WO2012129977A1 - 异系统间的重定向方法及系统 - Google Patents
异系统间的重定向方法及系统 Download PDFInfo
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- WO2012129977A1 WO2012129977A1 PCT/CN2012/070536 CN2012070536W WO2012129977A1 WO 2012129977 A1 WO2012129977 A1 WO 2012129977A1 CN 2012070536 W CN2012070536 W CN 2012070536W WO 2012129977 A1 WO2012129977 A1 WO 2012129977A1
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- Prior art keywords
- terminal
- message
- redirection
- base station
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/18—Selecting a network or a communication service
Definitions
- the present invention relates to the field of communications, and in particular to a method and system for redirecting between different systems.
- CDMA Code Division Multiple Access
- LTE Long Term Evolution
- the HRPD network should provide a mechanism to instruct the terminal to reselect through the network. Enter the adjacent LTE network. Basically, the HRPD network should send the configured neighboring system information to the terminal through the common overhead channel or the dedicated traffic channel. After receiving the information, the terminal can perform the pilot measurement of the different system by itself and according to the neighbor information. The control information such as the threshold or priority comes from the line to decide whether to switch to the adjacent different system.
- HRPD High Speed Packet Data
- FIG. 1 is a schematic diagram of a network in an initial stage of LTE network deployment according to the related art.
- an HRPD network is a full-network coverage, and LTE performs local hotspot coverage.
- the signal strength and signal quality of the HRPD network are always Very good, in this case, depending on the autonomous measurement and reselection mechanism of the terminal, the terminal may always select the HRPD network, which will result in lower utilization of the LTE network.
- 2 is a schematic diagram of a network for large-scale deployment of an LTE network according to the related art. As shown in FIG.
- the coverage of the LTE network is greater than that of the HRPD network.
- the operator may wish to turn off the HRPD base station and redirect the user of the HRPD base station to the LTE network, but in this case, rely on the autonomous measurement and reselection of the terminal.
- the terminal may also always choose the HRPD network.
- the network may wish to be able to redirect some of the terminals to the LTE system; or, for certain application types of the terminal, such as video services requiring high bandwidth, the network may wish to pass the high-bandwidth LTE network. It provides a higher quality service.
- a primary object of the present invention is to provide a redirection scheme between different systems to at least solve the problem in the related art in the HRPD network in which the terminal autonomously performs the reselection of the different system network.
- a method for redirecting between different systems including: the base station sends a first message to the terminal, instructing the terminal to perform a redirection operation; and the terminal accesses the redirection network, where the first message carries There are at least one of the following: a radio access technology type, a redirection identifier, a redirection threshold information, a redirected cell identification information, a carrier frequency information, a redirection failure return indication, and a group redirection information.
- the method before the terminal accesses the redirection network, the method further includes: the terminal starts the measurement operation, and determines that the measurement result satisfies the redirection condition.
- the method further includes: the base station sending the redirection condition to the terminal.
- the method further includes: the base station sending a second message to the terminal, instructing the terminal to report the measurement result; the terminal returns a third message to the base station, where the third message carries the measurement of the terminal.
- the base station determines, according to the measurement result, that the terminal needs to perform a redirection operation, where the measurement result includes at least one of the following: cell identification information, carrier frequency information, signal quality information, and signal strength information.
- the determining, by the base station, that the terminal needs to perform the redirection operation according to the measurement result comprises: determining, by the base station, that the terminal needs to perform a redirection operation according to the measurement result and the network running condition.
- the method further includes: the base station selecting one or more redirected cells according to the measurement result, and notifying the one or more redirected cells by using the first message terminal.
- the second message is one of the following: another radio access technology neighbor list message, a route update request message.
- the third message is one of the following: a measurement report message, a route update message.
- the first message is one of the following: another radio access technology neighbor list message, a radio access technology redirection message, and a redirect message.
- the sending, by the base station, the first message to the terminal includes: sending, by the base station, the first message by means of broadcast or unicast.
- a redirection system between different systems including: a base station and a terminal, where the base station is configured to send a first message to the terminal, instructing the terminal to perform a redirection operation; and the terminal is set to After receiving the first message, access to the redirected network.
- a terminal including: a first receiving module, configured to receive a first message from a base station, where the first message is used to instruct a terminal to perform a redirection operation; an access module, setting After receiving the first message, accessing the redirected network, where the first message carries at least one of the following: a radio access technology type, an identifier for redirection, a redirection threshold information, and a redirected cell identification information. , carrier frequency information, redirection failure return indication, group redirection information.
- the terminal can support multiple modes.
