CN109429342A - Resource Semi-static scheduling method, apparatus and system for VoLTE business - Google Patents
Resource Semi-static scheduling method, apparatus and system for VoLTE business Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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Abstract
The invention discloses a kind of resource Semi-static scheduling method, device and VoLTE system for VoLTE business, method therein includes: that network side equipment carries the uplink SPS sub-frame number parameter for being used to indicate the uplink SPS number of sub-frames used within the uplink SPS period, the downlink SPS sub-frame number parameter for being used to indicate the downlink SPS number of sub-frames used within the downlink SPS period to the SPS configuration information that user equipment (UE) is sent；UE determines the SPS number of sub-frames called within the uplink SPS period and in the downlink SPS period based on uplink SPS sub-frame number parameter and downlink SPS sub-frame number parameter.Method, apparatus and VoLTE system of the invention can make UE dispatch multiple uplink SPS subframes and downlink SPS subframe within the SPS period, promote the covering power of VoLTE network when enabling SPS, can be applied to cell edge, promote the network capacity of VoLTE.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of resource Semi-static scheduling method for VoLTE business,
Device and VoLTE system.
Background technique
VoLTE (Voice over Long Term Evolution, be carried on the voice service of LTE network) business is small
Packet real-time service, PDCCH (Physical Downlink Control Channel, physical down control to LTE network
Channel) resource consumption maximum, SPS (Semi-Persistent Scheduling, semi-persistent scheduling) technology is to reduce PDCCH money
The key technology of source consumption.SPS configures the period by RRC signaling, is activated by PDCCH.3GPP agreement regulation, works in SPS
UE under state, each cycle only have 1 sub-frame of uplink or downlink subframe.Now net actual measurement discovery, Cell Edge User provide PDCCH
The consumption in source is that cell is close, several times of midpoint user, and the minimum value in SPS uplink and downlink period is 10ms, when VoLTE user exists
When cell edge, each speech frame (20ms) needs multiple TTI (being far longer than 2 (1*20/10)) that can just be sent completely.Cause
This, according to current agreement, VoLTE user can not use SPS mode in cell edge, can not substantially save PDCCH resource, be promoted
Network capacity.
Summary of the invention
In view of this, the invention solves a technical problem to be to provide a kind of resource half for VoLTE business quiet
State dispatching method, device and VoLTE system.
According to an aspect of the present invention, a kind of resource Semi-static scheduling method for VoLTE business is provided, comprising:
Network side equipment sends semi-persistent scheduling SPS configuration information to user equipment (UE)；Wherein, the SPS configuration information carries useful
In instruction used within the uplink SPS period uplink SPS number of sub-frames uplink SPS sub-frame number parameter, be used to indicate under
The downlink SPS sub-frame number parameter for the downlink SPS number of sub-frames that row uses in the SPS period；The UE receives the SPS configuration
Information is determined within the uplink SPS period based on the uplink SPS sub-frame number parameter and the downlink SPS sub-frame number parameter
With the SPS number of sub-frames called in the downlink SPS period.
Optionally, the network side equipment receives the channel quality indicator (CQI) that the UE is sent, and is matched according to the CQI
Set the downlink SPS sub-frame number parameter；The network side equipment, which configures the uplink SPS sub-frame number according to path loss situation, joins
Number.
Optionally, it includes: the net that the network side equipment, which sends semi-persistent scheduling SPS configuration information to user equipment (UE),
Network side apparatus sends radio resource control RRC signaling to the UE, wherein the letter for configurating downlink SPS in RRC signaling
Cease element S PS-ConfigDL and for increasing separately the downlink in the information element SPS-ConfigUL of collocating uplink SPS
SPS sub-frame number parameter and the uplink SPS sub-frame number parameter；Or, the network side equipment sends downlink control to the UE
Information DCI processed, wherein the DCI carries the downlink SPS sub-frame number parameter and the uplink SPS sub-frame number parameter.
Optionally, the UE is used within the uplink SPS period based on downlink SPS sub-frame number parameter determination
The quantity NOSF1 of downlink SPS subframe is multiple；The UE is determined based on the uplink SPS sub-frame number parameter in the uplink
The quantity NOSF2 of the uplink SPS subframe used in the SPS period is multiple.
Optionally, the UE is determined based on semiPersistSchedIntervalDL, the NOSF1 between descending scheduling
The position of downlink SPS subframe in the downlink SPS period；The UE is based on uplink scheduling interval
SemiPersistSchedIntervalUL, the NOSF2 determine the position of the uplink SPS subframe within the uplink SPS period
It sets.
