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WO2011038775A1 - Procédé permettant de retarder l'envoi de messages depuis un équipement utilisateur attribués à une station de base dans une cellule d'un réseau mobile - Google Patents

Procédé permettant de retarder l'envoi de messages depuis un équipement utilisateur attribués à une station de base dans une cellule d'un réseau mobile Download PDF

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Publication number
WO2011038775A1
WO2011038775A1 PCT/EP2009/062813 EP2009062813W WO2011038775A1 WO 2011038775 A1 WO2011038775 A1 WO 2011038775A1 EP 2009062813 W EP2009062813 W EP 2009062813W WO 2011038775 A1 WO2011038775 A1 WO 2011038775A1
Authority
WO
WIPO (PCT)
Prior art keywords
data information
user equipment
base station
assigned
messages
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2009/062813
Other languages
English (en)
Inventor
Claudio Rosa
Jeroen Wigard
Benoist Pierre Sebire
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Solutions and Networks Oy
Original Assignee
Nokia Siemens Networks Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nokia Siemens Networks Oy filed Critical Nokia Siemens Networks Oy
Priority to PCT/EP2009/062813 priority Critical patent/WO2011038775A1/fr
Publication of WO2011038775A1 publication Critical patent/WO2011038775A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/25—Maintenance of established connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]

