CN102573038A - Coexistence method of a plurality of communication modules in communication equipment and communication equipment - Google Patents
Coexistence method of a plurality of communication modules in communication equipment and communication equipment Download PDFInfo
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- CN102573038A CN102573038A CN2010106239677A CN201010623967A CN102573038A CN 102573038 A CN102573038 A CN 102573038A CN 2010106239677 A CN2010106239677 A CN 2010106239677A CN 201010623967 A CN201010623967 A CN 201010623967A CN 102573038 A CN102573038 A CN 102573038A
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Abstract
The embodiment of the invention discloses a coexistence method of a plurality of communication modules in communication equipment and the communication equipment. The method comprises the steps of obtaining discontinuous reception (DRX) configuration information of a first module operating at a first frequency band and judging the operating status of the first module according to the DRX configuration information; wherein a second module operating at a second frequency band stops sending information when the first module is in reception status. The equipment comprises the first module and the second module. The first module operates at the first frequency band in a way of DRX; and the second module is used for obtaining DRX configuration information of the first module and judging the operating status of the first module according to the DRX configuration information and the second module stops sending information when the first module is in a reception status. The method and the equipment can be used for improving the resource utilization rate of a system.
Description
Technical field
The present invention relates to mobile communication technology, relate in particular to a plurality of communication module coexistence methods and communication equipment in the communication equipment.
Background technology
Along with the development of mobile communication technology, adjacent frequency module can occur and coexist as the situation in the communication equipment, adjacent frequency module wherein is meant the module that works in adjacent or near frequency band.Be example with Long Term Evolution (LTE) system below, the adjacent frequency module coexistence method in the communication equipment is introduced.
Fig. 1 is the working frequency range and the ISM band sketch map of LTE system.
As shown in Figure 1, the working frequency range of LTE system (being called for short the LTE frequency range) comprises Band 40 (2300-2400MHz) and Band 7 (2500-2570/2620-2690MHz), and (2400-2483.5MHz) is adjacent with ISM band.
Therefore, if in same communication equipment the existing module that works in the LTE frequency range (being called for short the LTE communication module), the wireless communication module of the ISM band of working in is arranged again, then the interference between these two modules is bigger.Typically; Communication module in the present LTE terminal works in the LTE frequency range; WiFi in this LTE terminal or bluetooth (BT) module (WiFi/BT module) then work in ISM band; Because the antenna isolation very little (about 12dB) between two modules, there are comparatively serious disturbance in the communication module in the LTE terminal and WiFi/BT module, similar LTE communication module and WiFi/BT module be this work between the module (being called for short adjacent frequency module) of different frequency range the coexistence problems ten minutes seriously.
Carry out exemplary illustration in the face of the coexistence problems of adjacent frequency module down:
In the wireless communication system of adjacent work frequently, because two kinds of typical interference will appear in the imperfection of transmitter and receiver usually: the imperfect victim receiver decreased performance that causes of victim receiver decreased performance that transmitter strap external leakage (unwanted emission) causes and receiver band outside inhibitory.Two kinds of interference exist simultaneously.
Usually with terminal loss of sensitivity 3dB as the index that allows maximum spur to disturb, but because extensively there is and the outer spuious index of band relatively poor (adjacent band can only reach-more than the 1GHz of the ITU regulation of 30dBm/MHz general spuious index) in ISM equipment.The transmitting power of supposing WiFi is 15dBm; Stray radiant power in the 2380-2400MHz frequency range is-30dBm/MHz; Be isolated into 15dBi in same terminal between LTE and WiFi antenna; The 2380-2400MHz radiant power that then receives at the LTE terminal antenna is-45dBm/MHz, and make an uproar at the bottom of the receiver of LTE UE power for-92dBm (174+60+13+9), then because WiFi disturbs the quick 47dB of being about that falls that causes; Fall quick criterion considerably beyond common used 3dB, must adopt certain measure just can guarantee the operate as normal of LTE.
Fig. 2 is LTE frequency range and WiFi module frequency range sketch map commonly used.
As shown in Figure 2; The most frequently used channel configuration of WiFi is Channel 1 (CN1); Channel 6 (CN6) and Channel 11 (CN11), the LTE to Band 40 when WiFi uses CN1 disturbs maximum (clutter interference & barrage jamming), wherein; Clutter interference will reduce along with the reduction of LTE operating frequency, but barrage jamming is almost equal at the diverse location of 2300-2400MHz frequency.
