CN103037481A - Method and device for achieving discontinuous receiving and sending - Google Patents
Method and device for achieving discontinuous receiving and sending Download PDFInfo
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- CN103037481A CN103037481A CN2011102963734A CN201110296373A CN103037481A CN 103037481 A CN103037481 A CN 103037481A CN 2011102963734 A CN2011102963734 A CN 2011102963734A CN 201110296373 A CN201110296373 A CN 201110296373A CN 103037481 A CN103037481 A CN 103037481A
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Abstract
The invention discloses a method and device for achieving discontinuous receiving and sending. The method includes: user equipment receives discontinuous reception (DRX) configuration information, scheduling time is determined according to the DRX configuration information, a physical downlink control channel is monitored in the scheduling time, and data is received and sent, wherein the scheduling time is DRX activation time, and the DRX activation time comprises a combination of one or various of time except time for waiting response of a base station after a scheduling request is sent, an uplink sub-frame of the scheduled user equipment, a physical downlink control channel sub-frame in the DRX activation time and duration of a random access procedure. The method and device for achieving the discontinuous receiving and sending is based on a time-division multiplexing transmission scheme of the DRX mechanism, and can maximally guarantee that a long term evolution (LTE) sub-device and other wireless sub-devices can be communicated with corresponding opposite end devices at different time, thereby effectively avoiding co-existing interference in the devices.
Description
Technical field
The present invention relates to wireless communication field, relate in particular to a kind of method and device of realizing discontinuous transmitting-receiving.
Background technology
Along with the development of radiotechnics, increasing radiotechnics begins to be widely used, and especially in order to satisfy the multiple communication requirement of terminal client, in same intelligent terminal, will use simultaneously two or more different wireless.
Fig. 1 is a kind of subscriber equipment (User Equipment that uses simultaneously two or more radiotechnics, UE) schematic diagram, in this subscriber equipment 100, three kinds of radiotechnicss have been used, it is respectively the LTE subset 101 (or claiming submodule) that uses Long Term Evolution (Long Term Evolution, LTE) technology; Use the WLAN subset 102 of WLAN (wireless local area network) (wireless local area networks, the WLAN) technology of IEEE Std 802.11 regulation and stipulations, i.e. wireless LAN station (WLAN STA); Use the bluetooth subset 103 of bluetooth (Bluetooth) radiotechnics of IEEE Std 802.15 regulation and stipulations.
Three subsets of the subscriber equipment 100 respectively and separately corresponding opposite equip. of radiotechnics carry out radio communication, wherein, LTE subset 101 carries out radio communication with LTE eNB (E-UTRAN NodeB, evolved base station) 104 by air interface (air interface); WLAN STA102 and another WLAN STA105 carry out radio communication by air interface; Bluetooth subset 103 carries out radio communication with another Bluetooth equipment 106 by air interface.
Among Fig. 1, link to each other by the interface (inter-radio interface) between the radiotechnics between LTE subset 101, WLAN STA 102,103 3 subsets of bluetooth subset, link to each other by L101 such as between LTE subset 101 and the WLAN STA 102, link to each other by L102 between LTE subset 101 and the bluetooth subset 103; Link to each other by L103 between WLAN STA 102 and the bluetooth subset 103, perhaps three subsets are controlled by a public control appliance S107.
The multiple different radiotechnics of configuration in the subscriber equipment, because equipment volume is little, certainly will cause in the subscriber equipment, space length between subset corresponding to multiple radiotechnics is separated by very near, such as several centimetres, also be space isolation between the employed antenna port of multiple subset can't design enough large, if thereby cause each subset in same subscriber equipment to use adjacent frequency band, because band outward leakage (Out of band emission), spurious emissions (Spurious emissions), receiver blocks reasons such as (Blocking), when one of them subset is launched, the reception of another subset will be disturbed, and this interference can't be eliminated by existing filter again, thereby affect the communication quality of each subset, above-mentioned interference is referred to as " mutual interference in the equipment " herein.
Take subscriber equipment shown in Figure 1 100 as example, WLAN STA and the use of Bluetooth subset " industry, science and medical treatment (Industrial Scientific and Medical; be called for short ISM) " frequency band (2.4GHz～2.5GHz), wherein, 2.4GHz in the WLAN STA use ISM frequency band～2.4835GHz frequency range, the 2.4GHz in the Bluetooth subset use ISM frequency band～2.497GHz frequency range.As shown in Figure 2, the ISM frequency band just in time with the frequency band 40 of LTE (Band40:2.3GHz～2.4GHz) and the upstream band (Band7UP:2.5GHz～2.57GHz) adjacent of frequency band 7, therefore, if LTE subset 101 uses TDD (Time Division Duplex, time division duplex) pattern and use Band40, so between LTE subset 101 and WLAN STA102 and the bluetooth subset 103 with the phase mutual interference.If LTE subset 101 uses FDD (Frequency Division Duplex, Frequency Division Duplexing (FDD)) pattern and use Band7, as shown in Figure 2, because downstream bands and the ISM frequency band a good distance off of LTE Band7, therefore the descending reception of LTE subset 101 is not disturbed in the up emission of WLAN STA102/ bluetooth equipment 103, but because upstream band and the ISM frequency band of LTE Band7 adjoin, therefore, the up emission of LTE subset 101 will be disturbed the descending reception of WLAN STA102102/ bluetooth equipment 103.The existence of " mutual interference in the equipment " can reduce the radio-based electronic devices both sides' that interfere with each other communication quality, finally affects user's business experience.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of method and device of realizing discontinuous transmitting-receiving, avoids the phase mutual interference between the different communication mode in the time of can adopting communication in subscriber equipment.
