WO2012079323A1 - Procédé, système et dispositif destinés à éviter la confusion de surveillance d'un terminal d'accès - Google Patents

Procédé, système et dispositif destinés à éviter la confusion de surveillance d'un terminal d'accès Download PDF

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Publication number
WO2012079323A1
WO2012079323A1 PCT/CN2011/072688 CN2011072688W WO2012079323A1 WO 2012079323 A1 WO2012079323 A1 WO 2012079323A1 CN 2011072688 W CN2011072688 W CN 2011072688W WO 2012079323 A1 WO2012079323 A1 WO 2012079323A1
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WO
WIPO (PCT)
Prior art keywords
access terminal
time interval
minimum
access
access network
Prior art date
Application number
PCT/CN2011/072688
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English (en)
Chinese (zh)
Inventor
罗雪松
Original Assignee
中兴通讯股份有限公司
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Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2012079323A1 publication Critical patent/WO2012079323A1/fr

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Classifications

    • 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

Definitions

  • the present invention relates to mobile communication technologies, and in particular, to a method, system and apparatus for preventing an access terminal from listening to confusion. Background technique
  • MAC Media Access Control
  • F i-war-ctTraffk Valid 1 0Tt>383 ⁇ 4 0 or 1
  • the nth occurrence of the ForwardTraffic Valid63ToO field corresponds to the traffic channel established by the resource with the media access control index (Maclndex) value of 64-n.
  • the nth occurrence of the ForwardTraffic Validl27To64 field corresponds to the traffic channel established using a resource with a Maclndex value of 128-n.
  • the ForwardTraffic Valid field of the MACIndex corresponding to the current connection of the AT itself is retrieved as True (1). If True, the service channel corresponding to the MACIndex is available. If False ( 0 ) indicates that the traffic channel has been released by the access network ( AN ), it is unavailable. When the AT monitors that the traffic channel corresponding to the connection has been released, the traffic channel connection can be closed. Operation.
  • FIG. 1 is a schematic diagram of establishing a traffic channel for multiple terminal reuse resources in the prior art. As shown in FIG. 1 , on the time axis, the AN uses MACIndex N to establish a traffic channel for the ATI at the time T1, and the AN will be the ATI at the time T2.
  • the traffic channel is released.
  • the AN uses MACIndex N to establish a traffic channel for AT2.
  • the time points TA, TB, and TC are the QuickConfig in the Overhead protocol sent by the AN to the AT on the forward control channel.
  • the interval for sending the QuickConfig message twice is the transmission channel (CCsynSS) of the Control Channel Synchronous Sleep State capsule, which is called the control channel period.
  • the duration is 256 CDMA slots.
  • the AN allocates a traffic channel for the ATI. After the traffic channel is allocated, in the ForwardTraffic Valid field list of the QuickConfig message, the corresponding value is Tme.
  • the AN has released the allocation of traffic channels for the ATI.
  • the AN establishes a traffic channel for AT2.
  • the corresponding value is also True.
  • the ATI When the ATI does not receive the release message sent by the AN due to the loss of the air interface message or the error frame, etc., and the AN has been released as the service channel of the ATI, the ATI still considers that the traffic channel is in the hold state, and continuously opens the reverse channel and listens. Receiving a forward channel message.
  • ATI and AT2 will find the corresponding ForwardTraffic Valid field in the QuickConfig message as Tme according to the MACIndex assigned to it by the AN. Both ATI and AT2 will continue to be connected open, causing reverse interference.
  • the AN can set a timer Timer_LockMACIndex to lock a released MACIndex and not assign the newly released MACIndex to the new user for a period of time, thereby avoiding the conflict of MACIndex usage.
  • Timer_LockMACIndex is less than the time of the AT listening control channel period, the time of the AT listening control channel period is usually 12 control channel periods by default, then the situation may occur as shown in FIG. 2, also on the time axis, T1 time AN.
  • Use MACIndex N to establish a traffic channel for ATI.
  • AN releases the ATI traffic channel.
  • the AN uses MACIndex N to establish a traffic channel for AT2.
  • the duration of TA ⁇ TD is Timer_LockMACIndex
  • the length of TA ⁇ TE is the duration of the AT listening control channel period. If ATI is in the period of TA ⁇ TD, it is not able to demodulate the air interface.
  • the ATI can receive the QuickConfig message after the TD time, and mistakenly believe that its corresponding MACIndex resource still exists according to the QuickConfig message, so Continue to stay connected, causing confusion in the monitor.
  • the AN uses the MACIndex N to establish a traffic channel for the ATI, and the AN uses the ATI traffic channel at the time T2. Released, at time T3, ATI releases the traffic channel due to control channel interception failure. At time T4, the AN uses MACIndex N to establish a traffic channel for AT2.
  • the length of TA ⁇ TE is set to the time when the AT monitors the control channel period, and the duration of TA ⁇ TD is Timer_LockM ACIndex.
  • the control channel packet is not demodulated, and it is impossible to know whether the value of the corresponding ForwardTrafficValid field in the QuickConfig message has changed.
  • the ATI will release the connection of the traffic channel by itself because the monitoring control channel times out.
  • the time point is after the TE time point, so after the TD time point, the AN reuses the MACIndex N to establish a traffic channel for the AT2, which will not cause confusion of the MACIndex.
  • Timer_LockMACIndex must be greater than the time that the AT listens to the control channel period, the interference confusion can be effectively avoided. This time is 12 control channel periods, which is about 5.12 seconds. If each connection is released, it must wait for 5.12 seconds to reuse it.
  • the MACIndex used in the scenario where the call is busy or overloaded may cause the MACIndex to be insufficiently allocated, and the length of the QuickConfig message will increase to the theoretical maximum length, which increases the message of the control channel and seriously wastes network resources. Summary of the invention