Optionally, UE is determined based on descending scheduling interval semiPersistSchedIntervalDL, the NOSF1 in institute
The position for stating the downlink SPS subframe in the downlink SPS period includes: that the UE distributes NOSF1+1 within each downlink SPS period
Downlink SPS subframe；If downlink SPS subframe is arranged in FLOOR (semiPersistSchedIntervalDL/NOSF1)=0
Position are as follows:
(10×SFN+subframe)-[(10×SFNstarttime+subframestarttime)+N×
semiPersistSchedIntervalDL]modulo 10240+n；Wherein, n=0,1,2 ... NOSF1-1；
If FLOOR (semiPersistSchedIntervalDL/NOSF1) > 0, is arranged the position of downlink SPS subframe
Are as follows:
(10×SFN+subframe)-[(10×SFNstarttime+subframestarttime)+N×
semiPersistSchedIntervalDL]modulo 10240+n×FLOOR(semiPersistSchedIntervalDL/
NOSF1), wherein n=0,1,2 ... NOSF-1, SFN are radio frame number, and subframe is radio sub-frame number, SFNstarttime:
For the radio frame number of starting；Subframestartime is the radio sub-frame number of starting.
Optionally, UE is determined based on uplink scheduling interval semiPersistSchedIntervalUL, the NOSF2 in institute
The position for stating the uplink SPS subframe in the uplink SPS period includes: that the UE distributes NOSF2+1 within each uplink SPS period
Uplink SPS subframe；If uplink SPS subframe is arranged in FLOOR (semiPersistSchedIntervaluL/NOSF2)=1
Position are as follows:
10×SFN+subframe)-[(10×SFNstarttime+subframestarttime)+N×
semiPersistSchedIntervalUL+Su bframe_Offset×(N modulo 2)]modulo 10240+n；N=
0,1,2 ... NOSF2-1；
If FLOOR (semiPersistSchedIntervaluL/NOSF2) is greater than 0, uplink SPS subframe is set
Position are as follows:
10×SFN+subframe)-[(10×SFNstarttime+subframestarttime)+N×
semiPersistSchedIntervalUL+Su bframe_Offset×(N modulo 2)]modulo 10240+n×
FLOOR (semiPersistSchedIntervalUL/NOSF2), n=0,1,2 ... NOSF2-1, SFN are radio frame number,
Subframe is radio sub-frame number, and Subframe_Offset is the offset of subframe, SFNstarttime: for the radio frames of starting
Number；Subframestartime is the radio sub-frame number of starting.
According to another aspect of the present invention, a kind of resource semi-persistent scheduling device for VoLTE business is provided, comprising:
SPS configuration module is located in network side equipment, for sending semi-persistent scheduling SPS configuration information to user equipment (UE)；Wherein,
The SPS configuration information carries uplink SPS for being used to indicate the uplink SPS number of sub-frames used within the uplink SPS period
Number of frames parameter, the downlink SPS sub-frame number parameter for being used to indicate the downlink SPS number of sub-frames used within the downlink SPS period；
SPS subframe setup module is located in UE, for receiving the SPS configuration information, is based on the uplink SPS sub-frame number parameter
The SPS number of sub-frames called within the uplink SPS period and in the downlink SPS period is determined with the downlink SPS sub-frame number parameter.
Optionally, the SPS configuration module, the channel quality indicator (CQI) sent for receiving the UE, according to described
CQI configures the downlink SPS sub-frame number parameter；The uplink SPS sub-frame number parameter is configured according to path loss situation.
Optionally, the SPS configuration module, Xiang Suoshu UE send radio resource control RRC signaling, wherein in RRC signaling
In the information element SPS-ConfigDL for configurating downlink SPS and the information element SPS- for collocating uplink SPS
The downlink SPS sub-frame number parameter and the uplink SPS sub-frame number parameter are increased separately in ConfigUL；Or, to described
UE sends Downlink Control Information DCI, wherein the DCI carries the downlink SPS sub-frame number parameter and the uplink SPS
Sub-frame number parameter.
Optionally, the SPS subframe setup module is also used to determine based on the downlink SPS sub-frame number parameter in institute
It is multiple for stating the quantity NOSF1 of the downlink SPS subframe used in the uplink SPS period；Based on the uplink SPS sub-frame number parameter
Determine that the quantity NOSF2 of the uplink SPS subframe used within the uplink SPS period is multiple.
Optionally, the SPS subframe setup module, comprising: downlink subframe setting unit, for being based on descending scheduling interval
SemiPersistSchedIntervalDL, the NOSF1 determine the position of the downlink SPS subframe within the downlink SPS period
It sets；Sub-frame of uplink setting unit, for being based on uplink scheduling interval semiPersistSchedIntervalUL, the NOSF2
Determine the position of the uplink SPS subframe within the uplink SPS period.
