CN201118636Y - Wireless communication device - Google Patents
Wireless communication device Download PDFInfo
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- CN201118636Y CN201118636Y CNU2007201197949U CN200720119794U CN201118636Y CN 201118636 Y CN201118636 Y CN 201118636Y CN U2007201197949 U CNU2007201197949 U CN U2007201197949U CN 200720119794 U CN200720119794 U CN 200720119794U CN 201118636 Y CN201118636 Y CN 201118636Y
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- beacon
- communication device
- radio communication
- management information
- frame
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Abstract
Disclosed is a wireless communication device which is characterized in that the wireless communication device comprises an antenna, a wireless processing module used for converting the signal received by the antenna into the digital signal and generating a frame, a frame judge module used for judging the frame, a recording module used for extracting the needed information from the received frame and recording the information, an upper layer processing module, a frame composition module used for generating a beacon frame with management information or a digital frame and a beacon transmitting indication module; the wireless processing module is respectively connected with the judge module and the beacon transmitting indication module; the judge module is connected with the recording module; meanwhile, the frame is transferred to the frame composition module through the upper layer processing module; the beacon indication module transmits the beacon to the recording module and the frame composition module at the same time; the recoding module transmits the recorded information to the frame composition module. The wireless communication device is applied to avoid conflicting with the beacon of the wireless communication device from other wireless network under the situation that each wireless communication device transmits a beacon inside the wireless network.
Description
Technical field
The utility model relates to and carries out the Ad hoe radio communication device in when communication in the cordless communication network.
Background technology
At present, existing radio communication device is in wireless network, do not dispose control station, direct communication between the radio communication device, it sets the announcement period of management information at interval with official hour, sends reception timing information, receive window information and the receiving cycle management of information information that shows the message pick-up starting position of oneself of having put down in writing.Then, when transmission information, try to achieve corresponding radio communication device and receive the starting position, receive the periodically sending information of starting position with this according to reception timing, receive window and the receiving cycle of communication counterpart.In addition, the radio communication device of full module sends beacon and exchange in the management information exchange field.
Yet,, cause sometimes in the beacon in management information exchange field and the beacon collision that radio communication device sent of wireless network by other because the wireless network under this radio communication device moves.Therefore, in above-mentioned conventional device, the radio communication device that sends beacon from wireless network only is to be possible under the situation of control station, and the radio communication device transmission difficulty comparatively of mobile beacon together.
The utility model content
Technical problem to be solved in the utility model is, overcomes present prior art defective, and a kind of radio communication device of avoiding from the beacon collision of the radio communication device of other wireless network is provided.
The technical scheme that the utility model proposed is:
A kind of radio communication device is characterized in that comprising:
One antenna;
The analog signal conversion that antenna receives can be become the wireless processing module of digital signal and delta frame;
The frame determination module that can differentiate the frame that wireless processing module receives is the frame of request msg transmitting-receiving or the frame of the beacon collision of notice and his network to judge the frame that is extracted;
From the frame that is received, extract the go forward side by side logging modle of line item of required information by the frame determination module;
Can carry out layer processing module on the above protocol processes of tcp/ip layer;
From logging modle, read information needed, can generate the beacon frame that comprises management information or the frame composition module of Frame
And beacon sends indicating module;
Described wireless processing module sends indicating module with frame determination module and beacon respectively and links to each other, and the frame determination module links to each other with logging modle, through upper layer processing module frame is passed to the frame composition module simultaneously; Described beacon sends indicating module beacon is sent to logging modle and frame composition module simultaneously, and logging modle sends the information that is write down to the frame composition module.
The utlity model has following technique effect:
1) but the notice of the utility model relay beacon conflict thereby can be notified the full module radio communication device of consolidated network;
2) the utility model can be during not switching the beacon transmission before the beacon that is received in new time domain, and the full module radio communication device that belongs to same wireless network can carry out moving during beacon sends together successively;
3) the utility model is through sending conflict notification effective time, the possibility of full module radio communication device notice that can be on consolidated network.In addition, owing to do not carry out the relaying of conflict notification this effective time, can notify in network by continuous relaying by approach avoidance conflict once process;
4) radio communication device that belongs in the consolidated network of the utility model is also preferentially notifying effective time a long side because the propagation of wireless network relation is being notified under the tandem situation, so can not postpone, successively during the mobile beacon transmission;
5), also can unify during the mobile beacon transmission even the radio communication device that the utility model belongs in the consolidated network receives a plurality of conflict notification;
6) radio communication device in the utility model consolidated network does not communicate in moving during new beacon sends, thus can prevent that difference because of the time domain of communicating by letter from producing can not communications status;
7) carry out relaying to other radio communication device in the time of mobile during the utility model can be ended beacon and sends, therefore, moving during the radio communication device of the full module of same wireless network can be ended beacon and sends.
