CN101730282A - WiFi system for speedily wirelessly transmitting action voice and video data - Google Patents
WiFi system for speedily wirelessly transmitting action voice and video data Download PDFInfo
- Publication number
- CN101730282A CN101730282A CN200810170972A CN200810170972A CN101730282A CN 101730282 A CN101730282 A CN 101730282A CN 200810170972 A CN200810170972 A CN 200810170972A CN 200810170972 A CN200810170972 A CN 200810170972A CN 101730282 A CN101730282 A CN 101730282A
- Authority
- CN
- China
- Prior art keywords
- wifi
- base station
- package
- wifi base
- action device
- 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.)
- Pending
Links
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention relates to a WiFi system for speedily wirelessly transmitting action voice and video data, comprising a plurality of running gears and at least one WiFi base platform which are in parallel connection with a WiFi network. The WiFi base platform is arranged for transmitting package to the running gear in a time frame and receiving the package from the running gear in the time frame. The time frame repeats in a preset time period and is divided into a plurality of variable-size time slots. Each time slot is corresponding to a running gear. The WiFi base platform is arranged for transmitting and receiving package via TEEE 802.11 engine, so all the WiFi base platforms can rapidly switch between base platforms by sharing one channel.
Description
Technical field
The invention relates to the WiFi system and method for a kind of wirelessly transmitting action voice and image data, refer in particular to a kind of WiFi system and method that is applicable to high-speed radio transmission action voice and image data.
Background technology
Today, many dealers competitively provide the service that transmits voice and image data with Radio Transmission Technology, wherein, are the service of extensively being expected with low-cost, easy-to-use voice and image communication, for example: the WiFi system.But still there are many an open questions still in the communication quality of WiFi wireless transmission of voice and viewdata at present, for example the user is when high-speed mobile, voice and multimedia image data must be switched (Handover) to next WiFi base station from a WiFi base station real-time, otherwise can damage the quality of data and system effectiveness, even can break.
In order to address the above problem, someone proposes all WiFi base stations and all uses same channel, between base station, to switch apace, but use same channel can cause the problem of system interference, so there is the people to propose to use TCM (the Time-Division Multiplexing of hardware type, TDM) technology is improved the problem of system interference, as shown in Figure 1, it is in base station 1 and mobile phone T1, T2 utilizes multiplexer 2 at mobile phone T1, T2 between the T3, the time slot of T3 correspondence transmits package, yet this kind TCM technology is applied in still can't do the data switching effectively when high-speed mobile in the WiFi system, so if can there be the WiFi system of an improvement can solve above-mentioned interference problem and improve its QoS quality, the consumer just can be provided a low-cost and high-quality new communication system, and real is a big Gospel of society.
Summary of the invention
In view of above-mentioned known interference problem, main purpose of the present invention is to provide the WiFi system of a kind of high-speed radio transmission action voice and image data, it comprises a plurality of running gears and at least one WiFi base station, it also is connected to the WiFi network, the WiFi base station transmits package to running gear in time frame (Time frame), and in time frame, receive package from running gear, time frame system repeated with the default time cycle, time cycle can be at least one millisecond, time frame also is partitioned into a plurality of variable time slots (Variable-sized time slot), each time slot can correspond to each running gear, and the WiFi base station transmits/receive package respectively via IEEE 802.11 mechanism.
Wherein, when the WiFi base station transmits package to running gear, the WiFi base station is only at the corresponding time slot of the appointment predetermined package of device that just stands by, the WiFi base station is in the preceding buffering operation of carrying out package of corresponding time slot, when running gear transmits package to the WiFi base station, after package installs corresponding time slot in action and is sent to the WiFi base station, the WiFi base station promptly produces confirms that notice (Acknowledge) is to running gear, confirm that notice is defined by IEEE 802.11 communications protocol, do not notify then running gear to abdicate (Back-off) a period of time identical package that retransfers again if receive the confirmation, up to package transmission success, so, can make all WiFi base stations use same channel, voice and multimedia image data also can be switched between the WiFi base station apace.
