CN109644379A - A kind of cell switching method and terminal - Google Patents
A kind of cell switching method and terminal Download PDFInfo
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- CN109644379A CN109644379A CN201780050582.6A CN201780050582A CN109644379A CN 109644379 A CN109644379 A CN 109644379A CN 201780050582 A CN201780050582 A CN 201780050582A CN 109644379 A CN109644379 A CN 109644379A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0058—Transmission of hand-off measurement information, e.g. measurement reports
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- H—ELECTRICITY
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- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
Abstract
The embodiment of the invention discloses cell switching method and terminals, it include: that terminal obtains the measurement result switched for cell in current discontinuous reception DRX cycle, when judging measurement result less than the first preset threshold, the parameter area according to belonging to measurement result, and the mapping relations between preset parameter area and the duration of DRX cycle, it determines the duration of the corresponding DRX cycle of measurement result, and updates the duration of current DRX cycle according to the duration of DRX cycle；Terminal executes cell handover operations when judging that measurement result is greater than or equal to the first preset threshold.The embodiment of the present invention advantageously reduces time delay when terminal carries out cell switching, improves cell switching efficiency.
Description
The present invention relates to field of communication technology more particularly to a kind of cell switching method and terminals.
In a wireless communication system, in order to save power consumption of terminal, DRX (Discontinuous Reception, discontinuous reception) mechanism is generallyd use.DRX mechanism is a kind of reception mechanism for being intended to reduce power consumption of terminal that long term evolution (Long Term Evolution, LTE) system uses.It is by introducing terminal radio frequency (Radio Frequency, RF) module is regularly opened and closed mechanism, it allows radio-frequency module to be in and is turned on or off alternate state, to periodically monitor Physical Downlink Control Channel (Physical Downlink Control Channel, PDCCH), without PDCCH to be continued to monitor, to achieve the purpose that reduce UE power consumption.
As shown in Figure 1, for the schematic illustration of DRX mechanism in prior art LTE system.Wherein, On Duration (persistently monitoring the period) indicates the period of terminal monitoring PDCCH channel, and the radio-frequency channel of UE is opened during this period of time, and continuously monitors PDCCH；The other time except On Duration is removed, UE radio-frequency module will be closed, to achieve the purpose that power saving.On Duration is periodically to occur, and the specific period is configured by eNB (evolved Node B, evolved base station) and realized.While reaching saving power for terminal, in order to avoid the communication delay between eNB and terminal is excessive, the concept of long period (long cycle) and short cycle (short cycle) is introduced.In short cycle, the ratio long period that On duration occurs is more frequent.Configure it is macrocyclic can choose configuration short cycle simultaneously, to shorten the time of terminal monitoring control channel, reduce data transmission delay.In order to implement DRX mechanism, LTE system devises a variety of timers, and combine HARQ (Hybrid Automatic Repeat Request, mixed automatic retransfer) process, give the operating process under DRX mechanism, associated timer includes: 1, inactivity timer Inactivity Timer: the timer is opened when terminal receives the control signaling of HARQ initial transmission during On duration, before the timer expiry, and the continuous monitoring control channel of terminal.If terminal receives the control signaling of HARQ initial transmission before Inactivity Timer time-out, will terminate and again
Start Inactivity Timer.2, two-way time timer RTT Timer: it is only applicable to DL (downlink).If terminal has received the control signaling of HARQ re-transmission, this timer will be opened.If the data in corresponding HARQ instance process still decoded after a preceding HARQ transmission it is unsuccessful, after RTT Timer timer expiry, terminal open retransmission timer Retransmission Timer.If the successfully decoded after a preceding HARQ transmission of the data in corresponding HARQ instance process, after RTT Timer timer expiry, terminal does not start Retransmission Timer.3, retransmission timer Retransmission Timer: during retransmission timer, terminal monitoring control channel waits the re-transmission of corresponding HARQ instance process.
As shown in Fig. 2, for the mechanism of each timer in prior art DRX mechanism.It is first turned on On duration Timer, during On duration Timer operation, eNB scheduled DL initial transmission at the t1 moment, and then Inactivity Timer starts, while HARQ RTT Timer is opened.T2 moment Inactivity Timer is overtime first.T3 moment HARQ RTT Timer time-out then starts Retransmission Timer at this time since t1 moment initial transmission does not succeed (terminal feedback denies response NACK).At the t4 moment, eNB scheduled to be retransmitted for the first time, and then Retransmission Timer is stopped, while starting RTT Timer.At the t6 moment, RTT Timer time-out, and the first time at t4 moment retransmits again without success (terminal feeds back NACK), and then Retransmission Timer starts.T7 moment, eNB scheduled second of re-transmission, and Retransmission Timer is stopped, while starting RTT Timer.Since second retransmits successfully (terminal feedback acknowledgment response ACK), then after RTT Timer time-out, Retransmission Timer will not be started.