- the terminal further includes: a second receiving module, configured to receive a second message from the base station, where the second message indicates that the terminal reports the measurement result; and the sending module is configured to send a third message to the base station, where the third The message carries the measurement result of the terminal, where the measurement result includes at least one of the following: cell identification information, carrier frequency information, signal quality information, and signal strength information.
- FIG. 1 is a schematic diagram of a network in an initial stage of LTE network deployment according to the related art
- FIG. 2 is a schematic diagram of a network deployed in a large-scale manner according to the related art
- FIG. 3 is a schematic diagram of different systems according to an embodiment of the present invention.
- FIG. 4 is a schematic diagram of a redirection method of terminal assisted network control according to an embodiment of the present invention
- FIG. 5 is a schematic diagram of a redirection method controlled by a network assisted terminal according to an embodiment of the present invention
- FIG. 7 is a flowchart of redirection of network assisted terminal control according to an embodiment of the present invention
- FIG. 8 is a structural block diagram of a redirection system between different systems according to an embodiment of the present invention.
- FIG. 3 is a flowchart of a method for redirecting between different systems according to an embodiment of the present invention. As shown in FIG. 3, the method includes the following steps S302 to S304.
- Step S302 The base station sends a first message to the terminal, instructing the terminal to perform a redirection operation.
- Step S304 the terminal accesses the redirected network.
- the base station instructs the terminal to perform the redirection operation, thereby avoiding a series of problems generated when the terminal autonomously performs the reselection of the different system network. For example, when the HRPD network load is high, the base station instructs the mobile terminal to perform redirection. In order to reduce the load on the network and ensure the quality of service of users.
- the terminal starts the measurement operation in response to the first message, and when the measurement result determines that the measurement condition meets the redirection condition, the terminal accesses the redirect network.
- the terminal further determines whether the redirection should be performed according to the measurement result, so that the redirection of the network can be performed more stably.
- the base station sends the foregoing redirection condition to the terminal. For example, the base station sends a redirect message to the terminal by using the first message.
- the base station before the base station sends the first message to the terminal, the following operations may be performed: the base station sends a second message to the terminal, instructing the terminal to report the measurement result; and the terminal returns a third message to the base station, The third message carries the measurement result of the terminal, and the measurement result is the measurement result that the base station requests to report; the base station determines, according to the measurement result, that the terminal needs to perform the redirection operation.
- the determining, by the base station, that the terminal needs to perform the redirection operation according to the measurement result may include: determining, by the base station, that the terminal needs to perform a redirection operation according to the measurement result and the network running condition.
- the network operation status may be the network load, the type of service provided for the terminal, and the like.
- the base station may further select one or more redirected cells according to the measurement result, and then notify the one or more redirected cells by using the first message.
- the second message may be another radio access technology neighbor list message or a route update request message.
- the third message may be a measurement report message or a route update message.
- the foregoing measurement result may include at least one of the following: cell identification information, carrier frequency information, signal quality information, and signal strength information.
- the first message may be one of the following: another radio access technology neighbor list message, a radio access technology redirection message, and a redirect message.
- the first message may carry at least one of the following: a radio access technology type, an identifier of redirection, redirection threshold information, redirection cell identification information, carrier frequency information, redirection failure return indication, group redirection information.
- the sending, by the base station, the first message to the terminal includes: sending, by the base station, the first message to the terminal by using a broadcast or a unicast manner.
- Step S402 The base station sends a second message to the terminal, where the second message carries indication information for causing the terminal to report the measurement result.
- Step S404 The terminal sends a third message to the base station, where the third message carries the measurement result information.
- Step S406 The base station sends a first message to the terminal, where the first message carries information for redirection. Then, the terminal can perform a redirection operation.
- Method Embodiment 2 According to an embodiment of the present invention, a network assisted terminal control redirection method is provided.
- FIG. 1 a network assisted terminal control redirection method is provided.
- Step S502 The base station sends a first message to the terminal, where the first message carries redirection system information for causing the terminal to perform a redirection operation.
- Step S504 The terminal receives the first message sent by the base station, and starts a measurement operation. If the measurement result satisfies the redirection threshold required by the base station, the terminal accesses the corresponding system (that is, redirects the network).
- the HRPD system is used to instruct the mobile terminal to redirect to the LTE system as an example.
- FIG. 6 is a flowchart of redirection of a network control terminal assisted by an HRPD system according to Embodiment 1 of the present invention. As shown in FIG. 6, the process includes the following steps S602 to S612. Step S602, the mobile terminal is located in the HRPD system, and is in an idle or connected state. Step S604, the mobile terminal moves to an overlapping area covered by the HRPD system and the LTE system. Step S606: The HRPD system hopes to redirect the terminal according to information such as the current system load or the service type of the terminal.
