting, initial frequency drift estimation and initial time synchronization；The latter is used for channel estimation, essence True Frequency offset estimation and time synchronized.Signaling field is used to indicate packet rates and length information of packet etc..Service Field for synchronizing with descrambler, fill for afterbody with filling by content of the data field comprising mac frame, afterbody.
Mac frame generally comprises three parts, mac frame head (MAC header), the frame (Frame body) of variable-length With Frame Check Sequence (Frame check sequence, letter make FCS).Mac frame head field successively include frame control field, when Length/id field, 1 field of address, 2 field of address, 3 field of address, Sequence Control field, 4 field of address, QoS (Quality of Service, implies that service quality) control field, HT (High Throughput, imply that high-throughput) control field.In MAC In frame header fields, first three field is the field that all mac frames can all occur, and remaining field is then determined by the parameter of frame control field It is fixed.
In the application scenarios of 802.11ah, most packet is the parcel of 64～128 bytes, but complete mac frame head Information will at most take 36 bytes, and for the multiple parcels for continuously transmitting, its mac frame header may just the same, example Such as address information, QoS information or HT information, greatly waste will be caused to media resource.
For such case, a kind of prior art is proposed using the continuous multiple packet phases of traffic identifier (Flow ID) mark Same mac frame header, such as address information, QoS information or HT information, in the multiple packets for continuously transmitting, using more The traffic identifier of short byte replaces corresponding mac frame header, can not only save the expense to media resource, additionally aid transmission Website energy-conservation.
Fig. 2 illustrates the transmitting procedure of the continuous data bag of the prior art.Transmitting station (STA1) and receiving station first Point (STA2) carries out frame head control data frame (abbreviation HC-REQ, corresponding to Header control request) and frame head control Response frame (abbreviation HC-RESP, corresponding to Header control response) is exchanged, and consults the mac frame header of continuous bag Mark traffic identifier, the traffic identifier can identify address information (Address1/2/3/4), QoS information or HT information etc., receive Website preserves the mac frame header of traffic identifier and its mark in local storage unit；Consult traffic identifier to finish between its secondary site Afterwards, transmitting station sends the compressed data packets for carrying traffic identifier to receiving station, the compressed format of the packet as shown in figure 3, Receiving station obtains the compressed data packets mac frame header from local storage unit according to traffic identifier；Last transmitting station is sent out A tail frame (TAIL frames) notice is sent to terminate the use of traffic identifier.
As shown in figure 3, the compressed format of continuous data bag, its mac frame head field is only comprising frame control information, traffic identifier letter Breath and sequence control information, wherein length of the length (TBD, to be defined) of traffic identifier less than complete mac frame head field, can be effective Saving transmission when expense to media resource.
However, the problem of the prior art mainly has, one is that the information identified by the traffic identifier consulted between website is all It is fixed, if it is continuous wrap in there is the situation of information change, what QoS control fields and the traffic identifier of such as bag were identified When QoS control fields are different, then traffic identifier is unavailable when this bag is transmitted, and needs to renegotiate traffic identifier or sends complete Data packet format, the application of traffic identifier lack flexibility ratio；Two be terminate traffic identifier application when, need exchange TAIL/ACK frames, will Take more channel resources；Three be traffic identifier length it is to be defined, also exist compression mac frame head field space.
The content of the invention
In view of this, to solve the above problems, the present invention proposes that effectively solving continuously wraps the solution of transmission flexibility ratio.
In a first aspect, the embodiment of the present invention provides a kind of method for sending continuous data bag.The method includes：First stop O'clock compression request is sent to the second website, the compression request carries the media access control of traffic identifier and follow-up data bag The field information of mac frame head；Receive the compression response of the second website transmission；Send comprising complete mac frame head to the second website or First packet of the person comprising the compression mac frame head with stream field, wherein, the stream field includes traffic identifier.
In second aspect, the present invention provides a kind of method that first website receives continuous data bag.The method includes：First Website is sent comprising the first packet to the second website, and first packet carries complete configured information and/or the first compression Negotiation information；The response message that the second website feeds back the first packet is received, the second compression negotiation letter in response message is obtained Breath.
In the third aspect, the embodiment of the present invention provides a kind of website.The website includes：First transmitting element, to second station Point sends compression request, and the compression request carries the word of the media access control mac frame head of traffic identifier and follow-up data bag Segment information；Receiving unit, receives the compression response that the second website sends；Second transmitting element, sends to the second website and has included Whole mac frame head or the first packet comprising the compression mac frame head with stream field, wherein, the stream field is included fails to be sold at auction Know.
In fourth aspect, the embodiment of the present invention provides a kind of website.The website includes：Transmitting element, sends out to the second website Send comprising the first packet, first packet carries complete configured information and/or the first compression negotiation information；Receive single Unit, receives the response message that the second website feeds back the first packet, obtains the second compression negotiation information in response message.
Various embodiments of the present invention can be effectively compressed the mac frame head field length of continuous data bag, save continuous data bag Unnecessary expense, not only improve channel medium resource utilization ratio, additionally aid transmitting station energy-conservation；In addition sweetly disposition There is the mac frame head field of change, improve the flexibility ratio for using.
Description of the drawings
Fig. 1 is 802.11 packet packet configuration；
Fig. 2 illustrates a kind of transmitting procedure of the continuous data bag of prior art；
Fig. 3 is the compressed format of prior art continuous data bag；
Fig. 4 illustrates the services set of WLAN；
Fig. 5 is the transfer process figure of packet between website according to a first embodiment of the present invention；
Fig. 6 illustrates the data packet format comprising compression mac frame head in embodiment one；
Fig. 7 is the transmission schematic diagram of the continuous data bag of embodiment one；
Fig. 8 be according to embodiments of the present invention two website between packet transfer process figure；
Fig. 9 illustrates the data packet format comprising compression mac frame head in embodiment two；
Figure 10 is the transmission schematic diagram of the continuous data bag of embodiment two；
Figure 11 is the schematic flow sheet of according to embodiments of the present invention three transmission continuous data bag；
Figure 12 is the schematic flow sheet of according to embodiments of the present invention three reception continuous data bag；
Figure 13 illustrates the data packet format comprising compression mac frame head in embodiment three；
Figure 14 is the transmission schematic diagram of continuous data bag in embodiment three；
Figure 15 is the schematic flow sheet of according to embodiments of the present invention four transmission continuous data bag；
Figure 16 is the schematic flow sheet of according to embodiments of the present invention four reception continuous data bag；
Figure 17 illustrates the data packet format comprising compression mac frame head in example IV；
Figure 18 is the transmission schematic diagram of continuous data bag in example IV；
Figure 19 is a kind of structural representation of website according to embodiments of the present invention；
Figure 20 is a kind of structural representation of website according to embodiments of the present invention.
Specific embodiment
Fig. 4 illustrates WLAN (WLAN：Wireless local area network) various services sets.Its Middle Basic Service Set (BSS：Basic service set) by a certain particular coverage within, and the station associated with certain Point STA is constituted.BSS2 and BSS3 shown in Fig. 4 is such Basic Service Set.There is in BSS networks full-time administrative BSS Central location be referred to as access point AP (Access point), and other site STAs in the network are all associated with it. Distributed system (DS crosses in multiple BSS Netcoms：Distribution system) it is connected with each other (ESS：Extended service set).In the case where AP is lacked, site STA can also ad-hoc network and it is mutually directly logical Letter, this network are independent basic service set (IBSS：Independent basic service set), such as BSS1.
Hereafter by the biography of the packet introduced by taking site STA 1 and STA2 as an example in various embodiments of the present invention between each website Defeated situation.It may be noted that each embodiment is not only equally applicable to the transmission of the packet between other websites, it is applied equally to The transmission of packet between other types of sites beyond Fig. 4.