8) the utility model is owing to once eliminating the relaying of notice through not conflicting this effective time, eliminate notice so can avoid continuing the relaying conflict in network;
9) the utility model be owing to can preferentially carry out up-to-date notice, so conflict of qualification state correctly.
10) the full module radio communication device that belongs in the consolidated network can move during sending with the unduplicated beacon of the radio communication device of his network of full module of the wireless network of having invaded oneself.
11) the utility model is during mobile beacon not sends, and can prevent that beacon useless during sending from moving and the radio communication device that can avoid both sides moves and the situation of conflict once more.
Description of drawings
Fig. 1 is the wireless communication networks structure chart;
Fig. 2 is the utility model structured flowchart;
Fig. 3 A is a beacon frame format chart of the present utility model;
Fig. 3 B is the format chart of the utility model management information;
Fig. 4 is the utility model data frame format figure;
Fig. 5 A is that the utility model receives beacon message list structure figure;
Fig. 5 B is the utility model beacon slot position list structure figure;
Fig. 6 receives the flow chart of handling for the utility model frame;
Fig. 7 receives the flow chart of handling for the utility model BP notice;
Fig. 8 receives the flow chart of relay process for the utility model BP;
Fig. 9 eliminates the flow chart of handling for the utility model BP receives;
Figure 10 moves the flow chart of processing for the utility model BP;
Figure 11 sends the flow chart of handling for the utility model frame;
Figure 12 is the figure of the conflict of the utility model wireless network;
Processing figure when Figure 13 is the utility model beacon collision;
Processing figure when Figure 14 eliminates for the utility model beacon collision;
BP when Figure 15 A is beacon collision moves the figure one of processing;
BP when Figure 15 B is beacon collision moves the figure two of processing.
Embodiment
Figure has showed the figure of the structure of the cordless communication network in the execution mode of the present utility model.
As shown in Figure 1, radio communication device A1～A4 constitutes a wireless network, Probability Area 111 to 114 other the interior radio communication devices of communicating by letter carry out ultra broadband (UWB) radio communication of multiple access mode with each, transmit data by nondirectional antenna to full module communication Probability Area.In addition, radio communication device A1～A4 can space free move.Simultaneously, radio communication device B1～B4 constitutes another wireless network, and other radio communication device in the same Probability Area 115 to 118 of communicating by letter carries out the UWB radio communication with each.And, be presented at the radio communication device B1 that invade different wireless networks in the communication zone 111 of radio communication device A1.
Fig. 2 is each radio communication device structured flowchart.
Referring to Fig. 2, radio communication device comprises that an antenna 200, wireless processing module 201, frame determination module 202, logging modle 203, upper strata processing module 204, frame composition module 205 and beacon send indicating module 206, wherein:
Logging modle 203 will be extracted the required information line item of going forward side by side by the frame determination module from the frame that is received;
Upper layer processing module 204 carried out the above protocol processes of tcp/ip layer;
It is timers that beacon sends indicating module 206, and indication frame composition module 205 is in each super frame period, the frame that the own time slot position during the beacon that begins from shift time sends is generated to wireless processing module 201 transmissions.
Described wireless processing module 201 sends indicating module 206 with frame determination module 202 and beacon respectively and links to each other, and frame determination module 202 links to each other with logging modle 203, through 204 of upper layer of processing moulds frame is passed to frame composition module 205 simultaneously; Described beacon sends indicating module 206 beacon is sent to logging modle 203 and frame composition module 205 simultaneously, and logging modle 203 sends the information that is write down to frame composition module 205.
Each above-mentioned frame is described in detail in detail below.
Fig. 3 A is the form of beacon frame.
In Fig. 3 A, beacon group (BG) the 301st, definite time domain that sends beacon are arranged in the identical beacon period (period), management information 302 is the conflicting information of notice beacon or the delivery time of data etc., is added when having these information that should notify.In addition, the radio communication device of identical beacon group forms a wireless network.
Fig. 3 B is the form of management information.
In Fig. 3 B, management information NO311 is the ID of identification management information, source device ID312 is the ID of radio communication device that determines the transmission source of this management information, BGID313 is the ID that determines beacon group, shift time 314 is the time during beginning to send to beacon from super frame period, RX/Tx315 identification receives, sends, the classification of management information type 316 expression beacons, the effective time of TIL (Time TO Live) 317 these management information of expression.
Fig. 4 is the form of Frame.
In Fig. 4, in data 401, put down in writing communication datas such as content (contents) or control information.Also have, frame determination module 202 extracts necessary information from these frames, be recorded in the logging modle 203.
Fig. 5 A is the reception beacon message tableau format that is recorded in the logging modle 203.
