CN2930121Y - Mesh point for transmitting concatenated frames in wireless communication system - Google Patents
Mesh point for transmitting concatenated frames in wireless communication system Download PDFInfo
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- CN2930121Y CN2930121Y CN 200620100034 CN200620100034U CN2930121Y CN 2930121 Y CN2930121 Y CN 2930121Y CN 200620100034 CN200620100034 CN 200620100034 CN 200620100034 U CN200620100034 U CN 200620100034U CN 2930121 Y CN2930121 Y CN 2930121Y
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- mesh point
- frame
- wireless communication
- communication system
- crossfire
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/54—Store-and-forward switching systems
- H04L12/56—Packet switching systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/24—Multipath
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Small-Scale Networks (AREA)
Abstract
The present invention is related to a method and apparatus for transmitting concatenated frames in a wireless communication system comprising a plurality of mesh points (MPs). In one embodiment, a first MP transmits a data stream to a second MP, wherein the data stream is further transmitted to a third MP as a final destination. The second MP receives the data stream from the first MP. The second MP transmits a concatenated frame to the first and third MPs.
Description
Technical field
The utility model is relevant with wireless communication system, and especially the utility model is relevant with the method and apparatus that carries out chain frame transmission in wireless communication system.
Background technology
Along with the multiple wireless network that wireless technology becomes more and more progress and may exist, WLAN (WLAN) also becomes more and more general.For example, a kind of traditional WLAN may be based on a kind of capital construction system of construction, and it comprises and wireless device communicates and arrange to interrogate the base station of being engaged between wireless device.A kind of traditional form of wireless network is with the Italian type network, and wherein a wireless device communicates with P-2-P technology and one or more extra wireless device, and wireless device dynamically is connected with described network or interrupt from described network.
As a described conventional system architecture and a coupling with the Italian type network, a mesh point can comprise user's set, terminal, access point (AP) and base station, and these are all as the mesh point in the described wireless system (MP).Owing to similarly be the low workability that cover to extend for WLAN, low workability and the low complex degree that the WLAN oneself utilizes, with and height fault tolerant and repeatability, mesh network has obtained to support in standard traffic.
In meshed wireless local area network, then carry out one group of two or more mesh point interconnection by IEEE 802.11 links.Each mesh point on mesh network all receives and transmits the news of itself and is engaged in, simultaneously as the arrangement person of other device or take over a little.
IEEE 802.11 (wireless compatible authentication (WiFi)) standard also specifically indicates the multiple issue support for the asynchronous device part.Multiple issue package comprises described same packet is delivered to the address of trooping more than a destination.This is for being that some some institute by in the described network expects that the situation of reception is useful especially when the particular form (for example crossfire service) of some data traffic.
In WLAN system, the destination of multiple issue may comprise following content: medium access control (MAC) address with the described byte of trooping; Multiple publication medium access control service data unit (MSDU) with a multiple issue destination-address; Multiple publication medium access control protocol data cell (MPDU) or a control frame with a multiple issue receiver address.Therefore, (in infrastructure mode) access point (AP) or (with in the ideotype) platform (STA) or client just utilize a multiple issue destination-address to transmit frame by air interface, and it is then decoded with the described receiver of multiple issue address by subscribing to this service.
In any case it need carry out the transmission of chain frame in a wireless communication system, and be not subjected to the restriction of prior art.
The utility model content
The purpose of this utility model provides that a kind of will to control subframe chain be a transmission frame to carry out the device that chain frame transmits in a wireless communication system.
For achieving the above object, the utility model provides a kind of mesh point that transmits chain frame in wireless communication system, described wireless communication system comprises a plurality of mesh point, described mesh point is used to transmit a chain frame, it is characterized in that described mesh point comprises: a conveyer is used to transmit described chain frame to described a plurality of mesh point; One receiver is used for receiving described chain frame from described a plurality of mesh point; An and processor, itself and described conveyer and receiver coupling also communicate with described conveyer and receiver, wherein said processor is used to control described conveyer, described chain frame is sent to the described a plurality of mesh point in described wireless communication system; And wherein said chain frame comprises an at least one control subframe and a data burst, and it is identified in another mesh point at least in the described wireless communication network.Adopt the mesh point that in wireless communication system, transmits chain frame of the present utility model, can in wireless communication system, carry out the transmission of chain frame expeditiously, and not be subjected to the restriction of prior art.
