CN101076183B - Method and telecommunication equipment for inspecting other wireless system - Google Patents
Method and telecommunication equipment for inspecting other wireless system Download PDFInfo
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- CN101076183B CN101076183B CN2006100825457A CN200610082545A CN101076183B CN 101076183 B CN101076183 B CN 101076183B CN 2006100825457 A CN2006100825457 A CN 2006100825457A CN 200610082545 A CN200610082545 A CN 200610082545A CN 101076183 B CN101076183 B CN 101076183B
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/005—Discovery of network devices, e.g. terminals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W24/00—Supervisory, monitoring or testing arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
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- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
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Abstract
The invention is used in a communication device comprising time division duplexing system or other radio systems and currently executing a TDD system service. The method comprises: in the TDD radio subframe, presetting an uplink data transmission time slot capable of detecting other radio systems; when the uplink data transmission time slot arrives, looking up other radio systems in said time slot; if finding a radio system, then recording the information relating to said radio system, and then returning to current TDD service; otherwise, directly returning to current TDD service.
Description
Technical field
The present invention relates to wireless communication technology field, specifically relate to a kind of method and communication apparatus that detects other wireless system at tdd systems.
Background technology
At present, portable terminal is used quite widely as main communication apparatus, and the function of portable terminal also is from strength to strength.Wherein, can communicate, perhaps support the multi-mode mobile communication terminal of multiple wireless network access technology simultaneously, be called for short multi-module mobile terminal, more and more receive consumer's concern with multiple different wireless communication system.In portable terminal, merge the important development direction that other wireless system has become portable terminal.Wherein, fusion other wireless system in portable terminal comprises: the Radio Access Network (RAN) such as Wireless Fidelity (WiFi), World Interoperability for Microwave Access, WiMax (WiMAX), bluetooth (BlueTooth), ultra broadband (UWB), zigzag honeybee (Zigbee), and the cellular mobile communication networks such as Wideband Code Division Multiple Access (WCDMA) (WCDMA), global system for mobile communications (GSM), CDMA1x, CDMA2000, TD-SCDMA.Dispose independent radio frequency (RF) and modulator-demodulator at each system in the multi-module mobile terminal, multi-module mobile terminal is implemented in use in the corresponding system by each RF and modulator-demodulator.
The benefit of multi-module mobile terminal maximum is: can utilize other wireless system to carry out data access or voice IP (VoIP, Voice Over Internet Phone) application, faster data transmission speed and more cheap service are provided; Can also use cellular network to carry out audio call and media interviews, the be covered as user ubiquitous with cellular network provides bigger mobility.
Multi-module mobile terminal is supported more than one wireless communication system simultaneously, so its existing major issue is exactly how to be implemented between different Radio Access Networks and/or the cellular mobile communication networks to switch.Multimode terminal is when realizing switching, and at first the work that will do is exactly to detect other wireless system that this terminal is supported, to find current available network, obtains necessary access parameter.Obviously, the best way is not disturb and also not interrupt ongoing business, particularly real-time voice or video communication service in fast detecting in other wireless system that can insert, and can not increase the complexity of system.
But the common changing method that adopts is disconnection business earlier, finishes in detection and rebuild business again after also successful execution is switched at present, such as, support at present the mode mobile terminal of GSM and WiFi simultaneously, and support simultaneously GSM and BlueTooth the common employing of mode mobile terminal all be this changing method.This just makes that in service switch process mode mobile terminal is when detecting other wireless system, and ongoing business can be disconnected, and this must influence user's use.At this problem, industry has proposed to adopt the method that detects in advance when detecting cell mobile communication systems, to reduce the interference that detected activity causes the business of handling.But the method that this employing detects in advance still can not be avoided interrupting service.In addition, the method that should detect in advance only is applicable to the cell mobile communication systems that coverage is big, for the less Radio Access Network of coverage, then can't adopt this method, also just can't reduce the interference that when detecting other wireless system, current business is caused.Such as, when detected activity took place, multimode terminal just was in outside the Radio Access Network coverage, and soon afterwards, the user has entered network coverage area because of moving, or the user is free on network coverage edge, in this case, then can't adopt the scheme of prior detection.
Also have a kind of detection method in addition, this method need adopt special network measuring module to carry out network measuring, so this method has increased the complexity and the overhead of system.
In sum, in the detection method to other wireless system in the multi-module mobile terminal, some method can be disturbed current business at present, and some method then can increase the complexity and the overhead of system.These present methods do not satisfy in fast detecting in other wireless system that can insert, and do not disturb the ongoing business of yet not interrupting, and do not increase the problem of system complexity.