For solving the problems of the technologies described above, a kind of method that realizes discontinuous transmitting-receiving of the present invention comprises:
Subscriber equipment receives discontinuous reception (DRX) configuration information, determine scheduling time according to described DRX configuration information, within described scheduling time, monitor Physical Downlink Control Channel, carry out data transmit-receive, wherein, described scheduling time is a kind of in time of continuing of the time the time of waiting for base station in response after uplink scheduling request sends that comprises in DRX activationary time, the DRX activationary time, sub-frame of uplink, the Physical Downlink Control Channel subframe in the DRX activationary time and random access procedure that described subscriber equipment is scheduled or wherein multiple combination.
Further, described a kind of or wherein multiple combination comprise:
Time the time of after uplink scheduling request sends, waiting for base station in response that comprises in the DRX activationary time;
The sub-frame of uplink that DRX activationary time and described subscriber equipment are scheduled;
The sub-frame of uplink that Physical Downlink Control Channel subframe in the DRX activationary time and described subscriber equipment are scheduled;
The sub-frame of uplink that time the time of waiting for base station in response after uplink scheduling request sends that comprises in the DRX activationary time and described subscriber equipment are scheduled;
The time that DRX activationary time and random access procedure continue;
The time that the sub-frame of uplink that DRX activationary time, described subscriber equipment are scheduled and random access procedure continue;
The time that the sub-frame of uplink that Physical Downlink Control Channel subframe in the DRX activationary time, described subscriber equipment are scheduled and random access procedure continue;
The time that time the time of waiting for base station in response after uplink scheduling request sends that comprises in the DRX activationary time, the sub-frame of uplink that described subscriber equipment is scheduled and random access procedure continue.
Further, time the time of waiting for base station in response after uplink scheduling request sends that comprises in the described DRX activationary time comprises: the time that continues the timer operation, the time of the inactive timer operation of DRX, the time of DRX retransmission timer operation, media access control competition solves the time of timer operation, uplink retransmission stand-by period and non-competingly access at random the downlink data stand-by period, after sending, waits for described uplink scheduling request the time of base station in response and the time of described lasting timer operation, the time of the inactive timer operation of DRX, the time of DRX retransmission timer operation, media access control competition solves the time of timer operation, uplink retransmission stand-by period or the non-competing overlapping part of downlink data stand-by period that accesses at random belong to described scheduling time.
Further, the time that described random access procedure continues is to send random access guiding to the time of random access procedure success from described subscriber equipment.
Further, the described sub-frame of uplink that is scheduled refers to, the subframe that being used for of base station notifying user equipment carried out up transmission.
Further, described subscriber equipment sent the mutual interference indication information of mutual interference state in the characterization device to the base station before receiving the DRX configuration information.
Further, when no longer having in the equipment mutual interference in the described subscriber equipment, described subscriber equipment sends the discontinuous transmitting-receiving request of cancellation to the base station.
Further, described base station notifies described subscriber equipment to cancel discontinuous transmitting-receiving after receiving the discontinuous transmitting-receiving request of described cancellation.
Further, a kind of device of realizing discontinuous transmitting-receiving comprises: Transmit-Receive Unit, scheduling time determining unit and channel-monitoring unit, wherein:
Described Transmit-Receive Unit is used for receiving discontinuous reception (DRX) configuration information, carries out data transmit-receive;
Described scheduling time determining unit, be used for determining scheduling time according to described DRX configuration information, wherein, described scheduling time is a kind of in time of continuing of the time the time of waiting for base station in response after uplink scheduling request sends that comprises in DRX activationary time, the DRX activationary time, sub-frame of uplink, the Physical Downlink Control Channel subframe in the DRX activationary time and random access procedure that described subscriber equipment is scheduled or wherein multiple combination;
Described channel-monitoring unit was used for monitoring Physical Downlink Control Channel within described scheduling time.
Further, described a kind of or wherein multiple combination comprise:
Time the time of after uplink scheduling request sends, waiting for base station in response that comprises in the DRX activationary time;
The sub-frame of uplink that DRX activationary time and described subscriber equipment are scheduled;
The sub-frame of uplink that Physical Downlink Control Channel subframe in the DRX activationary time and described subscriber equipment are scheduled;
The sub-frame of uplink that time the time of waiting for base station in response after uplink scheduling request sends that comprises in the DRX activationary time and described subscriber equipment are scheduled;
The time that DRX activationary time and random access procedure continue;
The time that the sub-frame of uplink that DRX activationary time, described subscriber equipment are scheduled and random access procedure continue;
The time that the sub-frame of uplink that Physical Downlink Control Channel subframe in the DRX activationary time, described subscriber equipment are scheduled and random access procedure continue;
The time that time the time of waiting for base station in response after uplink scheduling request sends that comprises in the DRX activationary time, the sub-frame of uplink that described subscriber equipment is scheduled and random access procedure continue.