As shown in Figure 3, during terminal switches from serving cell to Target cell, terminal can obtain measurement data in each DRX cycle (this is sentenced for long period long cycle), and according to measurement data (such as: Reference Signal Received Power (Reference Signal Receiving Power, RSRP measurement result)) is compared with preset threshold, to judge whether to meet the condition of cell switching, when meeting the condition of cell switching, terminal completes cell switching, since the DRX mechanism of terminal is configured with the fixed period, due to the delay of the non-On Duration period in DRX cycle, the measurement result that terminal was got meet switching condition may be the biggish value of absolute presupposition threshold value, it is aobvious So switch additional delay which results in cell, influences the efficiency that terminal carries out cell switching.
Summary of the invention
The embodiment of the present invention provides a kind of cell switching method and terminal, to reduce time delay when terminal carries out cell switching, improves cell switching efficiency.
In a first aspect, the embodiment of the present invention provides a kind of cell switching method, comprising:
Terminal obtains the measurement result for cell switching in current discontinuous reception DRX cycle, when judging the measurement result less than the first preset threshold, according to parameter area belonging to the measurement result, and the mapping relations between preset parameter area and the duration of DRX cycle, determine the duration of the corresponding DRX cycle of the measurement result, and the duration of the current DRX cycle is updated according to the duration of the DRX cycle, corresponding first DRX cycle of the first parameter area in the mapping relations is greater than the corresponding second DRX cycle duration of the second parameter area, the maximum value of first parameter area is less than the minimum value of second parameter area, and the DRX cycle in the mapping relations is less than the DRX short cycle of the terminal；
The terminal executes cell handover operations when judging that the measurement result is greater than or equal to first preset threshold.
It can be seen that, in the embodiment of the present invention, terminal is according to the measurement result dynamic adjustment DRX cycle for cell switching, and due in preset mapping relations, the duration of DRX cycle reduces with the increase of measurement range belonging to measurement result, to measurement result incrementally increase until be greater than or equal to the first preset threshold during, DRX cycle can be shorter and shorter, so that the difference between the measurement result for meeting switching condition and the first preset threshold that eventually detect can be small as far as possible, i.e. total switching is postponed a meeting or conference when waiting to be reduced as far as possible, and then advantageously reduce time delay when terminal carries out cell switching, improve cell switching efficiency.
In a possible design, the terminal obtains the measurement result for cell switching in current discontinuous reception DRX cycle, comprising:
The terminal obtains the first measurement data of serving cell and the second measurement data of neighboring community in current DRX cycle；
The terminal determines the measurement result for cell switching according to first measurement data and second measurement data.
In a possible design, the terminal obtains the first measurement data of serving cell and the second measurement data of neighboring community in current DRX cycle, comprising:
The terminal receives the first high-level signaling that network side equipment is sent, and first high-level signaling includes the first measurement data of the serving cell and the second measurement data of the neighboring community；Alternatively,
The terminal receives the default dynamic signaling that network side equipment is sent by control channel, and the default dynamic signaling includes the first measurement data of the serving cell and the second measurement data of the neighboring community.
In a possible design, first measurement data and second measurement data are included any of the following:
Reference Signal Received Power RSRP, received signal strength indicator (Received Signal Strength Indication, RSSI), the service quality of Reference Signal Received Quality (Reference Signal Receiving Quality, RSRQ) and the neighboring community is higher than the bias A3Offset of the service quality of the serving cell.
In a possible design, the method also includes:
The terminal receives the second high-level signaling that network side equipment is sent, and second high-level signaling includes the mapping relations.
In a possible design, the method also includes:
Judging the measurement result less than the first preset threshold, and the measurement result be greater than or equal to the second preset threshold when, persistently open the lasting monitoring period On Duration of the current DRX cycle, update the measurement result, until judging that the measurement result is greater than or equal to first preset threshold, cell handover operations are executed, second preset threshold is less than first preset threshold.
It can be seen that, in the design, terminal is detecting that measurement result is greater than or equal to the second preset threshold and when less than the first preset threshold, it persistently opens On Duration and updates measurement result until measurement result is greater than or equal to first preset threshold, to avoid the delay of the period of the non-On Duration of DRX cycle, the switching efficiency of terminal is improved.
In a possible design, the method also includes:
After the completion of the terminal detects the cell handover operations, the DRX mechanism for switching the terminal is preset DRX mechanism, and the preset DRX mechanism includes DRX long period and DRX short cycle.
Second aspect, the embodiment of the present invention provide a kind of terminal, which has the function of realizing the behavior of terminal in above method design.The function can also execute corresponding software realization by hardware realization by hardware.The hardware or software include one or more modules corresponding with above-mentioned function.
In a possible design, terminal includes processor, the processor is configured to terminal is supported to hold
Corresponding function in the row above method.Further, terminal can also include transceiver, and the transceiver is used to support the communication between terminal and network side equipment.Further, terminal can also include memory, and the memory saves the necessary program instruction of terminal and data for coupling with processor.
The third aspect, the embodiment of the present invention provide a kind of computer readable storage medium, instruction are stored in the computer readable storage medium, when run on a computer, so that computer executes method described in above-mentioned first aspect.
Fourth aspect, the embodiment of the present invention provide a kind of computer program product comprising instruction, when run on a computer, so that computer executes method described in above-mentioned first aspect.
