CN106550435A - A kind of method and apparatus for reducing beep-page message Transmission Time Interval - Google Patents
A kind of method and apparatus for reducing beep-page message Transmission Time Interval Download PDFInfo
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- CN106550435A CN106550435A CN201510595713.1A CN201510595713A CN106550435A CN 106550435 A CN106550435 A CN 106550435A CN 201510595713 A CN201510595713 A CN 201510595713A CN 106550435 A CN106550435 A CN 106550435A
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- paging
- tti
- radio frames
- beep
- page message
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
- H04W68/02—Arrangements for increasing efficiency of notification or paging channel
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The application proposes a kind of method and apparatus for reducing beep-page message Transmission Time Interval, is related to wireless communication technology, and methods described includes：The beep-page message that network equipment sends is monitored with scheduled transmission time interval TTI；It is determined that monitoring the position of the beep-page message TTI, the predetermined TTI is less than 1 millisecond.Allow UE to shorten paging time delay, and the time for alloing UE to shorten to monitoring beep-page message and activating, and then reduce the power consumption of UE.
Description
Technical field
The present invention relates to wireless communication technology, and in particular to a kind of reduction beep-page message Transmission Time Interval
Method and apparatus.
Background technology
In the 5th third-generation mobile communication technology (5G, 5th Generation) system, low energy consumption, low time delay
It is important technical specification.At present in LTE (Long Term Evolution, Long Term Evolution) system
Discontinuous reception (DRX, Discontinuous that UE (User Equipment, user terminal) is adopted
Reception mode) is received by PDSCH (Physical Downlink Shared Channel, thing
Reason DSCH Downlink Shared Channel) beep-page message that sends, UE is in specified PF (Paging Frame, paging
Frame) PO (Paging Occasion, paging occasion) place activate to PDCCH (Physical Downlink
Control Channel, Physical Downlink Control Channel) and PDSCH (Physical Downlink Shared
Channel, Physical Downlink Shared Channel) monitoring.And at present the length of beep-page message be fixed as 1 it is sub
The length (1 millisecond) of frame, also just means that the time of activation every time is at least 1 millisecond.If can enter
One step reduces activationary time during UE monitoring Paging message, it is possible to further reduces UE and monitors
The power consumption of Paging message, it is also possible to so that Paging message is shorter, advantageously reduce Paging when
Prolong.
Between the transmission time less than 1 millisecond for PDCCH and PDSCH introduced in 5G technologies
Every (TTI --- Transmission Time Interval) afterwards for Paging message reduce every time activation when
Between provide may.But while currently used for the mode (PF of the moment point for determining UE reception Paging message
The mode combined with PO), the position of UE Paging can only be caused to determine to specific subframe, and
When PDSCH is using 1 millisecond of TTI is less than, multiple TTI, existing determination in a subframe, are had
During the method for Paging positions cannot determine subframe, which TTI is used for Paging, it is impossible to reasonably using little
Paging message is transmitted in the PDSCH of 1 millisecond of TTI.
The content of the invention
The present invention provides a kind of method and apparatus for reducing beep-page message Transmission Time Interval, is shortened by seeking
The Transmission Time Interval of message is exhaled, reduction call delay is realized and is reduced power consumption of terminal.
In order to realize foregoing invention purpose, the technical scheme that the present invention takes is as follows：
A kind of method for reducing beep-page message Transmission Time Interval, it is characterised in that include：
The beep-page message that network equipment sends is monitored with scheduled transmission time interval TTI；
It is determined that monitoring the position of the beep-page message TTI, the predetermined TTI is less than 1 millisecond.
Further, it is determined that the position for monitoring the beep-page message TTI includes：
The beep-page message according to listening to determines paging radio frames；
Paging subframe position is determined in the paging radio frames；
The position for monitoring the beep-page message TTI is determined in the paging subframe.
Further, it is determined that the position for monitoring the beep-page message TTI includes：
The beep-page message according to listening to determines paging radio frames；
The position for monitoring the beep-page message TTI is determined in the paging radio frames.
Further, the predetermined TTI includes one below：1 orthogonal frequency division multiplex OFDM symbol
Time span, the time span of 2 OFDM symbols, the time span of 3 OFDM symbols, 4
The time span of individual OFDM symbol, the time span of 5 OFDM symbols, 6 OFDM symbols
Time span, the time span of 7 OFDM symbols, 0.5 millisecond, 1 time slot.
Further, determine that paging radio frames include according to the beep-page message for listening to：
According to user terminal UE mark id number, monitor beep-page message paging radio frames cycle and
The number of the radio frames in one paging wireless frame period for paging determines paging radio frames.
Further, determine that paging radio frames include according to the beep-page message for listening to：
The system frame number SFN for meeting equation below is defined as into paging radio frames：
SFN mod T=(T div N) * (UE_ID mod N)
Wherein, T is the cycle of the paging radio frames for monitoring beep-page message, in units of radio frames；UE_ID
For No. ID of UE, UE_ID=IMSI mod 1024, IMSI are international mobile subscriber identity；N
The number of the radio frames to be used for paging in a paging wireless frame period；Mod represents remainder, div tables
Show and divide exactly.
Further, determine that paging subframe position includes in the paging radio frames：
It is used for the nothing of paging in mark id number, a paging wireless frame period according to user terminal UE
The number for being used for paging subframe in the number of line frame and a paging radio frames determines paging subframe position.
Further, determine that paging subframe position includes in the paging radio frames：
The position indication information of paging subframe is determined according to equation below：
I_s=floor (UE_ID/N) mod Ns
Wherein, i_s is the position indication information for paging subframe, and UE_ID is No. ID of UE,
UE_ID=IMSI mod 1024, IMSI are international mobile subscriber identity, and N is a paging radio frames
It is used for the number of the radio frames of paging in cycle；Ns be in a paging radio frames for paging subframe
Number, mod represent remainder, and floor is represented；
According to the position indication information and the corresponding relation of paging subframe position of paging subframe, paging is determined
Frame position.
Further, determine that the position for monitoring the beep-page message TTI includes in the paging subframe：
It is used for the nothing of paging in mark id number, a paging wireless frame period according to user terminal UE
It is used for being used in the number and a paging subframe of paging subframe in the number of line frame, a paging radio frames
The TTI numbers of paging determine the position of the beep-page message TTI.
Further, determine that the position for monitoring the beep-page message TTI includes in the paging subframe：
The position indication information of the TTI for being used for paging in paging subframe is determined according to equation below：
J_tti=floor [UE_ID/ (N*Ns)] mod N_tti
Wherein, j_tti is the position indication information of the TTI in paging subframe for paging, and UE_ID is
No. ID of UE, UE_ID=IMSI mod 1024, IMSI are international mobile subscriber identity, and N is
It is used for the number of the radio frames of paging in one paging wireless frame period；Ns be a paging radio frames in use
In the number of paging subframe, N_tti is the TTI numbers in a paging subframe for paging, and mod is represented
Remainder, floor are represented；
According to position indication information and the position of beep-page message TTI of the TTI for being used for paging in paging subframe
Corresponding relation, determine the position of beep-page message TTI.
Further, determine that the position for monitoring the beep-page message TTI is wrapped in the paging radio frames
Include：
It is used for the nothing of paging in mark id number, a paging wireless frame period according to user terminal UE
The TTI numbers for being used for paging in the number of line frame and a paging radio frames determine.
Further, determine that the position for monitoring the beep-page message TTI is wrapped in the paging radio frames
Include：
The position indication information of the TTI for being used for paging in radio frames is determined according to equation below：
I_tti=floor (UE_ID/N) mod Ntti
Wherein, the position indication information of TTIs of the i_tti to be used for paging in radio frames, UE_ID is UE
No. ID, UE_ID=IMSI mod 1024, IMSI are international mobile subscriber identity, and N is one
In paging wireless frame period for paging radio frames number, Ntti is to be used in a paging radio frames
The TTI numbers of paging, mod represent remainder, and floor is represented；
According to position indication information and the position of beep-page message TTI of the TTI for being used for paging in radio frames
Corresponding relation, determines the position of beep-page message TTI.
Further, also include before methods described：
Determine whether the UE and/or network equipment support the ability of predetermined TTI.
Further, it is determined that whether the UE supports that the ability of predetermined TTI includes：
Inquire about the UE attaching process or tracing section updating process determines whether the UE supports to make a reservation for
The monitoring ability of TTI.
Further, it is determined that whether the network equipment supports that the monitoring ability of predetermined TTI includes：
By in system information broadcast SIB message, whether the paging information comprising predetermined TTI determines the net
Whether network side apparatus support the paging capability of predetermined TTI.
Further, also include before methods described：
Triggering the network equipment uses the predetermined TTI to send beep-page message.
To solve above-mentioned technical problem, the present invention also provides a kind of reduction beep-page message Transmission Time Interval
Device, including：
Module is monitored, the paging for network equipment transmission is monitored with scheduled transmission time interval TTI disappears
Breath；
Paging module, for determining the position for monitoring the beep-page message TTI, the predetermined TTI is less than
1 millisecond.