Description of drawings
Technique scheme general introduction will obtain preferable understanding with follow-up detailed description to the utility model preferred embodiment after reading with reference to the accompanying drawings, wherein:
Fig. 1 shows the wireless communication system according to the utility model assembled;
Fig. 2 is the diagram of posting a letter at the prior art that is used to transmit data in a wireless communication system;
Fig. 3 is the mesh point function block diagram according to the utility model assembled;
Fig. 4 shows according to chain frame structure of the present utility model;
Fig. 5 is for utilizing the chain mesh point that communicates each other of the single release frame diagram of posting a letter according to the utility model;
Fig. 6 is for utilizing the chain mesh point that communicates each other of the multiple issue control subframe diagram of posting a letter according to the utility model; And
Fig. 7 is for utilizing the chain mesh point that communicates each other of multiple issue control and the data burst diagram of posting a letter according to the utility model.
Embodiment
After this, comprise with the mesh point of a wireless transmission/receiving element (WTRU) connection but be not limited to user's configuration, mobile radio station, fixed or portable subscriber unit, calling set or any other device form with operational capacity in wireless environment.In addition, comprise with the mesh point of base station connection but be not limited to a Node B, positioner, access point or any other interface arrangement form in wireless environment.
Feature of the present utility model can be integrated among the integrated circuit (IC), or is used to comprise among the circuit of most interconnecting assemblies.
Fig. 1 shows the wireless communication system 100 according to the utility model assembled.Described wireless communication system comprises most mesh point 110, and it is radio communication each other.
Fig. 2 is the prior art that is used to transmit data in the wireless communication system diagram 200 of posting a letter.The described prior art icon 200 of posting a letter describes to transmit each other the mesh point 1, mesh point 2 and mesh point 3 of signal.Particularly, the data (210) of at first being scheduled to by mesh point 3 transmission mesh point 1 and mesh point 2.The request that transmits of described mesh point 1 sends (RTS) data-signal to mesh point 2 (220).Described mesh point 2 transmits a clear to send (CTS) data-signal to mesh point 1 (230).Described mesh point 1 then transmits its data (240), and mesh point 2 is just informed the described data of reception (ACK) (250).
When this transmission is finished, mesh point 2 request that transmits send data-signal to mesh point 1 (260) to transmit described data (210) from mesh point 3.Described mesh point 1 transmits a clear to send data-signal to mesh point 2 (270).Described mesh point 2 transmits the data that received from mesh point 3 to mesh point 1 (280), and mesh point 1 is just informed and received described data (290).
Fig. 3 is the mesh point 110 function block diagrams according to the utility model assembled.
One typical mp is except comprising described row name assembly, described mesh point 110 ' also comprises in order to the memory 119 that transmits and receive single issue, multiple issue or blazon the processor 115 of chain signal, the receiver 116 of communicate by letter with described processor 115, the conveyer 117 of communicate by letter with described processor 115, communicate by letter with described processor 115, and communicates by letter with the antenna 118 of wireless data transmission and reception between promotion and the described mesh point 110 ' with described receiver 116 and described conveyer 117.
Fig. 4 shows according to chain frame structure 400 of the present utility model.Described chain frame structure 400 comprise a frame control domain 410, during/ differential threshold 420,1 territory, address (430), 2 territories, address (440), frame delineation territory 450, load 460 and a frame monitor value (FCS) 470.Described load 460 can further comprise most subframes.
Described frame control domain 410 comprises a chain frame.Described chain frame comprises and for which mesh point may comprise similarly is the control information of asking transmission, clear to send, informing received signal, management information or data message or the like.In addition, described chain frame can be encoded.For example, can use the mode of single secret key coding that described whole frame is encoded.In this case, described coded frame can be by the single issue mesh point of addressing (for example, becoming idol secret key (pair-wise key)) or all mesh point in the multiple issue of described addressing is trooped (for example, secret key) Suo Xie Code that troops.
Alternately, described frame header can not encoded.In this case, described indivedual chain frame should with secret key of a single issue (become idol secret key) or multiple issue or to blazon secret key (the secret key of trooping) coded.
During described/differential threshold 420 be included in generally comprised in the territory during the IEEE 802.11 during information.During this then with described frame complete during relevant.
1 territory, described address (430) indicates described receiver address, and it can be single issue or multiple issue form, and 2 territories, described address (440) indicate described conveyer address, and it is single issue address.