Another object of the present invention is to provide a kind of method in WiFi system high-speed wirelessly transmitting action voice and image data, the WiFi system includes a plurality of running gears, reaches at least one WiFi base station, it also is connected to the WiFi network, the WiFi base station transmits package to running gear by IEEE 802.11 mechanism, wherein, the WiFi base station is only at the corresponding time slot of the appointment predetermined package of device that just stands by, the size of corresponding time slot is variable, and the WiFi base station receives package by IEEE 802.11 mechanism from a plurality of running gears.At first, package installs corresponding time slot in action and is sent to the WiFi base station, the WiFi base station produces confirms to be notified to running gear, confirm that notice is defined by IEEE 802.11 communications protocol, if running gear does not receive the confirmation notice, running gear is abdicated (Back-off) a period of time identical package that retransfers again, up to package transmission success.
Method by WiFi system high-speed wirelessly transmitting action voice of the present invention and image data, the WiFi base station uses same channel, voice and multimedia image data also can be switched between the WiFi base station apace, so can solve the problem while of disturbing and improve its QoS quality.
Description of drawings
Fig. 1 is known TCM technology schematic diagram.
Fig. 2 (a)～(b) is that the WiFi base station of one embodiment of the invention transmits package to the running gear schematic diagram.
Fig. 3 (a)～(b) is that the WiFi base station of one embodiment of the invention receives the package schematic diagram from running gear.
Fig. 4 (a)～(b) is the WiFi system high-speed wirelessly transmitting action voice of another embodiment of the present invention and the schematic diagram of image data.
Fig. 5 (a)～(b) is the WiFi system high-speed wirelessly transmitting action voice of another embodiment of the present invention and the schematic diagram of image data.
Primary clustering symbol description in the accompanying drawing
1 base station
2 multiplexers
T1, T2, T3 mobile phone
21,22,23,24,25 running gears
The 3WiFi base station
The 4WiFi network
Embodiment
For allowing the reader more understand technology contents of the present invention, special WiFi system with a kind of high-speed radio transmission action voice and image data is that preferred embodiment is described as follows, please consult Fig. 2 (a)～(b) and Fig. 3 (a)～(b) earlier, Fig. 2 (a)～(b) is that the WiFi base station 3 of a preferred embodiment of the present invention transmits package to running gear 21,22,23,24 schematic diagram, Fig. 3 (a)～(b) is that the WiFi base station 3 of a preferred embodiment of the present invention is from running gear 21,22,23,24 receive the package schematic diagram, its WiFi system that shows a preferred embodiment of the present invention includes four running gears 21,22,23,24 and one WiFi base station 3, it also is connected to a WiFi network 4, and Fig. 2 (a)～(b) transmits package to running gear 21 after showing that WiFi base station 3 receives package by WiFi network 4 in time frame (Time frame), 22,23,24, Fig. 3 (a)～(b) show WiFi base station 3 in time frame from running gear 21,22, behind 23, the 24 reception packages, transmit package to WiFi network 4.
Wherein, time frame is to repeat with the default time cycle, the time cycle of present embodiment is preferably one millisecond, time frame also is split into a plurality of time slots (Time slot), the size of the corresponding time slot of present embodiment preferably is variable, each time slot corresponds to each running gear, and WiFi base station 3 transmits/receive package respectively via a transmission mechanism, and the transmission mechanism of present embodiment is preferably IEEE802.11.By guaranteeing that a time slot is used by the specific action device, therefore, will be declined (reject) by WiFi base station 3 in this time slot by the package that other running gear is sent.In detail, when WiFi base station 3 transmits package to running gear 21,22,23,24 o'clock, WiFi base station 3 is only in the corresponding time slot of the appointment device 21,22 that just stands by, 23,24 predetermined packages, WiFi base station 3 can be delivered to running gear 21,22,23 with tendency to develop earlier, 24 package is cushioned, come then up to its specified corresponding time slot, just the package with buffering sends running gear 21,22 to, 23,24, each time slot is promptly operated in this way by WiFi base station 3, shown in Fig. 2 (a)～(b).