Definitions

  • the present invention relates to the field of delaying transmission of messages within networks.
  • the present invention relates to a method for delaying
  • the invention relates to a system. Further, the invention relates to a computer program.
  • the SR is transmitted on the Physical Uplink Control Channel (PUCCH) using dedicated resources in uplink.
  • PUCCH Physical Uplink Control Channel
  • a buffer status report is triggered in the UE, if data arrives in the UE buffer which belongs to a Logical Channel Group (LCG) with higher priority than that of LCGs for which data is already available for transmission, and, if new data which belongs to a Logical Channel Group (LCG) arrives in an empty UE buffer.
  • the UE has no allocation available on the Physical Uplink Shared Channel (PUSCH) for the Transmission Time Interval (TTI) where the BSR is triggered, a SR is then triggered. If no SR can be sent on PUCCH, for example in the case that no PUCCH resources are given to the UE, a random access
  • the network is notified through an SR sent on PUCCH or through a random access procedure if no PUCCH resources are available.
  • the Scheduling Request (SR) is used for requesting Uplink Shared Channel (UL-SCH) resources for new transmission.
  • the Buffer Status reporting (BSR) procedure is used to provide the serving eNodeB, base station or extended eNodeB, with information about the amount of data available for
  • Radio Resource Control controls BSR reporting by configuring two timers and by, for each logical channel, optionally signalling logicalChannelGroup which allocates the logical channel to an LCG.
  • RRC Radio Resource Control
  • the UE exits a DRX mode, and transmits an SR on PUCCH at the first occasion.
  • Discontinuous Reception is a method used in mobile communication to conserve the battery of the mobile device. The mobile device and the network negotiate phases in which data transfer occurs. During other times the device turns its receiver off and enters a low power state. This is usually a function designed into the protocol that allows this to happen - most notably how the transmission is structured - for example in slots with headers containing address details so that devices can listen to these headers in each slot to decide whether the
  • the receiver only has to be active at the beginning of each slot to receive the header, conserving battery life.
  • a method for delaying sending of messages from a user equipment assigned to a base station within a cell of a mobile network comprising receiving data
  • the received data information is masked with a DRX configuration, and delaying sending of response messages in response to the received data information until the occurrence of a time interval of a DRX cycle, in which time interval the user equipment is enabled to receive and transmit data.
  • a method for masking data information comprising receiving data information in a base station within a cell of a mobile network, determining whether the data information is assigned to applications with specified characteristics within the cell, transmitting, in case that the data information is assigned to applications with
  • the received data information from the base station to a user equipment assigned to the base station, wherein the received data information is masked with a DRX configuration.
  • a method for delaying sending of messages from a user equipment assigned to a base station within a cell of a mobile network comprising receiving data
  • the base station determines whether the data information is assigned to applications with specified characteristics within the cell, transmitting, in case that the data information is assigned to applications with
  • the received data information from the base station to the user equipment, wherein the received data information is masked with a DRX configuration, and delaying sending of response messages in response to the transmitted data information until the occurrence of a time interval of a DRX cycle, in which time interval the user equipment is enabled to receive and transmit data.
  • RA radio access
  • always-on applications that means applications which need to send and receive small packets frequently in order to keep the IP connectivity open. This is called “Heart beat” or “Keep alive”.
  • the typical frequency of "Keep alive” messages may be once per minute, or once every few minutes.
  • Always-on applications may be push email, instant messaging, presence, location services, weather widgets, etc.
  • the keeping alive messaging may be typically client
  • the received data information may be masked with a DRX configuration.
  • Discontinuous Reception is a method used in mobile communication to conserve the battery of the mobile device.
  • the mobile device and the network may negotiate phases in which data transfer occurs. During other times the device may turn its receiver off and may enter a low power state.
  • the data information When the data information is masked with a DRX configuration, the data information may be seen as to be data information in DRX mode.
  • time interval of a DRX cycle may denote a time slot or On-duration of a DRX cycle.
  • a DRX cycle specifies the periodic repetition of the On Duration followed by a possible period of inactivity.
  • the response messages are scheduling requests.
  • the Scheduling Request may be used for requesting UL-SCH resources for new transmission.
  • SR Scheduling Request
  • delaying sending of response messages comprises initiating random procedures.
  • random procedures may be initiated.
  • applications with specified characteristics are always-on applications.
  • Always-on applications may be applications which need to send and receive small packets frequently in order to keep the IP connectivity open.
  • the data information assigned to always on applications are keep- alive messages.
  • Always-on applications may need to send and receive small packets frequently in order to keep the IP connectivity open. This is called “Heart beat” or “Keep alive”.
  • the typical frequency of "Keep alive” messages may be once per minute, or once every few minutes.
  • the user equipment is assigned to one of a plurality of a logical channel groups and wherein characteristics of the delaying are dependent on the one logical channel group.
  • the UE may then be instructed not to send an SR or initiate a random access procedure before the occurrence of the on-duration of the DRX cycle, effectively delaying the notification of incoming data to the eNodeB.
  • the normal procedure may apply, that means an SR on random access procedure may be initiated regardless of DRX.
  • the method comprises further using different DRX configuration dependent on a load of the cell.
  • the eNodeB may also use different DRX settings depending on the load, that means for example the number of active users in a cell, and possibly on the average channel conditions so that for example UE power consumption is minimized for users in poor channel conditions.
  • a user equipment for delaying sending of messages, wherein the user equipment is assigned to a base station within a cell of a mobile network, the user equipment
  • a base station for delaying transmission of messages from a user equipment assigned to the base station within a cell of a mobile network, the base station comprising a first unit for receiving data information, a second unit for determining whether the data information is assigned to applications with specified characteristics within the cell, and a third unit for transmitting, in case that the received data information is assigned to applications with specified characteristics, the data information from the base station to the user equipment, wherein the data information is masked with a DRX configuration.
  • a system for delaying transmission of messages from a user equipment assigned to a base station within a cell of a mobile network comprising a user equipment with the above mentioned features and a base station with the above mentioned features.
  • a program element for instance a software routine, in source code or in executable code
  • a processor when being executed by a processor, is adapted to control or carry out a method having the above mentioned features.