Described frame delineation territory 450 comprises the information relevant with described load 460.For example, the receiver that described particular frame 400 transmitted, the length of described load 460 can be listed in described frame delineation territory 450, with and the position and during with the form of subframe.
The conformability of 470 verification msgs of described frame monitor value.For example, if the information in described subframe 1-n can be by 110 Xie Code of any mesh point in described wireless communication system 100, just then described frame monitor value 470 can only be contained in the end of described frame 400.Substitute, the frame monitor value of each subframe can be not in all subframe 1-n situation about can both decode by any mesh point 110 in the described wireless communication system 100 use.
As discussed above, described load 460 can comprise most subframes, similarly is subframe 1 (461), subframe 2 (465) and subframe n (471).Described subframe is one of data, control or management subframe relevant with described frame control forms, and the position of each subframe is then as discussed above to be described in described frame delineation territory 450.For the purpose of example, subframe 1 (461) similarly is notice request transmission, clear to send for comprising, inform the signal message of reception.More particularly, described control subframe comprises a mesh point differential threshold 462, the frame control domain 463 roughly the same with the described frame control domain 410 of above narration, and the frame monitoring codomain 464 roughly the same with described frame monitor value 470.
Described subframe 2 (465) a kind of linkage information subframes, it can comprise territory, conveyer address (SA) 467, length field 468, medium access control (MAC) service data unit (MSDU) territory 469 and the frame monitoring codomain 472 identical with described frame monitor value 470 that the user who is used for by described mesh point differential threshold 466 specified mesh point interrogates affair, indicates the single issue of original mesh point address.
It should be noted and to use any coupling frame in arbitrary described header or in the described subframe to monitor codomain.In addition, frame monitoring codomain also can be used in alternate embodiment of the present utility model.
Described mesh point differential threshold 462 and 466 indicates described subframe receiver address, and it can be a time destination address or final purpose way address, and can be the form of single issue or multiple issue.In addition, in multiple issue transmitted, each mesh point 110 can be utilized mesh point identification definition one adjacent web point uniquely, and it similarly is needed 6 bytes of typical identifier in the medium access control address that its memory that has then is less than.
Fig. 5 is for utilizing chain most the mesh point 110 that communicate each other of single release frame (be labeled as mesh point 110 ', mesh point 110 " with the mesh point 110 ) diagram 500 of posting a letter according to the utility model.Described mesh point 110 transmit data to described mesh point 110 ' (510) from news affair crossfire 2 (TS2).The receiver 116 of described mesh point 110 ' receives the data of described news affair crossfire 2 by described antenna 118, and will interrogate affair crossfire 2 and be forwarded to described processor 115.Described processor 115 can store described news affair crossfire 2 in described memory 119, to transmit once more.The receiver 116 of described mesh point 110 ' then by described antenna 118 from mesh point 110 " receive the request to send signal (520) of interrogating affair crossfires 1 (TS1), and the request to send signal that will interrogate affair crossfire 1 is delivered to described processor 115.
The processor 115 of described mesh point 110 ' then is identified in the mesh point 110 in described news affair crossfire 1 request to send signal ", and compare with a described destination address in order to interrogate affair crossfire 2.In view of the above, described mesh point 110 ' identification mesh point 110 " as the expection recipient of described news affair crossfire 2 data.Because described news affair crossfire 2 data are received by described mesh point 10 ', the processor 115 of described mesh point 110 ' just upgrades a clear to send and responds, comprising the required time of finishing described news affair crossfire 1 data transmission, and stop being in the required time that transmits described news affair crossfire 2 in the described chain frame in described transmission.
The processor 115 of described mesh point 110 ' is by described conveyer 117 and described antenna 118, and transmission is used to interrogate the clear to send signal of affair crossfire 1 to mesh point 110 " (530).Described mesh point 110 " receive the clear to send (530) that is used to interrogate affair crossfire 1, and described news affair crossfire 1 data are sent to described mesh point 110 ' (540).Described receiver 116 receives described news affair crossfire 1 data by described antenna 118, and it is delivered to described processor 115.