And when running gear 21,22,23,24 when transmitting packages to WiFi base station 3, different running gears 21,22,23,24th, the mode of competing (Contention) with IEEE802.11 transmits package to WiFi base station 3, wherein, the IEEE802.11 standard definition has response (ACK) mechanism, utilizes this mechanism can discharge (push away) and be not allowed to the running gear 21,22 that transmits in a time slot, 23,24 package will not transmit response (NAK) by WiFi base station 3 for non-package corresponding to specific time slot, transmits the running gear 21 of these packages, 22,23,24 will abdicate (Back-off) a period of time identical package that retransfers again, and if in package that this specific time slot transmitted for coming self- corresponding running gear 21,22,23,24, then this WiFi base station 3 will transmit response (ACK) to finish 802.11 mechanism.That is, package installs 21 in action, 22, after the time slot of 23,24 correspondences was sent to WiFi base station 3, WiFi base station 3 promptly produces confirmed that notice (Acknowledge) is to running gear 21,22,23,24, the affirmation notice of present embodiment is preferably by IEEE 802.11 communications protocol and is defined, do not notify then running gear 21 if receive the confirmation, 22,23,24 abdicate (Back-off) a period of time identical package that retransfers again, up to package transmission success, shown in Fig. 3 (a)～(b), by this mechanism, after the time slot that running gear is learnt to transmit, just can be with the time slot Data transmission, treat to successively decrease because of the frequency range waste that collision is caused after the affiliated time slot of all running gears understandings, promote efficiency of transmission, and the multimedia service of reaching high-quality, so, can make all WiFi base stations use same channel, voice and multimedia image data also can be switched between the WiFi base station apace.
The present invention describes for another embodiment with a kind of method in WiFi system high-speed wirelessly transmitting action voice and image data again, and shown in Fig. 4 (a)～(b), the WiFi system includes four running gears 21,22,23,24 and one WiFi base station 3, it also is connected to a WiFi network 4, and WiFi base station 3 transmits package to running gear 21,22 by IEEE 802.11 mechanism, 23,24, or receive from running gear 21,22,23,24 package, wherein, WiFi base station 3 is only at the corresponding time slot of the appointment device 21 that just stands by, 22,23,24 predetermined packages, the size of corresponding time slot is variable, and WiFi base station 3 passes through IEEE 802.11 mechanism from running gear 21,22,23,24 receive package, at first, package installs 21,22,23 in action, the time slot of 24 correspondences is sent to WiFi base station 3, WiFi base station 3 produces confirms to be notified to running gear 21,22,23,24, confirm that notice is defined by IEEE 802.11 communications protocol, if running gear 21,22,23,24 do not receive the confirmation notice, running gear 21,22,23,24 abdicate (Back-off) a period of time identical package that retransfers again, and up to package transmission success, and WiFi base station 3 is corresponding to running gear 21,22, transmit package in 23,24 the time slot to this action device 21,22,23,24.In addition, in present embodiment, time slot 1, time slot 2, time slot 3 corresponding running gears 21,22,23 use, and time slot 4 is by running gear 21,22, and the competition mechanism of 23,24 foundations 802.11 is used.