Preferably, the paging module includes：
First radio frame unit, for determining paging radio frames according to the beep-page message for listening to；
Subframe unit, for paging subframe position is determined in the paging radio frames；
First paging position unit, monitors the beep-page message TTI for determining in the paging subframe
Position.
Preferably, the paging module includes：
Second radio frame unit, for determining paging radio frames according to the beep-page message for listening to；
Second paging position unit, monitors the beep-page message for determining in the paging radio frames
The position of TTI.
Preferably, according to the beep-page message for listening to, first radio frame unit determines that paging is wireless
According to the beep-page message for listening to, frame or second radio frame unit determine that paging radio frames are
Refer to：
According to user terminal UE mark id number, monitor beep-page message paging radio frames cycle and
The number of the radio frames in one paging wireless frame period for paging determines paging radio frames.
Preferably, according to the beep-page message for listening to, first radio frame unit determines that paging is wireless
According to the beep-page message for listening to, frame or second radio frame unit determine that paging radio frames are
Refer to：
The system frame number SFN for meeting equation below is defined as into paging radio frames：
SFN mod T=(T div N) * (UE_ID mod N)
Wherein, T is the cycle of the paging radio frames for monitoring beep-page message, in units of radio frames；UE_ID
For No. ID of UE, UE_ID=IMSI mod 1024, IMSI are international mobile subscriber identity；N
The number of the radio frames to be used for paging in a paging wireless frame period；Mod represents remainder, div tables
Show and divide exactly.
Preferably, the subframe unit determines that in the paging radio frames paging subframe position is referred to：
It is used for the nothing of paging in mark id number, a paging wireless frame period according to user terminal UE
The number for being used for paging subframe in the number of line frame and a paging radio frames determines paging subframe position.
Preferably, the subframe unit determines that in the paging radio frames paging subframe position is referred to：
The position indication information of paging subframe is determined according to equation below：
I_s=floor (UE_ID/N) mod Ns
Wherein, i_s is the position indication information for paging subframe, and UE_ID is No. ID of UE,
UE_ID=IMSI mod 1024, IMSI are international mobile subscriber identity, and N is a paging radio frames
It is used for the number of the radio frames of paging in cycle；Ns be in a paging radio frames for paging subframe
Number, mod represent remainder, and floor is represented；
According to the position indication information and the corresponding relation of paging subframe position of paging subframe, paging is determined
Frame position.
Preferably, the first paging position unit determines that in the paging subframe monitoring paging disappears
The position of breath TTI refers to：
It is used for the nothing of paging in mark id number, a paging wireless frame period according to user terminal UE
It is used for being used in the number and a paging subframe of paging subframe in the number of line frame, a paging radio frames
The TTI numbers of paging determine the position of the beep-page message TTI.
Preferably, the first paging position unit determines that in the paging subframe monitoring paging disappears
The position of breath TTI refers to：
The position indication information of the TTI for being used for paging in paging subframe is determined according to equation below：
J_tti=floor [UE_ID/ (N*Ns)] mod N_tti
Wherein, j_tti is the position indication information of the TTI in paging subframe for paging, and UE_ID is
No. ID of UE, UE_ID=IMSI mod 1024, IMSI are international mobile subscriber identity, and N is
It is used for the number of the radio frames of paging in one paging wireless frame period；Ns be a paging radio frames in use
In the number of paging subframe, N_tti is the TTI numbers in a paging subframe for paging, and mod is represented
Remainder, floor are represented；
According to position indication information and the position of beep-page message TTI of the TTI for being used for paging in paging subframe
Corresponding relation, determine the position of beep-page message TTI.
Preferably, the second paging position unit determines the monitoring paging in the paging radio frames
The position of message TTI refers to：
It is used for the nothing of paging in mark id number, a paging wireless frame period according to user terminal UE
The TTI numbers for being used for paging in the number of line frame and a paging radio frames determine.
Preferably, the second paging position unit determines the monitoring paging in the paging radio frames
The position of message TTI refers to：
The position indication information of the TTI for being used for paging in radio frames is determined according to equation below：
I_tti=floor (UE_ID/N) mod Ntti
Wherein, the position indication information of TTIs of the i_tti to be used for paging in radio frames, UE_ID is UE
No. ID, UE_ID=IMSI mod 1024, IMSI are international mobile subscriber identity, and N is one
In paging wireless frame period for paging radio frames number, Ntti is to be used in a paging radio frames
The TTI numbers of paging, mod represent remainder, and floor is represented；
According to position indication information and the position of beep-page message TTI of the TTI for being used for paging in radio frames
Corresponding relation, determines the position of beep-page message TTI.
Preferably, described device also includes：
Ability module, for determining whether the UE and/or network equipment support the ability of predetermined TTI.
Preferably, the ability module determines whether the UE supports that the ability of predetermined TTI is referred to：
Inquire about the UE attaching process or tracing section updating process determines whether the UE supports to make a reservation for
The monitoring ability of TTI.
Preferably, the ability module determines whether the network equipment supports the monitoring energy of predetermined TTI
Power is referred to：
By in system information broadcast SIB message, whether the paging information comprising predetermined TTI determines the net
Whether network side apparatus support the paging capability of predetermined TTI.
Preferably, described device also includes：
Trigger module, uses the predetermined TTI to send beep-page message for triggering the network equipment.
Compared to the prior art the present invention, has the advantages that：
The method and apparatus that the present invention is provided, is passed using the PDSCH less than 1 millisecond of Transmission Time Interval
Defeated beep-page message, so that UE can shorten paging time delay, and allows UE to shorten to monitor
Beep-page message and time for activating, and then reduce the power consumption of UE.
Description of the drawings
Fig. 1 is a kind of flow process of the method for reduction beep-page message Transmission Time Interval of the embodiment of the present invention
Figure；
Fig. 2 is that a kind of structure of the device of reduction beep-page message Transmission Time Interval of the embodiment of the present invention is shown
It is intended to；
Fig. 3 is the flow chart of the method 1 of the determination paging position provided in the present invention；
Fig. 4 is the flow chart of the method 2 of the determination paging position provided in the present invention；
Embodiment one and the signaling process schematic diagram of embodiment seven that Fig. 5 is provided for the present invention；
Fig. 6 is for described in the embodiment one that provides of the present invention, as TTI=0.5ms, the numbering of TTI is shown
It is intended to；
The signaling process schematic diagram of the embodiment two that Fig. 7 is provided for the present invention；
The signaling process schematic diagram of the embodiment three that Fig. 8 is provided for the present invention；
The signaling process schematic diagram of the example IV that Fig. 9 is provided for the present invention；
The signaling process schematic diagram of the embodiment five that Figure 10 is provided for the present invention；
The signaling process schematic diagram of the embodiment six that Figure 11 is provided for the present invention；
Figure 12 is for described in the embodiment seven that provides of the present invention, as TTI=0.5ms, the numbering of TTI is shown
It is intended to.
Specific embodiment
To make goal of the invention, technical scheme and the beneficial effect of the present invention of greater clarity, with reference to
Accompanying drawing is illustrated to embodiments of the invention, it should be noted that in the case where not conflicting, this Shen
Please in embodiment and embodiment in feature can mutual combination in any.
As shown in figure 1, the embodiment of the present invention provides a kind of method for reducing beep-page message Transmission Time Interval,
End side is applied to, including：
The beep-page message that network equipment sends is monitored with scheduled transmission time interval TTI；
It is determined that monitoring the position of the beep-page message TTI, the predetermined TTI is less than 1 millisecond.
Network equipment sends beep-page message using the TTI less than 1 millisecond, and accordingly terminal is using being less than
1 millisecond of TTI monitors beep-page message, and determines that network side sends the position of beep-page message TTI, i.e. institute
State the position of terminal monitoring beep-page message TTI.
Network equipment and end side determine the position of Paging according to identical method, can so accomplish
While network side sends Paging, UE can monitor Paging.
The predetermined TTI includes one below：The time span of 1 orthogonal frequency division multiplex OFDM symbol,
The time span of 2 OFDM symbols, the time span of 3 OFDM symbols, 4 OFDM symbols
Time span, the time span of 5 OFDM symbols, the time span of 6 OFDM symbols, 7
The time span of individual OFDM symbol, 0.5 millisecond, 1 time slot.
It is determined that the position for monitoring the beep-page message TTI includes：
The beep-page message according to listening to determines paging radio frames；
Paging subframe position is determined in the paging radio frames；
The position for monitoring the beep-page message TTI is determined in the paging subframe；
Or,
The beep-page message according to listening to determines paging radio frames；
The position for monitoring the beep-page message TTI is determined in the paging radio frames.
The beep-page message according to listening to determines that paging radio frames include：
The cycle of mark id number, the paging radio frames of monitoring beep-page message according to user terminal UE
Number in (Paging Cycle) and a paging wireless frame period for the radio frames of paging determines paging
Radio frames.