  • the invention provides a method, a system and a device for preventing an access terminal from listening to confusion, which can improve the utilization of network resources while reducing the confusion of the access terminal.
  • the present invention provides a method for preventing an access terminal from listening to confusion.
  • the method includes: the access terminal listening to the control channel after the service channel is established, and receiving the quick configuration message sent by the access network according to the control channel period t;
  • the service channel connection is released, where the minimum reuse time interval T is the resource used by the access network to re-establish the currently established service channel.
  • the present invention also provides a method for preventing an access terminal from listening to confusion.
  • the method includes: the access network establishes a traffic channel with the first access terminal by using the first resource, and sends a quick configuration message according to the control channel period t;
  • the access network After determining that the service channel resource release with the first access terminal reaches a minimum reuse time interval T, the access network is allowed to establish a service channel with the second access terminal by using the first resource, where the first connection When the inbound terminal does not receive the quick configuration message within the minimum reuse interval T, the traffic channel connection is released, and t T .
  • the present invention also provides a system for preventing an access terminal from listening to confusion.
  • the system includes: an access terminal and an access network, where
  • the access terminal is configured to listen to the control channel after receiving the traffic channel, and receive the fast configuration message, and release the service channel connection when the quick configuration message is not received within the minimum reuse time interval T, where t T;
  • An access network configured to configure a minimum reuse time interval T, establish a traffic channel with the first access terminal by using the first resource, and send a fast configuration message according to the control channel period t; After the traffic channel resource release of an access terminal reaches a minimum reuse time interval T, the first resource is allowed to establish a traffic channel with the second access terminal.
  • the present invention also provides an apparatus for preventing an access terminal from listening to confusion, the apparatus comprising: a listening unit and a releasing unit, wherein
  • a monitoring unit configured to monitor a control channel after establishing a traffic channel, and receive a fast configuration message sent by the access network according to a control channel period t;
  • a release unit configured to release a traffic channel connection when the quick configuration message is not received within a minimum reuse time interval T, where the minimum reuse time interval T is used by the access network to re-use the currently established traffic channel
  • the present invention also provides an apparatus for preventing an access terminal from listening to confusion, the apparatus comprising: a sending unit and an establishing unit, where
  • a sending unit configured to establish a traffic channel with the first access terminal by using the first resource, and send a quick configuration message according to the control channel period t;
  • An establishing unit configured to establish, by using the first resource, a service channel with the second access terminal after determining that the traffic channel resource release with the first access terminal reaches a minimum reuse time interval T, where When an access terminal does not receive the quick configuration message within the minimum reuse time interval ⁇ , the traffic channel connection is released, and t T .
  • An embodiment of the present invention provides a method, system, and apparatus for preventing an access terminal from listening to confusion.
  • the access network sets an appropriate minimum reuse time interval, and then notifies the access terminal of the minimum reuse time interval.
  • the connection is released, thereby shortening the minimum reuse time interval, and the length of the QuickConfig message is also shortened due to the increase of the resource reuse rate, thereby realizing the reduction of the access terminal monitoring confusion. , improve the utilization of network resources.
  • FIG. 1 is a schematic diagram of a plurality of terminal reuse resources to establish a service channel in the prior art
  • FIG. 2 is a schematic diagram of a plurality of terminal reuse resources to establish a service channel in the prior art
  • FIG. 3 is a schematic diagram of multiple terminals in the prior art
  • 3 is a schematic diagram of a method for re-using resources to establish a traffic channel
  • FIG. 4 is a flowchart of a method for avoiding confusion of an access terminal in an embodiment of the present invention
  • FIG. 5 is a schematic diagram of establishing a service channel by multiple terminals reusing resources according to an embodiment of the present invention
  • FIG. 6 is a second flowchart of a method for preventing an access terminal from listening to confusion according to an embodiment of the present invention
  • FIG. 7 is a schematic structural diagram of a system for preventing an access terminal from listening to confusion according to an embodiment of the present invention
  • FIG. 8 is a schematic diagram of avoiding connection in an embodiment of the present invention
  • FIG. 9 is a schematic structural diagram of an apparatus for avoiding confusion of an access terminal in an embodiment of the present invention
  • FIG. detailed description is a schematic structural diagram of a system for preventing an access terminal from listening to confusion according to an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of avoiding connection in an embodiment of the present invention
  • FIG. 9 is a schematic structural diagram of an apparatus for avoiding confusion of an access terminal in an embodiment of the present invention
  • FIG. detailed description
  • Embodiments of the present invention provide a method, system, and apparatus for preventing an access terminal from listening to confusion.
  • the access network sets an appropriate minimum reuse time interval, and then notifies the access terminal of the time interval, where the access terminal is to be minimized.