Embodiment one
The present embodiment is related to a kind of transmission method of continuous bag.Referred to by arranging stream compressed-bit and stream field in the packet Show whether this bag is transmitted, indicated the MAC identified by multiple mac frame head fields and traffic identifier of this bag with traffic identifier compressed format Whether frame header fields information is identical, devises a kind of scheme for improving traffic identifier application flexibility ratio.
Fig. 5 be according to embodiments of the present invention one website between packet transfer process figure.
As shown in figure 5, in step S500, transmitting station STA1 sends compression request message to receiving station STA2, described Compression request message can be but not limited to frame head control data frame (HC-REQ frames), and its carrying belongs to the mark of continuous data bag The identical mac frame head field information of the continuous data bag identified by label-traffic identifier Flow ID and traffic identifier.
The mac frame head field information can be address field information (address 1, address 2, address 3, address 4), QoS controls A kind of or their combination in any in field information processed or HT control information.
In step S501, receiving station STA2 receives the compression request message, locally preserves the described of its carrying and fails to be sold at auction Know the mac frame head field information of Flow ID and traffic identifier institute labelling, and compression response message is sent to transmitting station STA1, refer to Show that traffic identifier is consulted successfully, the compression response message can be but not limited to frame head control response frame (HC-RESP frames).
In step S502, transmitting station STA1 receives the compression response message, local to preserve the traffic identifier Flow for consulting The mac frame head field of ID and traffic identifier institute labelling, will of failing to be sold at auction negotiation step are completed.
In step S503, transmitting station STA1 determines whether the use for terminating traffic identifier Flow ID, if it is determined that terminate stream The use of mark, then execution step S514, otherwise execution step S504.
In step S504, transmitting station STA1 determines whether the mac frame head field of packet can be replaced with traffic identifier, if Determine that the mac frame head field of packet can be replaced with traffic identifier, then execution step S505；Otherwise execution step S506；
In step S505, it is 1 that transmitting station STA1 arranges the stream compressed-bit of signaling field in packet, packet carrying package Compression mac frame head containing stream field；The stream field includes traffic identifier.The stream compressed-bit is that 1 instruction notebook data bag is included The mac frame head of compression, is that 0 instruction notebook data bag includes complete mac frame head.
It may be noted that certain indicating bit represents the indicating bit effectively for 1 in this manual, indicating bit represents the instruction for 0 Position is invalid, unless separately particularly shown.
In one example, the stream field not only contains traffic identifier, and includes time domain/id field indicating bit, address 3 One kind of field indicating bit, 4 field indicating bit of address, QoS control fields indicating bit or HT control field indicating bits or they Combination in any.
If (1-1), packets need time domain/id field is indicated, it is 1 to arrange time domain/id field indicating bit, in compression Occur time domain/id field in mac frame head, corresponding parameter is set；It is 0 otherwise to arrange time domain/id field indicating bit, in compression Default time domain/id field in mac frame head.
If (1-2), the frame control field of packet indicates there is 3 field of address, and 3 field information of address and traffic identifier 3 field information of address of institute's labelling is different, and it is 1 to arrange 3 field indicating bit of address, in compression mac frame head 3 word of address occurs Section, indicates that receiving station obtains 3 field information of address from compression mac frame head；It is 0 otherwise to arrange 3 field indicating bit of address, 3 field of default addresses for use in compression mac frame head.
If (1-3), the frame control field of packet indicates there is 4 field of address, and 4 field information of address and traffic identifier 4 field information of address of institute's labelling is different, and it is 1 to arrange 4 field indicating bit of address, in compression mac frame head 4 word of address occurs Section, indicates that receiving station obtains 4 field information of address from compression mac frame head；It is 0 otherwise to arrange 4 field indicating bit of address, 4 field of default addresses for use in compression mac frame head.
If (1-4), the frame control field of packet indicates there is QoS control fields, and QoS control fields information and stream The QoS control fields information of mark institute labelling is different, and it is 1 to arrange QoS control fields indicating bit, is occurred in compression mac frame head QoS control fields, indicate that receiving station obtains QoS control field information from compression mac frame head；QoS control words are otherwise set Section indicating bit is 0, the default QoS control fields in compression mac frame head.
(1-5), if the frame control field of packet indicates there is HT control fields, and HT control fields information with fail to be sold at auction The HT control fields information for knowing institute's labelling is different, and it is 1 to arrange HT control fields indicating bit, occurs HT controls in compression mac frame head Field processed, indicates that receiving station obtains HT control field information from compression mac frame head；HT control field indicating bits are otherwise set For 0, the default HT control fields in compression mac frame head.
Fig. 6 illustrates a kind of data packet format for carrying compression mac frame head.Except including conventional short training field, long instruction Practise handwriting section, service field and afterbody and fill outside field, packet introduces stream compressed-bit in signaling field.At the same time, number Stream field is introduced in data field according to bag, stream field includes traffic identifier, and time domain/id field indicating bit, 3 field of address refer to Show position, 4 field indicating bit of address, QoS control field indicating bits, HT control field indicating bits etc..As seen from Figure 6, due to the bag Frame control field indicate there is QoS control fields, and the QoS control field information of QoS control fields and traffic identifier institute labelling Difference, so the QoS control fields indicating bit in stream field is 1, and except frame control, stream in compression mac frame head (Flow) outside field, Sequence Control field, there are corresponding QoS control fields, compared with complete mac frame head, length substantially contracts It is little.
It may be noted that, although Fig. 6 gives the particular location of stream compressed-bit, but wherein flows compressed-bit and can be arranged on not It is same as the other parts of signaling field, such as frame control field.
In step S506, it is 0 that transmitting station STA1 arranges the stream compressed-bit of the signaling field in packet, indicates packet Complete mac frame head is carried, packet includes complete mac frame head.
In step S507, transmitting station STA1 sends packet.
In step S508, receiving station STA2 receiving data bags.
In step S509, whether effectively receiving station STA2 judges the stream compressed-bit of the signaling field in packet, if The stream compressed-bit of the signaling field in packet is effective, then execution step S510, otherwise execution step S511.
In step S510, receiving station STA2 obtains stream field information and traffic identifier therein in mac frame head field； According to traffic identifier, the default mac frame head field information of this bag is searched from local storage unit.
Additionally, according to stream field in time domain/id field indicating bit, 3 field indicating bit of address, 4 field indicating bit of address, One kind or their combination in any of QoS control fields indicating bit or HT control field indicating bits, obtains the complete MAC of packet Frame header fields information.
If (2-1), time domain/id field indicating bit is 1, the time domain/id field from compression mac frame head obtains data The time domain of bag/id field information, does not otherwise obtain time domain/id field information.
If (2-2), 3 field indicating bit of address is 1,3 field of address from compression mac frame head obtains packet 3 information of address；Address 3 information of packet is obtained from local storage unit otherwise.
If (2-3), 4 field indicating bit of address is 1,4 field of address from compression mac frame head obtains packet 4 information of address；Address 4 information of packet is obtained from local storage unit otherwise.
If (2-4), QoS control fields indicating bit is 1, the QoS control fields from compression mac frame head obtain data The QoS control information of bag；The QoS control information of packet is obtained from local storage unit otherwise.
If (2-5), HT control fields indicating bit is 1, the HT control fields from compression mac frame head obtain packet HT control information；The HT control information of packet is obtained from local storage unit otherwise.
By above-mentioned field indicating bit, can there is the mac frame head field of change, improve with sweetly disposition in the embodiment of the present invention The flexibility ratio for using.
In step S511, receiving station STA2 obtains the complete mac frame head field letter of packet from complete mac frame head Breath.
In step S512, receiving station STA2 is to transmitting station feedback data packet response message.