It can be seen that, in the embodiment of the present invention, terminal is according to the measurement result dynamic adjustment DRX cycle for cell switching, and due in preset mapping relations, the duration of DRX cycle reduces with the increase of measurement range belonging to measurement result, to measurement result incrementally increase until be greater than or equal to the first preset threshold during, DRX cycle can be shorter and shorter, so that the difference between the measurement result for meeting switching condition and the first preset threshold that eventually detect can be small as far as possible, i.e. total switching is postponed a meeting or conference when waiting to be reduced as far as possible, and then advantageously reduce time delay when terminal carries out cell switching, improve cell switching efficiency.
The drawings to be used in the description of the embodiments or prior art will be briefly described below
Fig. 1 is long period and short-period exemplary diagram in existing DRX mechanism；
Fig. 2 is the timer function schematic diagram of existing DRX mechanism；
Fig. 3 is the process schematic that terminal carries out cell switching in existing DRX mechanism；
A kind of Fig. 4 schematic diagram of the possible network architecture provided in an embodiment of the present invention；
Fig. 5 is a kind of flow diagram of cell switching method provided in an embodiment of the present invention；
Fig. 6 A is a kind of process schematic of example cell switching method provided in an embodiment of the present invention；
Fig. 6 B is the process schematic of another example cell switching method provided in an embodiment of the present invention；
Fig. 7 A is a kind of structural schematic diagram of terminal provided in an embodiment of the present invention；
Fig. 7 B is the structural schematic diagram of another terminal provided in an embodiment of the present invention；
Fig. 8 is the structural schematic diagram of another terminal provided in an embodiment of the present invention.
It is described below in conjunction with attached drawing technical solution in the embodiment of the present invention.
Referring to Fig. 4, Fig. 4 is a kind of possible network architecture provided in an embodiment of the present invention.The network architecture includes network side equipment and terminal, when the mobile communications network that accessing terminal to network side apparatus provides, can be connected by wireless link circuitry between terminal and network side equipment.The network side equipment for example can be the base station in the 5th generation (5th Generation, 5G) mobile communications network.In the embodiment of the present invention, noun " network " and " system " are often used alternatingly, it will be appreciated by those skilled in the art that its meaning.Terminal involved by the embodiment of the present invention may include the various handheld devices with wireless communication function, mobile unit, wearable device, calculate equipment or be connected to other processing equipments of radio modem, and various forms of user equipment (User Equipment, UE), mobile station (Mobile Station, MS), terminal device (terminal device) etc..For convenience of description, apparatus mentioned above is referred to as terminal.
In addition, discontinuous reception DRX mechanism described in the embodiment of the present invention each means the DRX mechanism (DRX in RRC_CONNECTED) under RRC (Radio Resource Control, wireless heterogeneous networks) connected state.
Please refer to Fig. 5, Fig. 5 is a kind of cell switching method provided in an embodiment of the present invention, and applied to the mobile communications network including network side equipment and terminal, the network side equipment and the terminal are communicated to connect, this method comprises: 501 parts and 502 parts, specific as follows:
501 parts, terminal obtains the measurement result for cell switching in current discontinuous reception DRX cycle, when judging the measurement result less than the first preset threshold, according to parameter area belonging to the measurement result, and the mapping relations between preset parameter area and the duration of DRX cycle, determine the duration of the corresponding DRX cycle of the measurement result, and the duration of the current DRX cycle is updated according to the duration of the DRX cycle, corresponding first DRX cycle of the first parameter area in the mapping relations is greater than the corresponding second DRX cycle duration of the second parameter area, the maximum value of first parameter area is less than the minimum value of second parameter area, and the DRX cycle in the mapping relations is less than the terminal
DRX short cycle.
Wherein, terminal can specifically obtain the measurement result for cell switching during the lasting monitoring period On Duration of current discontinuous reception DRX cycle.
502 parts, the terminal execute cell handover operations when judging that the measurement result is greater than or equal to first preset threshold.
It can be seen that, in the embodiment of the present invention, terminal is according to the measurement result dynamic adjustment DRX cycle for cell switching, due in preset mapping relations, the duration of DRX cycle reduces with the increase of measurement range belonging to measurement result, to measurement result incrementally increase until be greater than or equal to the first preset threshold during, DRX cycle can be shorter and shorter, so that the difference between the measurement result for meeting switching condition and the first preset threshold that eventually detect can be small as far as possible, i.e. total switching is postponed a meeting or conference when waiting to be reduced as far as possible, and then advantageously reduce time delay when terminal carries out cell switching, improve cell switching efficiency.
In a possible example, the terminal obtains the measurement result for cell switching in current discontinuous reception DRX cycle, comprising:
The terminal obtains the first measurement data of serving cell and the second measurement data of neighboring community in current DRX cycle；
The terminal determines the measurement result for cell switching according to first measurement data and second measurement data.
Wherein, the measurement result specifically can be the value that second measurement data subtracts first measurement data.