  • a computer- readable medium for instance a CD, a DVD, a USB stick, a floppy disk or a hard disk
  • a computer program is stored which, when being executed by a processor, is adapted to control or carry out a method having the above mentioned features.
  • Delaying sending of messages from a user equipment assigned to a base station within a cell of a mobile network which may be performed according to aspects of the invention can be realized by a computer program, that is by software, or by using one or more special electronic optimization circuits, that is in hardware, or in hybrid form, that is by means of software components and hardware components.
  • Figure 1 shows a mobile network according to an embodiment of the invention.
  • Figure 2 shows a transactional flow diagram according to an embodiment of the invention.
  • Figure 1 shows a mobile network 100 according to an
  • the mobile network 100 comprises at least one cell 101.
  • a base station or eNodeB 102 is located in and assigned to this cell.
  • One or more user equipments 103, 104 are connected to the base station.
  • the base station 102 If the base station receives data information relevant for always-on applications or referring to keep-alive messages of such applications, the base station 102 masks the data information with a DRX configuration and transmits the received data information to the user equipment.
  • the user equipment upon receipt of the masked data information delays sending of response messages or keep alive messages until a time interval of a DRX cycle, in which time interval the user equipment is enabled to receive and transmit data, occurs.
  • the user equipment may be kept in a kind of sleep mode as long as only not time-critical messages have to be sent like keep alive messages. If other data information occurs and is received by the user equipment, the sleep mode may be nevertheless be quit.
  • FIG. 2 shows a transactional flow diagram according to an embodiment of the invention.
  • a base station determines (1) whether received data information is assigned to always-on applications. If this is the case, the BS masks the data information with a DRX configuration and transmits (2) the data information to a user equipment (UE) .
  • the UE then delays (3) a response to the received data information until the occurrence of a time interval of a DRX cycle, in which the UE is enabled to receive and transmit data. Once the time interval occurs, the UE sends (4) a response message or response messages to the BS .
  • a base station determines (1) whether received data information is assigned to always-on applications. If this is the case, the BS masks the data information with a DRX configuration and transmits (2) the data information to a user equipment (UE) .
  • the UE delays (3) a response to the received data information until the occurrence of a time interval of a DRX cycle, in which the UE is enabled to receive and transmit data. Once
  • a further possible way to "synchronize" transmission of "Keep alive” messages from different applications is to deploy a sort of push notification server as proposed e.g. by Apple. With a push notification server the synchronization is han- died at application level.
  • the main drawback is that all al ⁇ ways-on applications have to go through such push notifica ⁇ tion server in order to connect to a phone, which means that this solution is not transparent to the type of application and/or to the terminal model. This concept also only works for downlink applications, but not for uplink applications, connected to different servers.
  • DRX may be used to "synchronize” transmission of "Keep alive” messages from different always-on applications. How- ever, the majority of "Keep alive” messages are initiated by the mobile terminal and therefore transmitted in the uplink. This makes UE power saving unfeasible since the UE anyways exits DRX mode when new data arrives in its transmission buffers .
  • Another way would be to avoid associating the logical channel used by the application sending keep alive messages to any LCG. That would prevent BSR to be triggered and therefore SR and/or RACH procedure.
  • One major drawback of such an approach is that no buffered data of the application will be reflected in the BSR, leaving the eNodeB possibly unaware of their ex ⁇ istence .
  • the main idea is to provide the eNodeB with a mean to "force" the terminal to delay data transmission from always-on applications while keeping it in DRX mode, thus saving UE battery power and maintaining low latency for urgent applications.
  • a network opera ⁇ tor could avoid continuous transmission of SR and only allo ⁇ cate resources periodically (e.g. using non-contention based RA procedure if we need to recover synchronization) .
  • the eNodeB is able to distinguish between data from always-on applications and other types of traffic in order to configure the UE prop ⁇ erly. This can be achieved at bearer setup through CQI (Channel Quality Indicator) .
  • CQI Channel Quality Indicator
  • the UE would then be instructed not to send an SR or initiate a random access procedure before the occur ⁇ rence of the on-duration of the DRX cycle, effectively delay ⁇ ing the notification of incoming data to the eNB .
  • the normal procedure would apply: an SR on random ac ⁇ cess procedure can be initiated regardless of DRX. In order for this to be applicable, updates/modifications to the cur ⁇ rent LTE specifications are required.
  • the eNodeB could also use different DRX settings depending on the load (i.e. number of active users in a cell) and possibly on the average channel conditions so that e.g. UE power con ⁇ sumption is minimized for users in poor channel conditions.
  • regular BSR regular BSR
  • periodic BSR periodic BSR
  • padding BSR padding BSR
  • regular BSR it is proposed to additionally dis ⁇ tinguish depending on the LCG the newly arrived data in the UE buffer belongs to.
  • regular BSR LCG #i regular BSR LCG #i
  • the LCG with higher priority is as ⁇ sumed when marking the corresponding regular BSR.
  • the eNodeB may then have the possibility to configure (for each LCG) whether or not a SR which is triggered by a regular BSR marked with the corresponding LCG number has to be masked with DRX configuration. For example, a LCG bearing critical RRC signalling or VoIP may not be masked with DRX configura ⁇ tion, while a LCG bearing data from always-on applications may.
  • the main advantage of the proposed idea is that it allows network operators to take control of the frequency of trans ⁇ mission of "Keep alive" messages without need to implement non-transparent solutions at application level such as the push notification server.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention se rapporte à un procédé permettant de retarder l'envoi de messages depuis un équipement utilisateur attribués à une station de base dans une cellule d'un réseau mobile. Le procédé consiste à recevoir des informations de données dans la station de base, déterminer si les informations de données sont attribuées à des applications actives dans la cellule ; dans le cas où les informations de données sont attribuées à des applications toujours actives, transmettre les informations de données reçues depuis la station de base à l'équipement utilisateur, les informations de données reçues étant masquées avec une configuration DRX ; et retarder l'envoi des messages de réponse en réponse aux informations de données transmises jusqu'à l'occurrence d'un intervalle de temps d'un cycle DRX pendant lequel l'équipement utilisateur peut recevoir et transmettre des données.
PCT/EP2009/062813 2009-10-02 2009-10-02 Procédé permettant de retarder l'envoi de messages depuis un équipement utilisateur attribués à une station de base dans une cellule d'un réseau mobile Ceased WO2011038775A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2009/062813 WO2011038775A1 (fr) 2009-10-02 2009-10-02 Procédé permettant de retarder l'envoi de messages depuis un équipement utilisateur attribués à une station de base dans une cellule d'un réseau mobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2009/062813 WO2011038775A1 (fr) 2009-10-02 2009-10-02 Procédé permettant de retarder l'envoi de messages depuis un équipement utilisateur attribués à une station de base dans une cellule d'un réseau mobile