The present invention describes for another embodiment with a kind of method in WiFi system high-speed wirelessly transmitting action voice and image data in addition, shown in Fig. 5 (a)～(b), the WiFi system includes five running gears 21,22,23,24,25 and one WiFi base station 3, it also is connected to a WiFi network 4, WiFi base station 3 transmits package to running gear 21 by IEEE 802.11 mechanism, 22,23,24,25, or receive from running gear 21,22,23,24,25 package, wherein, WiFi base station 3 can work in a plurality of different wireless frequencies, in present embodiment is to be the example explanation to work in first wireless frequency and second wireless frequency, when in first wireless frequency, be same as last embodiment, WiFi base station 3 is only at the corresponding time slot of the appointment device 21 that just stands by, 22,23,24 predetermined packages, the size of corresponding time slot is variable, and WiFi base station 3 passes through IEEE 802.11 mechanism from running gear 21,22,23,24 receive package, package installs 21 in action, the time slot of 22,23,24 correspondences is sent to WiFi base station 3, WiFi base station 3 produces confirms to be notified to running gear 21,22,23,24, confirm that notice is defined by IEEE 802.11 communications protocol, if running gear 21,22,23,24 do not receive the confirmation notice, running gear 21,22,23,24 abdicate (Back-off) a period of time identical package that retransfers again, up to package transmission success, and WiFi base station 3 is corresponding to running gear 21,22,23, transmit package in 24 the time slot to this action device 21,22,23,24, and wherein time slot 1, time slot 2, time slot 3 is that corresponding running gear 21,22,23 uses, and time slot 4 is by running gear 21, the competition mechanism of 22,23,24 foundations 802.11 is used.When in second wireless frequency, defining all time slots all is to be used according to 802.11 competition mechanism by running gear 24,25.
By the WiFi system high-speed wirelessly transmitting action voice of the invention described above and the method for image data, the WiFi base station uses same channel, voice and multimedia image data also can be switched between the WiFi base station apace, so can solve the problem while of disturbing and improve its QoS quality.
The foregoing description only is to give an example for convenience of description, and the interest field that the present invention advocated is from should but not only limiting to the foregoing description with described being as the criterion of claim scope of application.
Claims (11)
1. the WiFi system of high-speed radio transmission action voice and image data comprises:
A plurality of running gears; And
At least one WiFi base station, in a time framework, transmit package to this action device, and in a time framework, receive package from this action device, this time frame is to repeat with a default time cycle, and be split into a plurality of time slots, these a plurality of time slots correspond to this a plurality of running gears respectively, and this WiFi base station transmits/receive package respectively via an IEEE 802.11 mechanism;
Wherein, when transmitting package to this action device from this WiFi base station, this WiFi base station is only just prepared the predetermined package of this action device at the corresponding time slot of appointment, when transmitting package to this WiFi base station from this action device, package is after the time slot of this action device correspondence is sent to this WiFi base station, this WiFi base station promptly produces confirms to be notified to this action device, does not notify then this action device to abdicate a period of time identical package that retransfers again if receive the confirmation.
2. WiFi as claimed in claim 1 system, wherein, this WiFi base station is in the preceding buffering operation of carrying out package of corresponding time slot.
3. WiFi as claimed in claim 1 system, wherein, the size of this correspondence time slot is variable.
4. WiFi as claimed in claim 1 system, wherein, this affirmation notice is defined by IEEE 802.11 communications protocol.
5. WiFi as claimed in claim 1 system, wherein, this WiFi base station is connected to a WiFi network.
6. WiFi as claimed in claim 1 system, wherein, one of them is to be defined as by a plurality of running gears to use according to 802.11 competition mechanism for these a plurality of time slots.
7. WiFi as claimed in claim 1 system, wherein, this at least one WiFi base station works in a plurality of different wireless frequencies.
8. one kind in the method for WiFi system high-speed wirelessly transmitting action voice and image data, this WiFi system includes a plurality of running gears, reaches at least one WiFi base station, this WiFi base station transmits package to this action device by an IEEE 802.11 mechanism, wherein, this WiFi base station is only just prepared the predetermined package of this action device at the corresponding time slot of appointment, and this WiFi base station receives package by an IEEE802.11 mechanism from these a plurality of running gears, and this method comprises:
Package is sent to this WiFi base station at the time slot of this action device correspondence;
This WiFi base station produces confirms to be notified to this action device; And
If this action device do not receive the confirmation notice, this action device is abdicated a period of time identical package that retransfers again.
9. method as claimed in claim 8, wherein, this affirmation notice is defined by IEEE 802.11 communications protocol.
10. method as claimed in claim 8, wherein, the size of this correspondence time slot is variable.