Specifically, the system frame number SFN for meeting equation below is defined as into paging radio frames：
SFN mod T=(T div N) * (UE_ID mod N)
Wherein, T is the cycle of the paging radio frames for monitoring beep-page message, in units of radio frames；UE_ID
For No. ID of UE, UE_ID=IMSI mod 1024, IMSI are international mobile subscriber identity；N
The number of the radio frames to be used for paging in a paging wireless frame period；Mod represents remainder, div tables
Show and divide exactly.
In formula, T div N typically require that T is the integral multiple of N.
Determine that paging subframe position includes in the paging radio frames：
It is used for the nothing of paging in mark id number, a paging wireless frame period according to user terminal UE
The number for being used for paging subframe in the number of line frame and a paging radio frames determines paging subframe position.
Specifically, the position indication information of paging subframe is determined according to equation below：
I_s=floor (UE_ID/N) mod Ns
Wherein, i_s is the position indication information for paging subframe, and UE_ID is No. ID of UE,
UE_ID=IMSI mod 1024, IMSI are international mobile subscriber identity, and N is a paging radio frames
It is used for the number of the radio frames of paging in cycle；Ns be in a paging radio frames for paging subframe
Number, mod represent remainder, and floor is represented；
According to the position indication information and the corresponding relation of paging subframe position of paging subframe, paging is determined
Frame position.
The position indication information of the paging subframe with the mapping table of paging subframe position is：
FDD (Frequency Division Duplexing, FDD) system：
| Ns | PO when i_s=0 | PO when i_s=1 | PO when i_s=2 | PO when i_s=3 |
| 1 | 9 | N/A | N/A | N/A |
| 2 | 4 | 9 | N/A | N/A |
| 4 | 0 | 4 | 5 | 9 |
Wherein, Ns is the number in a paging radio frames for paging subframe；
I_s is " position indication information of paging subframe " calculated according to formula.
PO (Paging Occasion) is " paging subframe position ", has borrowed the PO in current agreement
Description, it is also possible to be modified as other descriptions.It is worth for the subframe number in paging radio frames.
If Ns=2, and the i_s for calculating is 0, then PO is exactly 4, in representing paging radio frames
Numbering be 4 subframe as paging subframe.
TDD (Time Division Duplexing, time division duplex) system (all UL/DL
configurations):
| Ns | PO when i_s=0 | PO when i_s=1 | PO when i_s=2 | PO when i_s=3 |
| 1 | 0 | N/A | N/A | N/A |
| 2 | 0 | 5 | N/A | N/A |
| 4 | 0 | 1 | 5 | 6 |
Wherein, UL/DL configurations (Up Link/Down Link, uplink/downlink configuration) are
The standard content of tdd mode in LTE, may have various uplink-downlink configurations, different uplink-downlink configurations
In, the distribution of the descending sub frame in a radio frames is different.Here " all " is used, represents this table
It is adapted to all of uplink-downlink configuration, inquiry mode is consistent with FDD system.
Determine that the position for monitoring the beep-page message TTI includes in the paging subframe：
It is used for the nothing of paging in mark id number, a paging wireless frame period according to user terminal UE
It is used for being used in the number and a paging subframe of paging subframe in the number of line frame, a paging radio frames
The TTI numbers of paging determine the position of the beep-page message TTI.
Specifically, the position indication information of the TTI for being used for paging in paging subframe is determined according to equation below：
J_tti=floor [UE_ID/ (N*Ns)] mod N_tti
Wherein, j_tti is the position indication information of the TTI in paging subframe for paging, and UE_ID is
No. ID of UE, UE_ID=IMSI mod 1024, IMSI are international mobile subscriber identity, and N is
It is used for the number of the radio frames of paging in one paging wireless frame period；Ns be a paging radio frames in use
In the number of paging subframe, N_tti is the TTI numbers in a paging subframe for paging, and mod is represented
Remainder, floor are represented；
According to position indication information and the position of beep-page message TTI of the TTI for being used for paging in paging subframe
Corresponding relation, determine the position of beep-page message TTI.
After determining the corresponding j_tti of UE_ID, it is possible to it is determined that for the beep-page message TTI of the UE
Position, the position can be given with the numbering form of TTI, during the TTI numberings refer to a subframe
TTI successively from 0 start numbering.
N_tti is the TTI numbers that can be used for paging in a subframe, can be fixed using some value,
Can directly be configured by network and be given.
The TTI position indication informations for being used for paging in one subframe can use the form of bitmap (bitmap)
To indicate, each of the bitmap represents that each TTI in subframe, corresponding TTI can use successively
With different values representing in paging and when being not useable for paging.Now it is used for paging in a subframe
TTI number N_tti values be indicate in the bitmap correspondence TTI can be used for the bit of paging number (when
When indicating that correspondence TTI can be used for paging with 1,1 number in as bitmap).The bitmap
UE can be broadcast to by system broadcast message.
In one paging subframe for some UE beep-page message TTI position can have 1 or
It is multiple, that is, j_tti can correspond to 1 or multiple TTI for paging.
J_tti and can be being obtained by the way of mapping table for the TTI positions of paging.Specifically, first
Default j_tti, N_tti and the mapping table of the TTI positions for paging, a j_tti can correspond to one
Individual or multiple TTI positions for paging, then after the j_tti for calculating certain UE, by inquiry
J_tti and N_tti can be obtained by the paging that certain or certain several TTI positions can be used for the UE.
J_tti and the TTI corresponding relations for paging can be obtained according to described bitmap.Specifically,
The message bit pattern (bitmap) of the TTI for paging is broadcasted in broadcast, during each represents subframe
A TTI, represent whether corresponding TTI can be used for paging with 1 or 0.Then calculate it is a certain
After the j_tti of individual UE, it is possible to obtain which individual TTI for paging as the paging position of the UE,
The TTI specifically for paging be can be obtained by with reference to the bitmap obtained from broadcast.
Determine that the position for monitoring the beep-page message TTI includes in the paging radio frames：
It is used for the nothing of paging in mark id number, a paging wireless frame period according to user terminal UE
The TTI numbers for being used for paging in the number of line frame and a paging radio frames determine.
Specifically, the position indication information of the TTI for being used for paging in radio frames is determined according to equation below：
I_tti=floor (UE_ID/N) mod Ntti
Wherein, the position indication information of TTIs of the i_tti to be used for paging in radio frames, UE_ID is UE
No. ID, UE_ID=IMSI mod 1024, IMSI are international mobile subscriber identity, and N is one
In paging wireless frame period for paging radio frames number, Ntti is to be used in a paging radio frames
The TTI numbers of paging, mod represent remainder, and floor is represented；
According to position indication information and the position of beep-page message TTI of the TTI for being used for paging in radio frames
Corresponding relation, determines the position of beep-page message TTI.
Likewise, Ntti is the TTI numbers that can be used for paging in a subframe, can fix using a certain
Individual value, it is also possible to which directly configuration is given by network.
The TTI that can be used for paging in one radio frames can be indicated with the form of bitmap (bitmap),
Each of the bitmap represents that each TTI in radio frames, corresponding TTI can be used for paging successively
With when being not useable for paging with different values representing.Now can be used for paging in a radio frames
TTI number Ntti values be indicate in the bitmap correspondence TTI can be used for the bit of paging number (when
When indicating that correspondence TTI can be used for paging with 1,1 number in as bitmap).The bitmap
UE can be broadcast to by system broadcast message.
Position in one paging radio frames for the paging TTI of some UE can have 1 or many
It is individual, that is, i_tti can correspond to 1 or multiple TTI for paging.
I_tti and can be being obtained by the way of mapping table for the TTI positions of paging.Specifically, first
Default i_tti, Ntti and the mapping table of the TTI positions for paging, an i_tti can correspond to one
(TTI in a radio frames is integrally compiled successively individual or multiple TTI positions for paging
Number), then after the i_tti for calculating certain UE, certain is can be obtained by by inquiring about i_tti and Ntti
Individual or certain several TTI position can be used for the paging of the UE.
I_tti and the TTI corresponding relations for paging can be obtained according to described bitmap.Specifically,
The message bit pattern (bitmap) of the TTI for paging is broadcasted in broadcast, each represents radio frames
In a TTI, represent whether corresponding TTI can be used for paging with 1 or 0.Then calculating certain
After the i_tti of one UE, it is possible to obtain which individual TTI for paging as the paging position of the UE
Put, the TTI specifically for paging is can be obtained by with reference to the bitmap obtained from broadcast.
Also include before methods described：
Determine whether the UE and/or network equipment support the ability of predetermined TTI.
Whether beep-page message is transmitted on the PDSCH less than 1 millisecond of TTI, can be according to UE energy
Whether power and eNodeB support the paging of the TTI less than 1 millisecond to determine.
Determine whether the UE supports that the ability of predetermined TTI includes：
Inquire about the UE attaching process or tracing section updating process determines whether the UE supports to make a reservation for
The monitoring ability of TTI.
(Attach) process or tracing section updating (TAU, Tracking can be adhered in UE in current mechanism
Area Update) during initiate UE capability queries (UECapabilityEnquiry) Procedure Acquisition UE
(UE is by reporting UECapabilityInformation informing networks side UE for ability.