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WO2011038775A1 true WO2011038775A1 (fr) 2011-04-07

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013013073A3 (fr) * 2011-07-21 2013-03-21 Qualcomm Incorporated Optimisation de puissance en se servant du retard de requête d'ordonnancement
WO2015048658A3 (fr) * 2013-09-27 2015-06-04 Apple Inc. Système et procédé de prévention sélective de transmission d'une requête de planification
EP3026964A1 (fr) * 2012-06-27 2016-06-01 Huawei Technologies Co., Ltd. Procédé de configuration de paramètres, station de base et équipement utilisateur
EP3048847A1 (fr) * 2015-01-26 2016-07-27 Panasonic Intellectual Property Corporation of America Procédure de demande de programmation améliorée
CN115039468A (zh) * 2020-02-13 2022-09-09 中兴通讯股份有限公司 用于侧链路通信的方法和设备

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090161620A1 (en) * 2007-12-21 2009-06-25 Research In Motion Limited System and Method for Uplink Resource Utilization
US20090247203A1 (en) * 2008-03-25 2009-10-01 Richard Lee-Chee Kuo Method and Apparatus for Improving DRX Functionality

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090161620A1 (en) * 2007-12-21 2009-06-25 Research In Motion Limited System and Method for Uplink Resource Utilization
US20090247203A1 (en) * 2008-03-25 2009-10-01 Richard Lee-Chee Kuo Method and Apparatus for Improving DRX Functionality

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
RESEARCH IN MOTION: "SRS Transmission Support in DRX Mode", INTERNET CITATION, 15 February 2008 (2008-02-15), XP002478324, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/tsg_ran/WG2_RL2/TSGR2_61/Docs/R2-080808.zip> [retrieved on 20080418] *

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3634068A1 (fr) * 2011-07-21 2020-04-08 QUALCOMM Incorporated Procédé et dispositifs pour determiner une opportunité de transmission pour la transmission d'une requête de planification
KR20140048272A (ko) * 2011-07-21 2014-04-23 퀄컴 인코포레이티드 스케줄링 요청을 전송하기 위한 전송 기회를 결정하기 위한 방법 및 장치들
WO2013013073A3 (fr) * 2011-07-21 2013-03-21 Qualcomm Incorporated Optimisation de puissance en se servant du retard de requête d'ordonnancement
US9161371B2 (en) 2011-07-21 2015-10-13 Qualcomm Incorporated Power optimization using scheduling request delay
KR101602239B1 (ko) * 2011-07-21 2016-03-10 퀄컴 인코포레이티드 스케줄링 요청을 전송하기 위한 전송 기회를 결정하기 위한 방법 및 장치들
EP3026964A1 (fr) * 2012-06-27 2016-06-01 Huawei Technologies Co., Ltd. Procédé de configuration de paramètres, station de base et équipement utilisateur
US10187857B2 (en) 2013-09-27 2019-01-22 Apple Inc. System and method for selective prevention of transmitting a scheduling request
CN105580446A (zh) * 2013-09-27 2016-05-11 苹果公司 用于选择性地阻止传输调度请求的系统和方法
CN105580446B (zh) * 2013-09-27 2019-06-11 苹果公司 用于选择性地阻止传输调度请求的系统和方法
WO2015048658A3 (fr) * 2013-09-27 2015-06-04 Apple Inc. Système et procédé de prévention sélective de transmission d'une requête de planification
WO2016119981A1 (fr) * 2015-01-26 2016-08-04 Panasonic Intellectual Property Corporation Of America Procédure de demande d'ordonnancement améliorée
EP3048847A1 (fr) * 2015-01-26 2016-07-27 Panasonic Intellectual Property Corporation of America Procédure de demande de programmation améliorée
US10271347B2 (en) 2015-01-26 2019-04-23 Panasonic Intellectual Property Corporation Of America Scheduling request procedure
CN115039468A (zh) * 2020-02-13 2022-09-09 中兴通讯股份有限公司 用于侧链路通信的方法和设备
CN115039468B (zh) * 2020-02-13 2025-03-21 中兴通讯股份有限公司 用于侧链路通信的方法和设备
US12302444B2 (en) 2020-02-13 2025-05-13 Zte Corporation Method and device for sidelink communication

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