In step S513, transmitting station STA1 receives the response message of the packet.
In step S514, transmitting station STA1 sends stream end to receiving station STA2.
In step S515, receiving station STA2 receives the stream end, deletes failing to be sold at auction for local storage unit preservation Know the mac frame head field information with its mark, and terminate response message to transmitting station STA1 feedback flow；
In step S516, transmitting station STA1 receives the stream and terminates response message, deletes what local storage unit was preserved The mac frame head field information of traffic identifier and its mark.
Fig. 7 is the schematic diagram of the continuous data bag of embodiment one.As shown in fig. 7, transmitting station STA1 sends HC-REQ asking Ask；Receiving station STA2 is responded with HC-RESP, and preserves the mac frame head field information of traffic identifier and its labelling.Dispatching station Point STA1 receive HC-RESP response hinterland supervention send packet DATA1；DATA2 (QoS=1)；…；DATA3.Receiving station Point STA2 is responded with ACK.Finally, transmitting station STA1 sends TAIL frames；Receiving station STA2 is responded with ACK, together When delete the mac frame head field of traffic identifier and its labelling.
Embodiment two
The present embodiment is related to a kind of transmission method of continuous bag.Referred to by arranging stream compressed-bit and stream field in the packet Show whether this bag is transmitted, indicated the word identified by multiple mac frame head fields and traffic identifier of this bag with traffic identifier compressed format After whether segment information is identical, instruction is originally bundled into the work(end of transmission, whether traffic identifier is continuing with, and devises a kind of raising traffic identifier Using the scheme of flexibility ratio.Different from where embodiment one being, embodiment two is using the stream stop bits in stream field come generation For stream end frame.
Fig. 8 be according to embodiments of the present invention two website between packet transfer process figure.
As shown in figure 8, in step S800, transmitting station STA1 sends compression request message to receiving station STA2, described Compression request message can be but not limited to frame head control data frame (HC-REQ frames), carrying belong to the label of continuous data bag- The identical mac frame head field information of traffic identifier Flow ID and the identified continuous data bag of traffic identifier.
The mac frame head field can be address field information (address 1, address 2, address 3, address 4), QoS control words A kind of or their combination in any in segment information or HT information.
In step S801, receiving station STA2 receives the compression request message, locally preserve its carrying traffic identifier and The mac frame head field of traffic identifier institute labelling, and to transmitting station STA1 feedback compression response message, the compression response message can To be but not limited to frame head control response frame (HC-RESP frames), indicate that traffic identifier is consulted successfully.
In step S802, transmitting station STA1 receives the compression response message, local to preserve the traffic identifier and stream consulted The mac frame head field information of mark institute labelling, traffic identifier negotiation step are completed.
In step S803, transmitting station STA1 determines whether the mac frame head field of packet can be replaced with traffic identifier；If The mac frame head field of packet can be replaced with traffic identifier, then execution step S804, otherwise execution step S805.
In step S804, it is 1 that transmitting station STA1 arranges the stream compressed-bit of signaling field in packet, packet carrying package Compression mac frame head containing stream field, the stream field include traffic identifier.The stream compressed-bit is 1 instruction packet carrying package Compression mac frame head containing stream field, is that 0 instruction packet includes complete mac frame head.
In one example, the stream field not only contains traffic identifier, and includes time domain/id field indicating bit, address 3 Field indicating bit, 4 field indicating bit of address, QoS control field indicating bits, one kind of HT control field indicating bits or their group Conjunction form.
If (3-1), packets need time domain/id field is indicated, it is 1 to arrange time domain/id field indicating bit, in compression Occur time domain/id field in mac frame head, corresponding parameter is set；It is 0 otherwise to arrange time domain/id field indicating bit, in compression Default time domain/id field in mac frame head.
If (3-2), the frame control field of packet indicates there is 3 field of address, and 3 field information of address and traffic identifier 3 field information of address of institute's labelling is different, and it is 1 to arrange 3 field indicating bit of address, in compression mac frame head 3 word of address occurs Section, indicates that receiving station obtains 3 field information of address from compression mac frame head；It is 0 otherwise to arrange 3 field indicating bit of address, 3 field of default addresses for use in compression mac frame head.
If (3-3), the frame control field of packet indicates there is 4 field of address, and 4 field information of address and traffic identifier 4 field information of address of institute's labelling is different, and it is 1 to arrange 4 field indicating bit of address, in compression mac frame head 4 word of address occurs Section, indicates that receiving station obtains 4 field information of address from compression mac frame head；It is 0 otherwise to arrange 4 field indicating bit of address, 4 field of default addresses for use in compression mac frame head.
If (3-4), the frame control field of packet indicates there is qos field, and QoS control fields information and traffic identifier The QoS control fields information of institute's labelling is different, and it is 1 to arrange QoS control fields indicating bit, occurs QoS controls in compression mac frame head Field processed, indicates that receiving station obtains QoS control field information from compression mac frame head；Otherwise arrange QoS control fields to indicate Position is 0, the default QoS control fields in compression mac frame head.
(3-5), if the frame control field of packet indicates there is HT control fields, and HT control fields information with fail to be sold at auction The HT control fields information for knowing institute's labelling is different, and it is 1 to arrange HT control fields indicating bit, occurs HT controls in compression mac frame head Field processed, indicates that receiving station obtains HT control field information from compression mac frame head；HT control field indicating bits are otherwise set For 0, the default HT control fields in compression mac frame head.
In step S806, whether transmitting station STA1 terminates traffic identifier use after determining packet Successful transmissions, if really Fixed number is used according to end traffic identifier after bag Successful transmissions, then execution step S808；Otherwise execution step S807；
In step S807, the stream stop bits (TAIL positions) that transmitting station STA1 arranges packet is invalid, indicates receiving station Delete the mac frame head field information of the traffic identifier and traffic identifier institute labelling of local storage unit preservation；The stream stop bits can be with It is configured in but is not limited to flow field.
In step S808, transmitting station STA1 is arranged and the stream stop bits (TAIL positions) of packet is effective, indicates receiving station Point continues the mac frame head field information for preserving local traffic identifier and traffic identifier institute labelling.
Fig. 9 illustrates the data packet format for compressing mac frame head field.Except including conventional short training field, long training word Outside section, service field and afterbody and filling field, packet introduces stream compressed-bit in signaling field.At the same time, packet Stream field is introduced in data field, stream field includes traffic identifier, and time domain field indicating bit, 3 field indicating bit of address, 4 field indicating bit of location, QoS control field indicating bits, HT control field indicating bits, TAIL indicating bits etc..As seen from Figure 9, due to The frame control field of the bag indicates there is QoS control fields, and the QoS control fields of QoS control fields and traffic identifier institute labelling Information is different, so the QoS control fields indicating bit in stream field is 1, and the immediately corresponding QoS controls after stream field Field, compared with complete mac frame head, length is obviously reduced.
It may be noted that, although Fig. 9 gives the particular location of stream compressed-bit, but stream compressed-bit can be arranged on and be different from The other parts of signaling field, such as frame control field.
In step S805, it is 0 that transmitting station STA1 arranges the stream compressed-bit of the signaling field in packet, and packet is carried Complete mac frame head.
In step S809, transmitting station STA1 sends packet.
In step S810, receiving station STA2 receiving data bags.
In step S811, whether effectively receiving station STA2 judges the stream compressed-bit of the signaling field in packet, if The stream compressed-bit of the signaling field in packet is effective, then execution step S812, otherwise execution step S813.
In step S812, receiving station STA2 obtains stream field information and traffic identifier therein in mac frame head field； According to traffic identifier, the complete mac frame head field of searching data bag from local storage unit.
Additionally, being referred to according to the time domain in mac frame head field/id field indicating bit, 3 field indicating bit of address, 4 field of address Show position, QoS control field indicating bits, one kind of HT control field indicating bits or their combination in any, obtain the complete of this bag Mac frame head field information.