  • the connection is released, thereby shortening the minimum reuse time interval, and the length of the QuickConfig message is shortened correspondingly due to the increase of the resource reuse rate, thereby achieving an improvement in reducing the access confusion of the access terminal. Utilization of network resources.
  • FIG. 4 is a flowchart of a method for preventing an access terminal from listening to confusion in an embodiment of the present invention. As shown in FIG. 4, the method for preventing an access terminal from listening to confusion is provided in the embodiment of the present invention, where the method includes:
  • Step S401 The access terminal monitors the control channel after the service channel is established, and receives the quick configuration message sent by the access network according to the control channel period t.
  • Step S402 When the access terminal does not receive the quick configuration message within the minimum reuse time interval T, the service channel connection is released, where the minimum reuse time interval T is re-enabled by the access network.
  • the waiting time before the service channel is established by other access terminals by using the resources currently used to establish the traffic channel, and t T .
  • the AT listens to the synchronous control channel message, and determines whether to maintain the traffic channel connection or release the traffic channel connection according to the QuickConfig message received in each synchronization control channel period, if the AN is in a synchronous control channel cycle.
  • the AN should also notify the AT through the QuickConfig message of the overhead message protocol at the starting point of the next synchronous control channel period, the traffic channel of the AT has been released by the AN, and the AT is received and released. After the QuickConfig message of the message, the traffic channel connection is released.
  • the AN cannot reuse the same MACIndex in a synchronous control channel cycle.
  • it is necessary to define a minimum reuse interval T which should be at least the length of one synchronous control channel period, and configure the minimum reuse interval T to the AT, and the AT does not need to receive the QuickConfig message when it receives the message. Waiting for 12 synchronous control channel periods to release the traffic channel connection, but after reaching the minimum reuse time interval T, the traffic channel connection is released, so that the AN reaches the minimum reuse time interval T after releasing the traffic channel resources, and then uses the MACIndex again. The access terminal does not cause the access terminal to monitor confusion.
  • the AT even if the AT is unable to demodulate the control channel packet due to poor air interface demodulation, etc., it is impossible to know whether the value of the corresponding ForwardTraffic Valid field in the QuickConfig message is changed. If the QuickConfig message is not obtained within the minimum reuse interval T, the AT considers that the connection can be released. If a QuickConfig message is received within the minimum reuse interval T, then the AT still trusts the ForwardTrafficValid field in the message and re-times the minimum reuse interval T.
  • FIG. 5 is a schematic diagram of establishing a service channel for multiple terminal reuse resources according to an embodiment of the present invention.
  • the AN establishes a traffic channel for the ATI by using MACIndex N, TA, TB and TC are the time points when the AN sends the QuickConfig message in the Overhead protocol to the AT on the forward control channel, that is, the starting point of the synchronous control channel period. If the AN releases the ATI service channel at time T2, the ATI should be at the TC time. The point receives the QuickConfig message carrying the release information.
  • the QuickConfig message If the QuickConfig message is received, it can determine that the traffic channel has been released according to the ForwardTrafficValid field therein, and the ATI releases the connection and no longer listens to the control channel. Since the minimum reuse time interval T is set to be the same as the synchronization control channel period length, if the ATI does not normally receive the QuickConfig message at the TC time point, it is considered that the minimum reuse time interval T is exceeded, and the ATI still releases the traffic channel connection, and no longer listens. Control channel. In this way, the AN does not generate the interference of the access terminal by using the MACIndex to establish a traffic channel for other ATs after the TC time. In Figure 5, the AN uses MACIndex N to establish a traffic channel for AT2 at time T3, which does not cause interference confusion of the access terminal.
  • T can be set to any value greater than or equal to the synchronization control channel period t according to actual needs. However, in order to reduce resource waste, it is better to set T as an integer multiple of the control channel period t.
  • T is usually set to be less than 12 synchronization control channel periods.
  • the T value can be set smaller, and the access network can perform resource reuse according to the minimum reuse time interval T, thereby increasing resource utilization and reducing
  • the waste of resources when the network is relatively idle, can set the T value to be larger, and thus provide better service for the access terminal that has established the traffic channel.
  • a minimum time interval attribute of the multiplexed MACIndex may be defined in the air interface protocol, and the value of the minimum reuse time interval T is carried by the attribute.
  • an attribute of the boosting port MACIndexReuseInterval. As shown in Table 2, the attribute is defined as follows: Attribute ID: Oxfb;
  • OxFF Length of M ACIndexReuselnterval, in units of a synchronous control channel cycle interval.
  • the M ACIndexReuselnterval attribute of the defined overhead message is also negotiated. If some access terminals do not support the attribute, the access terminal includes the access network to receive the transmission. After the negotiation request for the value of the minimum reuse interval T, no message is returned, or the default parameter 0x00 is returned, indicating that the interval is not limited. For the access terminal that supports the attribute, after receiving the negotiation request that includes the value of the minimum reuse time interval T sent by the access network, after confirming that the minimum re-use time interval T is successfully configured, the acknowledgment message is returned to the access network.
