CN104202835A - Method for timely releasing time-frequency resources through base station when UE (User Equipment) enter quiet period - Google Patents
Method for timely releasing time-frequency resources through base station when UE (User Equipment) enter quiet period Download PDFInfo
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- CN104202835A CN104202835A CN201410446560.XA CN201410446560A CN104202835A CN 104202835 A CN104202835 A CN 104202835A CN 201410446560 A CN201410446560 A CN 201410446560A CN 104202835 A CN104202835 A CN 104202835A
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Abstract
The invention discloses a method for timely releasing time-frequency resources through a base station when UE (User Equipment) enter a quiet period. When the UE enter the quiet period, the MAC data control information with a VoIP (Voice Over Internet Protocol) resource release report is sent from unlink time-frequency resources allocated through SPS (Semi-Persistent Scheduling) and the unlink time-frequency resources allocated through the SPS are released after the base station receives the MAC data control information. According to the method for timely releasing the time-frequency resources through the base station when the UE enter the quiet period, a new MAC data control information unit is defined to notify an eNodeB that the UE enter the quiet period, the time-frequency resources are timely released through the eNodeB, and accordingly a user can determine whether the UE enter the quiet period or not without wasting a few times of the time-frequency resources allocated through the SPS and the utilization rate of the time-frequency resources of the integral community is improved.
Description
Technical field
The present invention relates to allow base station discharge in time the method for running time-frequency resource when UE enters quiet period.
Background technology
VoLTE (VoIP) is Voice over LTE, and it is a kind of IP data transmission technology, and all service bearer, on the 4G network of little base station, not only provides the data service of two-forty under 4G network, and high-quality audio frequency and video call is also provided simultaneously.For class business such as VoIP, the size of its packet is relatively fixing, and the time interval between packet also meets certain regularity.For this reason, in 3GPP, introduced a kind of new scheduling mode---semi-persistent scheduling (Semi-Persistent Scheduling, SPS).
In semi-persistent scheduling, the running time-frequency resource of system (comprising uplink and downlink) only needs distributed or specified once by PDCCH (control signal of mobile phone is issued in base station), then just can periodically reuse identical running time-frequency resource.The release of the running time-frequency resource of semi-persistent scheduling after finishing using is also extremely important.
After semi-persistent scheduling (SPS) finishes, there are two kinds of modes to discharge: explicit release---eNodeB (base station) discharges to UE (mobile phone) by sending out PDCCH; Implicit expression discharges---and the running time-frequency resource of joining at SPS is unsure several times continuously, and according to sending (number of times is configured by RRC signaling parameter implici tReleaseAfter, such as 5 times), UE can stop the transmission of SPS automatically, discharges SPS resource.
VoIP business is divided into active stage and quiet period, and wherein quiet period accounts for the closely time of half.Active stage,, business approximately arrives the packet of 40 byte left and right every 20ms, in quiet period, approximately every 160ms, arrive a SID (silent insertion Descriptor) bag, these bag size approximately 15 byte left and right.Quiet period be semi-static distribution running time-frequency resource to discharge recovery.
So up, quick and precisely judging that UE enters quiet period, is the key that running time-frequency resource effectively utilizes, especially when the large capacity of VoLTE large scale deployment.Existing agreement, eNodeB judges according to the feature of a bag of 160ms of mourning in silence, and causes wasting several times (as impl icitRelea seAfter time) running time-frequency resource more.
Summary of the invention
While the object of the present invention is to provide a kind of UE to enter quiet period, allow base station discharge in time the method for running time-frequency resource, define new MAC data control information unit and be used for notifying eNodeB, UE enters quiet period, allow eNodeB discharge in time running time-frequency resource, need not waste the running time-frequency resource that SPS joins several times more and be used for judging whether UE enters quiet period, improve the running time-frequency resource service efficiency of whole community.
For achieving the above object, technical scheme of the present invention is to design when a kind of UE enters quiet period to allow base station discharge in time the method for running time-frequency resource, when UE enters quiet period, the uplink time/frequency source of distributing at SPS sends the MAC data control information of band VoIP resource release request (VoIP Resource Release Report), and the uplink time/frequency source that rear release SPS distributes is received in base station.
Preferably, in the MAC data control information of 3GPP 36.321 definition, get Index11000 as VoIP resource release request (VoIP Resource Release Report).