- the base station sends a neighboring cell list message to the terminal, where the message includes the indication information that the terminal is required to report the measurement result, and the message further includes information about the network that the terminal is required to measure, for example, carrier frequency information, threshold information, and the like. It should be noted that, in this step, the base station may also send other messages carrying the same content to the terminal, for example, a route update request message. Step S608, after receiving the message including the measurement result reporting indication, the terminal starts the measurement operation, and reports the measurement result to the base station; the measurement result includes at least one of the following: sector information, carrier frequency information, signal strength information, and signal Quality information, etc.
- Step S610 After receiving the message that the terminal reports the measurement result, the base station combines one or a combination of the following: signal strength, signal quality, sector load, terminal service type, and the like, and selects the redirected target sector, if the terminal When a plurality of sectors are reported, the base station sorts the sectors by priority, and transmits the selected redirect target sector to the terminal through a message for redirection. Step S612, the terminal is redirected to the LTE system. If the terminal is in the connected state, optionally, the release message may be sent to the HRPD system before being redirected to the LTE system. The terminal may send a release message to the current base station before accessing the redirected network (LTE network). .
- LTE network redirected network
- Example 2 the HRPD system is used to indicate that the mobile terminal is redirected to the LTE system as an example.
- the embodiment is not limited thereto, and the content and implementation manners in this embodiment are the same. Applicable to the HRPD system to indicate the system redirection requirements of the terminal to other wireless access technologies.
- FIG. 7 is a flowchart of redirection of network-assisted terminal control based on HRPD system according to Embodiment 2 of the present invention. As shown in FIG. 7, the flow includes the following steps S702 to S708. Step S702, the mobile terminal is located in the HRPD system, and is in an idle or connected state. Step S704, the mobile terminal moves to the overlapping area covered by the HRPD system and the LTE system.
- Step S706 The HRPD system hopes to redirect the terminal according to information such as the current system load or the service type of the terminal.
- the base station sends a neighboring cell list message to the terminal, where the message includes the information indicating that the terminal is redirected, and the message further includes information about the network that the terminal is required to measure, for example, carrier frequency information, threshold information, and the like. It should be noted that, in this step, the base station may also send other messages carrying the same content to the terminal, for example, a route update request message.
- Step S708 After receiving the message including the redirection indication, the terminal starts the measurement operation.
- FIG. 8 is a structural block diagram of a redirection system between different systems according to an embodiment of the present invention. As shown in FIG.
- the system includes: a base station 82 and a terminal 84, where the base station 82 is configured to send a first message to the terminal, Instructing the terminal to perform a redirection operation; the terminal 84, coupled to the base station 82, is configured to access the redirected network after receiving the first message.
- the terminal 84 is further configured to initiate a measurement operation to determine that the measurement result satisfies the redirection condition before accessing the redirection network.
- base station 82 is arranged to transmit the above redirection conditions to terminal 84.
- the base station 82 is configured to send a second message to the terminal 84, instructing the terminal 84 to report the measurement result; the terminal 84 is configured to return a third message to the base station 82, wherein the third message carries The measurement result of the terminal 84; the base station 82 is arranged to determine that the terminal 84 needs to perform a redirection operation according to the measurement result; then, the base station 82 transmits the first message to the terminal.
- the base station 82 is further configured to determine that the terminal 84 needs to perform a redirection operation according to the measurement result and the network running condition, where the network running condition may be a network load, a service type provided for the terminal, and the like.
- the base station 82 is further configured to select one or more redirected cells according to the measurement result, and notify one or more redirected cells by using the first message.
- the second message may be another radio access technology neighbor list message or a route update request message.
- the third message may be a measurement report message or a route update message.
- the foregoing measurement result may include at least one of the following: cell identification information, carrier frequency information, signal quality information, and signal strength information.
- the first message may be one of the following: another radio access technology neighbor list message, a radio access technology redirection message, and a redirect message.
- the first message may carry at least one of the following: a radio access technology type, an identifier of redirection, redirection threshold information, redirection cell identification information, carrier frequency information, redirection failure return indication, group redirection information.
- the base station 82 is further configured to send the first message to the terminal 84 by means of broadcast or unicast.
- a terminal that can implement the functions of the terminal 84. The terminal can support multiple modes.