In a possible example, the terminal obtains the first measurement data of serving cell and the second measurement data of neighboring community in current DRX cycle, comprising:
The terminal receives the first high-level signaling that network side equipment is sent, and first high-level signaling includes the first measurement data of the serving cell and the second measurement data of the neighboring community；Alternatively,
The terminal receives the default dynamic signaling that network side equipment is sent by control channel, and the default dynamic signaling includes the first measurement data of the serving cell and the second measurement data of the neighboring community.
In a possible example, first measurement data and second measurement data are included any of the following:
Reference Signal Received Power RSRP, received signal strength indicator RSSI, Reference Signal Received Quality
The service quality of RSRQ and the neighboring community is higher than the bias A3Offset of the service quality of the serving cell.
In a possible example, the method also includes:
The terminal receives the second high-level signaling that network side equipment is sent, and second high-level signaling includes the mapping relations.
In a possible example, the method also includes:
Judging the measurement result less than the first preset threshold, and the measurement result be greater than or equal to the second preset threshold when, persistently open the lasting monitoring period On Duration of the current DRX cycle, update the measurement result, until judging that the measurement result is greater than or equal to first preset threshold, cell handover operations are executed, second preset threshold is less than first preset threshold.
It can be seen that, in this example, terminal is detecting that measurement result is greater than or equal to the second preset threshold and when less than the first preset threshold, it persistently opens On Duration and updates measurement result until measurement result is greater than or equal to first preset threshold, to avoid the delay of the period of the non-On Duration of DRX cycle, the switching efficiency of terminal is improved.
In a possible example, the method also includes:
After the completion of the terminal detects the cell handover operations, the DRX mechanism for switching the terminal is preset DRX mechanism, and the preset DRX mechanism includes DRX long period and DRX short cycle.
Wherein, the default DRX mechanism is the DRX mechanism in existing LTE network, and details are not described herein again.
Below with reference to concrete application scene, embodiments of the present invention is further illustrated.As shown in Figure 6A, assuming that including the mapping relations between the duration and the 4th parameter area of the mapping relations and the 4th DRX cycle between mapping relations, the duration of third DRX cycle and the third parameter area between mapping relations, the duration of the second DRX cycle and the second parameter area between the duration and the first parameter area of the first DRX cycle in preset mapping relations, and terminal initial is in the long period long DRX cycle of preset DRX mechanism.
After terminal determination needs to carry out cell handover operations, the first measurement result is obtained during the current macrocyclic On Duration of DRX, when judging first measurement result less than the first preset threshold, the first parameter area according to belonging to the first measurement result, and preset mapping relations, it determines that the corresponding DRX cycle of the first measurement result is the duration of the first DRX cycle, and DRX is updated according to the duration of the first DRX cycle
Long period.
And then, the terminal is detecting after the DRX long period, it is switched to the first DRX cycle, and the second measurement result is obtained during the On Duration of the first DRX cycle, when judging the second measurement result less than the first preset threshold, the second parameter area and preset mapping relations according to belonging to the second measurement result, it determines that the corresponding DRX cycle of the second measurement result is the duration of the second DRX cycle, and the first DRX cycle is updated according to the duration of the second DRX cycle.
And then, the terminal is detecting after first DRX cycle, it is switched to the second DRX cycle, and third measurement result is obtained during the On Duration of the second DRX cycle, when judging first measurement result less than the first preset threshold, according to third parameter area belonging to third measurement result and preset mapping relations, it determines that the corresponding DRX cycle of third measurement result is the duration of third DRX cycle, and the second DRX cycle is updated according to the duration of third DRX cycle.
And then, the terminal is switched to third DRX cycle detecting after second DRX cycle, and the 4th measurement result is obtained during the On Duration of third DRX cycle, when judging that the 4th measurement result is greater than the first preset threshold, cell handover operations are executed.
As shown in Figure 6B, assuming that including the mapping relations between the duration and the 4th parameter area of the mapping relations and the 4th DRX cycle between mapping relations, the duration of third DRX cycle and the third parameter area between mapping relations, the duration of the second DRX cycle and the second parameter area between the duration and the first parameter area of the first DRX cycle in preset mapping relations, and terminal initial is in the long period long DRX cycle of preset DRX mechanism.
After terminal determination needs to carry out cell handover operations, the first measurement result is obtained during the current macrocyclic On Duration of DRX, when judging first measurement result less than the second preset threshold, the first parameter area according to belonging to the first measurement result, and preset mapping relations, it determines that the corresponding DRX cycle of the first measurement result is the duration of the first DRX cycle, and DRX long period is updated according to the duration of the first DRX cycle.
And then, the terminal is detecting after the DRX long period, it is switched to the first DRX cycle, and the second measurement result is obtained during the On Duration of the first DRX cycle, when judging the second measurement result less than the second preset threshold, the second parameter area according to belonging to the second measurement result, and
Preset mapping relations determine that the corresponding DRX cycle of the second measurement result is the duration of the second DRX cycle, and update the first DRX cycle according to the duration of the second DRX cycle.
And then, the terminal is detecting after first DRX cycle, it is switched to the second DRX cycle, and third measurement result is obtained during the On Duration of the second DRX cycle, judge first measurement result less than the first preset threshold and when being greater than the second preset threshold, persistently open the lasting monitoring period On Duration of the current DRX cycle, update the third measurement result, and when judging that the measurement result is equal to first preset threshold, cell handover operations are executed.