Advantage of the present invention and beneficial effect are: while providing a kind of UE to enter quiet period, allow base station discharge in time the method for running time-frequency resource, define new MAC data control information unit and be used for notifying eNodeB, UE enters quiet period, allow eNodeB discharge in time running time-frequency resource, need not waste the running time-frequency resource that SPS joins several times more and be used for judging whether UE enters quiet period, improve the running time-frequency resource service efficiency of whole community.
Accompanying drawing explanation
Fig. 1 is that semi-persistent scheduling SPS of the present invention activates/discharge flow chart.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is further described.Following examples are only for technical scheme of the present invention is more clearly described, and can not limit the scope of the invention with this.
The concrete technical scheme of implementing of the present invention is:
A kind of UE allows base station discharge in time the method for running time-frequency resource while entering quiet period, when UE enters quiet period, the uplink time/frequency source of distributing at SPS sends the MAC data control information of band VoIP resource release request (VoIP Resource Release Report), and the uplink time/frequency source that rear release SPS distributes is received in base station.
Concrete, the MAC data control information of 3GPP 36.321 definition, as table 1.
Table 1 Values of LCID for UL-SCH
| Index | LCID?values |
| 00000 | CCCH |
| 00001-01010 | Identity?Of?the?logical?channel |
| 01011-11000 | Reserved |
| 11001 | Extended?Power?Headroom?Report |
| 11010 | Power?Headroom?Report |
| 11011 | C-RNTI |
| 11100 | Truncated?BSR |
| 11101 | Short?BSR |
| 11110 | Long?BSR |
| 11111 | Padding |
Get Index11000 as VoIP resource release request (VoIP Resource Release Report), as table 2.
Table 2 Values of LCID for UL-SCH (expansion)
| Index | LCID?vaIues |
| 00000 | CCCH |
| 00001-01010 | Identity?Of?the?logical?channel |
| 01011-10111 | Reserved |
| 11000 | VoIP?Resource?Release?Report |
| 11001 | Extended?Power?Headroom?Report |
| 11010 | Power?Headroom?Report |
| 11011 | C-RNTI |
| 11100 | Truncated?BSR |
| 11101 | Short?BSR |
| 11110 | Long?BSR |
| 11111 | Padding |
Semi-persistent scheduling SPS of the present invention activates/discharges flow chart as shown in Figure 1.
Conventionally eNodeB judges according to the continuous uplink time/frequency source transmission data of not distributing at SPS for 4 to 5 times of UE whether UE enters quiet period.3 to 4 running time-frequency resources that the present invention saves can be given other UE and use.During MAC layer group bag if at MAC PDU, fill out with the LCID MAC PDU subheader of VoIP Resource Release Report just passable, correspondence MAC data control information length fill out 0.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (2)
- When entering quiet period, 1.UE allow base station discharge in time the method for running time-frequency resource, it is characterized in that, when UE enters quiet period, the uplink time/frequency source of distributing at SPS sends the MAC data control information with VoIP resource release request, and the uplink time/frequency source that rear release SPS distributes is received in base station.
- 2. when UE according to claim 1 enters quiet period, allow base station discharge in time the method for running time-frequency resource, it is characterized in that, in the MAC data control information of 3GPP 36.321 definition, get Index 11000 as VoIP resource release request.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410446560.XA CN104202835A (en) | 2014-09-03 | 2014-09-03 | Method for timely releasing time-frequency resources through base station when UE (User Equipment) enter quiet period |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410446560.XA CN104202835A (en) | 2014-09-03 | 2014-09-03 | Method for timely releasing time-frequency resources through base station when UE (User Equipment) enter quiet period |
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| CN201410446560.XA Pending CN104202835A (en) | 2014-09-03 | 2014-09-03 | Method for timely releasing time-frequency resources through base station when UE (User Equipment) enter quiet period |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1206410A (en) * | 1996-02-26 | 1999-01-27 | 法玛西雅厄普约翰美国公司 | Azolyl piperazinyl phenyl oxazolidinone antimicrobials |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1206410A (en) * | 1996-02-26 | 1999-01-27 | 法玛西雅厄普约翰美国公司 | Azolyl piperazinyl phenyl oxazolidinone antimicrobials |
Non-Patent Citations (1)
| Title |
|---|
| QUALCOMM EUROPE: "Release of semi-persistent resources", 《3GPP TSG-RAN WG2 MEETING #61BIS》 * |
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Application publication date: 20141210 |