Summary of the invention
In view of this, it is a kind of from the method that professional TDD system detects other wireless system takes place that subject matter to be solved by this invention is to provide, with when not increasing system complexity and overhead, can fast detecting arrive other wireless system, and can not cause interference ongoing TDD business.
Another problem to be solved by this invention is to provide a kind of communication apparatus of realizing detecting other wireless system.
For overcoming the above problems, the invention provides following technical scheme:
A kind of method that detects other wireless system of the present invention, be applicable to the communication apparatus that comprises tdd systems and other wireless system simultaneously, and the current business of carrying out TDD system of described communication apparatus, set in advance and can be used in the transmitting uplink data time slot that detects other wireless system in the TDD wireless sub-frame, this method may further comprise the steps:
When a. in the pairing TDD wireless sub-frame of current business, can be used in the transmitting uplink data time slot arrival that detects other wireless system, in this slot time, search other wireless system, if find, then receive and write down the relevant information of this wireless system, and return and continue to carry out current TDD business; Otherwise, directly return and continue to carry out current TDD business.
Further comprise before the described step a: determine the current detection that whether needs to carry out other wireless system, if then carry out described step a; Otherwise, do not carry out described step a, and continue to carry out current TDD business.
Determine that current need to carry out detect be: receive the order that detects immediately, perhaps determine the current default sense cycle that is in.
This method may further include: according to setting in advance, each is detected by a TDD wireless sub-frame, perhaps detects by TDD wireless sub-frame continuous more than.
May further include before the described execution in step a: judge the current record that exists of whether having preserved other wireless system,, then carry out described step a if there is not keeping records; Otherwise, do not carry out described step a, and continue to carry out current TDD business.
This method can also be further: show the relevant information that is write down.
The relevant information of described wireless system is the relevant information of channel information, frame offset information or the power control of described wireless system, or the combination in any of the relevant information of the channel information of described wireless system, frame offset information and power control.
A kind of communication apparatus that can detect other wireless system of the present invention, described communication apparatus comprise TDD module, master control system module and other wireless system module simultaneously, wherein,
Described TDD module is further used for detecting other wireless system at needs, and that set in advance in the wireless sub-frame of the current TDD business of carrying out and when can be used in the transmitting uplink data time slot that detects other wireless system and arriving, activate other wireless system module to carry out testing in this time slot notice master control system module; And the continuation of sending according to the master control system module is carried out the notification message of current business or is continued to carry out current TDD business according to the end of the transmitting uplink data time slot that is used to detect other wireless system described in this TDD module;
Described master control system module is further used for activating other wireless system module, and notifying the signal of described other wireless system module in the determined slot time IT of TDD module respective wireless system after obtaining the detection notice that the TDD module sends; And receive that other wireless system module returns catch message after, return the sleep indication to described other wireless system module, and write down the wireless system relevant information that other wireless system module is returned;
Described other wireless system module is further used for after being activated by the master control system module, whether corresponding wireless system arranged in that described slot time IT is current, when not capturing corresponding wireless system, directly send and comprise the message of catching that does not find wireless system, when capturing corresponding wireless system, receive and write down the relevant information of this wireless system, and send the message of catching that comprises this relevant information; And the sleep of sending according to master control system module indication enters sleep state.
Described TDD module is used for determining according to default sense cycle current whether needs detect other wireless system, perhaps determines that according to the order that detects immediately of receiving current needs detect other wireless system.
Described TDD module can be further used for when needs detect other wireless system, judge earlier the current record that exists of whether having preserved described other wireless system of this communication apparatus, when not preserving described existence record, determine current other wireless system that needs to detect, and when preserving described existence record, determine current other wireless system that do not need to detect.
Described master control system module can also be further used for showing the relevant information that is write down to the user.
The present invention is by in the current business of carrying out the TDD system of communication apparatus, and set in advance in the TDD wireless sub-frame of current business when can be used in the transmitting uplink data time slot that detects other wireless system and arrive, in this slot time, searching other wireless system, thereby make and to interrupt ongoing TDD business, can realize detection to other wireless system, and do not need special network measuring module is set, can not increase extra hardware complexity.
And because the detected activity among the present invention program has just taken one or a few transmitting uplink data time slot in the professional wireless sub-frame of TDD, needn't disconnect the Radio Link that the TDD session is set up, therefore can not influence normally carrying out of current business, can not cause interference yet ongoing TDD business.