It is above-mentioned that mainly the scheme of the embodiment of the present invention is described from the angle of interaction between each network element.It is understood that terminal and network side equipment are in order to realize the above functions, it comprises execute the corresponding hardware configuration of each function and/or software module.Those skilled in the art should be readily appreciated that, unit and algorithm steps described in conjunction with the examples disclosed in the embodiments of the present disclosure, and the present invention can be realized with the combining form of hardware or hardware and computer software.Some function is executed in a manner of hardware or computer software driving hardware actually, specific application and design constraint depending on technical solution.Professional technician can specifically realize described function to each using distinct methods, but such implementation should not be considered as beyond the scope of the present invention.
Two or more functions can also be integrated in a processing unit according to the division that above method example carries out functional unit to terminal and network side equipment for example, each functional unit of each function division can be corresponded to by the embodiment of the present invention.Above-mentioned integrated unit both can take the form of hardware realization, can also realize in the form of software functional units.It should be noted that being schematically that only a kind of logical function partition, there may be another division manner in actual implementation to the division of unit in the embodiment of the present invention.
Using integrated unit, Fig. 7 A shows a kind of possible structural schematic diagram of terminal involved in above-described embodiment.Terminal 700 includes: processing unit 702 and communication unit 703.Processing unit 702 for carrying out control management to the movement of terminal, for example, processing unit 702 be used to supporting terminal execute the step 501 in Fig. 5 and 502 and/or for techniques described herein other processes.Communication unit 703 is used to support the communication of terminal and other equipment, such as the communication between network side equipment shown in Fig. 4.Terminal can also include storage unit 701, for storing the program code and data of terminal.
Wherein, processing unit 702 can be processor or controller, such as it can be central processing unit (Central Processing Unit, CPU), general processor, digital signal processor (Digital Signal Processor, DSP), specific integrated circuit (Application-Specific Integrated Circuit, ASIC), field programmable gate array (Field Programmable Gate Array, FPGA) either other programmable logic device, transistor logic, hardware component or any combination thereof.It, which may be implemented or executes, combines various illustrative logic blocks, module and circuit described in the disclosure of invention.The processor is also possible to realize the combination of computing function, such as combines comprising one or more microprocessors, DSP and the combination of microprocessor etc..Communication unit 703 can be transceiver, transmission circuit etc., and storage unit 701 can be memory.
Wherein, the processing unit 702, for obtaining the measurement result switched for cell by the communication unit 703 in current discontinuous reception DRX cycle, when judging the measurement result less than the first preset threshold, according to parameter area belonging to the measurement result, and the mapping relations between preset parameter area and the duration of DRX cycle, determine the duration of the corresponding DRX cycle of the measurement result, and the duration of the current DRX cycle is updated according to the duration of the DRX cycle, corresponding first DRX cycle of the first parameter area in the mapping relations is greater than the corresponding second DRX cycle duration of the second parameter area, the maximum value of first parameter area is less than the minimum value of second parameter area, and the DRX cycle in the mapping relations is less than the terminal DRX short cycle；And for executing cell handover operations when judging that the measurement result is greater than or equal to first preset threshold.
In a possible example, the processing unit 702 is specifically used for: obtaining the first measurement data of the serving cell and the second measurement data of the neighboring community by the communication unit 703 in the current DRX cycle；And for determining the measurement result for cell switching according to first measurement data and second measurement data.
In a possible example, the processing unit 702 is specifically used for:
The first high-level signaling that network side equipment is sent is received by the communication unit 703, first high-level signaling includes the first measurement data of the serving cell and the second measurement data of the neighboring community；Alternatively,
Receive the default dynamic signaling that sends by control channel of network side equipment by the communication unit 703, the default dynamic signaling include the serving cell the first measurement data and the neighboring community the
Two measurement data.
In a possible example, first measurement data and second measurement data are included any of the following:
Reference Signal Received Power RSRP, received signal strength indicator RSSI, Reference Signal Received Quality RSRQ and the service quality of the neighboring community are higher than the bias A3Offset of the service quality of the serving cell.
In a possible example, the processing unit 702 is also used to: receiving the second high-level signaling that network side equipment is sent by the communication unit 703, second high-level signaling includes the mapping relations.
In a possible example, the processing unit 702 is also used to: judging the measurement result less than the first preset threshold, and the measurement result be greater than or equal to the second preset threshold when, persistently open the lasting monitoring period On Duration of the current DRX cycle, update the measurement result, until judging that the measurement result is greater than or equal to first preset threshold, cell handover operations are executed, second preset threshold is less than first preset threshold.
In a possible example, the processing unit 702 is also used to: after the completion of detecting the cell handover operations, the DRX mechanism for switching the terminal is preset DRX mechanism, and the preset DRX mechanism includes DRX long period and DRX short cycle.
When processing unit 702 is processor, communication unit 703 is communication interface, and when storage unit 701 is memory, terminal involved in the embodiment of the present invention can be terminal shown in Fig. 7 B.