Determine whether the network equipment supports that the monitoring ability of predetermined TTI includes：
By in system information broadcast SIB message, whether the paging information comprising predetermined TTI determines the net
Whether network side apparatus support the paging capability of predetermined TTI.
Also include before methods described：
Triggering the network equipment uses the predetermined TTI to send beep-page message.
When network equipment supports the paging less than 1 millisecond of TTI, can with by UE in Attach
Or carrying needs trigger paging using the instruction of the paging of the TTI less than 1 millisecond during TAU
Message is transmitted on the PDSCH less than 1 millisecond of TTI.
As shown in Fig. 2 the embodiment of the present invention also provides a kind of dress for reducing beep-page message Transmission Time Interval
Put, including：
Module is monitored, the paging for network equipment transmission is monitored with scheduled transmission time interval TTI disappears
Breath；
Paging module, for determining the position for monitoring the beep-page message TTI, the predetermined TTI is less than
1 millisecond.
The paging module includes：
First radio frame unit, for determining paging radio frames according to the beep-page message for listening to；
Subframe unit, for paging subframe position is determined in the paging radio frames；
First paging position unit, monitors the beep-page message TTI for determining in the paging subframe
Position.
Or the paging module includes：
Second radio frame unit, for determining paging radio frames according to the beep-page message for listening to；
Second paging position unit, monitors the beep-page message for determining in the paging radio frames
The position of TTI.
First radio frame unit determines paging radio frames or institute according to the beep-page message for listening to
State the second radio frame unit and determine that paging radio frames are referred to according to the beep-page message for listening to：
According to user terminal UE mark id number, monitor beep-page message paging radio frames cycle and
The number of the radio frames in one paging wireless frame period for paging determines paging radio frames.
Specifically, the system frame number SFN for meeting equation below is defined as into paging radio frames：
SFN mod T=(T div N) * (UE_ID mod N)
Wherein, T is the cycle of the paging radio frames for monitoring beep-page message, in units of radio frames；UE_ID
For No. ID of UE, UE_ID=IMSI mod 1024, IMSI are international mobile subscriber identity；N
The number of the radio frames to be used for paging in a paging wireless frame period；Mod represents remainder, div tables
Show and divide exactly.
The subframe unit determines that in the paging radio frames paging subframe position is referred to：
It is used for the nothing of paging in mark id number, a paging wireless frame period according to user terminal UE
The number for being used for paging subframe in the number of line frame and a paging radio frames determines paging subframe position.
Specifically, the position indication information of paging subframe is determined according to equation below：
I_s=floor (UE_ID/N) mod Ns
Wherein, i_s is the position indication information for paging subframe, and UE_ID is No. ID of UE,
UE_ID=IMSI mod 1024, IMSI are international mobile subscriber identity, and N is a paging radio frames
It is used for the number of the radio frames of paging in cycle；Ns be in a paging radio frames for paging subframe
Number, mod represent remainder, and floor is represented；
According to the position indication information and the corresponding relation of paging subframe position of paging subframe, paging is determined
Frame position.
The first paging position unit is determined in the paging subframe monitors the beep-page message TTI's
Position refers to：
It is used for the nothing of paging in mark id number, a paging wireless frame period according to user terminal UE
It is used for being used in the number and a paging subframe of paging subframe in the number of line frame, a paging radio frames
The TTI numbers of paging determine the position of the beep-page message TTI.
Specifically, the position indication information of the TTI for being used for paging in paging subframe is determined according to equation below：
J_tti=floor [UE_ID/ (N*Ns)] mod N_tti
Wherein, j_tti is the position indication information of the TTI in paging subframe for paging, and UE_ID is
No. ID of UE, UE_ID=IMSI mod 1024, IMSI are international mobile subscriber identity, and N is
It is used for the number of the radio frames of paging in one paging wireless frame period；Ns be a paging radio frames in use
In the number of paging subframe, N_tti is the TTI numbers in a paging subframe for paging, and mod is represented
Remainder, floor are represented；
According to position indication information and the position of beep-page message TTI of the TTI for being used for paging in paging subframe
Corresponding relation, determine the position of beep-page message TTI.
The second paging position unit determines the monitoring beep-page message TTI in the paging radio frames
Position refer to：
It is used for the nothing of paging in mark id number, a paging wireless frame period according to user terminal UE
The TTI numbers for being used for paging in the number of line frame and a paging radio frames determine.
Specifically, the position indication information of the TTI for being used for paging in radio frames is determined according to equation below：
I_tti=floor (UE_ID/N) mod Ntti
Wherein, the position indication information of TTIs of the i_tti to be used for paging in radio frames, UE_ID is UE
No. ID, UE_ID=IMSI mod 1024, IMSI are international mobile subscriber identity, and N is one
In paging wireless frame period for paging radio frames number, Ntti is to be used in a paging radio frames
The TTI numbers of paging, mod represent remainder, and floor is represented；
According to position indication information and the position of beep-page message TTI of the TTI for being used for paging in radio frames
Corresponding relation, determines the position of beep-page message TTI.
Described device also includes：
Ability module, for determining whether the UE and/or network equipment support the ability of predetermined TTI.
The ability module determines whether the UE supports that the ability of predetermined TTI is referred to：
Inquire about the UE attaching process or tracing section updating process determines whether the UE supports to make a reservation for
The monitoring ability of TTI.
The ability module determines whether the network equipment supports that the monitoring ability of predetermined TTI is referred to：
By in system information broadcast SIB message, whether the paging information comprising predetermined TTI determines the net
Whether network side apparatus support the paging capability of predetermined TTI.
Described device also includes：
Trigger module, uses the predetermined TTI to send beep-page message for triggering the network equipment.
The present invention proposes to transmit beep-page message on the PDSCH less than 1 millisecond of TTI, to shorten transmission
Time delay, while reducing UE monitors the power consumption needed for beep-page message.
To reach this purpose, need to solve following problem：
1st, how when needing beep-page message to be transmitted on the PDSCH less than 1 millisecond of TTI, determine net
Network side sends the position of beep-page message, and the position of terminal monitoring beep-page message.
The present invention proposes two kinds of solutions：
Scheme 1：As shown in figure 3, determining the position that can be used to transmitting beep-page message in three steps.
Paging radio frames are determined first, are then determined paging subframe position in paging radio frames, are finally existed
The position of beep-page message TTI is determined in paging subframe.
Step 1：Determine paging radio frames (PF).
The method for determining paging radio frames (PF) is：According to the id information of UE, the paging of beep-page message
It is used for the radio frames of paging in the cycle (Paging Cycle) of radio frames and a paging wireless frame period
Determining.Specially：The SFN (System Frame Number) of equation below is met as paging
Radio frames (PF)：
SFN mod T=(T div N) * (UE_ID mod N)
Wherein,
Cycles (Paging Cycle) of the T for the paging radio frames of beep-page message；
ID (Identity) number, UE_ID=IMSI mod 1024 of the UE_ID for UE.
N is the radio frames in a paging wireless frame period for paging；
Step 2：Paging subframe position (PO) is determined in paging radio frames.
The method of paging subframe position is：According to use in the id information of UE, a paging wireless frame period
It is used for the number of sub-frames of paging in the radio frames and a paging radio frames of paging determining.
The paging subframe position information of UE can be obtained according to equation below specifically：
I_s=floor (UE_ID/N) mod Ns
Wherein,
I_s is the position indication information of the subframe for paging, i_s and for the descending of paging
There is the corresponding relation of determination the position of subframe, and the position for the descending sub frame of paging is compiled with subframe
Number form embody.
ID (Identity) number, UE_ID=IMSI mod 1024 of the UE_ID for UE.
N is the radio frames in a paging radio-frame time for paging；
Ns is the number of sub-frames in a paging radio frames (PF) for paging.
Obtaining after i_s just can be according to paging subframe position (PO is represented with subframe number) and i_s
Mapping table is obtained.
The mapping table is：
FDD:
| Ns | PO when i_s=0 | PO when i_s=1 | PO when i_s=2 | PO when i_s=3 |
| 1 | 9 | N/A | N/A | N/A |
| 2 | 4 | 9 | N/A | N/A |
| 4 | 0 | 4 | 5 | 9 |
TDD(all UL/DL configurations):
| Ns | PO when i_s=0 | PO when i_s=1 | PO when i_s=2 | PO when i_s=3 |
| 1 | 0 | N/A | N/A | N/A |
| 2 | 0 | 5 | N/A | N/A |
| 4 | 0 | 1 | 5 | 6 |
Step 3：The position of beep-page message TTI is determined in paging subframe.
In paging subframe, the method for the position of determination paging TTI is：The id information of foundation UE, one
It is used for the radio frames of paging in paging wireless frame period, in a paging radio frames, is used for the subframe of paging
It is used for the TTI numbers of paging in number, and a paging subframe determining.
The position letter of UE beep-page message TTI in paging subframe can be obtained using equation below specifically
Breath：
J_tti=floor [UE_ID/ (N*Ns)] mod N_tti
Wherein,
The position indication information of TTIs of the j_tti to be used for paging in paging subframe, j_tti and use
There is the corresponding relation for determining in the TTI of beep-page message, for the TTI TTI of beep-page message
Representing, TTI numberings are TTI in a subframe successively from 0 numbering for starting to numbering.