Optionally, the downlink subframe setting unit, for distributing NOSF1+1 downlink within each downlink SPS period
SPS subframe；If FLOOR (semiPersistSchedIntervalDL/NOSF1)=0, is arranged the position of downlink SPS subframe
It is set to:
(10×SFN+subframe)-[(10×SFNstarttime+subframestarttime)+N×
semiPersistSchedIntervalDL]mo dulo 10240+n；Wherein, n=0,1,2 ... NOSF1-1；
If FLOOR (semiPersistSchedIntervalDL/NOSF1) > 0, is arranged the position of downlink SPS subframe
Are as follows:
(10×SFN+subframe)-[(10×SFNstarttime+subframestarttime)+N×
semiPersistSchedIntervalDL]modulo10240+n×FLOOR(semiPersistSchedIntervalDL/
NOSF1), wherein n=0,1,2 ... NOSF-1, SFN are radio frame number, and subframe is radio sub-frame number, SFNstarttime:
For the radio frame number of starting；Subframestartime is the radio sub-frame number of starting.
Optionally, the sub-frame of uplink setting unit, for distributing NOSF2+1 uplink within each uplink SPS period
SPS subframe；If FLOOR (semiPersistSchedIntervaluL/NOSF2)=1, is arranged the position of uplink SPS subframe
It is set to:
10×SFN+subframe)-[(10×SFNstarttime+subframestarttime)+N×
semiPersistSchedIntervalUL+Su bframe_Offset×(N modulo 2)]modulo 10240+n；N=
0,1,2 ... NOSF2-1；
If FLOOR (semiPersistSchedIntervaluL/NOSF2) is greater than 0, uplink SPS subframe is set
Position are as follows:
10×SFN+subframe)-[(10×SFNstarttime+subframestarttime)+N×
semiPersistSchedIntervalUL+Su bframe_Offset×(N modulo 2)]modulo 10240+n×
FLOOR (semiPersistSchedIntervalUL/NOSF2), n=0,1,2 ... NOSF2-1, SFN are radio frame number,
Subframe is radio sub-frame number, and Subframe_Offset is the offset of subframe, SFNstarttime: for the radio frames of starting
Number；Subframestartime is the radio sub-frame number of starting.
According to another aspect of the invention, a kind of VoLTE system is provided, comprising: as described above for VoLTE business
Resource semi-persistent scheduling device.
In accordance with a further aspect of the present invention, a kind of resource semi-persistent scheduling device for VoLTE business is provided, comprising:
Memory；And it is coupled to the processor of the memory, the processor is configured in the memory based on storage
Instruction, execute as described above be used for VoLTE business resource Semi-static scheduling method.
Resource Semi-static scheduling method, device and VoLTE system for VoLTE business of the invention, network side equipment
It is used to indicate to UE transmission in uplink, uplink SPS sub-frame number parameter, the downlink of the number of sub-frames used in the downlink SPS period
SPS sub-frame number parameter can make UE dispatch multiple uplink SPS subframes and downlink SPS subframe within the SPS period, promoted and enabled
The covering power of VoLTE network, can be applied to cell edge when SPS, reduce the consumption of PDCCH resource, promote the network of VoLTE
Capacity.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only
Some embodiments of the present invention, for those of ordinary skill in the art, without any creative labor, also
Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is the process of one embodiment of the resource Semi-static scheduling method according to the present invention for VoLTE business
Schematic diagram；
Fig. 2 is the stream of another embodiment of the resource Semi-static scheduling method according to the present invention for VoLTE business
Journey schematic diagram；
Fig. 3 is the module of one embodiment of the resource semi-persistent scheduling device according to the present invention for VoLTE business
Schematic diagram；
Fig. 4 is the mould of another embodiment of the resource semi-persistent scheduling device according to the present invention for VoLTE business
Block schematic diagram.
Specific embodiment
With reference to the accompanying drawings to invention is more fully described, wherein illustrating exemplary embodiment of the present invention.Under
Face will combine the attached drawing in the embodiment of the present invention, and technical scheme in the embodiment of the invention is clearly and completely described, show
So, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the reality in the present invention
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the scope of protection of the invention.
Fig. 1 is the process of one embodiment of the resource Semi-static scheduling method according to the present invention for VoLTE business
Schematic diagram, as shown in Figure 1:
Step 101, network side equipment sends semi-persistent scheduling SPS configuration information to user equipment (UE).
SPS configuration information carries the uplink for being used to indicate the uplink SPS number of sub-frames used within the uplink SPS period
SPS sub-frame number parameter, the downlink SPS sub-frame number for being used to indicate the downlink SPS number of sub-frames used within the downlink SPS period
Parameter can indicate the uplink SPS number of sub-frames that UE is used within the uplink SPS period, the downlink used within the downlink SPS period
SPS number of sub-frames is one or more.
Step 102, UE receives SPS configuration information, is based on uplink SPS sub-frame number parameter and downlink SPS sub-frame number
Parameter determines the SPS number of sub-frames called within the uplink SPS period and in the downlink SPS period.UE can be mobile phone, tablet computer
Deng.