If (4-1), time domain field indicating bit is 1, the time domain/id field from compression mac frame head obtains packet Time domain/id field information.
If (4-2), 3 field indicating bit of address is 1,3 field of address from compression mac frame head obtains packet 3 information of address；Address 3 information of packet is obtained from local storage unit otherwise.
If (4-3), 4 field indicating bit of address is 1,3 field of address from compression mac frame head obtains packet 4 information of address；Address 4 information of packet is obtained from local storage unit otherwise.
If (4-4), QoS control fields indicating bit is 1, the QoS control fields from compression mac frame head obtain data The QoS control information of bag；The QoS control information of packet is obtained from local storage unit otherwise.
If (4-5), HT control fields indicating bit is 1, the HT control fields from compression mac frame head obtain packet HT control information；The HT control information of packet is obtained from local storage unit otherwise.
By above-mentioned field indicating bit, can there is the mac frame head field of change, improve with sweetly disposition in the embodiment of the present invention The flexibility ratio for using.
Additionally, receiving station STA2 obtains the stream stop bits information of packet, if stream stop bits is effectively, delete local The mac frame head field indicated by the traffic identifier and traffic identifier that memory element is preserved；Otherwise continue to preserve local storage unit preservation Traffic identifier and traffic identifier institute labelling mac frame head field.
In step S813, receiving station STA2 obtains the complete mac frame head field letter of packet from complete mac frame head Breath.
In step S814, the response message of receiving station STA2 feedback data packets.
In step S815, the response message of transmitting station STA1 receiving data bag, if ending message is flowed in packet had Effect, then delete the mac frame head field indicated by the traffic identifier and traffic identifier of local storage unit preservation；No person continues to keep local The mac frame head field of the traffic identifier and traffic identifier institute labelling of memory element.
Figure 10 is the schematic diagram of the continuous data bag of embodiment two.As shown in Figure 10, transmitting station STA1 sends HC-REQ Request；Receiving station STA2 is responded with HC-RESP, and preserves the mac frame head field of traffic identifier and its labelling.Transmitting station STA1 receive HC-RESP response hinterland supervention send packet DATA1 (TAIL=0)；DATA2 (QoS=1, TAIL= 0)；…；DATA3 (TAIL=0).Receiving station STA2 is responded with ACK.Finally, transmitting station STA1 sends DATA4, its Middle TAIL=1；Receiving station STA2 is responded with ACK, while the mac frame head field for deleting traffic identifier and its labelling is believed Breath.
It may be noted that above about the field information in the description of embodiment one and embodiment two, indicated by Flow ID Keep constant in the corresponding continuous data packet stream of the mark, but, the field information indicated by Flow ID also can be to carry out Immediate updating.It is explained as a example by S812 and S815 the step of embodiment two below.
In step S812, (4-2)-(4-5) adjust as follows：
If (5-2), 3 field indicating bit of address is 1,3 field of address from compression mac frame head obtains packet 3 information of address, at the same preserve in updating local storage unit, 3 information of address of traffic identifier institute labelling；Otherwise from locally stored Unit obtains 3 information of address of packet.
If (5-3), 4 field indicating bit of address is 1,4 field of address from compression mac frame head obtains packet 4 information of address, at the same preserve in updating local storage unit, 4 information of address of traffic identifier institute labelling；Otherwise from locally stored Unit obtains 4 information of address of packet.
If (5-4), QoS control fields indicating bit is 1, the QoS control fields from compression mac frame head obtain data The QoS control information of bag, at the same preserved in updating local storage unit, the QoS control information of traffic identifier institute labelling；Otherwise The QoS control information of packet is obtained from local storage unit.
If (5-5), HT control fields indicating bit is 1, the HT control fields from compression mac frame head obtain packet HT control information, while update local storage unit in preserved, the HT control information identified by traffic identifier；Otherwise from this Ground memory element obtains the HT control information of packet.
In step S815, its adjustment is as follows：
The response message of transmitting station STA1 receiving data bag, if ending message is flowed in packet effectively, deletes this The mac frame head field indicated by the traffic identifier and traffic identifier that ground memory element is preserved；Otherwise wrapped according to stream field in packet The field indicating bit for containing updates the mac frame head field information of local storage unit traffic identifier institute labelling：
If it is 1 (6-1), to flow 3 field indicating bit of address in field, 3 field of address from compression mac frame head is obtained 3 information of address of packet, and update the address 3 that 3 information of address of traffic identifier institute labelling is compression mac frame head in packet Field information；3 Information invariability of address of traffic identifier institute labelling is kept otherwise；
If it is 1 (6-2), to flow 4 field indicating bit of address in field, 3 field of address from compression mac frame head is obtained 4 information of address of packet, and update the address 4 that 4 information of address of traffic identifier institute labelling is compression mac frame head in packet Field information；4 Information invariability of address of traffic identifier institute labelling is kept otherwise；
If it is 1 (6-3), to flow QoS control fields indicating bit in field, the QoS control fields from compression mac frame head The QoS control information of packet is obtained, and updates the QoS control information of traffic identifier institute labelling mac frame to be compressed in packet The QoS control field information of head；Otherwise keep the QoS control information of traffic identifier institute labelling constant；
If it is 1 (6-4), to flow HT control fields indicating bit in field, the HT control fields from compression mac frame head are obtained Fetch data the HT control information of bag, and to update the HT control information of traffic identifier institute labelling be mac frame head to be compressed in packet HT control field information；Otherwise keep the HT control information of traffic identifier institute labelling constant.
Embodiment three
The transmission method of another kind of continuous data bag of the present embodiment protection.Transmitting station and receiving station are indicated through consultation A kind of position, it is determined that the transformat of next packet, there is provided scheme of more efficient compression mac frame head.
Figure 11 is the schematic flow sheet of according to embodiments of the present invention three transmission continuous data bag.
As shown in figure 11, flow process is from the beginning of step S1100.
In step S1101, transmitting station STA1 is ready for sending packet.
In step S1102, transmitting station STA1 judges whether the packet is destined to the consecutive numbers of receiving station STA2 First packet according to bag, if it is switchs to step S1104, otherwise switchs to step S1103.
In step S1103, transmitting station parses the previous response message for being sent to the packet for receiving website STA2, obtains Take the compression negotiation position of the response bag.
In step S1105, transmitting station STA1 judges whether the compression negotiation position of the response bag of previous packet is effective. If it is valid, switching to step S1107, otherwise switch to step S1106.
In step S1106, the packed field information that transmitting station STA1 is preserved in emptying local storage unit is then turned to Step S1104.
In the packed field Information invariability that step S1107, transmitting station STA1 are preserved in maintaining local storage unit.
In step S1104, it is 1 that transmitting station STA1 arranges the complete indicating bit of packet, and packet includes complete MAC Frame head, the complete indicating bit indicate that notebook data bag includes complete mac frame head.
The compression negotiation position can be in the packet signaling field arrange, or frame control field in the packet Arrange, its position does not limit.
In step S1108, packed field information of transmitting station STA1 in complete mac frame head is locally preserved.
In step S1109, it is 0 that transmitting station STA1 arranges the complete indicating bit of packet, MAC of the packet comprising compression Frame head, the complete indicating bit indicate mac frame head of the notebook data bag comprising compression.
In step S1110, during transmitting station STA1 judges the mac frame head of next continuous data bag, whether specific fields may be used The specific fields preserved with memory element replace, if step S1111 can be switched to, otherwise switch to step S1112.
In step S1111, it is 1 that transmitting station STA1 arranges compression negotiation position, indicates that transmitting station STA1 sends next Individual continuous data bag is by comprising the mac frame head for compressing.