Further, time the time of waiting for base station in response after uplink scheduling request sends that comprises in the described DRX activationary time comprises: the time that continues the timer operation, the time of the inactive timer operation of DRX, the time of DRX retransmission timer operation, media access control competition solves the time of timer operation, uplink retransmission stand-by period and non-competingly access at random the downlink data stand-by period, the time that the time of waiting for base station in response after described uplink scheduling request sends and described lasting timer move, the time of the inactive timer operation of DRX, the time of DRX retransmission timer operation, media access control competition solves the time of timer operation, uplink retransmission stand-by period or the non-competing overlapping part of downlink data stand-by period that accesses at random belong to described scheduling time.
Further, described Transmit-Receive Unit also is used for sending the mutual interference indication information of mutual interference state in the characterization device to the base station before receiving the DRX configuration information.
In sum, by the present invention is based on DRX (Discontinuous Reception, discontinuous reception) the time division multiplexing transmission plan of mechanism, can guarantee at utmost that the LTE subset communicates in different time and corresponding opposite equip. with other radio-based electronic devices, thereby effectively avoided mutual interference in the equipment, LTE subset and the communication quality that coexists as other radio-based electronic devices in the terminal equipment have been guaranteed, give the user business experience with high-quality, this method is minimum to the modification of standard criterion simultaneously, meets the demand of each large equipment manufacturer.
Description of drawings
Fig. 1 is for using simultaneously the schematic diagram of the terminal equipment of two or more radiotechnicss;
Fig. 2 is the distribution schematic diagram of ISM frequency band and LTE frequency band;
Fig. 3 is the sequential schematic diagram of DRX mechanism;
Fig. 4 is the schematic diagram of a kind of DRX discontinuous transmission time;
Fig. 5 is the flow chart that embodiment of the present invention realizes the method for discontinuous transmitting-receiving;
Fig. 6 is the flow chart that the present invention realizes the example of discontinuous receiving/transmission method;
Fig. 7 is the schematic diagram of the DRX that obtains according to the DRX parameter configuration in the embodiment of the present invention;
Fig. 8 is the implementing procedure schematic diagram that mode of the present invention is cancelled the time division multiplexing transmission;
Fig. 9 is the Organization Chart of the discontinuous R-T unit of realization of the present invention.
Embodiment
Considering that if can make the subset that interferes with each other in the same subscriber equipment in different time services like this, the interference of frequency domain will no longer exist owing to the differentiation of time domain.How to be implemented in and to distinguish different subsets on the time domain, and the code of practice that utilizes to greatest extent existing each seed device to follow, to exist in the situation of " mutual interference in the equipment " problem, improve communication quality, promote the key that customer service is experienced, this paper mainly provides a kind of method of discontinuous transmitting-receiving and avoids mutual interference in the equipment.
At present, the discontinuous reception in the LTE standard (Discontinuous Reception, DRX) mechanism regulation: the base station is UE configuration DRX, specifically comprises following parameter, duration timer (onDurationTimer); The inactive timer of DRX (drx-InactivityTimer); Media access control competition solves timer (mac-ContentionResolutionTimer); DRX retransmission timer (drx-RetransmissionTimer) and DRX cycle (DRX-cycle) etc., more than the value of all timers all less than the value of DRX cycle.
Duration timer (onDurationTimer): indication is in the beginning of a DRX cycle, and UE should monitor the PDCCH number of sub frames of PDCCH continuously.
The inactive timer of DRX (drx-InactivityTimer): indication is after the PDCCH decoding of successfully being indicated the uplink/downlink new data transmission, and UE should monitor the PDCCH number of sub frames of PDCCH continuously.
Media access control competition solves timer (mac-ContentionResolutionTimer): after Msg3 message sent in the indication random access procedure, UE should monitor the continuous subframes number of PDCCH.
DRX retransmission timer (drx-RetransmissionTimer): in case indication UE expectation receives descending re-transmission, UE should monitor the maximum PDCCH number of sub frames of PDCCH continuously.
As shown in Figure 3, opening from onDurationTimer, is a DRX cycle to the timing definition between onDurationTimer opens next time, namely DRX cycle be running time of onDurationTimer and potential DRX transmission time with.Be also referred to as timing the running time of onDurationTimer, i.e. as shown in Figure 3 duration.
UE is according to the DRX parameter of base station configuration, carry out discrete data receiver and/or transmission, take into account the power consumption of UE and the needs of the professional transmission of UE, according to the professional transmitted data amount of reality and the scheduling of base station, UE carries out non-continuous data reception and/or the time that sends and uncertain.Shown in Figure 4 is a kind of possible DRX discontinuous transmission time diagram, in this schematic diagram, in the DRX cycle, there are three discontinuous transmission times, wherein the discontinuous transmission time 401 is the duration, and in the transmission time, also has two discontinuous transmission times at potential DRX, be discontinuous transmission time 402 and discontinuous transmission time 403, may comprise in following six kinds of times any one or a few in the discontinuous transmission time of potential DRX in the transmission time:
1, after drx-InactivityTimer running time: UE receives that the upstream or downstream of base station are first and passes scheduling, the follow-up possibility of proceeding transfer of data is larger, UE need to keep a period of time (drx-InactivityTimer) that the base station is monitored, and prepares to receive the follow-up scheduling in base station;
2, drx-RetransmissionTimer running time: the setting of this timer is in order to guarantee the descending re-transmission of UE.Because HARQ (Hybrid Automatic Repeat Request, the down mixing self-retransmission request) characteristics of process, UE is meeting Loop Round Trip Time timer of HARQ process initiation (RTT timer) for receiving downlink data after receiving downlink data dispatching, if UE does not successfully decode to received data before RTT timer is overtime, start drx-RetransmissionTimer with regard to needs and wait for that base station scheduling retransmits.