During according to LTE communication module and the coexistence of WiFi/BT module; The WiFi/BT module is fallen quick analysis result to the LTE terminal receiver when the different operating frequency; When the WiFi/BT module is operated in CN1; To cause and fall in the 2345-2400MHz scope quickly greater than 50dB, fall quick between 10dB to 50dB in the 2300-2345MHz.If the LTE communication module is worked, will receive very large disturbance in this frequency range.Because the WiFi/BT module selects frequency to be likely at random, if the WiFi/BT module is operated in Channel 1, will cause the LTE communication module in whole frequency by saturated, can't operate as normal.So, must utilize the time domain coordination approach, guarantee that the LTE terminal also can operate as normal under the poorest situation.
At present, existing LTE communication module in the LTE terminal, when the WiFi/BT module is arranged again, adopt following method to make LTE communication module and WiFi/BT module coexist:
The LTE system is LTE communication module configuration uplink and downlink timeslot, and the WiFi/BT module is according to the uplink and downlink timeslot proportioning of LTE module, stops transmission information at the descending time slot of LTE module, and only the ascending time slot in the LTE module sends information.
Yet owing to all descending time slots in the LTE communication module, the WiFi/BT module all can not be sent information, so usage factor of system resource is lower.For example, if two ascending time slots in the 5ms radio frames, three descending time slots, then the WiFi/BT module all can not be sent information in 60% time, with operating efficiency that has a strong impact on the WiFi/BT module and usage factor of system resource.
Summary of the invention
In view of this, the invention provides a plurality of communication module coexistence methods and communication equipment in a kind of communication equipment, to improve resource utilization ratio.
Technical scheme of the present invention specifically is achieved in that
A plurality of communication module coexistence methods in a kind of communication equipment, this method comprises:
Obtain the DRX configuration information of first module that works in first frequency range;
Judge the operating state of first module according to this DRX configuration information, when said first module was in accepting state, second module that works in second frequency range stopped transmission information.
A kind of communication equipment, this equipment comprise first module and second module, and first module works in different frequency ranges respectively with second module;
Said first module adopts the DRX mode to work;
Said second module is used for judging according to the DRX configuration information of first module operating state of first module, when said first module is in accepting state, stops transmission information.
A kind of communication equipment, this equipment comprise first module, main control module and second module;
Said first module adopts the DRX mode to work;
Said main control module is used to obtain the DRX configuration information of first module, judges the operating state of first module according to this DRX configuration information, when said first module is in accepting state, sends to said second module and to stop indication;
Said second module is used for receiving saidly when stopping to indicate, and stops transmission information.
A kind of communicator, this device comprises configuration information acquisition module, condition judgment module and transceiver module;
Said configuration information acquisition module is used to obtain the DRX configuration information of another communicator;
Said condition judgment module is used for the operating state according to this this another communicator of DRX configuration information judgement;
Said transceiver module is used for when said condition judgment module is judged this another communicator and is in accepting state, stopping transmission information, when said condition judgment module is judged this another communicator and is in non-accepting state, and reception information or transmission information.
Visible by technique scheme; The present invention is through obtaining the DRX configuration information of adjacent frequency module; Judge the actual working state of adjacent frequency module according to this DRX configuration information; When adjacent frequency module actual is in accepting state, stop transmission information then, and determine whether stopping transmission information according to the uplink and downlink timeslot proportioning of adjacent frequency module merely and can improve resource utilization ratio.
Description of drawings
Fig. 1 is the working frequency range and the ISM band sketch map of LTE system.
Fig. 2 is LTE frequency range and WiFi module frequency range sketch map commonly used.
Fig. 3 is the principle schematic of DRX pattern.
Fig. 4 is the adjacent frequency module coexistence method flow chart in the communication equipment provided by the invention.
Fig. 5 is communication equipment first structure chart of adjacent frequency module coexistence provided by the invention.
Fig. 6 is communication equipment second structure chart of adjacent frequency module coexistence provided by the invention.
Fig. 7 is communication apparatus structure figure provided by the invention.
Embodiment
Discontinuous reception (DRX) pattern is a kind of mode of operation that proposes in order to save subscriber equipment (UE) electric quantity consumption; For the LTE system, DRX both can be applied in idle (RRC_Idle) state of Radio Resource control, was used for monitored call channel and broadcast channel; Also can be applied under Radio Resource control connection (RRC_Connected) state; Be used for the optimization system resource distribution, practice thrift terminal power, need not reach this purpose through letting mobile phone enter into the RRC_IDLE pattern.