In Fig. 5 A, at source device ID501, beacon group ID502, management information type 503, shift time 504, source device ID312, beacon group 301, management information type 316, shift time 314, the TTL317 in the beacon frame that arrives of recorder respectively in effective time 505.Send indicating module 206 every superframes by beacon described later and deduct " 1 " this effective time 505.
Fig. 5 B has write down the table of the time slot position of the beacon that sends each radio communication device in the beacon group.
The below action of explanation the utility model, effect.
The flow chart of the action when Fig. 6 has received signal for radio communication device of the present utility model.
Referring to Fig. 6, at first, be converted into digital frame (step S601) in wireless processing module 201 from antenna 200 received signals,
Then, under the situation of beacon frame that is not identical beacon group, frame determination module 202 is recorded in each information of being put down in writing in the management information 302 in the reception beacon message table in the logging modle 203 (step S605).
On the other hand, under the situation of beacon frame that is identical beacon group, frame determination module 202 with the beacon reception period of the beacon that receives (hereinafter referred to as " beacon period " (BP)) in time slot position, source device ID501 be recorded in the beacon slot position record sheet shown in Fig. 5 B (step S606).
In this management information type, have: the mobile management information type 3 of the management information Class1, notice that management information type 0, the relaying of this situation of beacon that notice has received other beacon group received this situation of beacon of other beacon group and the management information type 2 that conflicting of the beacon of other beacon group is eliminated this situation, the time location in the superframe of notice at BP.
The processing of following description of step S609 to S612.
Fig. 7 is that the BP notice of other group receives the flow chart of handling (step S609).As shown in the figure, frame determination module 202 will be recorded in from the information that management information 302 is extracted the reception beacon message table in the logging modle 203 (step S701), end process.
Fig. 8 is the flow chart that the BP of other group receives relay process (step S610).As shown in the figure, frame determination module 202 is from management information 302 extraction source device id 312 and BGID313.Then, frame determination module 202 judge in receiving the beacon message table, whether logined receive have source device ID identical and beacon group ID with it, the management information type is 1 management information (step S801), frame determination module 202 is not having login to receive under the situation of aforesaid management information, be recorded in the reception beacon message table (step S802) end process as new information.
On the other hand, under the situation that has login, when TTL317 is big, receive the beacon message table effective time 505 (step S803) of the TTL317 of frame determination module 202 comparative management information 302 and the information that has been logged, transfer to step S802 in order to upgrade.At TTL317 hour, frame determination module 202 was judged as the older information of information than login, end process at that.
Fig. 9 is that the BP of other group receives the flow chart of eliminating processing (step S611).As shown in the figure, frame determination module 202 is from management information 302 extraction source device id 312 and BGID313.Then, frame determination module 202 judge in receiving the beacon message table, whether logined receive have source device ID identical and beacon group ID with it, the management information type is 2 management information (step S901).Whether have under the situation of login, the TTL317 that frame determination module 202 is judged management information 302 is than effective time 505 little (step S905) of the information of being logined, under little situation, and end process.
On the other hand, under big situation, whether 202 judgements of frame determination module have been logined and have been received management information Class1 (step S903), under the situation that is not having login, frame determination module 202 is recorded in the information of management information 302 in the reception beacon message table in the logging modle 203 (step S904).
Whether on the other hand, having under the situation of login, the TTL317 that frame determination module 202 is judged management information 302 is than effective time 505 little (step S905) of the information of being logined, under little situation, and end process.
Under big situation, step S904 transferred in the record (step S906) of frame determination module 202 this management information Class1 of deletion from receive the beacon message table.
Figure 10 moves the flow chart of processing (step S612) for BP.
As shown in the figure, the login (step S1001) that whether frame determination module 202 has with reference to receiving the beacon message tables, judging that the management information type is 3, shift time 314 is identical.Then, do not having under the situation of identical login, frame determination module 202 judges whether the login (step S1002) with source device ID and the beacon group ID identical with the source device ID312, the BGID313 that are extracted is arranged from management information 302.Under the situation that does not have login, frame determination module 202 is recorded in the reception beacon message table (step S1003) end process with the information of management information 302.
Whether under the situation of existing login, frame determination module 202 is judged the TTL317 of management information 302 than the effective time 505 little (step SI004) of the information of being logined, and under little situation, end process is transferred to step S1003 under big situation.
Whether in step S1001, under the situation of the identical login of existing shift time 314, the TTL317 that judges management information 302 is than effective time 505 little (step S1005) of the information of being logined.Under little situation, step S1003 transferred in the record of the management information type 3 that 202 deletions of frame determination module are write down.
On the other hand, under big situation, frame determination module 202 is end process at that.
More than be the action of radio communication device of the present utility model when having received information.
Next, action when radio communication device of the present utility model sends beacon is described.