In addition, the present invention program's detection need not take the absolute time that system is switched, and has therefore also shortened the switching time of system potentially, thereby has made it possible to quickly and smoothly switch to other wireless system from the TDD system.
Description of drawings
Fig. 1 is the realization flow figure of the embodiment of the invention;
Fig. 2 is the structural representation of TD-SCDMA wireless sub-frame in the embodiment of the invention;
Fig. 3 is the structural representation of TD-SCDMA multi-module mobile terminal in the embodiment of the invention;
Fig. 4 is the interaction diagrams of each module among Fig. 3.
Embodiment
Time division duplex (TDD) system is by wireless sub-frame and wireless network interaction data, comprise in the wireless sub-frame that being used for the TDD system uploads the transmitting uplink data time slot (TS) of data to wireless network, the present invention program utilizes the transmitting uplink data time slot in the wireless sub-frame that current other wireless system that can support of the communication apparatus that uses the TDD system is detected.
Wherein, adopting the TDD system is that main system and the communication apparatus of supporting other wireless system have a variety of.No matter be which kind of equipment, can adopt detection method provided by the present invention, and concrete detection method is identical.And main system is exactly an a kind of TDD system in the TD-SCDMA multi-module mobile terminal, is example with the TD-SCDMA multi-module mobile terminal below therefore, reaches specific embodiment in conjunction with the accompanying drawings detection scheme of the present invention is done further detailed description.
The present invention program's detection procedure as shown in Figure 1, corresponding following steps:
Can be used in the transmitting uplink data time slot that detects other wireless system in the wireless sub-frame of step 101, current TDD business arrives.
For the TD-SCDMA multi-module mobile terminal, the TDD business is the TD-SCDMA business.
Because system all can be provided with a lot of parameters at the beginning of session is set up, so in this step, this transmitting uplink data time slot that can be used in detection can set in advance, and can be set to one as required, also can be set to continuous a plurality of.
In this step, can also further show the relevant information of this wireless system that is write down.This relevant information can receive and record as required, such as, can be the relevant information of channel information, frame offset information or the power control of this wireless system, also can be the combination in any of these information.
Can realize detecting processing by above step.
Wherein, can also this detection be set to periodically detect, when each sense cycle arrives, carry out above-mentioned handling process again.Above-mentioned testing process also can be to carry out after receiving the order that detects immediately.Correspondingly, can also before above-mentioned testing process, increase and judge the current processing that whether needs to detect other wireless system, detect if desired, then carry out above-mentioned handling process; Do not handle otherwise do not carry out to detect, and continue to carry out current TDD business.Whether this judgement can be carried out according to whether receiving sense command immediately, also can arrive according to the sense cycle that sets in advance and carry out.
Can also before above-mentioned testing process, increase and judge the current record that exists of whether having preserved other wireless system,, then not need to detect, therefore not carry out above-mentioned processing, and continue to carry out current TDD business if exist; If there is no, then need to carry out above-mentioned processing.
Above-mentioned testing process can only be utilized a wireless sub-frame, be the accuracy that guarantees to detect, can also be configured such that with a plurality of continuous wireless sub-frames and detect, like this, for the wireless sub-frame that is used to detect, corresponding transmitting uplink data time slot all can be used to search other wireless system in each wireless sub-frame.
So that sense cycle to be set is example, adopts in the detection method of a plurality of wireless sub-frames employed wireless sub-frame and corresponding time slot operating position as shown in Figure 2.Wherein, #i represents the radio sub-frame number of TD-SCDMA, and the length of each wireless sub-frame is 5ms; M is the wireless sub-frame number that is used for other wireless system of continuous detecting, also promptly other wireless system is carried out the detection number of times of continuous detecting; N is a number of not carrying out a plurality of continuous wireless sub-frame that detects other wireless system; M+N is the sense cycle value when other wireless system sense cycle is set; TS is a TD-SCDMA wireless sub-frame time slot.And the transmitting uplink data time slot TS3 among Fig. 2 in each wireless sub-frame is set to can be used in other wireless system of detection.
The above is the present invention program's concrete detection method.
For the present invention program, owing to adopt the TDD system all can comprise TDD module, master control system module and other wireless system module in main system and these communication apparatus of supporting other wireless system, and the present invention program's detection is handled needs this several module cooperative work, therefore is described with the processing of specific embodiment to the required execution of these modules more below.And present embodiment is an example with the TD-SCDMA multi-module mobile terminal equally, and the TDD module in this multi-module mobile terminal is the TD-SCDMA submodule, and the relation of each module as shown in Figure 3 in this multi-module mobile terminal.In this multi-module mobile terminal, TD-SCDMA submodule and other wireless system module can not be worked simultaneously, and promptly when the TD-SCDMA submodule was worked, other wireless system module was in sleep state.