The compression negotiation position can be in the packet signaling field arrange, or frame control field sets in the packet Put, its position does not limit.
In step S1112, it is 0 that transmitting station STA1 arranges compression negotiation position, indicates that transmitting station STA1 sends next Individual continuous data bag is by comprising complete mac frame head.
In step S1113, transmitting station STA1 sends the packet.
Figure 12 is the schematic flow sheet of according to embodiments of the present invention three reception continuous data bag.
As illustrated, flow process is from the beginning of step 1200.
In step S1201, receiving station STA2 receiving data bags.
In step S1202, receiving station STA2 judges whether the complete indicating bit in packet is effective.If it is valid, Switch to step S1204, otherwise switch to step S1203.
In step S1203, receiving station STA2 obtains the complete mac frame head field information of packet from mac frame head.
In step S1204, receive the mac frame head specific fields letter that website STA2 obtains packet from local storage unit Breath.
In step S1205, receiving station STA2 judges whether the compression negotiation position in packet is effective.If it is valid, Switch to step S1206, otherwise switch to step S1207.
In step S1206, receiving station STA2 decides whether to agree to that next packet includes compression mac frame head.If Agree to, then switch to step S1208, switch to step S1209 if disagreeing.
In step S1208, receiving station STA2 preserves the specific fields information in mac frame head in local storage unit, and The compression negotiation position for arranging response message is 1, indicates that receiving station STA2 prepares to receive the packet comprising compression mac frame head.
In step S1207, receiving station STA2 empties specific fields information in the mac frame head that local storage unit is preserved, And arrange response message compression negotiation position be 0, indicate receiving station STA2 do not receive comprising compression mac frame head packet.
In step S1209, receiving station STA2 sends response message.
Figure 13 illustrates the data packet format comprising compression mac frame head in embodiment three.Except the short training including routine is practised handwriting Section, long training field, service field and afterbody with filling field outside, packet also introduce in signaling field complete indicating bit and Compression negotiation position.At the same time, packet introduces compression mac frame head, frame and FCS in data field, wherein compressing mac frame Head only includes frame control field and Sequence Control field.It is clear that now the mac frame head length of packet is compared with before To significantly compressing.
Figure 14 is the transmission schematic diagram of continuous data bag in embodiment three.As shown in figure 14, transmitting station STA1 has sent Entire data bag 1, wherein complete indicating bit is 1, compression negotiation position is 0.Receiving station STA2 receives packet 1, responds response Message ACK frame, the compression negotiation position for arranging response bag are 0, and instruction does not receive the packet comprising compression mac frame head.
Transmitting station STA1 sends complete data packet 2, wherein complete indicating bit and compression negotiation position are 1.Receiving station STA2 receives packet 2, responds response message ACK frames, and the compression negotiation position for arranging response bag is 0, and instruction is not received and included The packet of compression mac frame head.
Transmitting station STA1 sends complete data packet 3, wherein complete indicating bit and compression negotiation position are 1.Receiving station STA2 receives packet 3, responds response message ACK frames, and the compression negotiation position for arranging response bag is 1, indicates to receive comprising pressure The packet of contracting mac frame head.
Transmitting station STA1 sends compressed data packets 4, wherein complete indicating bit is for 0, and compression negotiation position is 1.Receiving station STA2 receives packet 4, responds response message ACK frames, and the compression negotiation position for arranging response bag is 1, and instruction continues to bag Packet containing compression mac frame head.
Transmitting station STA1 sends compressed data packets 5, wherein complete indicating bit is for 0, and compression negotiation position is 1.Receiving station STA2 receives packet 5, responds response message ACK frames, and the compression negotiation position for arranging response bag is 1, and instruction continues to bag Packet containing compression mac frame head.
Transmitting station STA1 sends compressed data packets 6, wherein complete indicating bit and compression negotiation position are 0.Receiving station STA2 receives packet 6, responds to respond ACK, while it is 0 to arrange compression negotiation position, instruction does not continue to receive comprising pressure The packet of contracting mac frame head.
In the present embodiment, according to effective situation of each indicating bit to corresponding word in locally stored mac frame head field Duan Jinhang immediate updatings (referring to S1208 the step of S1108 the step of Figure 11 and Figure 12).But, another feasible scheme is, Although each indicating bit is effective, locally stored mac frame head field keeps constant.
Example IV
The present embodiment with the difference of embodiment three is, comprising pressure in continuous data bag is comprising compression mac frame head Contracting control field, compression control field include 3 field indicating bit of address, 4 field indicating bit of address, QoS control fields and indicate Position and HT control one kind or combinations thereof form of indicating bit etc., there is provided a kind of compression mac frame head, and the side of flexible Application Case.
Figure 15 is the schematic flow sheet of the according to embodiments of the present invention four continuous bag of transmission.Figure 15 and Figure 11 are essentially identical, Thus like step is represented using identical sequence number.The difference is that only step S1507 and step S1509.
In step S1507, the compression compression negotiation position of the response message as previous packet is judged in step S1105 Effectively, then the specific fields information for preserving in local storage unit continues to preserve or updates.The update method is, if previous In the compression control field of individual packet, field indicating bit effectively, then updates corresponding field information in storage element. For example in previous packet, QoS control fields indicating bit is 1, then according to the QoS control field information in the packet to depositing In storage unit, QoS control fields information is updated.
In step S 1509, transmitting station STA1 prepares the number for including compression mac frame head for intending to receiving station sending According to bag.The compression mac frame head includes compression control field, and the compression control field includes multiple field indicating bits, Indicate each concrete field, such as time domain field indicating bit, 3 field indicating bit of address, 4 word of address in mac frame head specific fields Section indicating bit, QoS control field indicating bits, HT control field indicating bits etc..
If (12-1), notebook data bag time domain field can not be default, it is 1 to arrange time domain field indicating bit, in compression MAC Occur time domain field in frame head, the corresponding time is set；It is 0 otherwise to arrange time domain field indicating bit, is lacked in compression mac frame head Save time domain field.
If (12-2), in notebook data bag, frame control indicates that this bag has 3 field of address, and 3 field information of address and sheet 3 field information of address in specific fields that ground memory element is preserved is different, and it is 1 to arrange 3 field indicating bit of address, in pressure Occur 3 field of address in contracting mac frame head, indicate that receiving station obtains 3 field of address letter from the compression mac frame head of notebook data bag Breath；It is 0 otherwise to arrange 3 field indicating bit of address, 3 field of default addresses for use in compression mac frame head.
If (12-3), in notebook data bag, frame control indicates that this bag has 4 field of address, and 4 field information of address and sheet 4 field information of address in specific fields that ground memory element is preserved is different, and it is 1 to arrange 4 field indicating bit of address, in pressure Occur 4 field of address in contracting mac frame head, indicate that receiving station obtains 4 field of address letter from the compression mac frame head of notebook data bag Breath；It is 0 otherwise to arrange 4 field indicating bit of address, 4 field of default addresses for use in M compression AC frame heads.
If (12-4), in notebook data bag, frame control indicates that this bag has QoS control fields, and QoS control field information QoS control field information in preserved from local storage unit, specific fields is different, arranges QoS control field indicating bits For 1, there are QoS control fields in compression mac frame head, indicate that receiving station is obtained from the compression mac frame head of notebook data bag QoS control field information；It is 0 otherwise to arrange QoS control fields indicating bit, the default QoS control fields in compression mac frame head.
(12-5), if in notebook data bag, frame control indicates that this bag has a HT control fields, and HT control fields information and HT control fields information in local storage unit is preserved, specific fields is different, and it is 1 to arrange HT control fields indicating bit, There are HT control fields in compression mac frame head, indicate that receiving station obtains HT controls from the compression mac frame head of notebook data bag Field information；It is 0 otherwise to arrange HT control fields indicating bit, the default HT control fields in mac frame head field.