N_tti is the TTI numbers in a subframe for paging.Can be fixed according to agreement
Using some value, the TTI less than 1 millisecond that concrete subframe can be included such as is appointed as
PDSCH TTI maximum number, it is also possible to obtain by way of network is directly configured
(noting the maximum number of the no more than TTI that concrete subframe can be included).Or according to
Network side configuration for whether indicating corresponding TTI for transmitting the bitmap of the TTI of paging
(bitmap) knowing.Each of the bitmap represents each TTI in subframe successively,
With different values representing when corresponding TTI can be used for paging and be not useable for paging.This
When one subframe in can be used for paging TTI numbers N_tti value be the bitmap in indicate it is right
The number that TTI can be used for the bit of paging is answered (to can be used for seeking when TTI is corresponded to 1 instruction
When exhaling, 1 number in as bitmap).
ID (Identity) number, UE_ID=IMSI mod 1024 of the UE_ID for UE；
N is the radio frames in paging wireless frame period for paging；
Ns is the number of sub frames in a paging radio frames for paging；
After determining the corresponding j_tti of UE_ID, it is possible to it is determined that monitoring beep-page message for the UE
The position of TTI.One UE can have one or more to monitor the TTI's of paging in a subframe
Position.Mapping that can be between the numbering according to j_tti, N_tti and TTI for the position of the TTI of paging
Relation is obtained.Can also be according to the bitmap (bitmap) of the TTI that can be used for paging in j_tti and subframe
To determine.Each of the bitmap represents that each TTI in subframe, corresponding TTI can use successively
With different values representing in paging and when being not useable for paging.The bitmap can pass through system broadcasts
Message is broadcast to UE.
Scheme 2：As shown in figure 4, determining the position that can be used to transmitting beep-page message in two steps.
Paging radio frames are determined first, and the position of beep-page message TTI is then directly determined in paging radio frames
Put.Wherein it is determined that the method for paging radio frames is identical with the method for determination paging radio frames in scheme 1.
In paging radio frames, the method for the position of determination beep-page message TTI is：According to the id information of UE,
It is used for being used for paging in the radio frames and a paging radio frames of paging in one paging wireless frame period
TTI numbers determining.
The positional information of UE paging TTI in paging radio frames can be obtained using equation below specifically：
I_tti=floor (UE_ID/N) mod Ntti
Wherein,
The position indication information of TTIs of the i_tti to be used for paging in radio frames, i_tti and one
The TTI for being used for paging in radio frames has the corresponding relation of determination.For paging TTI with TTI
Numbering embodying, TTI numberings be in a radio frames all TTI successively from 0 numbering for starting.
ID (Identity) number, UE_ID=IMSI mod 1024 of the UE_ID for UE；
N is the radio frames in a paging wireless frame period for paging；
Ntti is the TTI numbers in a paging radio frames (PF) for paging.Can be with root
Fix using some value according to agreement, it is also possible to obtain (note by way of network is directly configured
Maximum number of the meaning no more than the TTI that can be included in radio frames).Or according to network
Side configuration for whether indicating corresponding TTI for transmitting the bitmap of the TTI of paging
(bitmap) knowing.Each of the bitmap represents each in radio frames successively
With different values representing when TTI, corresponding TTI can be used for paging and be not useable for paging.
The TTI numbers Ntti value that now can be used for paging in a radio frames is the bitmap middle fingers
Showing, the number for corresponding to the bit that TTI can be used for paging (can be used when TTI being corresponded to 1 instruction
When paging, 1 number in as bitmap).
After determining the corresponding i_tti of UE_ID, it is possible to it is determined that monitoring beep-page message for the UE
The position of TTI.One UE can have one or more to monitor the TTI of paging in a radio frame
Position.Position for the TTI of paging can be reflected between the numbering according to i_tti, Ntti and TTI
The relation of penetrating is obtained.Can also be according to the bitmap of the TTI that can be used for paging in i_tti and radio frames
(bitmap) determining.Each of the bitmap represents each TTI in radio frames successively, right
With different values representing when the TTI for answering can be used for paging and be not useable for paging.The bitmap can be with
UE is broadcast to by system broadcast message.
2nd, how to determine using the PDSCH transmission beep-page message less than 1 millisecond of TTI.
Using the including but not limited to following triggering side of the PDSCH transmission beep-page message less than 1 millisecond of TTI
Method：
Method 1：Triggered according to UE abilities, i.e., the paging less than 1 millisecond of TTI is supported in UE abilities
When also supporting the paging less than 1 millisecond of TTI with eNodeB, you can using seeking less than 1 millisecond of TTI
Exhale.UE abilities can adhere to (Attach) process or tracing section updating (TAU, Tracking in UE
Area Update) during know.And whether eNodeB supports that paging less than 1 millisecond of TTI can be with
Know by whether SIB message carries paging relevant information less than 1 millisecond of TTI.
Method 2：Triggering is indicated according to the UE-specific that UE is initiated, if i.e. eNodeB supports little
In the paging of 1 millisecond of TTI, while UE is by carrying less than 1 during Attach or TAU
The relevant information of the paging of millisecond TTI can then use the paging less than 1 millisecond of TTI.UE passes through herein
The relevant information of the paging less than 1 millisecond of TTI carried during Attach or TAU is distinguished in energy
Power instruction, can include but is not limited to UE Specific Paging Cycle, less than seeking for 1 millisecond of TTI
Exhale specific TTI values for being used etc..And whether eNodeB supports that the paging less than 1 millisecond of TTI can
Known so that the paging relevant information less than 1 millisecond of TTI whether is carried by SIB message.
Embodiment one：Whether used less than 1 millisecond of TTI come decision-making according to UE abilities and eNodeB abilities
Paging
Signaling process schematic diagrams of the Fig. 5 for the present embodiment.
101：Adhere to (Attach) process or tracing section updating (TAU, Tracking Area in UE
Update know whether UE is supported less than 1 millisecond by UE Capability Enquiry inquiries during)
TTI Paging abilities；
102：In UE reception system message (SIB, System Information Block), broadcast is less than
The Paging information and legacy Paging information (version before 3Gpp release 13 of 1 millisecond of TTI
Paging information).
103：If network side finds that UE abilities do not support the Paging abilities of the TTI less than 1 millisecond,
Or if there is no the Paging information of the TTI less than 1 millisecond in the SIB message that receives of UE, then
UE and eNodeB adopt legacy UE (UE of version before 3Gpp release 13) to determine paging
The method of position and legacy Paging Parameters determine the position for monitoring Paging message.Otherwise
UE and eNodeB determine the position for monitoring Paging message according to following method：
Step 1, determines that UE can monitor the radio frames (PF) of Paging, that is, meets equation below
SFN (System Frame Number) is used as paging radio frames (PF)：
SFN mod T=(T div N) * (UE_ID mod N)
Wherein,
Cycles (Paging Cycle) of the T for beep-page message, if in broadcast less than 1 millisecond
Default Paging Cycle are carried in the Paging message of TTI, then using the TTI less than 1 millisecond
The corresponding default Paging Cycle of Paging message, otherwise using legacy Paging message inside
Default Paging Cycle.
ID (Identity) number, UE_ID=IMSI mod 1024 of the UE_ID for UE.
N is to can be used for the radio frames of Paging, N=min (T, nB) in the Paging cycles.NB is by net
Network side is sent to UE by broadcast, its span nB:4T,2T,T,T/2,T/4,T/8,T/16,
T/32.If carrying nB in the Paging message less than 1 millisecond of TTI in broadcast,
Using the nB in the Paging message less than 1 millisecond of TTI.Legacy Paging message is adopted otherwise
The nB of the inside.
Step 2, obtains the paging subframe position information of UE according to equation below：
I_s=floor (UE_ID/N) mod Ns
Wherein,
I_s is the position indication information of the descending sub frame for paging, i_s and the descending son that can be used for paging
There is the corresponding relation of determination the position of frame, for paging descending sub frame position in the form of subframe number
Embody.
Ns is the number of sub frames that can be used for Paging in a radio frames, Ns=max (1, nB/T).
According to i_s and the mapping relations of paging subframe (PO), PO is obtained.
Step 3, being determined according to following principle is used for the position of Paging in a radio frames：
J_tti=floor [UE_ID/ (N*Ns)] mod N_tti
Wherein,
J_tti represents the numbering of the TTI for Paging in a subframe, and span is 0～N_tti-1；
N_tti is the TTI numbers that can be used for Paging in a subframe, can be according to the length of TTI come really
It is fixed.If that what is supported is the Paging of 0.5ms TTI, N_tti can be 1 or 2, such as FDD
It is 2 under pattern, and is 1 in special subframe of the tdd mode comprising DwPTS/GP/UpPTS.If
That what is held is the TTI of 1OFDM symbol lengths, then the span of N_tti will be bigger.Further,
N_tti can also be included in the Paging message less than 1 millisecond of TTI of SIB message, by network
Side is determined according to TTI information, it is likely that the value of the N_tti configured in SIB message is more than actual
The number of the TTI that can be carried in some subframe, is now defined by the actual TTI numbers that can be carried.