  • FIG. 6 is a second flowchart of a method for preventing an access terminal from listening to confusion according to an embodiment of the present invention. As shown in FIG. 6, the method for preventing an access terminal from listening to confusion according to an embodiment of the present invention includes the following steps:
  • Step S601 The access network establishes a traffic channel with the first access terminal by using the first resource, and sends a fast configuration message according to the control channel period t.
  • Step S602 Determine that the release of the traffic channel resource with the first access terminal reaches a minimum reuse. After the time interval T, the first resource is allowed to establish a traffic channel with the second access terminal, where the first access terminal releases the traffic channel connection when the fast configuration message is not received within the minimum reuse time interval, and t T .
  • FIG. 7 is a schematic structural diagram of a system for avoiding confusion of an access terminal in an embodiment of the present invention.
  • the system includes an access terminal 701 and an access network 702, where:
  • the access terminal 70 after the establishment of the traffic channel, listens to the control channel, receives the quick configuration message sent by the access network 702, and releases the service channel connection when the quick configuration message is not received within the minimum reuse time interval T, where T;
  • the access network 702 is configured to configure a minimum reuse time interval T, establish a traffic channel with the first access terminal by using the first resource, and send a fast configuration message according to the control channel period t; and determine a traffic channel with the first access terminal. After the resource release reaches the minimum reuse time interval T, the first resource is allowed to establish a traffic channel with the second access terminal.
  • the negotiation mode may be used.
  • the access network 702 is further configured to send a negotiation request including the value of the minimum reuse time interval T to the access terminal 701, and receive the connection.
  • the access terminal 701 is further configured to: receive a negotiation request that includes the value of the minimum reuse time interval T sent by the access network 702, and return an acknowledgement message to the access network 702 after confirming that the configured minimum reuse time interval T is successful. .
  • FIG. 8 is a schematic structural diagram of an apparatus for preventing an access terminal from listening to confusion according to an embodiment of the present invention.
  • the apparatus may be specifically an access terminal.
  • the apparatus includes a listening unit 801 and a releasing unit 802, where:
  • the monitoring unit 801 is configured to listen to the control channel after establishing the traffic channel, and receive the quick configuration message sent by the access network according to the control channel period t;
  • the releasing unit 802 is configured to not receive the quick configuration message within the minimum reuse time interval T When the traffic channel connection is released, the minimum reuse time interval T is the waiting time before the access network reuses the resources used by the currently established traffic channel to establish a traffic channel for other access terminals, and ⁇ .
  • the access terminal further includes: a configuration unit 803, configured to receive, when accessing the access network, a negotiation request that includes a value of a minimum reuse time interval ⁇ when accessing the access network, when the minimum re-use time interval ⁇ is required to be negotiated. And confirm the configuration minimum re-use interval ⁇ after successful, return a confirmation message to the access network.
  • a configuration unit 803 configured to receive, when accessing the access network, a negotiation request that includes a value of a minimum reuse time interval ⁇ when accessing the access network, when the minimum re-use time interval ⁇ is required to be negotiated. And confirm the configuration minimum re-use interval ⁇ after successful, return a confirmation message to the access network.
  • FIG. 9 is a schematic diagram of a structure of an apparatus for preventing an access terminal from listening to confusion according to an embodiment of the present invention.
  • the apparatus may be specifically an access network.
  • the apparatus includes a sending unit 901 and an establishing unit 902, where:
  • the sending unit 901 is configured to establish a traffic channel with the first access terminal by using the first resource, and send a quick configuration message according to the control channel period t.
  • the establishing unit 902 is configured to, after determining that the traffic channel resource release with the first access terminal reaches a minimum reuse time interval T, allow the first resource to establish a traffic channel with the second access terminal, where the first access terminal is When the quick configuration message is not received within the minimum reuse interval T, the traffic channel connection is released, and T.
  • the apparatus further includes: a negotiating unit 903, configured to send, when the access terminal accesses, a negotiation request that includes a value of a minimum reuse time interval ; when the access terminal accesses; The acknowledgement message returned by the receiving access terminal after confirming that the minimum re-use interval is configured.
  • a negotiating unit 903 configured to send, when the access terminal accesses, a negotiation request that includes a value of a minimum reuse time interval ; when the access terminal accesses; The acknowledgement message returned by the receiving access terminal after confirming that the minimum re-use interval is configured.
  • the embodiment of the invention provides a method, a system and a device for preventing an access terminal from listening to confusion.
  • the access network sets an appropriate minimum reuse time interval, and then notifies the access terminal of the time interval, and the access terminal is in the minimum reuse.
  • the connection is released, thereby shortening the minimum reuse interval, and the length of the QuickConfig message is shortened due to the increase of the resource reuse rate, thereby improving the network while reducing the confusion of the access terminal. Utilization of network resources.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