Be used for informing before the reception of described news affair crossfire 1 data in transmission, described processor 115 with described control information of informing reception with comprise expection and be used for mesh point 110 " data burst of data traffic crossfire 2 is connected (550).Described processor 115 then transmits described chain frame by described conveyer 117 and described antenna 118.If described data traffic crossfire 2 is to be stored in advance in the memory 119 of described mesh point 110 ', then described processor 115 is obtained described data traffic crossfire 2 from described memory 119, and is sent to described mesh point 110 ".In view of the above, the described received signal of informing just is being sent to described mesh point 110 from described mesh point 110 ' with described data traffic crossfire 2 signals " single data among be connected.Mesh point 110 " utilize the RM of detecting respectively in described mesh point differential threshold 462 and 466, whether identification is that itself is desired by the information that described mesh point 110 ' is transmitted in control subframe and the data burst.
Fig. 6 is for utilizing the chain mesh point that communicates each other 110 of multiple issue control subframe (be labeled as mesh point 110 ', mesh point 110 " with the mesh point 110 ) diagram 600 of posting a letter according to the utility model.Described mesh point 110 " transmit the request be used to interrogate affair crossfire 1 and be sent to mesh point 110 ' (610).The receiver of described mesh point 110 ' receives by described antenna 118 and comes from mesh point 110 " request that is used to interrogate affair crossfire 1 sends (610), and it is delivered to described processor 115.
The processor 115 of described mesh point 110 ' transmits by described conveyer 117 and described antenna 118 and is used to interrogate the clear to send signal of affair crossfire 1 to described mesh point 110 " (620).Described clear to send bag is finished the required time of described news affair crossfire 1 data transmission, and transmits the required time that termination transmits described news affair crossfire 2 in described news affair crossfire 1 data.
Described mesh point 110 " receive the clear to send (620) that is used to interrogate affair crossfire 1, and described data traffic crossfire 1 is sent to described mesh point 110 ' (630).The receiver 116 of described mesh point 110 ' receives described transmission data traffic crossfire 1 (630) by described antenna 118, and it is delivered to described processor 115.Described processor 115 can store described data traffic crossfire 1 in described memory 19, to transmit once more.
Described processor 115 is sent to institute's mesh point 110 then by described conveyer 117 and described antenna 118 with the chain frame of a multiple issue " and 110 (640).The chain frame of described multiple issue comprises a control subframe, it discerns mesh point 110 in the mesh point differential threshold of described control subframe 461 " and comprise be used for mesh point 110 " inform and receive news affair crossfire 1, the chain frame of described multiple issue also comprises a control subframe, and it discern mesh point 110 and comprise to send to the request of mesh point 110 and interrogates affair crossfire 1 in the mesh point differential threshold of described control subframe.Described mesh point 110 " receive the chain frame of multiple issue of described transmission respectively with 110 , and with described frame main body Xie Code, and discern by the unique mesh point identification (462) in described control subframe and which itself can be used control subframe.In view of the above, be used for described mesh point 110 " the control subframe can be coupling among the single chain frame that comes from described mesh point 110 ' with the control subframe that is used for described mesh point 110 .In addition, the frame main body of described chain frame can comprise encryption, so that it is merely able to be read by all mesh point 110 that transmit the addressing of mesh point 110 ' institute described in trooping in described multiple issue.
Fig. 7 is for utilizing the chain mesh point that communicates each other of multiple issue control and data burst (be labeled as mesh point 110 ', mesh point 110 " with the mesh point 110 ) diagram 700 of posting a letter according to the utility model.Described mesh point 110 " transmit data traffic crossfire 1 to described mesh point 110 ' (710).The receiver of described mesh point 110 ' receives by described antenna 118 and comes from mesh point 110 " request that is used to interrogate affair crossfire 1 sends (610), and it is delivered to described processor 115.Described processor 115 can store described data traffic crossfire 1 in described memory 19, to transmit once more.
Described processor 115 is sent to institute's mesh point 110 then by described conveyer 117 and described antenna 118 with the chain frame of a multiple issue " and 110 (720).The chain frame of described multiple issue (720) comprises a control subframe, it discerns mesh point 110 in the mesh point differential threshold of described control subframe " and comprise be used for mesh point 110 " inform and receive news affair crossfire 1, the chain frame of described multiple issue also comprises a data burst, and it is discerned mesh point 110 and comprises to the data traffic crossfire 1 of mesh point 110 in the mesh point differential threshold of described data burst.