Refering to shown in Fig. 7 B, which includes: processor 712, communication interface 713, memory 711.Optionally, terminal 710 can also include bus 714.Wherein, communication interface 713, processor 712 and memory 711 can be connected with each other by bus 714；Bus 714 can be Peripheral Component Interconnect standard (Peripheral Component Interconnect, abbreviation PCI) bus or expanding the industrial standard structure (Extended Industry Standard Architecture, abbreviation EISA) bus etc..The bus 714 can be divided into address bus, data/address bus, control bus etc..Only to be indicated with a thick line in Fig. 7 B, it is not intended that an only bus or a type of bus convenient for indicating.
Terminal shown in above-mentioned Fig. 7 A or Fig. 7 B is not it can be appreciated that a kind of device for terminal, the embodiment of the present invention limit.
The embodiment of the invention also provides another terminals, as shown in figure 8, for ease of description, only parts related to embodiments of the present invention are shown, it is disclosed by specific technical details, please refer to present invention method part.The terminal can be include mobile phone, tablet computer, PDA (Personal Digital Assistant, personal digital assistant), POS (Point of Sales, point-of-sale terminal), any terminal device such as vehicle-mounted computer, taking the terminal as an example:
Fig. 8 shows the block diagram of the part-structure of mobile phone relevant to terminal provided in an embodiment of the present invention.With reference to Fig. 8, mobile phone includes: radio frequency (Radio Frequency, RF) the components such as circuit 810, memory 820, input unit 830, display unit 840, sensor 850, voicefrequency circuit 860, Wireless Fidelity (Wireless Fidelity, WiFi) module 870, processor 880 and power supply 890.It will be understood by those skilled in the art that handset structure shown in Fig. 8 does not constitute the restriction to mobile phone, it may include perhaps combining certain components or different component layouts than illustrating more or fewer components.
It is specifically introduced below with reference to each component parts of the Fig. 8 to mobile phone:
RF circuit 810 can be used for sending and receiving for information.In general, RF circuit 810 includes but is not limited to antenna, at least one amplifier, transceiver, coupler, low-noise amplifier (Low Noise Amplifier, LNA), duplexer etc..In addition, RF circuit 810 can also be communicated with network and other equipment by wireless communication.Any communication standard or agreement can be used in above-mentioned wireless communication, including but not limited to global system for mobile communications (Global System of Mobile communication, GSM), general packet radio service (General Packet Radio Service, GPRS), CDMA (Code Division Multiple Access, CDMA), wideband code division multiple access (Wideband Code Division Multiple Access, WCDMA), long term evolution (Long Term Evolution, LTE), Email, short message service (Short Messaging Service, SMS) etc..
Memory 820 can be used for storing software program and module, and processor 880 is stored in the software program and module of memory 820 by operation, thereby executing the various function application and data processing of mobile phone.Memory 820 can mainly include storing program area and storage data area, wherein storing program area can application program needed for storage program area, at least one function etc.；Storage data area, which can be stored, uses created data etc. according to mobile phone.In addition, memory 820 may include high-speed random access memory, it can also include nonvolatile memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.
Input unit 830 can be used for receiving the number or character information of input, and generate key signals input related with the user setting of mobile phone and function control.Specifically, input unit 830 may include fingerprint recognition mould group 831 and other input equipments 832.Fingerprint recognition mould group 831 can acquire the finger print data of user on it.In addition to fingerprint recognition mould group 831, input unit 830 can also include other input equipments 832.Specifically, other input equipments 832 can include but is not limited to one of touch screen, physical keyboard, function key (such as volume control button, switch key etc.), trace ball, mouse, operating stick etc. or a variety of.
Display unit 840 can be used for showing information input by user or be supplied to the information of user and the various menus of mobile phone.Display unit 840 may include display screen 841, optionally, display screen 841 can be configured using the forms such as liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED).Although in fig. 8, fingerprint recognition mould group 831 and display screen 841 are the input and input function for realizing mobile phone as two independent components, but in some embodiments it is possible to fingerprint recognition mould group 831 and display screen 841 are integrated and are realized the input and playing function of mobile phone.
Mobile phone may also include at least one sensor 850, such as optical sensor, motion sensor and other sensors.Specifically, optical sensor may include ambient light sensor and proximity sensor, wherein ambient light sensor can adjust the brightness of display screen 841 according to the light and shade of ambient light, and proximity sensor can close display screen 841 and/or backlight when mobile phone is moved in one's ear.As a kind of motion sensor, accelerometer sensor can detect the size of (generally three axis) acceleration in all directions, size and the direction that can detect that gravity when static can be used to identify application (such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, percussion) of mobile phone posture etc.；The other sensors such as the gyroscope, barometer, hygrometer, thermometer, the infrared sensor that can also configure as mobile phone, details are not described herein.
Voicefrequency circuit 860, loudspeaker 861, microphone 862 can provide the audio interface between user and mobile phone.Electric signal after the audio data received conversion can be transferred to loudspeaker 861 by voicefrequency circuit 860, be converted to voice signal by loudspeaker 861 and played；On the other hand, the voice signal of collection is converted to electric signal by microphone 862, audio data is converted to after being received by voicefrequency circuit 860, it again will be after the processing of audio data playback process device 880, through RF circuit 810 to be sent to such as another mobile phone, or audio data played to memory 820 to be further processed.