3, mac-ContentionResolutionTimer running time: this process is by the Msg3 (Message3 of random access procedure, message three) send triggering, when UE accesses at random, after sending Msg3, need to wait for the response of base station answer Msg4 (Message4, message four).
4, wait for after uplink scheduling request (Scheduling Request, SR) sends that the time of base station in response: SR is used for before UE sends upstream data, dispatch it the request base station.After sending SR, UE need to wait for the response of base station, waits for that namely the base station is that the mandate of UE dispatching uplink is until UE finishes the group bag of packet according to uplink authorization.
5, the uplink retransmission stand-by period: in the upstream data process of transmitting, UE may be because data send the successful respond of unsuccessfully not receiving the base station, and uplink retransmission is carried out in the scheduling that needs to wait for the base station.
6, non-competingly access at random the downlink data stand-by period: non-competing at random access is obtained uplink synchronous in order to trigger UE usually, then can downlink data receiving, and after non-competing random process was finished, UE waited for that the descending scheduling of base station is with downlink data receiving.
All DRX activationary times that occur in the present embodiment are defined as: one or more in this seven kinds of times of above-mentioned six kinds of times and lasting timer running time.
Above-mentioned six kinds of times that the DRX activationary time comprises and lasting timer comprise sub-frame of uplink and/or Physical Downlink Control Channel subframe (PDCCH subframe) running time.
As seen, because the discontinuous transmission time in a DRX cycle is uncertain, the time that is the reception of LTE data and/or transmission is uncertain, therefore when multiple different radiotechnics coexists as among the UE, to make inevitably different radiotechnicss may carry out at synchronization reception and/or the transmission of data, can the phase mutual interference between the subset of different radio power technology thereby cause.
Present embodiment is considered to utilize the characteristic of DRX discontinuous reception in the LTE system, so that coexist as subset corresponding to each interior wireless electron technology of same UE in the enterprising row data transmitting-receiving of different time periods, thus avoid mutual interference in the equipment.
Terminal equipment described herein possesses the ability of supporting simultaneously LTE technology and other radiotechnicss except the LTE technology (or claiming non-LTE radiotechnics).In subscriber equipment, can be that a kind of radiotechnics also can be two or more radiotechnics with other radiotechnicss except the LTE technology of LTE technology co-existence.It is the technology such as Bluetooth, WLAN that other radiotechnicss except the LTE technology may be, but is not limited to.
Figure 5 shows that the flow chart of the method for present embodiment, comprising:
S501:UE reception base station disposes the discontinuous reception configuration information to UE, determines scheduling time;
The base station is to have set up the base station that RRC (Radio Resource Control, Radio Resource control) connects with the LTE subset of UE.The base station is UE configuration DRX configuration information, and this DRX configuration information is sent to UE.
Receive at UE before the discontinuous reception configuration information of base station configuration, UE sends the mutual interference indication information of mutual interference state in the characterization device to the base station, the mutual interference indication information is to the subframe at base station indication communication generation phase mutual interference place, and the mutual interference indication information comprises a kind of of following information:
Record the sub-frame configuration bitmap index of the sub-frame allocation position of described LTE subset and described non-LTE subset;
Record the sub-frame configuration bitmap of the sub-frame allocation position of described LTE subset and described non-LTE subset;
Record described LTE subset is disturbed the subframe position of described non-LTE subset by described non-LTE equipment interference and/or described LTE subset sub-frame configuration bitmap;
Time deviation information between described LTE subset and described non-LTE subset, and the time sequence configuration information of described non-LTE subset.
Scheduling time is a kind of in time of continuing of the time the time of waiting for base station in response after uplink scheduling request sends that comprises in DRX activationary time, the DRX activationary time, sub-frame of uplink, the Physical Downlink Control Channel subframe in the DRX activationary time and random access procedure that described subscriber equipment is scheduled or wherein multiple combination.
Above-mentioned one or more combination comprises:
Time the time of after uplink scheduling request sends, waiting for base station in response that comprises in the DRX activationary time;
The sub-frame of uplink that DRX activationary time and described subscriber equipment are scheduled;
The sub-frame of uplink that Physical Downlink Control Channel subframe in the DRX activationary time and described subscriber equipment are scheduled;
The sub-frame of uplink that time the time of waiting for base station in response after uplink scheduling request sends that comprises in the DRX activationary time and described subscriber equipment are scheduled;
The time that DRX activationary time and random access procedure continue;
The time that the sub-frame of uplink that DRX activationary time, described subscriber equipment are scheduled and random access procedure continue;
The time that the sub-frame of uplink that Physical Downlink Control Channel subframe in the DRX activationary time, described subscriber equipment are scheduled and random access procedure continue;
The time that time the time of waiting for base station in response after uplink scheduling request sends that comprises in the DRX activationary time, the sub-frame of uplink that described subscriber equipment is scheduled and random access procedure continue.
S502:UE monitors Physical Downlink Control Channel within scheduling time, carry out data transmit-receive.
UE monitors Physical Downlink Control Channel within scheduling time, the scheduling according to the base station receives downlink information at descending sub frame, sends uplink information at the sub-frame of uplink that is scheduled.