Figure 11 is the flow chart of expression action at this moment.In addition, the transmission of this beacon regularly sends indicating module 206 every superframes from beacon and is notified to frame composition module 205.
In Figure 11, the record of the reception beacon message table in the frame composition module 205 inspection record modules 203 judges that whether having logined effective time 505 is not that " 0 ", management information type 503 are 0～3 information (S1101).Under the situation that does not have login, frame composition module 205 generates not to be had the beacon frame of additional management information and sends (step S1102) to wireless processing module 201.
After wireless processing module 201 receives this beacon frame, convert beacon frame to the UWB signal, send (step S1103) through antenna 200.
On the other hand, at step S1101, logining management information type 0 to the situation of the information of management information type 3, frame composition module 205 every management information types manage the generation of information 302.
The management of information information type that is write down in receiving the beacon message table is (step S1104) under the situation of type 0 or 1, because carrying out relaying to the radio communication device of identical beacon group, frame composition module 205 these management information that will receive notify, so generation is attached to the management information 302 in the beacon frame.Promptly, frame composition module 205 is provided with the information of the source device ID501 that is logined in the source device ID312 of management information 302, the information of beacon group ID502 is set in BGID313, the information of shift time 504 is set in shift time 314, Tx is set in Rx/Tx315, the management information Class1 is set in management information type 316, and setting deducts for ' 1 ' time (step S1105) from effective time 505 in TTL317.Afterwards, the processing of frame composition module 205 is transferred to step S1102.
The management of information information type that is write down in receiving the beacon message table is (step S1106) under the situation of type 2, because carrying out relaying with this management information to the radio communication device of identical beacon group, frame composition module 205 notifies, so, S1105 is same with step, generates the management information 302 that is attached in the beacon frame.Wherein, management information type 2 (step S1107) is set in management information type 316.Afterwards; Be transferred to step S1102.
The management of information information type that is write down in receiving the beacon message table is (step S1108) under the situation of type 3, because carrying out relaying with this management information to the radio communication device of identical beacon group, frame composition module 205 notifies, so, S1105 is same with step, is created on management information 302 additional in the beacon frame.Wherein, management information type 3 (step S1109) is set in management information type 316.Afterwards, the processing of frame composition module 205 is transferred to step S1102.
The beacon group of the information that is write down in receiving the beacon message table is not (step S1110) under oneself the situation of beacon group, because frame composition module 205 is with the radio communication device notice of this information to identical beacon group, so, generate the management information 302 that is attached in the beacon frame.Promptly, frame composition module 205 is provided with the device id of oneself in the source device ID312 of management information 302, own affiliated beacon group ID is set in BGID313, the information of shift time 504 is set in shift time 314, Tx is set in Rx/Tx315, management information type 0 is set in management information type 316, and setting deducts for ' 1 ' time (step S1111) from effective time 505 in TTL317.
In addition, TTL317 can be set to be not limited to the corresponding suitable value of the size of network " 255 ".
It more than is radio communication device of the present utility model action when sending beacon.Like this, become " 0 " up to the effective time 505 that receives the beacon message table, radio communication device continues to send the beacon of the management information of notifying this login.
Radio communication device of the present utility model below is described when the radio communication device intercommunication of identical beacon group, the action the when radio communication device of other beacon group is invaded people's communication zone.
Figure 12 invades situation in the radio communication device communication zone of identical beacon group for the device BI of other beacon group and device C1.
In Figure 12, radio communication device A1 can communicate by letter with radio communication device A2 and the radio communication device A3 in the communication zone 111 of oneself, but can not communicate by letter to radio communication device A4.Also have, radio communication device A2 and radio communication device A3 are owing to having radio communication device A1 or radio communication device A4 respectively, so can communicate by letter with the full module radio communication device of identical beacon group in communication zone 112,113.Radio communication device A4 can communicate by letter with radio communication device A2 and the radio communication device A3 in the communication zone 111 of oneself, but can not communicate by letter to radio communication device A1.And, because the radio communication device BI communication zone of only invading radio communication device A1, so radio communication device A2 can not detect beacon from radio communication device B1 to radio communication device A4.Equally, because the radio communication device C1 communication zone of only invading radio communication device A4, so radio communication device A1 can not detect beacon from radio communication device C1 to radio communication device A3.
Figure 13 is the sequential chart of this moment.Wherein, the BP that establishes the beacon group of the BP of radio communication device B1 and radio communication device C1 and radio communication device A1 to A3 does not repeat.
At first, because radio communication device A3 communicates radio communication device A1, A2, the A4 in the communication Probability Area 113, so during beacon sends, in the own time slot of BP, do not comprise the common beacon (step S1301) of management information by nondirectional antenna transmission in regional 113.
Because radio communication device A1 detects the beacon from radio communication device BI, so generate the management information A1-0 of management information type 0.Then, radio communication device A1 sends the beacon (step S1302) that has added this management information A1-0 at the time slot of oneself.