Figure 16 is the schematic flow sheet of according to embodiments of the present invention four reception continuous data bag.The basic phases of Figure 16 and Figure 12 Together, thus like step is represented using identical sequence number.Figure 16's and Figure 12 the difference is that only step 1603 and step 1608, i.e., how to obtain the spy in field information and local storage unit in the mac frame head of the packet comprising compression mac frame head Determine field information.
In step 1603, as the complete indicating bit of the signaling field in packet is 0, then receiving station STA1 is from compression Mac frame head or local storage unit obtain the field information in the mac frame head of the packet.
If (13-1), time domain field indicating bit is 1 in compression control field, time domain is obtained from compression mac frame head Field information.
If (13-2), in compression control field, 3 field indicating bit of address is 1, the address 3 from compression mac frame head Field obtains 3 information of address of notebook data bag；Address 3 information of notebook data bag is obtained from local storage unit otherwise.
If (13-3), in compression control field, 4 field indicating bit of address is 1, the address 4 from compression mac frame head Field obtains 4 information of address of notebook data bag；Otherwise local storage unit obtains 4 information of address of notebook data bag.
If (13-4), in compression control field, QoS control fields indicating bit is 1, the QoS from compression mac frame head Control field obtains the QoS control information of notebook data bag；Otherwise local storage unit obtains the QoS control information of this bag.
HT controls if (13-5), HT control fields indicating bit is 1 in compression control field, from compression mac frame head Field processed obtains the HT control information of notebook data bag；Otherwise local storage unit obtains the HT control information identified by traffic identifier.
In step 1608, due to step S1206, receiving station STA1 agrees to transmitting station STA2 by next packet bag The mac frame head containing compression, then receiving station STA1 is local preserves or updates specific fields information in mac frame head, and arranges response bag Compression negotiation position be 1.If complete indicating bit is effectively, memory element is set up, and preserves the specific word in complete mac frame head Segment information；If complete indicating bit is invalid, if field indicating bit effectively, is being deposited in the compression control field of notebook data bag Corresponding field information is updated in storage unit unit, is not otherwise updated.For example in notebook data bag, QoS control field indicating bits are 1, then QoS control fields information in memory element is carried out according to the QoS control fields information in the data packet compressing mac frame head Update.HT control fields indicating bit is 0, then the HT control field information in memory element does not update.
Figure 17 illustrates the data packet format comprising compression mac frame head in example IV.As shown in figure 14, except including conventional Short training field, long training field, outside service field and afterbody and filling field, packet has also been introduced in signaling field Whole indicating bit and compression negotiation position.At the same time, packet introduces compression mac frame head, frame and FCS in data field, its Described in compress mac frame head and control comprising frame control, compression control, sequence control and QoS, due in compression control field QoS control fields indicating bit is 1, therefore in compression mac frame head QoS control fields occurs；It is clear that mac frame head field is long Degree obtains significant compression compared with before.
Figure 18 is the transmission schematic diagram of continuous bag in example IV.Figure 18 and Figure 14 are essentially identical, difference be In Figure 18, in the compressed data packets 5 that transmitting station STA1 sends, the QoS control fields included in compression control field are indicated Position is 1, shows QoS control fields are included in the compression mac frame head.
Figure 19 is a kind of structural representation of website according to embodiments of the present invention.As shown in figure 19, website 1900 includes： First transmitting element 1910, sends compression request to the second website, and the compression request carries traffic identifier and follow-up data bag Media access control mac frame head field information；Receiving unit 1920, receives the compression response that the second website sends；Second Transmitting element 1930, sends comprising complete mac frame head or comprising the compression mac frame head with stream field the to the second website One packet, wherein, the stream field includes traffic identifier.
Preferably, carry in the first packet and flow configured information, the stream configured information is configured in signaling field or frame In control field；The stream configured information indicates that the first packet is complete mac frame head packet or the compression comprising stream field The packet of mac frame head.
Preferably, the stream field also includes：Time domain/id field indicating bit, 3 field indicating bit of address, 4 field of address refer to Show position, QoS control field indicating bits, one or more in HT control field indicating bits；The time domain/id field indicating bit, 3 field indicating bit of address, 4 field indicating bit of address, QoS control field indicating bits, HT control field indicating bits indicate respectively which Whether it is located in the first packet comprising corresponding field.
Preferably, the website includes updating block, for according to 3 field indicating bit of address, 4 field indicating bit of address, One or more in QoS control field indicating bits, HT control field indicating bits, update the local corresponding field information for preserving.
Preferably, the stream field includes flowing stop bits；The stream stop bits is used to indicate whether to terminate making for traffic identifier With.
Preferably, field information be 3 field of address, 4 field of address, QoS control fields or HT control fields one kind or Their combination in any.
Figure 20 is a kind of structural representation of website according to embodiments of the present invention.As shown in figure 20, website 2000 includes： Transmitting element 2010, sends comprising the first packet to the second website, first packet carry complete configured information and/or First compression negotiation is believed；Receiving unit 2010, receives the response message that the second website feeds back the first packet, obtains response message In the second compression negotiation information.
Preferably, the complete configured information indicates whether the first packet carries complete mac frame head, when complete instruction When information is effective, first packet carries complete mac frame head；The complete configured information is configured in the first packet Signaling field or frame control field.
Preferably, the first compression negotiation information indicates whether to send the second website immediately the first packet and include Second packet of compression mac frame head；Signaling field or frame control of the first compression negotiation information configuration in the first packet Field processed.
Preferably, the website includes：Judging unit, before the first packet is sent to the second website, judges first Whether packet is destined to the second website and is first packet in continuous bag；Setting unit, is to send out in the first packet In the case of giving the second website and being the first bag in continuous bag, the complete configured information for arranging the first packet is effective.
Preferably, website includes：Judging unit, in the first packet is destined to the second website and is not continuous bag In the case of first bag, the response message of the 3rd packet for judging the second website was sent to before the first packet is sent Whether the second compression negotiation message is effective；Setting unit, in the case of the second compression negotiation message is effective, arranges first The complete configured information of packet is invalid；In the case of the second compression negotiation message invalid, the first packet is set Complete configured information is effective.It is further preferred that website includes memory element, in the effective feelings of the second compression negotiation message Under condition, keep the local packed field preserved in mac frame head constant or updated.
Preferably, in the case where the complete configured information for arranging the first packet is invalid, the first transmission bag configuration compression Mac frame head；The compression mac frame head includes frame control field and Sequence Control field, or frame control field, compression control word Section and Sequence Control field.It is further preferred that the compression control field includes time domain/id field indicating bit, 3 field of address One kind of indicating bit, 4 field indicating bit of address, QoS control fields indicating bit or HT control field indicating bits or theirs is any Combination.
It is further preferred that in the case of the complete configured information for arranging the first packet is effective, the first transmission bag is matched somebody with somebody Put complete mac frame head.
Preferably, described website includes：Memory element, the local field information preserved in mac frame head, the field letter Breath is one kind or their combination in any of 3 field of address, 4 field of address, QoS control fields or HT control fields.
Preferably, described website includes：Judging unit, judgement are sent to the second website and immediately following the of the first packet The whether available local field information for preserving mac frame head of the field information of the mac frame head of two packets replaces；Setting unit, when In the case that the available local field information for preserving of the field information of second packet replaces, the pressure of the first packet is set Contracting negotiation message is effective；When the situation that the field information of the unavailable local preservation of the field information of second packet replaces Under, the compression negotiation message invalid of the first packet is set.
Although various embodiments of the present invention have been done with detailed description previously in conjunction with various indicating bits, this area Technical staff understands that these indicating bits can be replaced by the configured information of other forms.