UE can monitor Physical Downlink Control Channel within scheduling time, carry out data transmit-receive, as within scheduling time, sending up feedback reference signal (Sounding Reference Symbols, SRS) or channel quality indication (CQI) information (Channel Quality Indicator, CQI) or with encoder matrix indication information (Precoding Matrix Index, PMI) or rank indication information (Rank Indicator, RI) or dispatch request information (Scheduling Request, SR).
UE can not send SRS/CQI/PMI/RI/SR by the other times outside scheduling time, and the other times outside scheduling time are monitored PDCCH again.
ISM equipment in the UE can be received and dispatched by the other times outside scheduling time.
Hereinafter be elaborated in connection with the embodiment of accompanying drawing to present embodiment, coexist as in the same subscriber equipment with LTE and Bluetooth, LTE is that the mode of operation of TDD is example, situation when the communication means when present embodiment different radio technology co-existence is described, the communication means that need to prove this implementation method are applicable to too LTE and other communications and coexist in subscriber equipment.
As shown in Figure 6, the discontinuous receiving/transmission method of present embodiment comprises:
S601:UE sends the mutual interference indication information to the base station;
When the LTE subset among the UE and the BT subset is opened simultaneously and working frequency points distance enough closely the time, will produce mutual interference in the equipment, the transmission of LTE subset will the BT subset of interference co-existence in UE reception, the transmission of BT subset also can be disturbed the reception of LTE subset.In order to solve mutual interference in the UE, UE sends the mutual interference indication information to the base station.
The base station can know according to the indication of mutual interference indication information which subframe LTE subset and non-LTE subset will produce interference and/or can not produce interference on which subframe in.
For example, when the LTE of UE subset was time division duplex (Time Division Duplexing) use TDD configuration 2, the sub-frame configuration bitmap that UE sends to the base station was:
1111101111?1111111111?0111111111
Wherein 1 expression can be kept for the subframe of LTE subset use, namely can not produce the subframe of interference; 0 expression produces the subframe of disturbing.
S602: the base station sends the DRX configuration information to UE;
If the current interior mutual interference of equipment that do not suffer of UE, then the base station is UE configuration DRX operation according to normal process, if the current interior mutual interference of equipment that suffers of UE after the mutual interference indication information of UE transmission is received in the base station, need to be the special DRX operation of UE configuration according to the disturbed condition of UE inside.
Sub-frame configuration bitmap in the step 601 is as example, and then the base station can dispose the DRX parameter and is:
DRX-Cycle is that 15, onDurationTimer is that 11, drxStartOffset is that 6, drx-InactivityTimer is that 0, drx-RetransmissionTimer and mac-ContentionResolutionTimer are 0.
Be illustrated in figure 7 as the DRX schematic diagram that obtains according to above-mentioned DRX parameter configuration, each grid represents the subframe of a LTE, and ten subframes consist of a radio frames, and each radio frames has a System Frame Number (System Frame Number, SFN).OnDurationTimer in the 1st DRX cycle opens in the #6 subframe that is being labeled as SFN1 as shown in Figure 7, and operation lasts till the #9 subframe that is labeled as SFN2, and the 1st DRX cycle finishes in the #0 subframe that is being labeled as SFN3.OnDurationTimer in the 2nd DRX cycle opens in the #1 subframe that is being labeled as SFN3, and operation lasts till the #4 subframe that is labeled as SFN4, and the 2nd DRX cycle finishes in the #5 subframe that is being labeled as SFN4.
In order to guarantee that UE can not monitor disturbed subframe, it is null value or invalid value that the base station configuration inactive timer of DRX (drx-InactivityTimer), DRX retransmission timer (drx-RetransmissionTimer) and media access control competition solve timer (mac-ContentionResolutionTimer).Network side also is arranged in the transmission of UE on the subframe that can not produce interference in the process of dispatching as far as possible, and scheduling described here namely refers to uplink scheduling, also refers to descending scheduling; The transmission of UE namely refers to uplink, also refers to downlink transfer.
S603:UE carries out the transmitting-receiving of data according to the indication of DRX configuration information, mutual interference in the solution equipment.
After UE received the DRX configuration information, if this moment, UE suffered mutual interference in the equipment, then according to the DRX configuration, it was one of following 8 kinds to determine that scheduling time comprises:
1) time the time of after uplink scheduling request sends, waiting for base station in response that comprises in the DRX activationary time.Time the time of waiting for base station in response after uplink scheduling request sends that comprises in the DRX activationary time comprises: the time that continues the timer operation, the time of the inactive timer operation of DRX, the time of DRX retransmission timer operation, media access control competition solves the time of timer operation, uplink retransmission stand-by period and non-competingly access at random the downlink data stand-by period, the time that the time of waiting for base station in response after described uplink scheduling request sends and described lasting timer move, the time of the inactive timer operation of DRX, the time of DRX retransmission timer operation, media access control competition solves the time of timer operation, uplink retransmission stand-by period or the non-competing overlapping part of downlink data stand-by period that accesses at random belong to described scheduling time.
2) sub-frame of uplink that is scheduled of DRX activationary time and subscriber equipment.The sub-frame of uplink that subscriber equipment is scheduled refers to the subframe carry out up transmission of being used for of base station notifying user equipment.On described subframe, UE can send upstream data according to the HARQ sequential relationship, perhaps sends the feedback whether downlink data is correctly received according to the HARQ sequential relationship, perhaps according to the signaling informations such as configuration transmission SRS/CQI/PMI/RI/SR of base station to UE.For example, in the TDD system, the base station is at subframe n scheduling UE, and then UE can carry out uplink at subframe n+k, and subframe n+k is exactly the sub-frame of uplink that described subscriber equipment is scheduled, and the base station is at subframe n+k+k
PHICHFeed back.Described n, k and k
PHICHDetailed operation instruction is arranged in agreement; The base station also needs UE to feed back after to the downlink transfer of UE whether correctly to have received downlink data, for example downlink transfer is carried out at subframe n-k in the base station, then UE need to feed back at subframe n place, subframe n is exactly the sub-frame of uplink that described subscriber equipment is scheduled, described n, k also have detailed operation instruction in agreement.