WiFi belongs to short range wireless transmission technology, and mobile phone can help user to send and receive e-mail by WiFi module 870, browse webpage and access streaming video etc., it provides wireless broadband internet for user and accesses.Although Fig. 8 shows WiFi module 870, but it is understood that, and it is not belonging to must be configured into for mobile phone, it can according to need within the scope of not changing the essence of the invention and omit completely.
Processor 880 is the control centre of mobile phone, utilize the various pieces of various interfaces and connection whole mobile phone, by running or executing the software program and/or module that are stored in memory 820, and call the data being stored in memory 820, the various functions and processing data for executing mobile phone, to carry out integral monitoring to mobile phone.Optionally, processor 880 may include one or more processing units；Preferably, processor 880 can integrate application processor and modem processor, wherein the main processing operation system of application processor, user interface and application program etc., modem processor mainly handles wireless communication.It is understood that above-mentioned modem processor can not also be integrated into processor 880.
Mobile phone further includes the power supply 890 (such as battery) powered to all parts, preferably, power supply can be logically contiguous by power-supply management system and processor 880, to realize the functions such as management charging, electric discharge and power managed by power-supply management system.
Although being not shown, mobile phone can also include camera, bluetooth module etc., and details are not described herein.
In aforementioned embodiment shown in fig. 5, the process of terminal side can be realized based on the structure of the mobile phone in each step method.
In embodiment shown in earlier figures 7A, Fig. 7 B, each unit function can be realized based on the structure of the mobile phone.
The step of method described in the embodiment of the present invention or algorithm, can be realized in a manner of hardware, be also possible to execute the mode of software instruction by processor to realize.Software instruction can be made of corresponding software module, software module can be stored on random access memory (Random Access Memory, RAM), flash memory, read-only memory (Read Only Memory, ROM), Erasable Programmable Read Only Memory EPROM (Erasable Programmable ROM, EPROM), in the storage medium of Electrically Erasable Programmable Read-Only Memory (Electrically EPROM, EEPROM), register, hard disk, mobile hard disk, CD-ROM (CD-ROM) or any other form well known in the art.A kind of illustrative storage medium is coupled to processor, to enable a processor to from the read information, and can deposit to this
Information is written in storage media.Certainly, storage medium is also possible to the component part of processor.Pocessor and storage media can be located in ASIC.In addition, the ASIC can be located in access network equipment, destination network device or equipment of the core network.Certainly, pocessor and storage media can also be used as discrete assembly and be present in access network equipment, destination network device or equipment of the core network.
It will be appreciated that in said one or multiple examples, described function of the embodiment of the present invention can be realized those skilled in the art wholly or partly by software, hardware, firmware or any combination thereof.When implemented in software, it can entirely or partly realize in the form of a computer program product.The computer program product includes one or more computer instructions.When loading on computers and executing the computer program instructions, entirely or partly generate according to process or function described in the embodiment of the present invention.The computer can be general purpose computer, special purpose computer, computer network or other programmable devices.The computer instruction may be stored in a computer readable storage medium, or it is transmitted from a computer readable storage medium to another computer readable storage medium, such as, the computer instruction can be transmitted from a web-site, computer, server or data center by wired (such as coaxial cable, optical fiber, Digital Subscriber Line (Digital Subscriber Line, DSL)) or wireless (such as infrared, wireless, microwave etc.) mode to another web-site, computer, server or data center.The computer readable storage medium can be any usable medium that computer can access or include the data storage devices such as one or more usable mediums integrated server, data center.The usable medium can be magnetic medium (such as, floppy disk, hard disk, tape), optical medium (such as, digital video disk (Digital Video Disc, DVD)) or semiconductor medium (such as, solid state hard disk (Solid State Disk, SSD)) etc..
Above-described specific embodiment; the purpose of the embodiment of the present invention, technical scheme and beneficial effects are had been further described; it should be understood that; the foregoing is merely the specific embodiments of the embodiment of the present invention; it is not intended to limit the present invention the protection scope of embodiment; all any modification, equivalent substitution, improvement and etc. on the basis of the technical solution of the embodiment of the present invention, done should all include within the protection scope of the embodiment of the present invention.
Claims (15)
- A kind of cell switching method characterized by comprisingTerminal obtains the measurement result for cell switching in current discontinuous reception DRX cycle, when judging the measurement result less than the first preset threshold, according to parameter area belonging to the measurement result, and the mapping relations between preset parameter area and the duration of DRX cycle, determine the duration of the corresponding DRX cycle of the measurement result, and the duration of the current DRX cycle is updated according to the duration of the DRX cycle, corresponding first DRX cycle of the first parameter area in the mapping relations is greater than the corresponding second DRX cycle duration of the second parameter area, the maximum value of first parameter area is less than the minimum value of second parameter area, and the DRX cycle in the mapping relations is less than the DRX short cycle of the terminal；The terminal executes cell handover operations when judging that the measurement result is greater than or equal to first preset threshold.