Those skilled in the art should further appreciate that, with reference to the embodiments described herein description The unit and algorithm steps of each example, can with electronic hardware, computer software or the two be implemented in combination in, in order to clear The interchangeability of ground explanation hardware and software, generally describes the composition of each example in the above description according to function And step., actually with hardware or software mode performing, the application-specific and design depending on technical scheme is about for these functions Beam condition.Professional and technical personnel can use different methods to the described function of realization to each specific application, but This realization is it is not considered that beyond the scope of this invention.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention Within god and principle, any modification for being made, equivalent etc. should be included within the scope of the present invention.

Claims (26)

1. it is a kind of send packet method, including：
First website sends compression request to the second website, and the compression request carries the media of traffic identifier and follow-up data bag The field information of access control mac frame head；
Receive the compression response of the second website transmission；
Send comprising complete mac frame head to the second website or the first packet comprising the compression mac frame head with stream field, Wherein, the stream field includes traffic identifier, and the stream field also includes that time domain/id field indicating bit, 3 field of address are indicated One or more in position, 4 field indicating bit of address, QoS control field indicating bits, HT control field indicating bits, the time domain/ Id field indicating bit, 3 field indicating bit of address, 4 field indicating bit of address, QoS control field indicating bits, HT control fields are indicated Whether position includes corresponding field in indicating respectively the first packet which is located；
Stream configured information is carried in first packet, the stream configured information is configured in signaling field or frame control field In；
The stream configured information indicates that the first packet is complete mac frame head packet or the compression mac frame head comprising stream field Packet.
2. the method for claim 1, wherein according to 3 field indicating bit of address, 4 field indicating bit of address, QoS control words One or more in section indicating bit, HT control field indicating bits, update the local corresponding field information for preserving.
3. the method for claim 1, including：
The stream field includes flowing stop bits；The stream stop bits is used to indicate whether to terminate the use of traffic identifier.
4. the method for claim 1, wherein field information is 3 field of address, 4 field of address, QoS control fields or HT One kind of control field or their combination in any.
5. it is a kind of send packet method, including：
First website sends the first packet comprising complete mac frame head or compression mac frame head, and described first to the second website Packet carries complete configured information, or first packet carries complete configured information and the first compression negotiation information, The complete configured information indicates whether the first packet carries complete mac frame head, and the compression mac frame head is controlled comprising frame Field, compression control field and Sequence Control field, wherein, the compression control field comprising time domain/id field indicating bit, One kind of 3 field indicating bit of location, 4 field indicating bit of address, QoS control fields indicating bit or HT control field indicating bits or they Combination in any；The time domain/id field indicating bit, 3 field indicating bit of address, 4 field indicating bit of address, QoS control fields Whether indicating bit, HT control field indicating bits include corresponding field in indicating respectively the first packet which is located；
The response message that the second website feeds back the first packet is received, the second compression negotiation information in response message is obtained；
In the case of the second compression negotiation message is effective, keep the local packed field preserved in mac frame head constant or Updated.
6. method as claimed in claim 5, including：
The complete configured information indicates whether the first packet carries complete mac frame head, when complete configured information is effective, First packet carries complete mac frame head；
The complete configured information is configured in the signaling field or frame control field of the first packet.
7. method as claimed in claim 5, including：
When the first packet includes the first compression negotiation information, the first compression negotiation information is indicated whether to the second website Send immediately the first packet and the second packet comprising compression mac frame head；
Signaling field or frame control field of the first compression negotiation information configuration in the first packet.
8. the method as described in one of claim 5-7, including：
Before the first packet being sent to the second website, judge whether the first packet is destined to the second website and is continuous First packet in bag；The first packet be destined to the second website and first bag in being continuous bag in the case of, if The complete configured information for putting the first packet is effective.
9. the method as described in one of claim 5-7, including：
The first packet be destined to the second website and first bag in not being continuous bag in the case of, judge in transmission first Whether the second compression negotiation message that the response message of the 3rd packet of the second website is sent to before packet is effective；
In the case of the second compression negotiation message is effective, the complete configured information for arranging the first packet is invalid；
In the case of the second compression negotiation message invalid, the complete configured information for arranging the first packet is effective.
10. method as claimed in claim 9, including：
In the case where the complete configured information for arranging the first packet is invalid, the first packet configuration compression mac frame head is described Compression mac frame head includes frame control field, Sequence Control field and compression control field.
11. methods as claimed in claim 9, including：
In the case of the complete configured information for arranging the first packet is effective, the first packet configures complete mac frame head.
12. methods as claimed in claim 11, including：
The local field information preserved in mac frame head, the field information is 3 field of address, 4 field of address, QoS control fields Or one kind or their combination in any of HT control fields.
13. methods as claimed in claim 5, including：
Judgement is sent to the second website and whether the field information immediately following the mac frame head of the second packet of the first packet can use The local field information for preserving mac frame head replaces；
In the case that the available local field information for preserving of the field information of second packet replaces, the first data are set The compression negotiation message of bag is effective；
In the case that the field information of the unavailable local preservation of the field information of second packet replaces, arrange first and count According to the compression negotiation message invalid of bag.
A kind of 14. websites, including：
First transmitting element, sends compression request to the second website, and the compression request carries traffic identifier and follow-up data bag Media access control mac frame head field information；
Receiving unit, receives the compression response that the second website sends；
Second transmitting element, sends comprising complete mac frame head or comprising the compression mac frame head with stream field to the second website The first packet, wherein, the stream field includes traffic identifier, and the stream field also include time domain/id field indicating bit, One or many in 3 field indicating bit of location, 4 field indicating bit of address, QoS control field indicating bits, HT control field indicating bits It is individual, the time domain/id field indicating bit, 3 field indicating bit of address, 4 field indicating bit of address, QoS control field indicating bits, HT Whether control field indicating bit includes corresponding field in indicating respectively the first packet which is located；Take in first packet Band stream configured information, the stream configured information are configured in signaling field or frame control field；The stream configured information indicates the One packet is the packet of complete mac frame head packet or the compression mac frame head comprising stream field.
15. websites as claimed in claim 14, including updating block, for according to 3 field indicating bit of address, address 4 One or more in field indicating bit, QoS control field indicating bits, HT control field indicating bits, update the right of local preservation Answer field information.
16. websites as claimed in claim 14, wherein：
The stream field includes flowing stop bits；The stream stop bits is used to indicate whether to terminate the use of traffic identifier.
17. websites as claimed in claim 14, wherein field information be 3 field of address, 4 field of address, QoS control fields or One kind of HT control fields or their combination in any.
A kind of 18. websites, including：
Transmitting element, sends the first packet comprising complete mac frame head or compression mac frame head, and described the to the second website One packet carries complete configured information, or first packet carries complete configured information and the first compression negotiation letter Breath, the complete configured information indicate whether the first packet carries complete mac frame head, and the compression mac frame head includes frame Control field, compression control field and Sequence Control field, wherein, the compression control field is indicated comprising time domain/id field One kind of position, 3 field indicating bit of address, 4 field indicating bit of address, QoS control fields indicating bit or HT control field indicating bits Or their combination in any；The time domain/id field indicating bit, 3 field indicating bit of address, 4 field indicating bit of address, QoS controls Whether field indicating bit processed, HT control field indicating bits include corresponding field in indicating respectively the first packet which is located；
Receiving unit, receives the response message that the second website feeds back the first packet, obtains the second compression association in response message Business's information, in the case of the second compression negotiation message is effective, keep the local packed field preserved in mac frame head constant or Person is updated.
19. websites as claimed in claim 18, wherein：
The complete configured information indicates whether the first packet carries complete mac frame head, when complete configured information is effective, First packet carries complete mac frame head；
The complete configured information is configured in the signaling field or frame control field of the first packet.