3) sub-frame of uplink that is scheduled of Physical Downlink Control Channel (PDCCH) subframe in the DRX activationary time and described subscriber equipment.UE can know downlink data receiving or transmission upstream data on which running time-frequency resource by decoding PDCCH, if TDD system, then the PDCCH subframe comprises descending sub frame (downlink subframe) and special subframe (special subframe), if the FDD system then the PDCCH subframe be exactly all subframes.
4) comprise the sub-frame of uplink that time the time of waiting for base station in response after uplink scheduling request sends and described subscriber equipment are scheduled in the DRX activationary time.
5) the lasting time of DRX activationary time and random access procedure.The time that random access procedure continues refers to, sends random access guiding to the time of random access procedure success from described subscriber equipment.Usually random access procedure is used for the important flow process of the LTE such as switching, and the probability that random access procedure occurs is smaller, and therefore in order to guarantee the communication quality of LTE, scheduling time comprises the time that random access procedure continues.
6) time of continuing of the sub-frame of uplink that is scheduled of DRX activationary time, described subscriber equipment and random access procedure.
7) time of continuing of the sub-frame of uplink that is scheduled of the Physical Downlink Control Channel subframe in the DRX activationary time, described subscriber equipment and random access procedure.
8) time that the time the time of waiting for base station in response after uplink scheduling request sends that comprises in the DRX activationary time, the sub-frame of uplink that subscriber equipment is scheduled and random access procedure continue.
After subscriber equipment is determined scheduling time, within described scheduling time, monitor Physical Downlink Control Channel, carry out data transmit-receive.
According to the DRX that provides in the step 601 configuration, if the DRX activationary time is onDurationTimer during running time, UE determines the opening time of onDurationTimer after receiving the DRX configuration information; Concrete grammar is: open onDurationTimer in the subframe that satisfies formula [(SFN*10)+subframe number] modulo (DRX-Cycle)=drxStartOffset, wherein, SFN is System Frame Number, subframe number is subframe numbers, modulo represents modulo operation, and drxStartOffset is that the base station is the DRX opening time deviant of UE configuration.The sub-frame of uplink that this moment, UE was scheduled is included in the onDurationTimer run duration.If during the sub-frame of uplink that scheduling time is DRX activationary time and described subscriber equipment to be scheduled, scheduling time is onDurationTimer running time.
If belong to the time of waiting for base station in response after uplink scheduling request sends such as the SFN3# 0 subframe among Fig. 7, but this subframe does not belong to the time that continues the timer operation, or the time of the inactive timer operation of DRX, or the time of DRX retransmission timer operation, or media access control competition solves the time of timer operation, or the uplink retransmission stand-by period, or the non-competing downlink data that accesses at random is in the stand-by period in any one time, time the time of after uplink scheduling request sends, waiting for base station in response that then comprises in the described DRX activationary time, do not comprise this subframe.
If belonging to, this subframe waits within the time of base station in response after uplink scheduling request sends, also belong to simultaneously the time that continues the timer operation, or the time of the inactive timer operation of DRX, or the time of DRX retransmission timer operation, or media access control competition solves the time of timer operation, or the uplink retransmission stand-by period, or the non-competing downlink data that accesses at random is in the stand-by period in any one time.Time the time of after uplink scheduling request sends, waiting for base station in response that then comprises in the described DRX activationary time, comprise this subframe.
Bluetooth subset or WiFi subset in the UE can be received and dispatched by the other times outside scheduling time, have therefore realized that the LTE subset carries out work from bluetooth or WiFi subset in the different time, have solved mutual interference in the equipment.
Need to prove that owing to switch perhaps RRC connection reconstruction is when perhaps UE is in the uplink loss state, this UE has up or downlink data need to send the time, UE will initiate to access at random to recover as early as possible uplink synchronous, thereby keep the continuity of UE business datum, guarantee that the user experiences.Therefore, in the situation of multiple radiotechnics, in order to guarantee the continuity of LET side business data, do not cause the interruption of transfer of data for device memory, when UE initiated to access at random, other radiotechnics was suspended transmission.Random access procedure comprises at random access and the non-competing at random access of competition, for the at random access of competition, sends random access guiding from UE and successfully receives for the 4th random accessing message that solves competition to UE, accesses successfully at random.For non-competing at random access, when successfully receiving the accidental access response of the competition conflict sign of carrying this UE from UE transmission random access guiding to UE, access successfully at random.