- The method according to claim 1, wherein the terminal obtains the measurement result for cell switching in current discontinuous reception DRX cycle, comprising:The terminal obtains the first measurement data of the serving cell and the second measurement data of the neighboring community in the current DRX cycle；The terminal determines the measurement result for cell switching according to first measurement data and second measurement data.
- According to the method described in claim 2, it is characterized in that, the terminal obtains the first measurement data of serving cell and the second measurement data of neighboring community in current DRX cycle, comprising:The terminal receives the first high-level signaling that network side equipment is sent, and first high-level signaling includes the first measurement data of the serving cell and the second measurement data of the neighboring community；Alternatively,The terminal receives the default dynamic signaling that network side equipment is sent by control channel, and the default dynamic signaling includes the first measurement data of the serving cell and the second measurement data of the neighboring community.
- According to the method in claim 2 or 3, which is characterized in that first measurement data and second measurement data include any of the following:Reference Signal Received Power RSRP, received signal strength indicator RSSI, Reference Signal Received Quality RSRQ and the service quality of the neighboring community are higher than the bias of the service quality of the serving cell A3 Offset。
- Method according to claim 1-4, which is characterized in that the method also includes:The terminal receives the second high-level signaling that network side equipment is sent, and second high-level signaling includes the mapping relations.
- Method according to claim 1-5, which is characterized in that the method also includes:Judging the measurement result less than the first preset threshold, and the measurement result be greater than or equal to the second preset threshold when, persistently open the lasting monitoring period On Duration of the current DRX cycle, update the measurement result, until judging that the measurement result is greater than or equal to first preset threshold, cell handover operations are executed, second preset threshold is less than first preset threshold.
- Method according to claim 1-6, which is characterized in that the method also includes:After the completion of the terminal detects the cell handover operations, the DRX mechanism for switching the terminal is preset DRX mechanism, and the preset DRX mechanism includes DRX long period and DRX short cycle.
- A kind of terminal, which is characterized in that including processing unit and communication unit,The processing unit is used to obtain the measurement result for cell switching by the communication unit in current discontinuous reception DRX cycle, when judging the measurement result less than the first preset threshold, according to parameter area belonging to the measurement result, and the mapping relations between preset parameter area and the duration of DRX cycle, determine the duration of the corresponding DRX cycle of the measurement result, and the duration of the current DRX cycle is updated according to the duration of the DRX cycle, corresponding first DRX cycle of the first parameter area in the mapping relations is greater than the corresponding second DRX cycle duration of the second parameter area, the maximum value of first parameter area is less than the minimum value of second parameter area, and the DRX cycle in the mapping relations is less than the DRX short cycle of the terminal；And for executing cell handover operations when judging that the measurement result is greater than or equal to first preset threshold.
- Terminal according to claim 8, which is characterized in that the processing unit is specifically used for: the first measurement data of the serving cell and the second measurement data of the neighboring community are obtained by the communication unit in the current DRX cycle；And for determining the measurement result for cell switching according to first measurement data and second measurement data.
- Terminal according to claim 9, which is characterized in that the processing unit is specifically used for:The first high-level signaling that network side equipment is sent is received by the communication unit, first high-level signaling includes the first measurement data of the serving cell and the second measurement data of the neighboring community；Alternatively,The default dynamic signaling that network side equipment is sent by control channel is received by the communication unit, the default dynamic signaling includes the first measurement data of the serving cell and the second measurement data of the neighboring community.
- Terminal according to claim 9 or 10, which is characterized in that first measurement data and second measurement data include any of the following:Reference Signal Received Power RSRP, received signal strength indicator RSSI, Reference Signal Received Quality RSRQ and the service quality of the neighboring community are higher than the bias A3 Offset of the service quality of the serving cell.
- According to the described in any item terminals of claim 8-11, which is characterized in that the processing unit is also used to: receiving the second high-level signaling that network side equipment is sent by the communication unit, second high-level signaling includes the mapping relations.
- According to the described in any item terminals of claim 8-12, it is characterized in that, the processing unit is also used to: judging the measurement result less than the first preset threshold, and the measurement result be greater than or equal to the second preset threshold when, persistently open the lasting monitoring period On Duration of the current DRX cycle, update the measurement result, until judging that the measurement result is greater than or equal to first preset threshold, cell handover operations are executed, second preset threshold is less than first preset threshold.
- According to the described in any item terminals of claim 8-13, it is characterized in that, the processing unit is also used to: after the completion of detecting the cell handover operations, the DRX mechanism for switching the terminal is preset DRX mechanism, and the preset DRX mechanism includes DRX long period and DRX short cycle.
- A kind of terminal, which is characterized in that including processor, memory and transceiver, the processor is connect with the memory and the transceiver communications；The memory is stored with program code and data, and the processor is used to call the said program code and the data in the memory, executes the method according to claim 1 to 7.
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| Application Number | Priority Date | Filing Date | Title |
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| PCT/CN2017/074242 WO2018152673A1 (en) | 2017-02-21 | 2017-02-21 | Cell handover method, and terminal |
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| CN109644379A true CN109644379A (en) | 2019-04-16 |
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