In one embodiment, by calling multiple uplink and downlink subframes in each SPS period, when promoting enabling SPS
The covering power of VoLTE increases the probability that SPS function enables, and saves PDCCH resource, promotes VoLTE network capacity.For upper
Row SPS sub-frame number parameter and uplink and downlink SPS sub-frame number parameter, define NOSF_UL (Number of Subframe respectively
For UL) and NOSF_DL (Number of Subframe for DL), it is used to indicate available upper and lower subframe of every SPS period
Number, as shown in table 1 below:
The setting table of table 1- uplink SPS sub-frame number parameter and uplink and downlink SPS sub-frame number parameter
Fig. 2 is the stream of another embodiment of the resource Semi-static scheduling method according to the present invention for VoLTE business
Journey schematic diagram, as shown in Figure 2:
Step 201, network side equipment receives the channel quality indicator (CQI) of UE transmission, according to CQI configurating downlink SPS
Number of frames parameter (NOSF-DL), network side equipment is according to path loss situation collocating uplink SPS sub-frame number parameter (NOSF-UL).
Network side equipment can be according to wireless coverage environment configurations NOSF-DL and NOSF-UL.For example, can be reported according to UE
CQI configure NOSF-DL, according to path loss configure NOSF-UL.To guarantee in cell edge using SPS, in configuration NOSF-DL and
When NOSF-UL, network side can suitably reduce modulation coding scheme (Modulation Code Scheme, MCS), according to conservative
MCS configures NOSF-DL and NOSF-UL.
There are two the schemes for configuring NOSF-DL and NOSF-UL: 1, NOSF-UL and NOSF-DL is configured by RRC signaling,
SPS-ConfigDL and SPS-ConfigUL increases separately IE value NOSF-DL, NOSF-UL；2, sub-frame configuration is activated by SPS
NOSF-DL and NOSF-UL increases NOSF-DL and NOSF-UL field in DCI.
Step 202, network side equipment sends radio resource control RRC signaling to UE, is used under configuration in RRC signaling
The information element SPS-ConfigDL of row SPS and for being increased separately in the information element SPS-ConfigUL of collocating uplink SPS
Downlink SPS sub-frame number parameter (NOSF-DL) and uplink SPS sub-frame number parameter (NOSF-UL), alternatively, network side equipment to
UE sends Downlink Control Information DCI, and DCI carries downlink SPS sub-frame number parameter (NOSF-DL) and uplink SPS sub-frame number
Parameter (NOSF-UL).
After UE receives downlink SPS sub-frame number parameter (NOSF-DL) and uplink SPS sub-frame number parameter (NOSF-UL), root
It is determined every SPS weeks according to the instruction of downlink SPS sub-frame number parameter (NOSF-DL) and uplink SPS sub-frame number parameter (NOSF-UL)
The number of sub-frames of phase scheduling.For example, UE is based on downlink SPS sub-frame number parameter (NOSF-DL) and uplink SPS sub-frame number parameter
(NOSF-UL) it determines the quantity NOSF1 of the downlink SPS subframe used within the downlink SPS period and is used within the uplink SPS period
Uplink SPS subframe quantity NOSF2 be it is multiple.When the multiple subframes of each SPS periodic scheduling, in order to realize point in time domain
Diversity gain, subframe needed to be evenly distributed in the SPS period.
Step 203, UE is determined based on semiPersistSchedIntervalDL, NOSF1 between descending scheduling in downlink SPS
The position of downlink SPS subframe in period, UE are based on uplink scheduling interval semiPersistSchedIntervalUL, NOSF2
Determine the position of the uplink SPS subframe within the uplink SPS period.
SemiPersistSchedIntervalDL is carried in SPS-ConfigDL, is carried in SPS-ConfigUL
There is semiPersistSchedIntervalUL.
UE distributes NOSF1+1 downlink SPS subframe within each downlink SPS period.
If FLOOR (semiPersistSchedIntervalDL/NOSF1)=0, is arranged the position of downlink SPS subframe
It is set to:
(10×SFN+subframe)-[(10×SFNstarttime+subframestarttime)+N×
semiPersistSchedIntervalDL]modulo 10240+n；Wherein, n=0,1,2 ... NOSF1-1.
If FLOOR (semiPersistSchedIntervalDL/NOSF1) > 0, is arranged the position of downlink SPS subframe
Are as follows:
(10×SFN+subframe)-[(10×SFNstarttime+subframestarttime)+N×
semiPersistSchedIntervalDL]modulo 10240+n×FLOOR(semiPersistSchedIntervalDL/
NOSF1), wherein n=0,1,2 ... NOSF-1.SFN is radio frame number, and subframe is radio sub-frame number, SFNstarttime:
For the radio frame number of starting；Subframestartime is the radio sub-frame number of starting.N is the number of SPS, such as 5, it is exactly the
5 transmission SPS.