The flow chart of the present invention's the first specific embodiment as shown in Figure 8:
Because mutual interference has sudden and noncontinuity in the equipment, such as a UE who disposes LTE subset and Bluetooth subset, only have when the Bluetooth subset is opened, just can there be interference between LTE subset and the Bluetooth subset, in case and the Bluetooth subset is closed, mutual interference will not exist yet.Therefore, when UE judges that mutual interference does not exist, the LTE subset just do not need again and other radio-based electronic devices between carry out time division multiplexing and transmit, be that the present invention program works as mutual interference when no longer existing such as Fig. 8, the implementing procedure schematic diagram of UE cancellation discontinuous transmission, concrete steps are as follows:
The S801:UE informing base station disturbs to be eliminated;
When UE judged that LTE technology and non-LTE radiotechnics do not need to proceed discontinuous transmission, informing base station disturbs to be eliminated, and also can be understood as UE informing base station cancellation discontinuous transmission.UE sends the discontinuous transmitting-receiving request of cancellation to the base station.
Concrete, UE can know that mutual interference no longer exists in the equipment according to the interface between the different subsets as shown in Figure 1 or control appliance S107, closes such as UE judgement Bluetooth subset, then the UE informing base station disturbs and eliminates.
S802: after the base station received the notice of UE, base station notice UE cancelled discontinuous transmitting-receiving.
After the discontinuous transmitting-receiving request of cancellation of UE transmission is received in the base station, send discontinuous the receiving and sending messages of cancellation to UE, be specifically as follows following a kind of:
The cancellation flag information of (1) 1 bit;
(2) discontinuous reception (DRX) configuration information.
Be the discontinuous reception configuration information if cancel discontinuous receiving and sending messages here, do not need to consider again the disturbed condition of UE inside when then parameter arranges.
S803:UE carries out associative operation according to the notice of base station.
Because this moment, there was not mutual interference in the equipment in UE inside, if UE receives is the cancellation identification information of 1 bit, then according to common transmission rule work, if UE receives is discontinuous reception configuration information, then UE carries out work according to common DRX operation.
By cancellation time division multiplexing transfer process as shown in Figure 8, when mutual interference was eliminated, the scheduling of LTE side did not need to consider the restriction of mutual interference, guaranteed dispatching flexibility and the independence of LTE, gave the user business experience with high-quality.
Fig. 9 is the device of the discontinuous transmitting-receiving of realization of present embodiment, comprising: Transmit-Receive Unit, scheduling time determining unit and channel-monitoring unit, wherein:
Described Transmit-Receive Unit is used for receiving discontinuous reception (DRX) configuration information, carries out data transmit-receive;
Described scheduling time determining unit, be used for determining scheduling time according to described DRX configuration information, wherein, described scheduling time is a kind of in time of continuing of the time the time of waiting for base station in response after uplink scheduling request sends that comprises in DRX activationary time, the DRX activationary time, sub-frame of uplink, the Physical Downlink Control Channel subframe in the DRX activationary time and random access procedure that described subscriber equipment is scheduled or wherein multiple combination;
Described channel-monitoring unit was used for monitoring Physical Downlink Control Channel within described scheduling time.
Above-mentioned a kind of or wherein multiple combination comprise:
Time the time of after uplink scheduling request sends, waiting for base station in response that comprises in the DRX activationary time;
The sub-frame of uplink that DRX activationary time and described subscriber equipment are scheduled;
The sub-frame of uplink that Physical Downlink Control Channel subframe in the DRX activationary time and described subscriber equipment are scheduled;
The sub-frame of uplink that time the time of waiting for base station in response after uplink scheduling request sends that comprises in the DRX activationary time and described subscriber equipment are scheduled;
The time that DRX activationary time and random access procedure continue;
The time that the sub-frame of uplink that DRX activationary time, described subscriber equipment are scheduled and random access procedure continue;
The time that the sub-frame of uplink that Physical Downlink Control Channel subframe in the DRX activationary time, described subscriber equipment are scheduled and random access procedure continue;
The time that time the time of waiting for base station in response after uplink scheduling request sends that comprises in the DRX activationary time, the sub-frame of uplink that described subscriber equipment is scheduled and random access procedure continue.
Time the time of waiting for base station in response after uplink scheduling request sends that comprises in the above-mentioned DRX activationary time comprises: the time that continues the timer operation, the time of the inactive timer operation of DRX, the time of DRX retransmission timer operation, media access control competition solves the time of timer operation, uplink retransmission stand-by period and non-competingly access at random the downlink data stand-by period, the time that the time of waiting for base station in response after described uplink scheduling request sends and described lasting timer move, the time of the inactive timer operation of DRX, the time of DRX retransmission timer operation, media access control competition solves the time of timer operation, uplink retransmission stand-by period or the non-competing overlapping part of downlink data stand-by period that accesses at random belong to described scheduling time.
Transmit-Receive Unit also is used for sending the mutual interference indication information of mutual interference state in the characterization device to the base station before receiving the DRX configuration information.
The above is the preferred embodiments of the present invention only, is not for limiting protection scope of the present invention.According to summary of the invention of the present invention; also other various embodiments can be arranged; in the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art are when making according to the present invention various corresponding changes and distortion; within the spirit and principles in the present invention all; any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. a method that realizes discontinuous transmitting-receiving is characterized in that, comprising:
Subscriber equipment receives discontinuous reception (DRX) configuration information, determine scheduling time according to described DRX configuration information, within described scheduling time, monitor Physical Downlink Control Channel, carry out data transmit-receive, wherein, described scheduling time is a kind of in time of continuing of the time the time of waiting for base station in response after uplink scheduling request sends that comprises in DRX activationary time, the DRX activationary time, sub-frame of uplink, the Physical Downlink Control Channel subframe in the DRX activationary time and random access procedure that described subscriber equipment is scheduled or wherein multiple combination.