Then, radio communication device A2 receives the beacon from radio communication device A1, generates the management information week A1-1 of the management information Class1 that is used for this management information of relaying A1-0.Then, radio communication device A2 sends the beacon (step S1303) that has added this management information A1-1 at the time slot of oneself.
Then, radio communication device A4 receives the beacon from radio communication device A2, generates to be used for the management information A1-1 that relaying is attached to the management information Class1 of management information A1-1 wherein.Also have, because radio communication device A4 detects the beacon from radio communication device C1, the radio communication device of the beacon group under oneself also generates the management information A4-0 of the management information type 0 of its order of record.Radio communication device A4 sends the beacon (step S1304) that has added management information A1-1, A4-0 at the time slot of oneself.
Radio communication device A3 receives the beacon from radio communication device A4, generates to be used for management information A1-1, the A4-1 that relaying is attached to the management information Class1 of wherein management information A1-1, A4-0.Then, radio communication device A3 sends the beacon (step S1305) added management information A1-1, A4-1 at oneself time slot of next super frame period.
Radio communication device A1 receives the beacon from radio communication device A3, generates to be used for the management information A4-1 that relaying is attached to the management information Class1 of management information A4-1 wherein.Radio communication device A1 is receiving management information A 1-1 also, but because the source device ID of this management information is the ID of oneself, so discarded then in not carrying out.And, because radio communication device A1 continues to detect the beacon from radio communication device B1, so the management information A1-0 of newly-generated management information type 0.Then, radio communication device A1 sends the beacon (step S1306) that has added this management information A1-0, A4-1 at the time slot of oneself.
Radio communication device A2 receives the beacon from radio communication device A1, generates management information A1-1, the A4-1 of the management information Class1 that is used for this management information of relaying A1-0, A4-1.Then, radio communication device A2 sends the beacon (step S1307) that has added this management information A1-1, A4-1 at the time slot of oneself.
Radio communication device A4 receives the beacon from radio communication device A2, generates to be used for the management information A1-1 that relaying is attached to the management information Class1 of management information A1-1 wherein.Also have, radio communication device A4 receiving management information A 4-1, but because the source device ID of this management information is the ID of oneself, so do not carry out discarded then.And, because radio communication device A4 continues to detect the beacon from radio communication device C1, so the management information A4-0 of newly-generated management information type 0.Then, radio communication device A4 sends the beacon (step S1308) that has added management information A1-1, A4-0 at the time slot of oneself.
More than be at the identical radio communication device A1 of beacon group to the mutual communication zone of radio communication device A4, the action when the radio communication device BI of other beacon group and radio communication device C1 invade into.
Thus, the radio communication device of same beacon group can be known the intrusion of the radio communication device of other beacon group.In addition, in the above-described embodiment because and the radio communication device of invading between beacon send during BP do not repeat, so do not carry out action during mobile beacon sends.
The following describes the action when the communication zone 114 of radio communication device A4 is withdrawn from the arena of radio communication device CI thereafter.
Figure 14 is the action timing diagram of this moment, and step S1305 is identical with Figure 13 to step S1307.
Radio communication device A4 receives the beacon from radio communication device A2, generates to be used for the management information A1-1 that relaying is attached to the management information Class1 of management information A1-1 wherein.Also have, radio communication device A4 receiving management information A 4-1, but because the source device ID of this management information is the ID of oneself, so discarded then in not carrying out.Also have, because radio communication device A4 does not have to detect the beacon from radio communication device C1, so do not generate its above management information.Then, radio communication device A4 sends the beacon (step S1401) that has added management information A1-1 at the time slot of oneself.
Radio communication device A3 receives the beacon from radio communication device A4, generates to be used for the management information A1-1 that relaying is attached to the management information Class1 of management information A1-1 wherein.Also have, radio communication device A3 detects and logined source device ID in receiving the beacon message table is radio communication device A4 beacon group and this situation of management information A4-0 own different, management information type 0, discerns current this management information A4-0 that do not receive.Thus, radio communication device A3 judges that radio communication device CI withdraws from the arena, generates the management information A4-2 of management information type 2.Then, radio communication device A3 sends the beacon (step S1402) added management information A1-1, A4-2 at oneself time slot of next super frame period.
Radio communication device A1 receives the beacon from radio communication device A3, for relaying is attached to wherein management information A4-2, generates the management information A4-2 of management information type 2.At this moment, the source device ID that write down in receiving the beacon message table of radio communication device A1 deletion is the management information of management information Class1 of the ID of radio communication device A4.Also have, radio communication device A1 is receiving management information A 1-1 also, but because the source device ID of this management information is the ID of oneself, so discarded then in not carrying out.Because radio communication device A1 continues to detect the beacon from radio communication device B1, so the management information A1-0 of newly-generated management information type 0.Then, radio communication device A1 sends the beacon (step S1403) that has added this management information A1-0, A4-2 at the time slot of oneself.