UE distributes NOSF2+1 uplink SPS subframe within each uplink SPS period.
If FLOOR (semiPersistSchedIntervaluL/NOSF2)=1, is arranged the position of uplink SPS subframe
It is set to:
10×SFN+subframe)-[(10×SFNstarttime+subframestarttime)+N×
semiPersistSchedIntervalUL+Subframe_Offset×(N modulo 2)]modulo 10240+n；N=0,
1,2 ... NOSF2-1；
If FLOOR (semiPersistSchedIntervaluL/NOSF2) is greater than 0, uplink SPS subframe is set
Position are as follows:
10×SFN+subframe)-[(10×SFNstarttime+subframestarttime)+N×
semiPersistSchedIntervalUL+Subframe_Offset×(N modulo 2)]modulo 10240+n×
FLOOR (semiPersistSchedIntervalUL/NOSF2), n=0,1,2 ... NOSF2-1, SFN are radio frame number,
Subframe is radio sub-frame number, and Subframe_Offset is the offset of subframe, SFNStarttime:For the radio frames of starting
Number；Subframestartime is the radio sub-frame number of starting.
Step 204, judge whether wireless coverage environment changes, if it is, entering step 201, reconfigure
NOSF, if it is not, then continuing to judge whether wireless coverage environment changes.
The resource Semi-static scheduling method for VoLTE business provided in above-described embodiment, network side equipment are sent out to UE
It send and is used to indicate in uplink, uplink SPS sub-frame number parameter, the downlink SPS subframe of the number of sub-frames used in the downlink SPS period
Number parameter, can UE dispatch multiple uplink SPS subframes and downlink SPS subframe within the SPS period, promote VoLTE when enabling SPS
The covering power of network can be applied to cell edge, and configuration mode is flexible, and operator is made to have balance PDCCH resource and PRB
The means of resource reduce the consumption of PDCCH resource, promote the network capacity of VoLTE.
In one embodiment, the present invention provides a kind of resource semi-persistent scheduling device for VoLTE business, including
SPS configuration module 31 and SPS subframe setup module 32.SPS configuration module 31 is located in network side equipment, sends out to user equipment (UE)
Semi-persistent scheduling SPS configuration information is sent, SPS configuration information carries the uplink SPS for being used to indicate and using within the uplink SPS period
The uplink SPS sub-frame number parameter of number of sub-frames is used to indicate the downlink SPS number of sub-frames used within the downlink SPS period
Downlink SPS sub-frame number parameter.SPS subframe setup module 32 is located in UE, receives SPS configuration information, is based on uplink SPS subframe
Number parameter and downlink SPS sub-frame number parameter determine the SPS subframe called within the uplink SPS period and in the downlink SPS period
Number.
SPS configuration module 31 receives the channel quality indicator (CQI) that UE is sent, and is joined according to CQI configurating downlink SPS sub-frame number
Number, according to path loss situation collocating uplink SPS sub-frame number parameter.SPS configuration module 31 sends radio resource control RRC letter to UE
It enables, the information element SPS-ConfigDL for configurating downlink SPS in RRC signaling and the information for collocating uplink SPS
Downlink SPS sub-frame number parameter and uplink SPS sub-frame number parameter are increased separately in element S PS-ConfigUL；Alternatively, SPS matches
It sets module 31 and sends Downlink Control Information DCI to UE, DCI carries downlink SPS sub-frame number parameter and uplink SPS sub-frame number
Parameter.
SPS subframe setup module 32 determines the downlink used within the uplink SPS period based on downlink SPS sub-frame number parameter
The quantity NOSF1 of SPS subframe is uplinks that are multiple, being used within the uplink SPS period based on the determination of uplink SPS sub-frame number parameter
The quantity NOSF2 of SPS subframe is multiple.
In one embodiment, SPS subframe setup module 32 includes: that downlink subframe setting unit 321 and sub-frame of uplink are set
Set unit 322.Downlink subframe setting unit 321 is based on descending scheduling interval semiPersistSchedIntervalDL, NOSF1
Determine the position of the downlink SPS subframe within the downlink SPS period.Sub-frame of uplink setting unit 322 is based on uplink scheduling interval
SemiPersistSchedIntervalUL, NOSF2 determine the position of the uplink SPS subframe within the uplink SPS period.
Downlink subframe setting unit 321 distributes NOSF1+1 downlink SPS subframe within each downlink SPS period, if
FLOOR (semiPersistSchedIntervalDL/NOSF1)=0, then downlink SPS is arranged in downlink subframe setting unit 321
The position of frame are as follows:
(10×SFN+subframe)-[(10×SFNstarttime+subframestarttime)+N×
semiPersistSchedIntervalDL]modulo 10240+n；Wherein, n=0,1,2 ... NOSF1-1.