After determining j_tti, specific paging can be obtained by according to the mapping table of j_tti and TTI
It is used for the numbering of the TTI of the UE pagings in frame, wherein TTI numberings are all TTI in a subframe
Successively from 0 numbering for starting.Such as TTI=0.5ms, TTI is numbered as shown in fig. 6, and now
If it is 1 that the corresponding TTI numberings of j_tti=0 are the corresponding TTI numberings of 0, j_tti=1, if now calculated
Go out j_tti=1, then it represents that numbering be 1 TTI as the UE Paging positions.
Embodiment two：UE is indicated for the TTI less than 1 millisecond by Attach or TAU processes
Paging UE Specific DRX Parameter, in SIB message, configuration is less than 1 millisecond of TTI
Paging special parameters.
Signaling process schematic diagrams of the Fig. 7 for the present embodiment.
The broadcast less than 1 millisecond in the system message (SIB, System Information Block)
The Paging information (including Paging Cycle, nB, and corresponding TTI information) of TTI and legacy
Paging information (the Paging information before 13 versions of 3Gpp release).
201：UE is by adhering to (Attach) or tracing section updating (TAU, Tracking Area Update)
Process reports the UE Specific DRX Parameter of the Paging for the TTI less than 1 millisecond to use
In the Paging using the TTI less than 1 millisecond is indicated, including Paging Cycle information, also may be used
With the TTI information of the PDSCH including corresponding transmission Paging message.
202：Attach or TAU processes in by step 201 cause network side eNodeB to obtain
After knowing that UE is needed using the Paging less than 1 millisecond of TTI, while also carrying in SIB message
In the case of Paging information less than 1 millisecond of TTI, UE and eNodeB is according in embodiment one
Determine that the method for Paging positions obtains the radio frames (PF) and sub-frame information that UE can monitor Paging
(PO), and final monitoring Paging TTI position.Note：It is now used in calculating process
Paging cycle be SIB message in the Paging information less than 1 millisecond of TTI inside Paging
The UE Specific DRX of the Paging for the TTI less than 1 millisecond that Cycle and UE are reported
The smaller value of the Paging cycle in Parameter.In calculating process, nB used is less than 1 millisecond
TTI Paging information inside nB.
Embodiment three：UE is indicated for the TTI less than 1 millisecond by Attach or TAU processes
Paging UE Specific DRX Parameter, the TTI less than 1 millisecond is not differentiated between in SIB message
Paging and legacy UE Paging relevant parameters.
Signaling process schematic diagrams of the Fig. 8 for the present embodiment.
The broadcast in system message (SIB, System Information Block) is supported less than 1 millisecond
TTI Paging information (simply one instruction, if the Paging of various TTI for being less than 1 millisecond,
Then need additional TTI to distinguish the Paging of the TTI less than 1 millisecond of support) and legacy Paging
Information (the Paging information before 13 versions of 3Gpp release).
301：UE is by adhering to (Attach) or tracing section updating (TAU, Tracking Area Update)
Process reports the UE Specific DRX Parameter of the Paging for the TTI less than 1 millisecond to use
In the Paging using the TTI less than 1 millisecond is indicated, including Paging Cycle information, also may be used
With the TTI information of the PDSCH including corresponding transmission Paging message.
302：Attach or TAU processes in by step 301 cause network side eNodeB to obtain
After knowing that UE is needed using the Paging less than 1 millisecond of TTI, while also carrying in SIB message
In the case of Paging information less than 1 millisecond of TTI, UE and eNodeB is according in embodiment one
Determine that the method for Paging positions obtains the radio frames (PF) and sub-frame information that UE can monitor Paging
(PO), and final monitoring Paging TTI position.Note：It is now used in calculating process
Paging cycle be SIB message in legacy Paging information inside default Paging Cycle
The UE Specific DRX Parameter of the Paging for the TTI less than 1 millisecond reported with UE
In Paging cycle smaller value.In calculating process, nB used is taken network side and is sent out by broadcast
Give the nB in the legacy Paging information of UE.
Example IV：UE is only sent using the TTI less than 1 millisecond by Attach or TAU processes
Paging instruction, and calculate Paging using the Paging special parameters less than 1 millisecond of TTI
Position.
Signaling process schematic diagrams of the Fig. 9 for the present embodiment.
The broadcast less than 1 millisecond in the system message (SIB, System Information Block)
The Paging information (including Paging Cycle, nB, and the information such as corresponding TTI) of TTI and legacy
Paging information (the Paging information before 13 versions of 3Gpp release).
401：UE is by adhering to (Attach) or tracing section updating (TAU, Tracking Area Update)
Process reports the instruction of the Paging using the TTI less than 1 millisecond, if system supports multiple differences
The Paging of the TTI less than 1 millisecond of TTI length, then need to carry specific TTI instructions to know
The specifically Paging of which kind of TTI less than 1 millisecond not being desirable for.
402：Attach or TAU processes in by step 401 cause network side eNodeB to obtain
After knowing that UE is needed using the Paging less than 1 millisecond of TTI, while also carrying in SIB message
In the case of Paging information less than 1 millisecond of TTI, UE and eNodeB is according in embodiment one
Determine that the method for Paging positions obtains the radio frames (PF) and sub-frame information that UE can monitor Paging
(PO), and final monitoring Paging TTI position.Note：It is now used in calculating process
Paging cycle be SIB message in the Paging information less than 1 millisecond of TTI inside Paging
Cycle.In calculating process nB used take network side by broadcast be sent to UE less than 1 milli
NB inside the Paging information of the TTI of second.
Embodiment five：UE is only sent using the TTI less than 1 millisecond by Attach or TAU processes
Paging instruction, Paging the and legacy UE of the TTI less than 1 millisecond are not differentiated between in SIB message
Paging relevant parameters.
Signaling process schematic diagrams of the Figure 10 for the present embodiment.
The broadcast less than 1 millisecond in the system message (SIB, System Information Block)
TTI Paging information (simply one instruction, if the Paging of various TTI for being less than 1 millisecond,
Then need additional TTI to distinguish the Paging of the TTI less than 1 millisecond of support) and legacy Paging
Information (the Paging information before 13 versions of 3Gpp release).
501：UE is by adhering to (Attach) or tracing section updating (TAU, Tracking Area Update)
Process reports the instruction of the Paging using the TTI less than 1 millisecond, if system supports multiple differences
The Paging of the TTI less than 1 millisecond of TTI length, then need to carry specific TTI instructions to know
The specifically Paging of which kind of TTI less than 1 millisecond not being desirable for.
502：Attach or TAU processes in by step 501 cause network side eNodeB to obtain
After knowing that UE is needed using the Paging less than 1 millisecond of TTI, while also carrying in SIB message
In the case of the Paging information of the corresponding TTI for being less than 1 millisecond, UE and eNodeB is according to enforcement
Determine in example one that the method for Paging positions obtains the radio frames (PF) and son that UE can monitor Paging
Frame information (PO), and the position of the TTI of final monitoring Paging.Note：Now calculate PF and
Paging cycle used by PO are the default inside the legacy Paging information in SIB message
Paging Cycle.In calculating process, nB used takes network side and is sent to UE's by broadcast
NB in legacy Paging information.
Embodiment six：UE is only sent using the TTI less than 1 millisecond by Attach or TAU processes
Paging instruction, while in SIB include Short TTI when can be used for Paging TTI bitmap
(bitmap), and other less than 1 millisecond of TTI Paging special parameters.
Signaling process schematic diagrams of the Figure 11 for the present embodiment.
The broadcast less than 1 millisecond in the system message (SIB, System Information Block)
The Paging information of TTI (includes Paging Cycle, nB, and corresponding TTI length, can be used for
Bitmap information of the TTI of Paging etc.) and legacy Paging information (13 versions of 3Gpp release
Paging information before).
601：UE is by adhering to (Attach) or tracing section updating (TAU, Tracking Area Update)
Process reports the instruction of the Paging using the TTI less than 1 millisecond, if system supports multiple differences
The Paging of the TTI less than 1 millisecond of TTI length, then need to carry specific TTI instructions to know
The specifically Paging of which kind of TTI less than 1 millisecond not being desirable for.
602：Attach or TAU processes in by step 601 cause network side eNodeB to obtain
After knowing that UE is needed using the Paging less than 1 millisecond of TTI, while also carrying in SIB message
In the case of Paging information less than 1 millisecond of TTI, UE and eNodeB is true according to following method
Surely monitor the position of Paging message：
First, UE is obtained according to the method for determination Paging positions in embodiment one and can monitors Paging
Radio frames (PF) and sub-frame information (PO).Note：Paging cycle used by PF and PO are calculated now
The Paging Cycle inside the Paging information less than 1 millisecond of TTI in for SIB message.