Radio communication device A2 receives the beacon from radio communication device A1, for this management information of relaying A1-0, A4-2, generates management information A1-0, the management information A4-2 of management information Class1.Then, radio communication device A2 sends the beacon (step S1404) that has added this management information A1-1, A4-2 at the time slot of oneself.At this moment, radio communication device A2 is the same with radio communication device A1, and the source device ID that deletion is write down in receiving the beacon message table is the management information of management information Class1 of the ID of radio communication device A4.
Radio communication device A4 receives the beacon from radio communication device A2, generates to be used for the management information A1-1 that relaying is attached to the management information Class1 of management information A1-1 wherein.Also have, radio communication device A4 receiving management information A 4-2, but because the source device ID of this management information is the ID of oneself, so discarded then in not carrying out.Also have, because radio communication device A4 does not have to detect the beacon from radio communication device C1, so do not generate its above management information.Then, radio communication device A4 sends the beacon (step S1405) that has added management information A1-1 at the time slot of oneself.
These steps of repeatable operation S1402 to S1405.And the source device ID that is write down in the reception beacon message table of radio communication device A3 is that radio communication device A3 deletes the login of this management information when becoming " 0 " effective time 505 of management information of the management information type 0 of radio communication device A4.And radio communication device A3 receives the beacon from radio communication device A4, only generates to be used for the management information A1-1 that relaying is attached to the management information Class1 of management information A1-1 wherein.Then, radio communication device A3 sends the beacon (step S1406) added management information A1-1 at oneself time slot of next super frame period.
Radio communication device A1 receives the reason information A 1-1 of battalion from radio communication device A3, but because the source device ID of this management information is the ID of oneself, so discarded then in not carrying out.Because radio communication device A1 continues to detect the beacon from radio communication device B1, so the management information A1-0 of newly-generated management information type 0.Then, radio communication device A1 sends the beacon (step SI407) that has added this management information A1-0 at the time slot of oneself.
Radio communication device A2 receives the beacon from radio communication device A1, for this management information of relaying A1-0, generates the management information A1-1 of management information Class1.Then, radio communication device A2 sends the beacon (step S1408) that has added this management information A1-1 at the time slot of oneself.
Radio communication device A4 is also same with A2, sends the beacon (step S1409) added this management information A1-1 at oneself time slot.
More than be to have invaded the action of the identical radio communication device A1 of beacon group when the radio communication device C1 mutual communication zone, other beacon group of radio communication device A4 has withdrawn from the arena.
In addition, in the above-described embodiment, radio communication device A3 identification does not have the management information A4-0 that receives from radio communication device A4 to judge that radio communication device C1 has withdrawn from the arena, and has generated management information A4-2.Yet, being not limited thereto, the radio communication device A4 stipulated time does not have to detect the beacon from radio communication device C1, can generate the management information A4-2 of the management information type 2 of the conflict elimination of notifying beacon thus.
Figure 15 A, 15B are that the BP of the beacon group of the BP of radio communication device B1 and radio communication device A1 to A3 repeats, the sequential chart of the action the when BP of the beacon group of the BP of radio communication device C1 and radio communication device A1 to A3 does not repeat.
The difference of Figure 15 A, B and sequential chart shown in Figure 13 is: notice is from the management information of the management information type 3 that moves of the notice BP of radio communication device A1, and radio communication device A1 moves to this new BP to radio communication device A4.
At first, because radio communication device A3 communicates radio communication device A1, A2, the A4 in the communication Probability Area 113, so the own time slot of BP is not comprised the common beacon (step S1501) of management information by nondirectional antenna transmission in regional 113 during beacon sends.
Because radio communication device A1 detects the beacon from radio communication device B1, so generate the management information A1-0 of management information type 0.At this moment, radio communication device A1 detects BP and the repetition of BP one module of oneself branch of radio communication device B1.So radio communication device A1 asks the time domain of the mobile destination of BP, generate indication and move the management information A1-3 of the management information type 3 that moves of the BP of destination to this.Then, radio communication device A1 sends the beacon (step S1502) that has added these management information A1-0, A1-3 at the time slot of oneself.
Radio communication device A2 receives the beacon from radio communication device A1, for this management information of relaying A1-0, A1-3, generates the management information A1-1 management information A1-3 of management information Class1.Then, radio communication device A2 sends the beacon (step S1503) that has added this management information A1-1, A1-3 at the time slot of oneself.