Described mesh point 110 " receive the chain frame of multiple issue of described transmission respectively with 110 ; and with described frame main body Xie Code, and discern (466) by unique mesh point identification (462) in described control subframe or the mesh point in described data burst and discern itself and can use which subframe.In view of the above, be used for described mesh point 110 " the control subframe can be coupling among the single chain frame that comes from described mesh point 110 ' with the data burst that is used for described mesh point 110 .In addition, the frame main body of described chain frame can comprise encryption, so that it is merely able to be read by all mesh point 110 that transmit the addressing of mesh point 110 ' institute described in trooping in described multiple issue.
The utility model also can be implemented among any wireless communication system that requires pattern.By example, the utility model can be implemented in any form of 802 formal systems, including but not limited to 802.11,802.15 or 802.16, or the wireless communication system of any other form.The utility model also can be in fact as in performed application on an integrated circuit on the processor, similarly be special purpose very lagre scale integrated circuit (VLSIC) (ASIC), compound integrated circuit, logic programmable gate array (LPGA), compound logic programmable gate array, discrete component or integrated circuit, logic programmable gate array, with the combination of discrete component.
Though feature of the present utility model and assembly are described in preferred embodiment in the mode of particular combinations, each feature or assembly also can use the further feature and the assembly of described preferred embodiment (not with) separately, or the various combination that carries out or separate with further feature of the present utility model and assembly.
Claims (3)
1. mesh point that in wireless communication system, transmits chain frame, described wireless communication system comprises a plurality of mesh point, described mesh point is used to transmit a chain frame, it is characterized in that described mesh point comprises:
One conveyer is used to transmit described chain frame to described a plurality of mesh point;
One receiver is used for receiving described chain frame from described a plurality of mesh point; And
One processor, itself and described conveyer and receiver coupling also communicate with described conveyer and receiver, wherein said processor is used to control described conveyer, described chain frame is sent to the described a plurality of mesh point in described wireless communication system; And
Wherein said chain frame comprises an at least one control subframe and a data burst, and it is identified in another mesh point at least in the described wireless communication network.
2. mesh point as claimed in claim 1 is characterized in that also comprising a memory, and itself and described processor are coupled and communicate with described processor.
3. mesh point as claimed in claim 1 is characterized in that also comprising an antenna, and itself and described conveyer and receiver coupling also communicate with described conveyer and receiver.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US66966305P | 2005-04-08 | 2005-04-08 | |
| US60/669,663 | 2005-04-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2930121Y true CN2930121Y (en) | 2007-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620100034 Expired - Fee Related CN2930121Y (en) | 2005-04-08 | 2006-04-10 | Mesh point for transmitting concatenated frames in wireless communication system |
Country Status (5)
| Country | Link |
|---|---|
| KR (1) | KR20060107413A (en) |
| CN (1) | CN2930121Y (en) |
| AR (1) | AR053574A1 (en) |
| DE (1) | DE202006005726U1 (en) |
| TW (3) | TWI444003B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100950532B1 (en) * | 2007-09-18 | 2010-03-30 | 삼성전자주식회사 | Method and apparatus for generating data frame |
| US8339967B2 (en) | 2007-09-18 | 2012-12-25 | Samsung Electronics Co., Ltd. | Method and apparatus for generating data frame |
| KR101642199B1 (en) * | 2014-12-16 | 2016-07-22 | 강원대학교산학협력단 | Transmission Device and Method Based on the Two-level Aggregation Wireless Communication System For Data Retransmission |
-
2006
- 2006-04-06 TW TW95112279A patent/TWI444003B/en not_active IP Right Cessation
- 2006-04-06 TW TW98111580A patent/TW201004225A/en unknown
- 2006-04-06 TW TW95205789U patent/TWM297585U/en not_active IP Right Cessation
- 2006-04-07 AR ARP060101387 patent/AR053574A1/en not_active Application Discontinuation
- 2006-04-07 KR KR1020060032021A patent/KR20060107413A/en not_active Application Discontinuation
- 2006-04-07 DE DE200620005726 patent/DE202006005726U1/en not_active Expired - Lifetime
- 2006-04-10 CN CN 200620100034 patent/CN2930121Y/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| AR053574A1 (en) | 2007-05-09 |
| DE202006005726U1 (en) | 2006-08-31 |
| TWM297585U (en) | 2006-09-11 |
| TW200644527A (en) | 2006-12-16 |
| TWI444003B (en) | 2014-07-01 |
| TW201004225A (en) | 2010-01-16 |
| KR20060107413A (en) | 2006-10-13 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070801 Termination date: 20150410 |
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| EXPY | Termination of patent right or utility model |