TD-SCDMA submodule in the TD-SCDMA multi-module mobile terminal detects other wireless system at needs, and set in advance in the wireless sub-frame of the current TD-SCDMA business of carrying out when can be used in the transmitting uplink data time slot that detects other wireless system and arrive, then notify the master control system module to activate other wireless system module, with the beginning testing process.The continuation that this TD-SCDMA submodule also needs to send according to the master control system module is carried out the notification message of current business or is continued to carry out current TD-SCDMA business according to the message that the transmitting uplink data time slot that is used in this module detect finishes.Wherein, whether the transmitting uplink data time slot finishes and can determine that this end then specifically can be the timer full scale will information that timer sends by the timer in the TD-SCDMA submodule.
The master control system module then after obtaining the detection notice that the TD-SCDMA submodule sends, activates other wireless system module immediately, and notifies the signal of this wireless system module in the determined slot time IT of TD-SCDMA module respective wireless system.This module also receive that other wireless system module returns catch message after, send the sleep indication to this wireless system module, and write down the wireless system relevant information that other wireless system module is returned.In addition, the master control system module can also further show the relevant information that is write down to the user.
Other wireless system module is then after being activated by the master control system module, whether corresponding wireless system arranged in that this slot time IT is current, and when not capturing corresponding wireless system, directly send and comprise the message of catching that does not find wireless system, when capturing corresponding wireless system, receive and write down the relevant information of this wireless system, and send the message of catching that comprises this relevant information to the master control system module.This module also enters sleep state according to the sleep indication that the master control system module is sent.
In addition, the TD-SCDMA submodule can also determine current whether needs detect other wireless system according to default sense cycle, perhaps determines that according to the order that detects immediately of receiving current needs detect other wireless system.And if both of these case all exists, then can judge successively both of these case, such as, judge earlier the current order of detection immediately of whether receiving, if do not receive, then can judge the current sense cycle that whether is in again.
Owing to may preserve the record that exists of other wireless system that will detect in this communication apparatus, therefore, the TD-SCDMA submodule can also be before detecting other wireless system, judge earlier the record that exists of whether having preserved other wireless system in this communication apparatus, if do not preserve, then determine current other wireless system that needs to detect, therefore can carry out follow-up definite transmitting uplink data time slot and other processing.Certainly, if preserved, then can no longer detect and handle.
Based on the handling process of a preferred embodiment of above-mentioned TD-SCDMA submodule, master control system module and other wireless system module as shown in Figure 4.
Because above-mentioned processing just utilizes the transmitting uplink data time slot in the wireless sub-frame of current business to detect, therefore can not cut off current business, and detect shared transmitting uplink data time slot and have only one or limited several, therefore shared slot time is very short, current business can be interfered hardly, thereby has realized not interrupting and not disturbing under the situation of current business detection to other wireless system.
The above only is the present invention program's preferred embodiment, not in order to limit protection scope of the present invention.
Claims (11)
1. method that detects other wireless system, be applicable to the communication apparatus that comprises tdd systems and other wireless system simultaneously, and the current business of carrying out TDD system of described communication apparatus, it is characterized in that, set in advance and can be used in the transmitting uplink data time slot that detects other wireless system in the TDD wireless sub-frame, this method may further comprise the steps:
When a. in the pairing TDD wireless sub-frame of current business, can be used in the transmitting uplink data time slot arrival that detects other wireless system, in this slot time, search other wireless system, if find, then receive and write down the relevant information of this wireless system, and return and continue to carry out current TDD business; Otherwise, directly return and continue to carry out current TDD business.
2. method according to claim 1 is characterized in that, further comprises before the described step a: determine the current detection that whether needs to carry out other wireless system, if then carry out described step a; Otherwise, do not carry out described step a, and continue to carry out current TDD business.
3. method according to claim 2 is characterized in that, determines that current need to carry out detect be: receive the order that detects immediately, perhaps determine the current default sense cycle that is in.
4. method according to claim 1 is characterized in that, this method further comprises: according to setting in advance, each is detected by a TDD wireless sub-frame, perhaps detects by TDD wireless sub-frame continuous more than.
5. method according to claim 1 is characterized in that, further comprises before the described execution in step a: judge the current record that exists of whether having preserved other wireless system, if there is not keeping records, then carry out described step a; Otherwise, do not carry out described step a, and continue to carry out current TDD business.