11. method as claimed in claim 8, wherein, this WiFi base station is connected to a WiFi network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810170972A CN101730282A (en) | 2008-10-21 | 2008-10-21 | WiFi system for speedily wirelessly transmitting action voice and video data |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810170972A CN101730282A (en) | 2008-10-21 | 2008-10-21 | WiFi system for speedily wirelessly transmitting action voice and video data |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101730282A true CN101730282A (en) | 2010-06-09 |
Family
ID=42450256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810170972A Pending CN101730282A (en) | 2008-10-21 | 2008-10-21 | WiFi system for speedily wirelessly transmitting action voice and video data |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101730282A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103200575A (en) * | 2012-01-05 | 2013-07-10 | 英属维京群岛商速位互动股份有限公司 | Wireless communication method used for wireless high fidelity network |
| TWI575989B (en) * | 2014-10-31 | 2017-03-21 | 瑞昱半導體股份有限公司 | Wireless communication system, method and device under contention-based protocol |
| US10271352B2 (en) | 2016-07-19 | 2019-04-23 | Realtek Semiconductor Corp. | Wireless communication system and associated wireless communication method and wireless device having efficient polling mechanism in overlapping network environments |
-
2008
- 2008-10-21 CN CN200810170972A patent/CN101730282A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103200575A (en) * | 2012-01-05 | 2013-07-10 | 英属维京群岛商速位互动股份有限公司 | Wireless communication method used for wireless high fidelity network |
| TWI575989B (en) * | 2014-10-31 | 2017-03-21 | 瑞昱半導體股份有限公司 | Wireless communication system, method and device under contention-based protocol |
| US9848423B2 (en) | 2014-10-31 | 2017-12-19 | Realtek Semiconductor Corp. | Wireless communication system and associated wireless communication method |
| US10390341B2 (en) | 2014-10-31 | 2019-08-20 | Realtek Semiconductor Corp. | Wireless communication system and associated wireless communication method |
| US10271352B2 (en) | 2016-07-19 | 2019-04-23 | Realtek Semiconductor Corp. | Wireless communication system and associated wireless communication method and wireless device having efficient polling mechanism in overlapping network environments |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1312955C (en) | Radio communication system | |
| CN100581093C (en) | Wireless transceiver and method for communication by the transceiver | |
| US9113398B2 (en) | Multirole device muxing channel scan with channel scan time slices | |
| JP4606496B2 (en) | Mobile station, radio base station, mobile communication system, and broadcast information transmission / reception method | |
| US8270321B1 (en) | Data transmission method and base station | |
| HU215226B (en) | Two-way network | |
| CN101272561A (en) | Method and apparatus for handling random access procedure in a wireless communications system | |
| US20130343350A1 (en) | Synchronization in a communication system | |
| CN101601236A (en) | Managing unscheduled wireless communication in multiradio device | |
| JP2004364308A (en) | Short-distance communication system and method in radio communication system | |
| CN104904135A (en) | Methods, apparatus and computer programs for half-duplex frequency division duplexing | |
| EP1761100A3 (en) | Wireless communication terminal and method for emergency call connection using hand-off | |
| AU2005226531B2 (en) | Method of signaling reverse channel information with minimal voice/data delay | |
| EP3496469B1 (en) | Data transmission mechanism of time-division duplex communication system supporting different radio communication standards | |
| EP2117196A1 (en) | Communication device and power supply method | |
| CN111010696B (en) | Networking method of cluster ad hoc network system and ad hoc network base station | |
| CN101489272B (en) | Wireless terminal and wireless base station | |
| CN101730282A (en) | WiFi system for speedily wirelessly transmitting action voice and video data | |
| CN102271403B (en) | Multi-channel multiplexing method of super-high-speed wireless personal area network | |
| CN103167629B (en) | Method for performing off-line direct mode operation based on groups under public network time division-long term evolution (TD-LTE) | |
| US6272166B1 (en) | Reduced gain spread spectrum communication system and method | |
| CN103582149A (en) | Resource scheduling method and device of VOLTE | |
| GB2416464A (en) | Time-division synchronization radio modem apparatus | |
| CN101521538B (en) | Method and communication equipment for supporting relay transmission | |
| CN102883344A (en) | Method and device for exchanging of wireless network management messages |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20100609 |