It is used for the position of Paging in a radio frames it is then possible to determine according to following principle：
J_tti=floor [UE_ID/ (N*Ns)] mod N_tti
Wherein,
J_tti represents the numbering of the TTI for Paging in a subframe, and span is 0～N_tti-1；
N_tti is the TTI numbers that can be used for Paging in a subframe, available according to what is indicated in SIB
In Paging TTI Bitmap information obtaining, such as when TTI=1 OFDM symbol, such as
The really Bitmap=0001010 0000111, then it represents that the 3rd, 5,11,12,13 in a subframe
Number TTI can be used for Paging, now N_tti=5.
ID (Identity) number, UE_ID=IMSI mod 1024 of the UE_ID for UE.
N is to can be used for the radio frames of Paging in the Paging cycles, N=min (T, nB), and T is Paging
cycle.NB takes the Paging that network side is sent to the TTI less than 1 millisecond of UE by broadcast
NB inside information, its span nB:4T,2T,T,T/2,T/4,T/8,T/16,T/32.
Ns is the number of sub frames that can be used for Paging in a radio frames, Ns=max (1, nB/T).
Finally, after determining j_tti, further according to the Bitmap of the TTI that can be used for Paging in a subframe
Information, it is possible to obtain the specific Paging positions of the UE, if such as in Bitmap=0001010
When 0000111, the j_tti=0 of certain UE is calculated, then numbering in paging subframe (PF and PO to determine)
TTI for 3 can be used for the UE pagings.Wherein TTI numberings be all TTI in a subframe successively
From 0 numbering for starting.
Embodiment seven：Whether used less than 1 millisecond of TTI come decision-making according to UE abilities and eNodeB abilities
Paging, determine Paging positions using two steps
Flow chart (Fig. 5) of the signaling process schematic diagram of the present embodiment with embodiment one.
701：Adhere to (Attach) process or tracing section updating (TAU, Tracking Area in UE
Update know whether UE is supported less than 1 millisecond by UE Capability Enquiry inquiries during)
TTI Paging abilities；
702：In UE reception system message (SIB, System Information Block), broadcast is less than
The Paging information and legacy Paging information of 1 millisecond of TTI.
703：If network side finds that UE abilities do not support the Paging abilities of the TTI less than 1 millisecond,
Or if there is no the Paging information of the TTI less than 1 millisecond in the SIB message that receives of UE, then
UE and eNodeB adopt legacy Paging Parameters to determine the position for monitoring Paging message.
Otherwise UE and eNodeB determine the position for monitoring Paging message according to following method：
Step 1, obtains UE according to the method for determination Paging positions in embodiment one and can monitor Paging
Radio frames (PF).Note：If less than carrying default in the Paging message of 1 millisecond of TTI
Paging Cycle and nB, then UE legacy Paging can otherwise be used according to the two parameter determinations PF
Obtain default Paging Cycle and nB to determine PF in information.
Step 2, can determine the position for being used for Paging in a radio frames according to following principle：
I_tti=floor (UE_ID/N) mod Ntti
Wherein,
The position indication information of descending TTIs of the i_tti to be used for Paging in radio frames, i_tti and nothing
The TTI that can be used for Paging in line frame has the corresponding relation of determination.Can be used for the TTI of Paging with TTI
Numbering embodying, TTI numberings be in a radio frames all TTI successively from 0 numbering for starting.
ID (Identity) number, UE_ID=IMSI mod 1024 of the UE_ID for UE.
N is to can be used for the radio frames of Paging in the Paging cycles, N=min (T, nB), and T is Paging
Cycle.NB is sent to UE by broadcast by network side, its span nB:4T,2T,T,T/2,
T/4,T/8,T/16,T/32。
Ntti is the TTI numbers in a paging radio frames (PF) for paging.Can be according to the length of TTI
Spend to determine.If that what is supported is the Paging of 0.5ms TTI, in a radio frames, there are 20 TTI,
The span of N_tti be 1～20. further, N_tti can also be included in SIB message less than 1
In the Paging message of the TTI of millisecond, configured by network side foundation TTI information, such as directly configured
Ntti is 10.Ntti can also be for whether indicating corresponding TTI for passing according to network side configuration
The bitmap (bitmap) of the TTI of defeated Paging knowing, when such as TTI is 0.5ms, as the bitmap
Corresponding TTI is represented whether for transmitting Paging for 01000000010100010101,1, then now
Ntti=6.
Ns is the number of sub frames that can be used for Paging in a radio frames, Ns=max (1, nB/T).
After determining i_tti, specific radio frames can be obtained by according to the mapping table of i_tti and TTI
In for the UE pagings TTI numbering, wherein TTI numberings are all TTI in a radio frames
Successively from 0 numbering for starting.During such as TTI=0.5ms, as shown in figure 12, first in radio frames
The corresponding TTI numberings of first TTI in individual subframe are 0, and the 2nd TTI in the 5th subframe
Corresponding TTI numberings are 9, if the TTI numberings for obtaining of tabling look-up after now calculating i_tti are 9, table
Show the 2nd TTI in the 5th subframe as the Paging positions of the UE.Or if calculate i_tti
The TTI numberings for obtaining of tabling look-up afterwards are 0 and 9, then it represents that first TTI and the 5th in the 1st subframe
The 2nd TTI in individual subframe can serve as the Paging positions of the UE.
Although disclosed embodiment is as above, its content is only to facilitate understand the present invention
Technical scheme and the embodiment that adopts, be not intended to limit the present invention.Technology belonging to any present invention
Technical staff in field, on the premise of without departing from disclosed core technology scheme, can be with
Any modification and change, but the protection domain limited by the present invention are made in the form and details implemented, still
The scope that must be limited by appending claims is defined.
Claims (31)
1. it is a kind of reduce beep-page message Transmission Time Interval method, it is characterised in that include：
The beep-page message that network equipment sends is monitored with scheduled transmission time interval TTI；
It is determined that monitoring the position of the beep-page message TTI, the predetermined TTI is less than 1 millisecond.
2. the method for claim 1, it is characterised in that：It is determined that monitoring the beep-page message TTI
Position include：
The beep-page message according to listening to determines paging radio frames；
Paging subframe position is determined in the paging radio frames；
The position for monitoring the beep-page message TTI is determined in the paging subframe.
3. the method for claim 1, it is characterised in that：It is determined that monitoring the beep-page message TTI
Position include：
The beep-page message according to listening to determines paging radio frames；
The position for monitoring the beep-page message TTI is determined in the paging radio frames.
4. the method for claim 1, it is characterised in that：The predetermined TTI is included with purgation
One：The time span of 1 orthogonal frequency division multiplex OFDM symbol, the time span of 2 OFDM symbols,
The time span of 3 OFDM symbols, the time span of 4 OFDM symbols, 5 OFDM symbols
Time span, the time span of 6 OFDM symbols, the time span of 7 OFDM symbols, 0.5
Millisecond, 1 time slot.
5. method as claimed in claim 2 or claim 3, it is characterised in that according to the paging for listening to
Message determines that paging radio frames include：
According to user terminal UE mark id number, monitor beep-page message paging radio frames cycle and
The number of the radio frames in one paging wireless frame period for paging determines paging radio frames.
6. method as claimed in claim 5, it is characterised in that according to the beep-page message for listening to
Determine that paging radio frames include：
The system frame number SFN for meeting equation below is defined as into paging radio frames：
SFN mod T=(T div N) * (UE_ID mod N)
Wherein, T is the cycle of the paging radio frames for monitoring beep-page message, in units of radio frames；UE_ID
For No. ID of UE, UE_ID=IMSI mod 1024, IMSI are international mobile subscriber identity；N
The number of the radio frames to be used for paging in a paging wireless frame period；Mod represents remainder, div tables
Show and divide exactly.
7. method as claimed in claim 2, it is characterised in that determine in the paging radio frames and seek
Subframe position is exhaled to include：
It is used for the nothing of paging in mark id number, a paging wireless frame period according to user terminal UE
The number for being used for paging subframe in the number of line frame and a paging radio frames determines paging subframe position.
8. method as claimed in claim 7, it is characterised in that：Determine in the paging radio frames and seek
Subframe position is exhaled to include：
The position indication information of paging subframe is determined according to equation below：
I_s=floor (UE_ID/N) mod Ns
Wherein, i_s is the position indication information for paging subframe, and UE_ID is No. ID of UE,
UE_ID=IMSI mod 1024, IMSI are international mobile subscriber identity, and N is a paging radio frames
It is used for the number of the radio frames of paging in cycle；Ns be in a paging radio frames for paging subframe
Number, mod represent remainder, and floor is represented；
According to the position indication information and the corresponding relation of paging subframe position of paging subframe, paging is determined
Frame position.
9. method as claimed in claim 2, it is characterised in that：Determine in the paging subframe and monitor
The position of the beep-page message TTI includes：
It is used for the nothing of paging in mark id number, a paging wireless frame period according to user terminal UE
It is used for being used in the number and a paging subframe of paging subframe in the number of line frame, a paging radio frames
The TTI numbers of paging determine the position of the beep-page message TTI.