Radio communication device A4 receives the beacon from radio communication device A2, for relaying is attached to wherein management information A1-1, generates management information A1-1, the management information A1-3 of management information Class1.Also have, because radio communication device A4 detects the beacon from radio communication device C1, so also generate the management information A4-0 of the management information type 0 of having put down in writing its order.At this moment, owing to BP does not repeat, so do not generate the management information that moves of indication to new BP.Then, radio communication device A4 sends the beacon (step S1504) added management information A1-1, A1-3, A4-0 at oneself time slot.
Radio communication device A3 receives the beacon from radio communication device A4, for relaying is attached to wherein management information A1-1, A1-3, A4-0, generates management information A1-1, A4-1 and the management information A1-3 of management information Class1.Then, radio communication device A3 sends the beacon (step S1505) added management information A1-1, A1-3, A4-1 at oneself time slot of next super frame period.
Radio communication device A1 receives the beacon from radio communication device A3, generates to be used for the pipe information A 4-1 that relaying is attached to the management information Class1 of management information A4-1 wherein.Also have, radio communication device A1 is receiving management information A 1-1 also, but because the source device ID of this management information is the ID of oneself, so discarded then in not carrying out.And, if radio communication device A1 continues to detect the beacon from radio communication device B1, the management information A1-0 of then newly-generated management information type 0.
In addition, radio communication device A1 is because reception sources device id 312 is the management information of the management information type 3 of own ID, so inspection TTL317 whether " 0 ".In now since this time be not " 0 " so radio communication device A1 does not carry out the switching of BP, confirm not repeat with the BP of the management information A4-1 of new notice.If radio communication device A1 does not repeat with this BP, the TTL317 that then is created on received management information A1-3 deducts the management information A1-3 of " 1 ".In addition,, then obtain the BP of time domain of the BP of the BP that avoids radio communication device B1 and radio communication device C1, generate new management information A1-3 if the BP of radio communication device A1 and management information A4-1 repeats.Then, radio communication device A1 sends the beacon (step S1506) added these management information A1-0, A1-3, A4-1 at oneself time slot.
Radio communication device A2 receives the beacon from radio communication device A1, for this management information of relaying A1-0, A1-3, A4-1, the TTL of each management information is deducted " 1 ", generates management information A1-1 and management information A1-3, the A4-1 of management information Class1.Then, radio communication device A2 sends the beacon (step S1507) added this management information A1-1, A1-3, A4-1 at oneself time slot.
Radio communication device A4 receives the beacon from radio communication device A2, for relaying is attached to wherein management information A1-1, A1-3, the TTL of each management information is deducted " 1 ', generate management information A1-1, the A1-3 of management information Class1.Also have, radio communication device A4 receiving management information A 4-1, but because the source device ID of this management information is the ID of oneself, so discarded then in not carrying out.And, because radio communication device A4 continues to detect the beacon from radio communication device C1, so the management information A4-0 of newly-generated management information type 0.Then, radio communication device A4 sends the beacon (step S1508) added management information A1-1, A1-3, A4-0 at oneself time slot.
3 above-mentioned steps S1505 of repeatable operation are to step S1508, and radio communication device A1 carries out the login of the switching of BP, end the transmission of beacon.
Afterwards, radio communication device A1 sends beacon at oneself the time slot of new BP.As additional management information this moment, the relaying of the management information A4-1 that is notified from radio communication device A4 and the management information A1-0 of own generation are arranged.In addition, after this new BP moves, because the BP of radio communication device B1 and radio communication device C1 do not repeat, so the management information of additional management information type 3 (step S1509) not.
At this moment, radio communication device A2 and radio communication device A3 detect the beacon from radio communication device A1, according to the reception timing of received beacon, carry out moving to new time domain the login of BP.Therefore, radio communication device A2 and radio communication device A3 oneself the beacon of time slot that terminates in old BP sends.Also have, because radio communication device A4 can not detect the beacon from radio communication device A1, so can not carry out moving of BP in this moment, oneself the time slot transmission beacon (step S1508) among the former BP of radio communication device A4.
Send beacon in oneself the time slot of radio communication device A3 in new BP.This moment, additional management information was management information A1-1, the A4-1 that is used for relaying management information A1-1, A4-0 of reception before the moving of BP.
At this moment, radio communication device A4 detects the beacon from radio communication device A3, according to the reception timing of received beacon, carries out moving to new time domain the login of BP.Therefore, radio communication device A4 oneself the beacon of time slot that terminates in old BP sends.
Radio communication device A1 receives the beacon from radio communication device A3, generates to be used for the management information A4-1 that relaying is attached to the management information Class1 of management information A4-1 wherein.Also have, radio communication device A1 is receiving management information A 1-1 also, but because the source device ID of this management information is the ID of oneself, so discarded then in not carrying out.And, if radio communication device A1 continues to detect the beacon from radio communication device B1, the management information A1-0 of then newly-generated management information type 0.Then, radio communication device A1 sends the beacon (step S1511) that has added these management information A1-0, A4-1 at the time slot of oneself.