Adopt the operating state of the UE of DRX pattern can simply be divided into accepting state and silent status, when accepting state, UE receives information, and when silent status, UE stops reception information.Can confirm concrete operating state according to the DRX configuration information of UE at particular moment (for example current time or sometime follow-up), for example, for the LTE system; The DRX configuration information comprises onDurationTimer, drx-InactivityTimer, drx-RetransmissionTimer; LongDRX-CycleStartOffset, ShortDRX-Cycle, drxShortCycleTimer; Can judge the concrete operating state of UE according to the above-mentioned parameter value at particular moment (for example current time or sometime follow-up); Be that UE is in silent status or is in accepting state, specifically how judge to belong to prior art, do not give unnecessary details here.
Fig. 3 is the principle schematic of DRX pattern.
As shown in Figure 3, in the ON duration stage, UE is in accepting state, is used to monitor Downlink Control Information etc., is mourning in silence (inactivity) stage, and UE is in silent status, does not receive information.
Usually, the DRX configuration information of different UEs is different, and for example, DRX cycle can be different, and an interior accepting state duration (being the ON duration duration in stage) of DRX cycle also can be different with the ratio of silent status between the duration.The base station can be UE configuration DRX cycle according to UE bearer service state.
The configuration of DRX cycle can be considered the power saving at terminal and the real experiences of user's communication from 0.04s to 2.56s, and DRX cycle is configured to 2.56s usually; Be that UE only wakes up once among every 2.56s, in several sub-frame (a sub-frame 1ms), monitor the PDCCH channel and whether comprise its paging information, that is to say; For the specific user, in 2.56s, have only 2-3ms to be positioned at possible accepting state, in all the other times; Be in other modules in the communication equipment together with communication module; WiFi module for example can operate as normal, is equivalent to have 99.9% time WiFi module to work.
And the DRX configuration information of UE is all separately independently given UE by network side through the RRC transmitting signaling downwards, rather than the whole network unanimity, therefore, the present invention proposes to utilize the DRX configuration information to disturb and evades, so that effectively promote the availability of frequency spectrum.
Fig. 4 is a plurality of communication module coexistence method flow charts in the communication equipment provided by the invention.
As shown in Figure 4, this method comprises:
In this step, can obtain the DRX configuration information of said first module, and judge the operating state of first module according to this DRX configuration information by said second module; Also can obtain said DRX configuration information, judge the operating state of first module, the operating state of first module is notified to second module according to said DRX configuration information by other modules beyond said first module and said second module.
Can adopt the operating state of prior art, not give unnecessary details here according to DRX configuration information judgement communication equipment.
In this step, specifically can close second module.
For the communication equipment that the module coexistence that works in different frequency range more than two is respectively arranged, method shown in Figure 4 all is suitable for.
Typically; For current LTE terminal, the LTE communication module works in the LTE frequency range, and WiFi or bluetooth (WiFi/BT) module works in ISM band; The LTE communication module adopts the DRX mode to work; Therefore, can judge the current whether actual accepting state that is in of LTE communication module, close the WiFi/BT module when LTE communication module is in accepting state then through the DRX configuration information that obtains the LTE communication module.
Fig. 5 is communication equipment first structure chart of a plurality of communication module coexistences provided by the invention.
As shown in Figure 5, this equipment comprises first module 501 and second module 502.
Said configuration information acquisition module is used to obtain the DRX configuration information of first module.
Said condition judgment module is used for judging according to this DRX configuration information the operating state of first module.
Said sending module is used for when said condition judgment module is judged first module and is in accepting state, stopping transmission information.
Fig. 6 is communication equipment second structure chart of a plurality of communication module coexistences provided by the invention.
As shown in Figure 6, this equipment comprises first module 601, main control module 602 and second module 603.
When second module 603 is in non-accepting state in first module 601, normally receive and send messages, wherein, can send the indication whether first module 601 is in accepting state to second module 603 by main control module 601.
This equipment also comprises intermediate module, and said intermediate module is used to obtain the DRX configuration information of first module, and the DRX configuration information that obtains is issued said second module.
In same terminal; The WiFi/BT module is obtained the DRX configuration information of LTE communication module; In non-DRX time of reception, carry out transfer of data, thereby effectively guarantee LTE terminal normally receiving system paging information and corresponding measurement performance under the DRX pattern of Idle state and connected state.
The present invention also provides a kind of can judge the operating state of other communicators according to the DRX configuration information of other communicators, and then determines the communicator of self operating state, specifically sees also Fig. 7.
Fig. 7 is communication apparatus structure figure provided by the invention.
As shown in Figure 7, this communicator comprises configuration information acquisition module 701, condition judgment module 702 and transceiver module 703.