If FLOOR (semiPersistSchedIntervalDL/NOSF1) > 0, downlink subframe setting unit 321 are set
Set the position of downlink SPS subframe are as follows:
(10×SFN+subframe)-[(10×SFNstarttime+subframestarttime)+N×
semiPersistSchedIntervalDL]modulo10240+n×FLOOR(semiPersistSchedIntervalDL/
NOSF1), wherein n=0,1,2 ... NOSF-1.
Sub-frame of uplink setting unit 322 distributes NOSF2+1 uplink SPS subframe within each uplink SPS period.If
FLOOR (semiPersistSchedIntervaluL/NOSF2)=1, then uplink SPS is arranged in sub-frame of uplink setting unit 322
The position of frame are as follows:
10×SFN+subframe)-[(10×SFNstarttime+subframestarttime)+N×
semiPersistSchedIntervalUL+Subframe_Offset×(N modulo 2)]modulo 10240+n；N=0,
1,2 ... NOSF2-1；
If FLOOR (semiPersistSchedIntervaluL/NOSF2) is greater than 0, sub-frame of uplink setting unit
The position of 322 setting uplink SPS subframes are as follows:
10×SFN+subframe)-[(10×SFNstarttime+subframestarttime)+N×
semiPersistSchedIntervalUL+Subframe_Offset×(N modulo 2)]modulo 10240+n×
FLOOR (semiPersistSchedIntervalUL/NOSF2), n=0,1,2 ... NOSF2-1, SFN are radio frame number,
Subframe is radio sub-frame number, and Subframe_Offset is the offset of subframe, SFNstarttime: for the radio frames of starting
Number；Subframestartime is the radio sub-frame number of starting.
In one embodiment, the present invention provides a kind of VoLTE system, including the resource for VoLTE business as above
Semi-persistent scheduling device.
Fig. 4 is the mould of another embodiment of the resource semi-persistent scheduling device according to the present invention for VoLTE business
Block schematic diagram.As shown in figure 4, the device may include memory 41, processor 42, communication interface 43 and bus 44.Memory
41 for storing instruction, and processor 42 is coupled to memory 41, and processor 42 is configured as the instruction stored based on memory 41
It executes and realizes the above-mentioned resource Semi-static scheduling method for VoLTE business.It is provided with and deposits on network side equipment and on UE
Reservoir 41, processor 42, communication interface 43 and bus 44.
Memory 41 can be high speed RAM memory, nonvolatile memory (NoN-volatile memory) etc., deposit
Reservoir 41 is also possible to memory array.Memory 41 is also possible to by piecemeal, and block can be combined into virtually by certain rule
Volume.Processor 42 can be central processor CPU or application-specific integrated circuit ASIC (ApplicatioN Specific
INtegrated Circuit), or be arranged to implement the resource semi-persistent scheduling side for VoLTE business of the invention
One or more integrated circuits of method.
The resource Semi-static scheduling method, device and VoLTE system for VoLTE business provided in above-described embodiment,
Network side equipment is used to indicate to UE transmission in uplink, the uplink SPS sub-frame number of the number of sub-frames used in the downlink SPS period
Parameter, downlink SPS sub-frame number parameter, can make UE dispatch multiple uplink SPS subframes and downlink SPS subframe within the SPS period,
The covering power for promoting VoLTE network when enabling SPS, can be applied to cell edge, configuration mode is flexible, has operator
The means for balancing PDCCH resource and PRB resource, reduce the consumption of PDCCH resource, promote the network capacity of VoLTE.
Method and system of the invention may be achieved in many ways.For example, can by software, hardware, firmware or
Software, hardware, firmware any combination realize method and system of the invention.The said sequence of the step of for method is only
In order to be illustrated, the step of method of the invention, is not limited to sequence described in detail above, especially says unless otherwise
It is bright.In addition, in some embodiments, also the present invention can be embodied as to record program in the recording medium, these programs include
For realizing machine readable instructions according to the method for the present invention.Thus, the present invention also covers storage for executing according to this hair
The recording medium of the program of bright method.
Description of the invention is given for the purpose of illustration and description, and is not exhaustively or will be of the invention
It is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.It selects and retouches
It states embodiment and is to more preferably illustrate the principle of the present invention and practical application, and those skilled in the art is enable to manage
The solution present invention is to design various embodiments suitable for specific applications with various modifications.
Claims (16)
1. a kind of resource Semi-static scheduling method for VoLTE business characterized by comprising
Network side equipment sends semi-persistent scheduling SPS configuration information to user equipment (UE)；Wherein, the SPS configuration information carries
There is the uplink SPS sub-frame number parameter for being used to indicate the uplink SPS number of sub-frames used within the uplink SPS period, be used to indicate
The downlink SPS sub-frame number parameter of the downlink SPS number of sub-frames used within the downlink SPS period；
The UE receives the SPS configuration information, is based on the uplink SPS sub-frame number parameter and the downlink SPS subframe
Number parameter determines the SPS number of sub-frames called within the uplink SPS period and in the downlink SPS period.