Radio communication device A2 receives the beacon from radio communication device A1, for this management information of relaying A1-0, A4-1, the TTL of each management information is deducted " 1 ", generates management information A1-1, the A4-1 of management information Class1.Then, radio communication device A2 sends the beacon (step S1512) that has added this management information A1-1, A4-1 at the time slot of oneself.
In next super frame period, to step S1512, radio communication device A4 receives the beacon from radio communication device A2 at same treatment step S1510.Then, for relaying is attached to management information A1-1 in this beacon, generate the management information A1-1 that TTL is deducted " 1 ".
Also have, radio communication device A4 receiving management information A 4-1, but because the source device ID of this management information is the ID of oneself, so discarded then in not carrying out.And, because radio communication device A4 continues to detect the beacon from radio communication device C1, so the management information A4-0 of newly-generated management information type 0.Then, radio communication device A4 sends the beacon (step S1513) that has added management information A1-1, A4-0 at the time slot of oneself.
It more than is the action when the identical radio communication device A1 of beacon group invades the radio communication device C1 of the radio communication device B1 of other beacon group that the module of BP divide to repeat and unduplicated other beacon group of BP to the mutual communication zone of radio communication device A4.
Thus, during the intrusion of the radio communication device of other beacon group that any one radio communication device of certain beacon group divide to repeat in a module that detects BP, can notify this situation to the radio communication device of the full module of same beacon group.Therefore, the radio communication device that receives the full module of the beacon group of invading can move to unduplicated new BP.
In addition, as the switching timing to the new BP of radio communication device A1, be located at step S1505 to step S1508 repeatedly after 3 times, this number of occurrence can suitably determine according to the size of network.
Also have, as switching timing to the new BP of radio communication device A1, also can radio communication device A1 confirmed from around radio communication device A2 and the beacon of A3 in comprise and switch when source device ID is oneself the management information of management information type 3 of ID.
In the above-described embodiment, radio communication device A2 and radio communication device A3 detect from the beacon after the moving of radio communication device A1, and according to the reception of the beacon that receives regularly, carry out moving to new time domain the login of BP.Yet, be not limited thereto, also can be after detecting this beacon, each radio communication device is regularly to carry out the login of mobile BP arbitrarily.
Also have, each radio communication device also after new BP moves, begins communication at the beacon of the radio communication device of the letter of confirming oneself to come round once more after moving to new BP.Thus, can prevent since the moving medial of BP according to communication regularly inconsistent communication become can not state situation.And distribution network ID in each wireless network also can be so that this network ID be contained in the beacon.Thus, radio communication device A1 and radio communication device B1 will be mobile during BP, and the big side of network ID is moved, and the little not mobile BP of a side of network ID, so can prevent the shortcoming that the mobile simultaneously BP of wireless network owing to two sides repeats once more.
Utilize aforesaid the utility model, each radio communication device in the wireless network is under the situation that sends beacon, the radio communication device of the full module by same beacon group is during unduplicated time domain mobile beacon sends during the beacon with other beacon group sends, and reaches the beacon collision of radio communication device of wireless network that can avoid with from other.
Claims (1)
1. radio communication device is characterized in that comprising:
One antenna;
The analog signal conversion that antenna receives can be become the wireless processing module of digital signal and delta frame;
The frame determination module that can differentiate the frame that wireless processing module receives is the frame of request msg transmitting-receiving or the frame of the beacon collision of notice and his network to judge the frame that is extracted;
From the frame that is received, extract the go forward side by side logging modle of line item of required information by the frame determination module;
Can carry out layer processing module on the above protocol processes of tcp/ip layer;
From logging modle, read information needed, can generate the beacon frame that comprises management information or the frame composition module of Frame;
And beacon sends indicating module;
Described wireless processing module sends indicating module with frame determination module and beacon respectively and links to each other, and the frame determination module links to each other with logging modle, through upper layer processing module frame is passed to the frame composition module simultaneously; Described beacon sends indicating module beacon is sent to logging modle and frame composition module simultaneously, and logging modle sends the information that is write down to the frame composition module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201197949U CN201118636Y (en) | 2007-04-27 | 2007-04-27 | Wireless communication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201197949U CN201118636Y (en) | 2007-04-27 | 2007-04-27 | Wireless communication device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201118636Y true CN201118636Y (en) | 2008-09-17 |
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ID=39993233
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201197949U Expired - Fee Related CN201118636Y (en) | 2007-04-27 | 2007-04-27 | Wireless communication device |
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| Country | Link |
|---|---|
| CN (1) | CN201118636Y (en) |
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2007
- 2007-04-27 CN CNU2007201197949U patent/CN201118636Y/en not_active Expired - Fee Related
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