Configuration information acquisition module 701 is used to obtain the DRX configuration information of another communicator.
General and other communicators of communicator shown in Figure 7 coexist as in the same physical equipment, and typically, communicator shown in Figure 7 can be the WiFi/BT module, specifically can be a chip in the physical sense.
The present invention utilizes simple information interaction can guarantee LTE terminal communication requirement in most cases; Even under worst-case; Also normal receiving system information has effectively guaranteed the systematic function of LTE communication module with WiFi/BT module adjacent frequency coexistence co-operation the time.
Through the effective elevator system resource utilization of method and apparatus provided by the invention.For example, adopt conventional method, the WiFi module is known the time slot proportion of LTE module, for example, and two ascending time slots in the 5ms radio frames, three descending time slots.Then the WiFi module all can't be sent at three descending time slots, sends probability and has only (2/5, about 40%); But often the descending time slot of system is not the time of reception of particular terminal; For certain terminal, it possibly be operated in the silent status under the DRX state, like 2.56s DRX cycle; The time of the actual reception one thousandth (2-3ms/2.56s) of only having an appointment remains 99.9% time WiFi and all can send.Can find out and adopt the present invention can bring significant system gain, user experience is had substantive the lifting.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being made, is equal to replacement, improvement etc., all should be included within the scope that the present invention protects.
Claims (12)
1. a plurality of communication module coexistence methods in the communication equipment is characterized in that this method comprises:
Obtain the discontinuous reception DRX configuration information of first module that works in first frequency range;
Judge the operating state of first module according to this DRX configuration information, when said first module was in accepting state, second module that works in second frequency range stopped transmission information.
2. method according to claim 1 is characterized in that, this method also comprises:
When judging said first module and be in non-accepting state, second module is sent information or reception information.
3. method according to claim 1 is characterized in that,
Obtain the DRX configuration information of said first module by said second module, and judge the operating state of first module according to this DRX configuration information.
4. method according to claim 1 is characterized in that,
Other modules by beyond said first module and said second module are obtained said DRX configuration information, judge the operating state of first module according to said DRX configuration information, and the operating state of first module is notified to second module.
5. according to the described method of the arbitrary claim of claim 1 to 4, it is characterized in that,
Said first module is the LTE communication module, and said second module is WiFi or bluetooth module.
6. a communication equipment is characterized in that, this equipment comprises first module and second module, and first module works in different frequency ranges respectively with second module;
Said first module adopts the DRX mode to work;
Said second module is used for judging according to the DRX configuration information of first module operating state of first module, when said first module is in accepting state, stops transmission information.
7. communication equipment according to claim 6 is characterized in that, said second module comprises configuration information acquisition module, condition judgment module and transceiver module;
Said configuration information acquisition module is used to obtain the DRX configuration information of first module;
Said condition judgment module is used for judging according to this DRX configuration information the operating state of first module;
Said transceiver module is used for when said condition judgment module is judged first module and is in accepting state, stopping transmission information, when said condition judgment module is judged first module and is in non-accepting state, and reception information or transmission information.
8. communication equipment according to claim 6 is characterized in that this equipment also comprises intermediate module,
Said intermediate module is used to obtain the DRX configuration information of first module, and the DRX configuration information that obtains is issued said second module.
9. according to claim 6 or 7 or 8 described communication equipments, it is characterized in that,
Said first module is the LTE communication module, and said second module is WiFi or bluetooth module.
10. a communication equipment is characterized in that, this equipment comprises first module, main control module and second module;
Said first module adopts the DRX mode to work;
Said main control module is used to obtain the DRX configuration information of first module, judges the operating state of first module according to this DRX configuration information, when said first module is in accepting state, sends to said second module and to stop indication;
Said second module is used for receiving saidly when stopping to indicate, and stops transmission information, when said first module is in non-accepting state, and reception information or transmission information.
11. communication equipment according to claim 10 is characterized in that,
Said first module is the LTE communication module, and said second module is WiFi or bluetooth module.
12. a communicator is characterized in that this device comprises configuration information acquisition module, condition judgment module and transceiver module;
Said configuration information acquisition module is used to obtain the DRX configuration information of another communicator;
Said condition judgment module is used for the operating state according to this this another communicator of DRX configuration information judgement;
Said transceiver module is used for when said condition judgment module is judged this another communicator and is in accepting state, stopping transmission information, when said condition judgment module is judged this another communicator and is in non-accepting state, and reception information or transmission information.
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Application publication date: 20120711 |