La présente invention concerne un procédé, un système et un dispositif destinés à éviter la confusion de surveillance d'un terminal d'accès, qui relèvent de la technologie des communications sans fil, et où un réseau d'accès fixe un intervalle de temps de réutilisation minimum approprié, et notifie l'intervalle de temps à un terminal d'accès. Si le terminal d'accès ne reçoit pas un message QuickConfig dans l'intervalle de temps de réutilisation minimum, le terminal d'accès libère la connexion, réduisant ainsi l'intervalle de temps de réutilisation minimum, et étant donné que le taux de réutilisation de la ressource peut ainsi être augmenté, la longueur du message QuickConfig peut être réduite en conséquence. Ainsi, le taux d'utilisation de la ressource réseau est augmenté, réduisant du même coup la confusion de surveillance du terminal d'accès.
PCT/CN2011/072688 2010-12-17 2011-04-12 Procédé, système et dispositif destinés à éviter la confusion de surveillance d'un terminal d'accès WO2012079323A1 (fr)

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CN201010593504.0A CN102026229B (zh) 2010-12-17 2010-12-17 一种避免接入终端监听混淆的方法、系统及装置

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CN104684035B (zh) * 2013-11-28 2018-05-25 中国电信股份有限公司 小区重选的方法、终端和系统
FR3046328B1 (fr) * 2015-12-28 2018-10-12 Sigfox Procede d’emission d’un message apres ecoute d’un canal de communication partage par des terminaux

Citations (3)

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WO2006109161A2 (fr) * 2005-04-15 2006-10-19 Nokia Corporation Procede et appareil de surveillance de canal de controle dans un systeme a porteuse multiple
CN101137242A (zh) * 2007-09-21 2008-03-05 华为技术有限公司 终端监听消息的时间段分配方法及接入网设备和接入终端
CN101765138A (zh) * 2009-12-17 2010-06-30 中兴通讯股份有限公司 一种实现多载波监听控制信道的方法及系统

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
WO2006109161A2 (fr) * 2005-04-15 2006-10-19 Nokia Corporation Procede et appareil de surveillance de canal de controle dans un systeme a porteuse multiple
CN101137242A (zh) * 2007-09-21 2008-03-05 华为技术有限公司 终端监听消息的时间段分配方法及接入网设备和接入终端
CN101765138A (zh) * 2009-12-17 2010-06-30 中兴通讯股份有限公司 一种实现多载波监听控制信道的方法及系统

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