2. the method as described in claim 1 characterized by comprising
The network side equipment receives the channel quality indicator (CQI) that the UE is sent, and configures the downlink according to the CQI
SPS sub-frame number parameter；
The network side equipment configures the uplink SPS sub-frame number parameter according to path loss situation.
3. method according to claim 2, which is characterized in that the network side equipment sends semi-static tune to user equipment (UE)
Spending SPS configuration information includes:
The network side equipment sends radio resource control RRC signaling to the UE, wherein is used to configure in RRC signaling
The information element SPS-ConfigDL of downlink SPS and for increasing respectively in the information element SPS-ConfigUL of collocating uplink SPS
Add the downlink SPS sub-frame number parameter and the uplink SPS sub-frame number parameter；Or,
The network side equipment sends Downlink Control Information DCI to the UE, wherein the DCI carries downlink SPS
Number of frames parameter and the uplink SPS sub-frame number parameter.
4. method as claimed in claim 3, which is characterized in that
The UE determines the downlink SPS subframe used within the uplink SPS period based on the downlink SPS sub-frame number parameter
Quantity NOSF1 be it is multiple；The UE is determined based on the uplink SPS sub-frame number parameter to be made within the uplink SPS period
The quantity NOSF2 of uplink SPS subframe is multiple.
5. method as claimed in claim 4, which is characterized in that further include:
The UE is determined based on descending scheduling interval semiPersistSchedIntervalDL, the NOSF1 in the downlink
The position of downlink SPS subframe in the SPS period；
The UE is determined based on uplink scheduling interval semiPersistSchedIntervalUL, the NOSF2 in the uplink
The position of uplink SPS subframe in the SPS period.
6. method as claimed in claim 5, which is characterized in that the UE is based on descending scheduling interval
SemiPersistSchedIntervalDL, the NOSF1 determine the position of the downlink SPS subframe within the downlink SPS period
It sets and includes:
The UE distributes NOSF1+1 downlink SPS subframe within each downlink SPS period；
If FLOOR (semiPersistSchedIntervalDL/NOSF1)=0, is arranged the position of downlink SPS subframe are as follows:
(10×SFN+subframe)-[(10×SFNstarttime+subframestarttime)+N×
semiPersistSchedIntervalDL]mo dulo 10240+n；Wherein, n=0,1,2 ... NOSF1-1；
If FLOOR (semiPersistSchedIntervalDL/NOSF1) > 0, is arranged the position of downlink SPS subframe are as follows:
(10×SFN+subframe)-[(10×SFNstarttime+subframestarttime)+N×
semiPersistSchedIntervalDL]modulo 10240+n×FLOOR(semiPersistSchedIntervalDL/
NOSF1), wherein n=0,1,2 ... NOSF-1, SFN are radio frame number, and subframe is radio sub-frame number, SFNstarttime:
For the radio frame number of starting；Subframestartime is the radio sub-frame number of starting.
7. method as claimed in claim 5, which is characterized in that the UE is based on uplink scheduling interval
SemiPersistSchedIntervalUL, the NOSF2 determine the position of the uplink SPS subframe within the uplink SPS period
It sets and includes:
The UE distributes NOSF2+1 uplink SPS subframe within each uplink SPS period；
If FLOOR (semiPersistSchedIntervaluL/NOSF2)=1, is arranged the position of uplink SPS subframe are as follows:
10×SFN+subframe)-[(10×SFNstarttime+subframestarttime)+N×
semiPersistSchedIntervalUL+Su bframe_Offset×(N modulo 2)]modulo 10240+n；N=
0,1,2 ... NOSF2-1；
If FLOOR (semiPersistSchedIntervaluL/NOSF2) is greater than 0, the position of uplink SPS subframe is set
Are as follows:
10×SFN+subframe)-[(10×SFNstarttime+subframestarttime)+N×
semiPersistSchedIntervalUL+Su bframe_Offset×(N modulo 2)]modulo 10240+n×
FLOOR (semiPersistSchedIntervalUL/NOSF2), n=0,1,2 ... NOSF2-1, SFN are radio frame number,
Subframe is radio sub-frame number, and Subframe_Offset is the offset of subframe, SFNstarttime: for the radio frames of starting
Number；Subframestartime is the radio sub-frame number of starting.
8. a kind of resource semi-persistent scheduling device for VoLTE business characterized by comprising
SPS configuration module is located in network side equipment, for sending semi-persistent scheduling SPS configuration information to user equipment (UE)；Its
In, the SPS configuration information carries the uplink SPS for being used to indicate the uplink SPS number of sub-frames used within the uplink SPS period
Sub-frame number parameter, the downlink SPS sub-frame number ginseng for being used to indicate the downlink SPS number of sub-frames used within the downlink SPS period
Number；
SPS subframe setup module is located in UE, for receiving the SPS configuration information, is based on the uplink SPS sub-frame number
Parameter and the downlink SPS sub-frame number parameter determine the SPS subframe called within the uplink SPS period and in the downlink SPS period
Number.