6. method according to claim 1 is characterized in that, this method is further: show the relevant information that is write down.
7. method according to claim 1, it is characterized in that, the relevant information of described wireless system is the relevant information of channel information, frame offset information or the power control of described wireless system, or the combination in any of the relevant information of the channel information of described wireless system, frame offset information and power control.
8. communication apparatus that can detect other wireless system, described communication apparatus comprises TDD module, master control system module and other wireless system module simultaneously, it is characterized in that,
Described TDD module is further used for detecting other wireless system at needs, and that set in advance in the wireless sub-frame of the current TDD business of carrying out and when can be used in the transmitting uplink data time slot that detects other wireless system and arriving, activate other wireless system module to carry out testing in this time slot notice master control system module; And the continuation of sending according to the master control system module is carried out the notification message of current business or is continued to carry out current TDD business according to the end of the transmitting uplink data time slot that is used to detect other wireless system described in this TDD module;
Described master control system module is further used for activating other wireless system module, and notifying the signal of described other wireless system module in the determined slot time IT of TDD module respective wireless system after obtaining the detection notice that the TDD module sends; And receive that other wireless system module returns catch message after, return the sleep indication to described other wireless system module, and write down the wireless system relevant information that other wireless system module is returned;
Described other wireless system module is further used for after being activated by the master control system module, whether corresponding wireless system arranged in that described slot time IT is current, when not capturing corresponding wireless system, directly send and comprise the message of catching that does not find wireless system, when capturing corresponding wireless system, receive and write down the relevant information of this wireless system, and send the message of catching that comprises this relevant information; And the sleep of sending according to master control system module indication enters sleep state.
9. communication apparatus according to claim 8 is characterized in that,
Described TDD module is used for determining according to default sense cycle current whether needs detect other wireless system, perhaps determines that according to the order that detects immediately of receiving current needs detect other wireless system.
10. according to Claim 8 or 9 described communication apparatus, it is characterized in that,
Described TDD module is further used for when needs detect other wireless system, judge earlier the current record that exists of whether having preserved described other wireless system of this communication apparatus, when not preserving described existence record, determine current other wireless system that needs to detect, and when preserving described existence record, determine current other wireless system that do not need to detect.
11. communication apparatus according to claim 8 is characterized in that,
Described master control system module is further used for showing the relevant information that is write down to the user.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100825457A CN101076183B (en) | 2006-05-17 | 2006-05-17 | Method and telecommunication equipment for inspecting other wireless system |
| PCT/CN2007/001602 WO2007131454A1 (en) | 2006-05-17 | 2007-05-17 | A method and communication device for detecting other wireless system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2006100825457A CN101076183B (en) | 2006-05-17 | 2006-05-17 | Method and telecommunication equipment for inspecting other wireless system |
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| CN101076183A CN101076183A (en) | 2007-11-21 |
| CN101076183B true CN101076183B (en) | 2010-04-14 |
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| CN101521903B (en) * | 2008-02-26 | 2012-01-25 | 大唐移动通信设备有限公司 | Method, device and terminal for realizing observed time difference type 1 |
| CN112787751B (en) * | 2019-11-11 | 2023-03-24 | 海能达通信股份有限公司 | Data transmission method, data receiving method and related device |
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| GB2381699A (en) * | 2001-10-30 | 2003-05-07 | Toshiba Res Europ Ltd | Alternative mode monitoring by a transceiver which switches to half rate traffic channels when it monitors other communication modes |
| CN1582053A (en) * | 2003-08-12 | 2005-02-16 | 三星电子株式会社 | Mobile communication system switching over between different mobile communication networks and swithing method using the same |
| CN1610422A (en) * | 2003-10-24 | 2005-04-27 | 华为技术有限公司 | Method for controlling multimode terminal switch-in |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2381699A (en) * | 2001-10-30 | 2003-05-07 | Toshiba Res Europ Ltd | Alternative mode monitoring by a transceiver which switches to half rate traffic channels when it monitors other communication modes |
| CN1582053A (en) * | 2003-08-12 | 2005-02-16 | 三星电子株式会社 | Mobile communication system switching over between different mobile communication networks and swithing method using the same |
| CN1610422A (en) * | 2003-10-24 | 2005-04-27 | 华为技术有限公司 | Method for controlling multimode terminal switch-in |
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| CN101076183A (en) | 2007-11-21 |
| WO2007131454A1 (en) | 2007-11-22 |
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