20. websites as claimed in claim 18, wherein：
When the first packet includes the first compression negotiation information, the first compression negotiation information is indicated whether to the second website Send immediately the first packet and the second packet comprising compression mac frame head；
Signaling field or frame control field of the first compression negotiation information configuration in the first packet.
21. websites as described in one of claim 18-20, including：
Judging unit, before the first packet is sent to the second website, judges whether the first packet is destined to second station Point and be first packet in continuous bag；
Setting unit, the first packet be destined to the second website and first bag in being continuous bag in the case of, arrange the The complete configured information of one packet is effective.
22. websites as described in one of claim 18-20, including：
Judging unit, the first packet be destined to the second website and first bag in not being continuous bag in the case of, judge The second compression negotiation message of response message that the 3rd packet of the second website was sent to before the first packet is sent is It is no effective；
Setting unit, in the case of the second compression negotiation message is effective, arranges the complete configured information of the first packet It is invalid；In the case of the second compression negotiation message invalid, the complete configured information for arranging the first packet is effective.
23. websites as claimed in claim 22, including：
In the case where the complete configured information for arranging the first packet is invalid, the first packet configuration compression mac frame head；It is described Compression mac frame head includes frame control field, Sequence Control field and compression control field.
24. websites as claimed in claim 22, including：
In the case of the complete configured information for arranging the first packet is effective, the first packet configures complete mac frame head.
25. websites as claimed in claim 18, including：
Memory element, the local field information preserved in mac frame head, the field information be 3 field of address, 4 field of address, One kind or their combination in any of QoS control fields or HT control fields.
26. websites as claimed in claim 18, including：
Judging unit, judgement is sent to the second website and the field immediately following the mac frame head of the second packet of the first packet is believed The whether available local field information for preserving mac frame head of breath replaces；
Setting unit, in the case that the available local field information for preserving of the field information of second packet replaces, if The compression negotiation message for putting the first packet is effective；When the field of the unavailable local preservation of the field information of second packet The compression negotiation message invalid of the first packet, in the case that information replaces, is set.
CN201110459504.6A 2011-12-31 2011-12-31 Sending and receiving method and device of continuous data package Active CN103188146B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201110459504.6A CN103188146B (en) 2011-12-31 2011-12-31 Sending and receiving method and device of continuous data package
PCT/CN2012/087158 WO2013097654A1 (en) 2011-12-31 2012-12-21 Continuous data packet sending and receiving method and device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201110459504.6A CN103188146B (en) 2011-12-31 2011-12-31 Sending and receiving method and device of continuous data package

Publications (2)

Publication Number Publication Date
CN103188146A CN103188146A (en) 2013-07-03
CN103188146B true CN103188146B (en) 2017-04-26

Family

ID=48679117

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201110459504.6A Active CN103188146B (en) 2011-12-31 2011-12-31 Sending and receiving method and device of continuous data package

Country Status (2)

Country Link
CN (1) CN103188146B (en)
WO (1) WO2013097654A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103491528B (en) * 2013-09-18 2016-05-25 福建星网锐捷网络有限公司 Table entry processing method and equipment
US20150124704A1 (en) * 2013-11-06 2015-05-07 Qualcomm Incorporated Apparatus and methods for mac header compression
WO2016024770A1 (en) 2014-08-10 2016-02-18 엘지전자 주식회사 Method and device for enabling station to receive signal in wireless communication system
US9602635B2 (en) * 2014-10-27 2017-03-21 Intel IP Corporation Wireless device, method, and computer readable media for compressed media access control header
US20160374081A1 (en) * 2015-06-19 2016-12-22 Qualcomm Incorporated Short uplink responses for downlink transmissions
CN108632892B (en) * 2017-03-24 2022-02-25 华为技术有限公司 Wireless communication method, terminal, access network equipment and network system
CN107637123B (en) * 2017-04-27 2020-12-04 北京小米移动软件有限公司 Information transmission method, device and computer readable storage medium
WO2018196102A1 (en) * 2017-04-27 2018-11-01 北京小米移动软件有限公司 Information transmission method and apparatus and computer readable storage medium
CN111091697B (en) * 2019-11-29 2021-08-13 湖北航天飞行器研究所 Telemetry data processing system
CN112312396B (en) * 2020-11-05 2023-02-24 山东云海国创云计算装备产业创新中心有限公司 NoC tracking data generation method and related device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1592272A (en) * 2003-09-04 2005-03-09 国际商业机器公司 Method for header compression
CN101179564A (en) * 2007-08-10 2008-05-14 华中科技大学 Link layer automatic request retransmission based TCP packet header compression method and system thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4331088B2 (en) * 2004-11-01 2009-09-16 株式会社東芝 Communication apparatus and communication method
KR100896686B1 (en) * 2006-06-05 2009-05-14 삼성전자주식회사 Channel allocation management method for transferring uncompressed isochronous data, uncompressed isochronous data transferring method, and apparatus thereof
CA2722857A1 (en) * 2008-04-28 2010-07-22 Xg Technology, Inc. Header compression mechanism for transmitting rtp packets over wireless links
KR101653310B1 (en) * 2009-09-02 2016-09-01 엘지전자 주식회사 Method and Apparatus of transmitting and receiving MAC PDU using a MAC header
CN102104538B (en) * 2010-12-08 2012-07-25 浙江工业大学 Mapping parameter dynamic adaptive wireless streaming media transmission control method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1592272A (en) * 2003-09-04 2005-03-09 国际商业机器公司 Method for header compression
CN101179564A (en) * 2007-08-10 2008-05-14 华中科技大学 Link layer automatic request retransmission based TCP packet header compression method and system thereof

Also Published As

Publication number Publication date
CN103188146A (en) 2013-07-03
WO2013097654A1 (en) 2013-07-04

Similar Documents

Publication Publication Date Title
CN103188146B (en) Sending and receiving method and device of continuous data package
US11464059B2 (en) Acknowledgment data unit for multiple uplink data units
US7415046B2 (en) Method, apparatus and computer programs for multiplexing and/or demultiplexing
JP3949584B2 (en) Method for transmission of data packets over a radio interface of a mobile radio system
CN102781040B (en) Concatenated frame structure for data transfer
US8837420B2 (en) MAC extensions for smart antenna support
EP1864538B1 (en) Method of generating lower layer data block in wireless mobile communicastion system
US7796648B2 (en) Apparatus and method for generating and parsing MAC PDU in a mobile communication system
JP5572220B2 (en) Method and apparatus for transmitting MAC PDU with fragmented packing extension header
KR101005371B1 (en) Wireless bandwidth allocating method and wireless base station
JP5678087B2 (en) Demultiplexing with 802.11 wireless interface
US20070053354A1 (en) Method and system for securing wireless transmission of an aggregated frame
EP2814283B1 (en) Method and device for transmitting/receiving data
US20090323697A1 (en) Data payload transmission via control plane signaling
CN101714896B (en) Communication means
KR102190444B1 (en) System and method for processing of data in a wireless communication system
JP2012507970A (en) Method and apparatus for processing control message for data retransmission request
CN107222890B (en) Method for constructing hidden channel by using characteristics of 4G mobile communication protocol layer
US8189618B2 (en) System and method for robust data loss recovery in a wireless local area network
CN105532059B (en) Configuration indicating method and communication equipment
KR102475870B1 (en) Method and apparatus for processing data in wireless communication system
CN112769743B (en) Header compression method, device and equipment
CN101351033A (en) Data multiplexing method capable of enhancing up access system through multi-carrier
KR20080018055A (en) Method and apparatus for transmitting and receiving packet data
EP2129060B1 (en) Method and relate apparatus for enhancing transmission efficiency in a transmitter of a wireless communication system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant