CN101998643B - The system and method for a kind of semi-persistent scheduling uplink activation and reactivation - Google Patents
The system and method for a kind of semi-persistent scheduling uplink activation and reactivation Download PDFInfo
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- 230000007420 reactivation Effects 0.000 title claims abstract description 25
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- 230000009849 deactivation Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
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- 238000004891 communication Methods 0.000 description 2
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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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Abstract
The invention provides the system and method for a kind of semi-persistent scheduling uplink activation and reactivation, the method comprises: the logic channel group of semi-persistent scheduling (SPS) business under base station carries for user is configured for, when described user sends SPS data in described logic channel group to base station, base station activation or reactivation SPS business.Adopt technical scheme of the present invention, simplify the condition that base station judges the activation of SPS business uplink triggering and reactivation, eliminate the interference that other business datums judge base station, uplink activation can be judged more accurately, save control overhead.And do not affect the realization of current agreement.
Description
Technical Field
The invention relates to the field of communication, in particular to a system and a method for semi-statically scheduling uplink activation and reactivation.
Background
With The development of network architecture flattening and The emergence of various high-speed broadband mobile access modes, an evolved wireless communication System can provide higher transmission rate, shorter transmission delay and lower cost, and simultaneously support mobility between 3GPP (The 3rd Generation Partnership Project) internal access systems and mobility between 3GPP access systems and non-3 GPP access systems, etc., so that a mobile communication network proposes a next-Generation architecture concept of LTE (long time Evolution, long term Evolution of mobile communication System)/SAE (System architecture Evolution).
In the LTE system, the radio resource allocation machine has different characteristics from the conventional one. In the conventional 3G device, the radio resources are allocated by the RNC, which results in that the service resource allocation cannot adapt to the channel, and the protocol structure is too complex, which is not favorable for system optimization. The flat design of LTE makes the functions related to the air interface concentrated on the evolved Node B (eNB), and the Radio Link Control (RLC) and the Media Access Control (MAC) both located in the same network Node, so that the scheduler can dynamically schedule data according to the channel quality, thereby reducing the padding, fully utilizing the transmission capability of the channel, and further improving the spectrum utilization rate. For some services, the data characteristics of the services are strong in periodicity (for example, Voice Over IP (VOIP), the data characteristics of the services are that packets are small, regularity and period are short), so in order to reduce the overhead of a control channel, the LTE proposes semi-static scheduling as a supplement to dynamic scheduling.
Semi-persistent Scheduling (SPS) refers to a Scheduling method designed for a specific service, requiring activation/release of resources, using pre-allocated resources at fixed time and dynamic Scheduling (retransmission) at other time. In order to avoid system complexity, SPS resources may be used for all traffic of the UE, and not specifically for periodically scheduled traffic (such as VOIP), but dynamically scheduled traffic may also be used without SPS resources. Therefore, the reasonable activation/reactivation of the SPS can ensure that the system bandwidth is fully utilized. The procedures associated with SPS are as follows:
SPS parameter configuration:
the SPS parameters are set by the RRC layer to the UE in RRC connection establishment, RRC connection re-establishment, or RRC connection reconfiguration. (see figures 1, 2, 3 of the specification) the parameter of the main configuration is SPS enabled or disabled. SPS parameters are configured with SPS enabled, such as SPS C-RNTI, periodicity of SPS, total number of SPS Processes, etc.
SPS activation/reactivation:
in the SPS enabled case, and with SPS data, the eNB is activated through a dedicated PDCCHOrder (Physical Downlink Control Channel). The allocation of static resources (including the number of RBs (resource block), RB location, mcs (modulation and coding scheme), etc.) is included in the PDCCH activation command. The activation validation time is the time at which the PDCCH activation command is transmitted. After SPS activation, the eNB may also perform SPS reactivation according to channel quality or transmitted data conditions. The uplink activation and the downlink activation are independently judged.
SPS deactivation:
the former is deactivated by a dedicated PDCCH Order (PDCCH Order). The latter is only effective for upstream. Means that the UE deactivates by continuously sending 2, 3, 4, or 8 zero MAC sdus (empty MAC packets, i.e. BSR of 0). After deactivation, SPS resources of both eNB and UE are released.
The BSR (buffer state report) refers to a report of an uplink data buffer that the UE needs to send, and is divided into a long BSR and a short BSR (see fig. 4 and 5 in the specification). The amount of data in the uplink buffer area reported by the UE is reported according to a Logical Channel Group (LCG). The LCGs have 4 LCGs, which are respectively 0, 1, 2 and 3 according to high-low priority.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a system and a method for semi-persistent scheduling uplink activation and reactivation, which simplify the conditions for determining SPS service uplink trigger activation and reactivation by an eNB.
In order to solve the above problem, the present invention provides a method for semi-statically scheduling uplink activation and reactivation, which includes: the base station configures a logical channel group for carrying a next semi-persistent scheduling (SPS) service for a user, and when the user sends SPS data to the base station on the logical channel group, the base station activates or reactivates the SPS service.
Further, the logical channel group configured by the base station for the SPS service of the user is the logical channel group with the highest priority.
Further, when the user has SPS data to send to the base station, reporting a Buffer Status Report (BSR) to the base station on the logical channel group for carrying the SPS service, and after receiving the BSR, if the current status is inactive, the current time reaches a preset time period of activation, and the number and data amount of SPS data packets received within the preset time period both reach preset values, triggering, by the base station, the SPS service activation.
Further, when the user has SPS data to send to the base station, reporting a BSR to the base station on the logical channel group for carrying the SPS service, and after receiving the BSR, if the current state is active and m packets of BSRs continuously received from the last activation to the current time are all 0, triggering the SPS service to be deactivated by the base station.
Further, when the user has SPS data to send to the base station, reporting a BSR to the base station on the logical channel group for carrying the SPS service, and after receiving the BSR, if the current state is active, if the currently received BSR is not 0, but t times of data packets received from the last activation to the current time are not in the same interval as the data volume of the BSR during the last activation, the base station triggers the SPS service reactivation.
The invention also provides a system for semi-statically scheduling uplink activation and reactivation, which comprises a base station and a user; the base station is used for configuring a logical channel group for bearing a next semi-persistent scheduling (SPS) service for a user and is also used for activating or reactivating the SPS service after receiving SPS data sent by the user;
and the user is used for sending SPS data to the base station on the configured logical channel group for carrying the SPS service.
Further, the logical channel group configured by the base station for the SPS service of the user is the logical channel group with the highest priority.
Further, when the user has SPS data to send to the base station, reporting a Buffer Status Report (BSR) to the base station on the logical channel group for carrying SPS service;
and the base station is further used for triggering SPS service activation if the current state is judged to be not activated, the current time reaches the activated preset time period, and the number and the data volume of the received SPS data packets in the preset time period reach preset values after receiving the BSR.
Further, when the user has SPS data to send to the base station, reporting a BSR to the base station on the logical channel group for carrying SPS service;
and the base station is further used for triggering SPS service deactivation if the current state is judged to be activated and m packets of BSRs continuously received from the last activation to the current moment are all 0 after receiving the BSR.
Further, when the user has SPS data to send to the base station, reporting a BSR to the base station on the logical channel group for carrying SPS service;
and the base station is further configured to trigger SPS service reactivation if the current state is activation and the currently received BSR is not 0, but t times of data packets received from last activation to the current time are not in the same interval as the data volume of the BSR during last activation.
The semi-persistent scheduling uplink activation and reactivation system and method provided by the invention simplify conditions for judging the activation and reactivation of the SPS uplink trigger by the eNB, remove the interference of other service data on the judgment of the eNB, can judge the uplink activation more accurately and save control overhead. And does not affect the implementation of the current protocol.
Drawings
Figure 1 is a flow chart of RRC connection establishment;
figure 2 is a RRC reconfiguration flow diagram;
fig. 3 is a flow chart of RRC connection re-establishment;
FIG. 4 is a diagram of a short BSR structure;
FIG. 5 is a long BSR structure diagram;
fig. 6 is a flow chart of an implementation of an embodiment of the method of the present invention.
Detailed Description
For SPS resources, they are not allocated after the RRC layer is statically configured, but allocated when the eNB determines that there is data to be transmitted, so the present invention provides a system and method for determining how to activate and reactivate SPS.
The embodiment provides a system for semi-persistent scheduling uplink activation and reactivation, which comprises an eNB and a user;
the eNB is used for configuring a logical channel group for bearing the SPS service for the user and is also used for activating or reactivating the SPS service after receiving the SPS data sent by the user;
the logical channel group configured by the eNB for the SPS service of the user is a logical channel group with the highest priority, such as but not limited to a logical channel group with an LCG ID of 0;
the user is used for sending SPS data to the base station on the configured logical channel group for bearing the SPS service, and specifically, when the user sends the SPS data to the base station, the BSR is reported to the base station on the logical channel group for bearing the SPS service;
the eNB is further configured to trigger activation of the SPS service if the current state is judged to be inactive, the current time reaches a preset activated time period T1, and the number and the data volume of the received SPS data packets within the preset time period reach preset values after the BSR is received;
and the eNB is further used for triggering the SPS service deactivation if the current state is judged to be activated and m packets of BSRs continuously received from the last activation to the current moment are all 0 after receiving the BSR.
And the eNB is further configured to trigger the SPS service reactivation if the current state is activation and the currently received BSR is not 0 but t times of data packets received from the last activation to the current time are not in the same interval as the data volume of the BSR during the last activation after the current state is activated.
The present embodiment provides a method for semi-persistent scheduling uplink activation and reactivation, as shown in fig. 6, including the following steps:
step 1, when configuring a logical channel, an eNB sets a logical channel group with a fixed priority for carrying SPS services, for example, the logical channel group with the highest priority may be set for the SPS services, in this embodiment, a logical channel group with an LCG ID of 0 is set for the SPS services, and other signaling or services are not allowed to configure the LCG ID of 0; when there is SPS service, the LCG ID configured for the logical channel of the service must be 0; when there are multiple SPS services, the configured LCGIDs of the logical channels of these SPS services are all 0, that is, all SPS services use a logical channel group with LCG ID ═ 0.
Step 2, when the UE has SPS data, reporting BSR with LCG ID being 0 to the base station;
fig. 4 is a schematic diagram of the reported short BSR, and the LCG ID is filled in the data packet, and fig. 5 is a schematic diagram of the reported long BSR, and the LCG ID may be filled in the first byte of the data packet.
Step 3, if the eNB receives the BSR whose LCG ID is 0, determining whether the current state of the SPS service is an inactive state or an active state, if the current state is the inactive state, executing step 4, and if the current state is the active state, executing step 7;
step 4, the current state is an inactivated state, the eNB determines whether the currently received BSR has data, if yes, determines whether n data packets have been continuously received within a preset time period T1 (for example, 160ms), if yes, executes step 5, otherwise, returns to step 3;
the preset time period is a time interval between the current time and the time when the received first packet of non-0 BSR data or the received first packet of non-0 BSR data is deactivated last time;
the specific value of n in the step can be set according to the actual implementation requirement;
step 5, the eNB determines whether the data volume of each BSR packet received within the preset time period T1 all reaches a preset value M, if so, step 6 is executed, otherwise, step 3 is returned;
the specific value of the preset value M can be set according to the actual implementation requirement.
Step 6, the eNB triggers SPS service activation;
step 7, if the current state is activation, the eNB judges whether the currently received BSR is 0, and m packets of BSR which are continuously received from the last activation to the current moment are all 0, executing step 9; if the currently received BSR is not 0, executing the step 8, and if the number of data packets of which the BSRs are 0 and which are continuously received from the last activation to the current moment is less than m, returning to the step 3;
step 8, if the currently received BSR is not 0, but the data volume of the BSR when the currently received BSR is activated last time is not in the same interval, and t times of data packets received from the last activation to the current time are not in the same interval as the data volume of the BSR when the currently received BSR is activated last time, executing step 10, otherwise, returning to step 3;
the specific values of m and t in the step can be set according to the actual implementation requirement; the eNB may divide the data amount of the BSR into different intervals, consider that the data amount of the BSR does not change when the received data amount of the BSR is in the same interval, and otherwise, change.
Step 9, the eNB deactivates the SPS service.
Step 10, the eNB triggers the reactivation of the SPS service.
Claims (4)
1. A method for semi-statically scheduling uplink activation and reactivation comprises the following steps: a base station configures a logical channel group for a user to carry a next semi-persistent scheduling (SPS) service, when the user sends SPS data to the base station on the logical channel group, a Buffer Status Report (BSR) is reported to the base station on the logical channel group for carrying the SPS service, and after receiving the BSR, the base station activates or reactivates the SPS service according to the current status or according to the current status and the BSR;
wherein, according to the current state or according to the current state and the BSR, the base station activating or reactivating the SPS service includes:
if the current state is not activated, the current time reaches the activated preset time period, and the number and the data volume of the received SPS data packets within the preset time period reach preset values, the base station triggers the activation of the SPS service;
or,
if the current state is activation and m packets of BSR continuously received from the last activation to the current moment are all 0, the base station triggers the SPS service to be deactivated;
or,
if the current state is activation, if the currently received BSR is not 0, but t times of data packets received from last activation to the current time are not in the same interval with the data volume of the BSR during last activation, the base station triggers SPS service reactivation.
2. The method of claim 1, wherein:
and the base station configures the logical channel group for the SPS service of the user as the logical channel group with the highest priority.
3. A semi-static scheduling uplink activation and reactivation system comprises a base station and a user; the method is characterized in that:
the base station is used for configuring a logical channel group for bearing a next semi-persistent scheduling (SPS) service for a user and is also used for activating or reactivating the SPS service after receiving SPS data sent by the user;
the user is used for sending SPS data to the base station on the configured logical channel group for bearing the SPS service; when the user has SPS data to send to the base station, reporting a Buffer Status Report (BSR) to the base station on the logic channel group for bearing the SPS service;
the base station is further configured to activate or reactivate an SPS service according to the current state or according to the current state and the BSR after receiving the BSR;
wherein, after receiving the BSR, the base station is further configured to activate or reactivate an SPS service according to the current state or according to the current state and the BSR, where the activating or reactivating by the base station is:
the base station is further configured to trigger SPS service activation if the current state is determined to be inactive, the current time reaches a preset time period of activation, and the number and data volume of SPS data packets received within the preset time period reach preset values after receiving the BSR;
or,
the base station is further configured to trigger SPS service deactivation if the current state is determined to be activated and m packets of BSRs continuously received from the last activation to the current time are all 0 after receiving the BSR;
or,
and the base station is further configured to trigger SPS service reactivation if the current state is activation and the currently received BSR is not 0, but t times of data packets received from last activation to the current time are not in the same interval as the data volume of the BSR during last activation.
4. The system of claim 3, wherein:
and the base station configures the logical channel group for the SPS service of the user as the logical channel group with the highest priority.
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| CN200910167159.1A CN101998643B (en) | 2009-08-26 | 2009-08-26 | The system and method for a kind of semi-persistent scheduling uplink activation and reactivation |
| PCT/CN2010/074739 WO2011023036A1 (en) | 2009-08-26 | 2010-06-29 | System,method and base station for uplink activation and reactivation of semi-persistent scheduling |
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| CN102740280B (en) * | 2011-04-15 | 2016-07-06 | 中兴通讯股份有限公司 | The method of uplink semi-persistent scheduling deexcitation, system, base station and user terminal |
| CN103167420B (en) * | 2011-12-16 | 2016-04-20 | 鼎桥通信技术有限公司 | SPS Activiation method and base station |
| CN103200530B (en) * | 2012-01-05 | 2016-12-14 | 华为技术有限公司 | A kind of method and device realizing cluster multi call business |
| WO2013120253A1 (en) * | 2012-02-14 | 2013-08-22 | Renesas Mobile Corporation | Semi-persistent scheduling reconfiguration in carrier aggregation |
| CN103874232B (en) * | 2012-12-18 | 2017-08-04 | 华为技术有限公司 | Semi-static scheduling resources method for releasing and equipment |
| CN106304355A (en) * | 2015-06-10 | 2017-01-04 | 中兴通讯股份有限公司 | A kind of semi-persistent scheduling activates and the method and apparatus of deexcitation |
| CN106470399B (en) * | 2015-08-14 | 2019-08-23 | 普天信息技术有限公司 | The method and system of semi-continuous scheduling reactivation in cluster multi call business |
| WO2017135677A1 (en) * | 2016-02-03 | 2017-08-10 | Lg Electronics Inc. | Method and apparatus for performing user equipment triggered semi-persistent scheduling activation in wireless communication system |
| WO2017132998A1 (en) | 2016-02-05 | 2017-08-10 | 广东欧珀移动通信有限公司 | Method, mobile station, and network apparatus for transmitting service |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101488906A (en) * | 2008-01-14 | 2009-07-22 | 中兴通讯股份有限公司 | Resource allocation method for real-time service transmission and real-time service transmission method |
| CN101499882A (en) * | 2008-11-05 | 2009-08-05 | 华为技术有限公司 | Semi-static scheduling data packet response information feedback, receiving method and apparatus thereof |
| WO2009102881A1 (en) * | 2008-02-13 | 2009-08-20 | Qualcomm Incorporated | Resource release and discontinuous reception mode notification |
Family Cites Families (1)
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| US8483146B2 (en) * | 2008-02-01 | 2013-07-09 | Lg Electronics Inc. | Method for performing efficient BSR procedure using SPS resource |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101488906A (en) * | 2008-01-14 | 2009-07-22 | 中兴通讯股份有限公司 | Resource allocation method for real-time service transmission and real-time service transmission method |
| WO2009102881A1 (en) * | 2008-02-13 | 2009-08-20 | Qualcomm Incorporated | Resource release and discontinuous reception mode notification |
| CN101499882A (en) * | 2008-11-05 | 2009-08-05 | 华为技术有限公司 | Semi-static scheduling data packet response information feedback, receiving method and apparatus thereof |
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