2. the method for claim 1 is characterized in that, described a kind of or wherein multiple combination comprise:
Time the time of after uplink scheduling request sends, waiting for base station in response that comprises in the DRX activationary time;
The sub-frame of uplink that DRX activationary time and described subscriber equipment are scheduled;
The sub-frame of uplink that Physical Downlink Control Channel subframe in the DRX activationary time and described subscriber equipment are scheduled;
The sub-frame of uplink that time the time of waiting for base station in response after uplink scheduling request sends that comprises in the DRX activationary time and described subscriber equipment are scheduled;
The time that DRX activationary time and random access procedure continue;
The time that the sub-frame of uplink that DRX activationary time, described subscriber equipment are scheduled and random access procedure continue;
The time that the sub-frame of uplink that Physical Downlink Control Channel subframe in the DRX activationary time, described subscriber equipment are scheduled and random access procedure continue;
The time that time the time of waiting for base station in response after uplink scheduling request sends that comprises in the DRX activationary time, the sub-frame of uplink that described subscriber equipment is scheduled and random access procedure continue.
3. the method for claim 1 is characterized in that:
Time the time of waiting for base station in response after uplink scheduling request sends that comprises in the described DRX activationary time comprises: the time that continues the timer operation, the time of the inactive timer operation of DRX, the time of DRX retransmission timer operation, media access control competition solves the time of timer operation, uplink retransmission stand-by period and non-competingly access at random the downlink data stand-by period, after sending, waits for described uplink scheduling request the time of base station in response and the time of described lasting timer operation, the time of the inactive timer operation of DRX, the time of DRX retransmission timer operation, media access control competition solves the time of timer operation, uplink retransmission stand-by period or the non-competing overlapping part of downlink data stand-by period that accesses at random belong to described scheduling time.
4. the method for claim 1 is characterized in that, the time that described random access procedure continues is to send random access guiding to the time of random access procedure success from described subscriber equipment.
5. the method for claim 1 is characterized in that, the described sub-frame of uplink that is scheduled refers to, the subframe that being used for of base station notifying user equipment carried out up transmission.
6. the method for claim 1 is characterized in that, described subscriber equipment sent the mutual interference indication information of mutual interference state in the characterization device to the base station before receiving the DRX configuration information.
7. the method for claim 1 is characterized in that:
When no longer having in the equipment mutual interference in the described subscriber equipment, described subscriber equipment sends the discontinuous transmitting-receiving request of cancellation to the base station.
8. method as claimed in claim 7 is characterized in that:
Described base station notifies described subscriber equipment to cancel discontinuous transmitting-receiving after receiving the discontinuous transmitting-receiving request of described cancellation.
9. a device of realizing discontinuous transmitting-receiving is characterized in that, comprising: Transmit-Receive Unit, scheduling time determining unit and channel-monitoring unit, wherein:
Described Transmit-Receive Unit is used for receiving discontinuous reception (DRX) configuration information, carries out data transmit-receive;
Described scheduling time determining unit, be used for determining scheduling time according to described DRX configuration information, wherein, described scheduling time is a kind of in time of continuing of the time the time of waiting for base station in response after uplink scheduling request sends that comprises in DRX activationary time, the DRX activationary time, sub-frame of uplink, the Physical Downlink Control Channel subframe in the DRX activationary time and random access procedure that described subscriber equipment is scheduled or wherein multiple combination;
Described channel-monitoring unit was used for monitoring Physical Downlink Control Channel within described scheduling time.
10. device as claimed in claim 9 is characterized in that, described a kind of or wherein multiple combination comprise:
Time the time of after uplink scheduling request sends, waiting for base station in response that comprises in the DRX activationary time;
The sub-frame of uplink that DRX activationary time and described subscriber equipment are scheduled;
The sub-frame of uplink that Physical Downlink Control Channel subframe in the DRX activationary time and described subscriber equipment are scheduled;
The sub-frame of uplink that time the time of waiting for base station in response after uplink scheduling request sends that comprises in the DRX activationary time and described subscriber equipment are scheduled;
The time that DRX activationary time and random access procedure continue;
The time that the sub-frame of uplink that DRX activationary time, described subscriber equipment are scheduled and random access procedure continue;
The time that the sub-frame of uplink that Physical Downlink Control Channel subframe in the DRX activationary time, described subscriber equipment are scheduled and random access procedure continue;
The time that time the time of waiting for base station in response after uplink scheduling request sends that comprises in the DRX activationary time, the sub-frame of uplink that described subscriber equipment is scheduled and random access procedure continue.
11. device as claimed in claim 9 is characterized in that:
Time the time of waiting for base station in response after uplink scheduling request sends that comprises in the described DRX activationary time comprises: the time that continues the timer operation, the time of the inactive timer operation of DRX, the time of DRX retransmission timer operation, media access control competition solves the time of timer operation, uplink retransmission stand-by period and non-competingly access at random the downlink data stand-by period, the time that the time of waiting for base station in response after described uplink scheduling request sends and described lasting timer move, the time of the inactive timer operation of DRX, the time of DRX retransmission timer operation, media access control competition solves the time of timer operation, uplink retransmission stand-by period or the non-competing overlapping part of downlink data stand-by period that accesses at random belong to described scheduling time.
12. device as claimed in claim 10 is characterized in that:
Described Transmit-Receive Unit also is used for sending the mutual interference indication information of mutual interference state in the characterization device to the base station before receiving the DRX configuration information.
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