10. method as claimed in claim 9, it is characterised in that：Prison is determined in the paging subframe
The position of the beep-page message TTI is listened to include：
The position indication information of the TTI for being used for paging in paging subframe is determined according to equation below：
J_tti=floor [UE_ID/ (N*Ns)] mod N_tti
Wherein, j_tti is the position indication information of the TTI in paging subframe for paging, and UE_ID is
No. ID of UE, UE_ID=IMSI mod 1024, IMSI are international mobile subscriber identity, and N is
It is used for the number of the radio frames of paging in one paging wireless frame period；Ns be a paging radio frames in use
In the number of paging subframe, N_tti is the TTI numbers in a paging subframe for paging, and mod is represented
Remainder, floor are represented；
According to position indication information and the position of beep-page message TTI of the TTI for being used for paging in paging subframe
Corresponding relation, determine the position of beep-page message TTI.
11. methods as claimed in claim 3, it is characterised in that：Determine in the paging radio frames
The position for monitoring the beep-page message TTI includes：
It is used for the nothing of paging in mark id number, a paging wireless frame period according to user terminal UE
The TTI numbers for being used for paging in the number of line frame and a paging radio frames determine.
12. methods as claimed in claim 11, it is characterised in that：Determine in the paging radio frames
The position for monitoring the beep-page message TTI includes：
The position indication information of the TTI for being used for paging in radio frames is determined according to equation below：
I_tti=floor (UE_ID/N) mod Ntti
Wherein, the position indication information of TTIs of the i_tti to be used for paging in radio frames, UE_ID is UE
No. ID, UE_ID=IMSI mod 1024, IMSI are international mobile subscriber identity, and N is one
In paging wireless frame period for paging radio frames number, Ntti is to be used in a paging radio frames
The TTI numbers of paging, mod represent remainder, and floor is represented；
According to position indication information and the position of beep-page message TTI of the TTI for being used for paging in radio frames
Corresponding relation, determines the position of beep-page message TTI.
13. the method for claim 1, it is characterised in that：Also include before methods described：
Determine whether the UE and/or network equipment support the ability of predetermined TTI.
14. methods as claimed in claim 13, it is characterised in that determine whether the UE supports pre-
The ability for determining TTI includes：
Inquire about the UE attaching process or tracing section updating process determines whether the UE supports to make a reservation for
The monitoring ability of TTI.
15. methods as claimed in claim 13, it is characterised in that：Whether determine the network equipment
Support that the monitoring ability of predetermined TTI includes：
By in system information broadcast SIB message, whether the paging information comprising predetermined TTI determines the net
Whether network side apparatus support the paging capability of predetermined TTI.
16. the method for claim 1, it is characterised in that：Also include before methods described：
Triggering the network equipment uses the predetermined TTI to send beep-page message.
A kind of 17. devices for reducing beep-page message Transmission Time Interval, it is characterised in that：Including：
Module is monitored, the paging for network equipment transmission is monitored with scheduled transmission time interval TTI disappears
Breath；
Paging module, for determining the position for monitoring the beep-page message TTI, the predetermined TTI is less than
1 millisecond.
18. devices as claimed in claim 17, it is characterised in that：The paging module includes：
First radio frame unit, for determining paging radio frames according to the beep-page message for listening to；
Subframe unit, for paging subframe position is determined in the paging radio frames；
First paging position unit, monitors the beep-page message TTI for determining in the paging subframe
Position.
19. devices as claimed in claim 17, it is characterised in that：The paging module includes：
Second radio frame unit, for determining paging radio frames according to the beep-page message for listening to；
Second paging position unit, monitors the beep-page message for determining in the paging radio frames
The position of TTI.
20. devices as described in claim 18 or 19, it is characterised in that the first radio frames list
Unit according to the beep-page message that listens to determine paging radio frames or second radio frame unit according to
The beep-page message for listening to determines that paging radio frames are referred to：
According to user terminal UE mark id number, monitor beep-page message paging radio frames cycle and
The number of the radio frames in one paging wireless frame period for paging determines paging radio frames.
21. devices as claimed in claim 20, it is characterised in that first radio frame unit according to
The beep-page message for listening to determines paging radio frames or second radio frame unit according to listening to
The beep-page message determine that paging radio frames are referred to：
The system frame number SFN for meeting equation below is defined as into paging radio frames：
SFN mod T=(T div N) * (UE_ID mod N)
Wherein, T is the cycle of the paging radio frames for monitoring beep-page message, in units of radio frames；UE_ID
For No. ID of UE, UE_ID=IMSI mod 1024, IMSI are international mobile subscriber identity；N
The number of the radio frames to be used for paging in a paging wireless frame period；Mod represents remainder, div tables
Show and divide exactly.
22. devices as claimed in claim 18, it is characterised in that the subframe unit is in the paging
Determine in radio frames that paging subframe position is referred to：
It is used for the nothing of paging in mark id number, a paging wireless frame period according to user terminal UE
The number for being used for paging subframe in the number of line frame and a paging radio frames determines paging subframe position.
23. devices as claimed in claim 22, it is characterised in that：The subframe unit is in the paging
Determine in radio frames that paging subframe position is referred to：
The position indication information of paging subframe is determined according to equation below：
I_s=floor (UE_ID/N) mod Ns
Wherein, i_s is the position indication information for paging subframe, and UE_ID is No. ID of UE,
UE_ID=IMSI mod 1024, IMSI are international mobile subscriber identity, and N is a paging radio frames
It is used for the number of the radio frames of paging in cycle；Ns be in a paging radio frames for paging subframe
Number, mod represent remainder, and floor is represented；
According to the position indication information and the corresponding relation of paging subframe position of paging subframe, paging is determined
Frame position.
24. devices as claimed in claim 18, it is characterised in that：The first paging position unit exists
Determine in the paging subframe that the position for monitoring the beep-page message TTI refers to：
It is used for the nothing of paging in mark id number, a paging wireless frame period according to user terminal UE
It is used for being used in the number and a paging subframe of paging subframe in the number of line frame, a paging radio frames
The TTI numbers of paging determine the position of the beep-page message TTI.
25. devices as claimed in claim 24, it is characterised in that：The first paging position unit exists
Determine in the paging subframe that the position for monitoring the beep-page message TTI refers to：
The position indication information of the TTI for being used for paging in paging subframe is determined according to equation below：
J_tti=floor [UE_ID/ (N*Ns)] mod N_tti
Wherein, j_tti is the position indication information of the TTI in paging subframe for paging, and UE_ID is
No. ID of UE, UE_ID=IMSI mod 1024, IMSI are international mobile subscriber identity, and N is
It is used for the number of the radio frames of paging in one paging wireless frame period；Ns be a paging radio frames in use
In the number of paging subframe, N_tti is the TTI numbers in a paging subframe for paging, and mod is represented
Remainder, floor are represented；
According to position indication information and the position of beep-page message TTI of the TTI for being used for paging in paging subframe
Corresponding relation, determine the position of beep-page message TTI.
26. devices as claimed in claim 19, it is characterised in that：The second paging position unit exists
Determine in the paging radio frames that the position for monitoring the beep-page message TTI refers to：
It is used for the nothing of paging in mark id number, a paging wireless frame period according to user terminal UE
The TTI numbers for being used for paging in the number of line frame and a paging radio frames determine.
27. devices as claimed in claim 26, it is characterised in that：The second paging position unit exists
Determine in the paging radio frames that the position for monitoring the beep-page message TTI refers to：
The position indication information of the TTI for being used for paging in radio frames is determined according to equation below：
I_tti=floor (UE_ID/N) mod Ntti
Wherein, the position indication information of TTIs of the i_tti to be used for paging in radio frames, UE_ID is UE
No. ID, UE_ID=IMSI mod 1024, IMSI are international mobile subscriber identity, and N is one
In paging wireless frame period for paging radio frames number, Ntti is to be used in a paging radio frames
The TTI numbers of paging, mod represent remainder, and floor is represented；
According to position indication information and the position of beep-page message TTI of the TTI for being used for paging in radio frames
Corresponding relation, determines the position of beep-page message TTI.
28. devices as claimed in claim 17, it is characterised in that：Also include：
Ability module, for determining whether the UE and/or network equipment support the ability of predetermined TTI.
29. devices as claimed in claim 28, it is characterised in that the ability module determines described
Whether UE supports that the ability of predetermined TTI is referred to：
Inquire about the UE attaching process or tracing section updating process determines whether the UE supports to make a reservation for
The monitoring ability of TTI.
30. devices as claimed in claim 28, it is characterised in that：The ability module determines the net
Whether network side apparatus support that the monitoring ability of predetermined TTI is referred to：
By in system information broadcast SIB message, whether the paging information comprising predetermined TTI determines the net
Whether network side apparatus support the paging capability of predetermined TTI.
31. devices as claimed in claim 17, it is characterised in that：Also include：
Trigger module, uses the predetermined TTI to send beep-page message for triggering the network equipment.
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| CN201510595713.1A CN106550435A (en) | 2015-09-17 | 2015-09-17 | A kind of method and apparatus for reducing beep-page message Transmission Time Interval |
| PCT/CN2016/078583 WO2016180106A1 (en) | 2015-09-17 | 2016-04-06 | Method and apparatus for reducing transmission time interval of paging messages |
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