9. device as claimed in claim 8, which is characterized in that
The SPS configuration module, the channel quality indicator (CQI) sent for receiving the UE, according to CQI configuration it is described under
Row SPS sub-frame number parameter；The uplink SPS sub-frame number parameter is configured according to path loss situation.
10. device as claimed in claim 9, which is characterized in that
The SPS configuration module, Xiang Suoshu UE send radio resource control RRC signaling, wherein are used to match in RRC signaling
Set the information element SPS-ConfigDL of downlink SPS and for distinguishing in the information element SPS-ConfigUL of collocating uplink SPS
Increase the downlink SPS sub-frame number parameter and the uplink SPS sub-frame number parameter；Or, sending downlink control to the UE
Information DCI, wherein the DCI carries the downlink SPS sub-frame number parameter and the uplink SPS sub-frame number parameter.
11. device as claimed in claim 10, which is characterized in that
The SPS subframe setup module is also used to determine based on the downlink SPS sub-frame number parameter at the uplink SPS weeks
The quantity NOSF1 of the downlink SPS subframe used in phase is multiple；It is determined based on the uplink SPS sub-frame number parameter described
The quantity NOSF2 for the uplink SPS subframe that uplink uses in the SPS period is multiple.
12. device as claimed in claim 11, which is characterized in that further include:
The SPS subframe setup module, comprising:
Downlink subframe setting unit, for being based on descending scheduling interval semiPersistSchedIntervalDL, the NOSF1
Determine the position of the downlink SPS subframe within the downlink SPS period；
Sub-frame of uplink setting unit, for being based on uplink scheduling interval semiPersistSchedIntervalUL, the NOSF2
Determine the position of the uplink SPS subframe within the uplink SPS period.
13. device as claimed in claim 12, which is characterized in that
The downlink subframe setting unit, for distributing NOSF1+1 downlink SPS subframe within each downlink SPS period；If
FLOOR (semiPersistSchedIntervalDL/NOSF1)=0, then be arranged the position of downlink SPS subframe are as follows:
(10×SFN+subframe)-[(10×SFNstarttime+subframestarttime)+N×
semiPersistSchedIntervalDL]mo dulo 10240+n；Wherein, n=0,1,2 ... NOSF1-1；
If FLOOR (semiPersistSchedIntervalDL/NOSF1) > 0, is arranged the position of downlink SPS subframe are as follows:
(10×SFN+subframe)-[(10×SFNstarttime+subframestarttime)+N×
semiPersistSchedIntervalDL]modulo10240+n×FLOOR(semiPersistSchedIntervalDL/
NOSF1), wherein n=0,1,2 ... NOSF-1, SFN are radio frame number, and subframe is radio sub-frame number, SFNstarttime:
For the radio frame number of starting；Subframestartime is the radio sub-frame number of starting.
14. device as claimed in claim 12, which is characterized in that
The sub-frame of uplink setting unit, for distributing NOSF2+1 uplink SPS subframe within each uplink SPS period；If
FLOOR (semiPersistSchedIntervaluL/NOSF2)=1, then be arranged the position of uplink SPS subframe are as follows:
10×SFN+subframe)-[(10×SFNstarttime+subframestarttime)+N×
semiPersistSchedIntervalUL+Su bframe_Offset×(N modulo 2)]modulo 10240+n；N=
0,1,2 ... NOSF2-1；
If FLOOR (semiPersistSchedIntervaluL/NOSF2) is greater than 0, the position of uplink SPS subframe is set
Are as follows:
10×SFN+subframe)-[(10×SFNstarttime+subframestarttime)+N×
semiPersistSchedIntervalUL+Su bframe_Offset×(N modulo 2)]modulo 10240+n×
FLOOR (semiPersistSchedIntervalUL/NOSF2), n=0,1,2 ... NOSF2-1, SFN are radio frame number,
Subframe is radio sub-frame number, and Subframe_Offset is the offset of subframe, SFNstarttime: for the radio frames of starting
Number；Subframestartime is the radio sub-frame number of starting.
15. a kind of VoLTE system characterized by comprising
Such as the described in any item resource semi-persistent scheduling devices for VoLTE business of claim 8 to 14.
16. a kind of resource semi-persistent scheduling device for VoLTE business characterized by comprising
Memory；And
It is coupled to the processor of the memory, the processor is configured to the instruction based on storage in the memory,
Execute the resource Semi-static scheduling method for VoLTE business as described in any one of claims 1 to 7.
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