- the terminal includes: a first receiving module, configured to receive a first message from the base station, where the first message is used to instruct the terminal to perform a redirection operation; and the access module is configured to: after receiving the first message, accessing Redirecting the network, where the first message carries at least one of the following: a radio access technology type, an redirected identifier, a redirection threshold information, a redirected cell identification information, a carrier frequency information, a redirection failure return indication, and a Group redirection information.
- the terminal can support multiple modes.
- the terminal further includes: a second receiving module, configured to receive a second message from the base station, where the second message indicates that the terminal reports the measurement result; and the sending module is configured to send, by the terminal, a third message to the base station, where The third message carries the measurement result of the terminal, where the measurement result includes at least one of the following: cell identification information, carrier frequency information, signal quality information, and signal strength information.
- the HRPD network can redirect some mobile terminals in the local network to other networks, thereby reducing the load on the network, and on the other hand, allowing the terminal to be in other services for certain service types.
- modules or steps of the present invention can be implemented by a general-purpose computing device, which can be concentrated on a single computing device or distributed over a network composed of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device, such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
- the steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps are fabricated as a single integrated circuit module.
- the invention is not limited to any specific combination of hardware and software.
- the above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.
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JP2014501405A JP6200412B2 (ja) | 2011-03-29 | 2012-01-18 | 異種システム間のリダイレクション方法及びシステム |
US14/008,613 US20140092867A1 (en) | 2011-03-29 | 2012-01-18 | Method and system for redirection between disparate systems |
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CN201110077322.2 | 2011-03-29 | ||
CN2011100773222A CN102143560A (zh) | 2011-03-29 | 2011-03-29 | 异系统间的重定向方法及系统 |
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WO2012129977A1 true WO2012129977A1 (zh) | 2012-10-04 |
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WO (1) | WO2012129977A1 (zh) |
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CN102143560A (zh) * | 2011-03-29 | 2011-08-03 | 中兴通讯股份有限公司 | 异系统间的重定向方法及系统 |
CN103249101B (zh) * | 2012-02-06 | 2018-04-20 | 中兴通讯股份有限公司 | 一种从umts重定向到lte的方法及系统 |
CN103313410B (zh) * | 2012-03-14 | 2018-01-30 | 中兴通讯股份有限公司 | 一种协调调度方法和装置 |
CN103369615B (zh) | 2012-04-06 | 2019-12-31 | 中兴通讯股份有限公司 | 一种多模终端信息处理方法及多模终端 |
CN103391591B (zh) * | 2012-05-09 | 2018-04-27 | 中兴通讯股份有限公司 | 重定向指示方法和无线网络控制器,接入方法和用户设备 |
CN103582059A (zh) * | 2012-07-19 | 2014-02-12 | 中兴通讯股份有限公司 | 重定向的方法及装置、移动终端、基站 |
CN103582018A (zh) * | 2012-08-03 | 2014-02-12 | 华为技术有限公司 | 一种系统间负荷控制方法、接入设备及用户设备 |
CN103686878A (zh) * | 2012-08-30 | 2014-03-26 | 中兴通讯股份有限公司 | 重定向的方法及装置、终端、基站 |
EP2911452B1 (en) * | 2012-10-26 | 2018-06-06 | Huawei Technologies Co., Ltd. | Method, device and system for redirecting air interface connection between systems |
CN103856998A (zh) * | 2012-12-05 | 2014-06-11 | 华为技术有限公司 | 一种用户切换方法、通信系统以及相关装置 |
US9955403B2 (en) | 2012-12-20 | 2018-04-24 | Lg Electronics Inc. | Method for communicating in wireless communication system supporting multiple access network and apparatus supporting same |
CN103916923B (zh) * | 2013-01-04 | 2018-08-24 | 中国移动通信集团公司 | 一种多模网络状态下终端进行重定向的方法、设备和系统 |
CN105491634A (zh) * | 2016-01-05 | 2016-04-13 | 努比亚技术有限公司 | 一种终端及终端切换网络的方法 |
CN107635260B (zh) * | 2016-07-19 | 2021-05-28 | 中兴通讯股份有限公司 | 电路域回落csfb重定向方法、装置、终端及系统 |
CN114980226B (zh) | 2018-06-26 | 2024-07-23 | 华为技术有限公司 | 重定向的方法、通信系统和通信装置 |
CN111669790A (zh) * | 2019-03-08 | 2020-09-15 | 中国移动通信有限公司研究院 | 小区重选或重定向方法、装置、网络侧设备及终端 |
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JP2014512747A (ja) | 2014-05-22 |
CN102143560A (zh) | 2011-08-03 |
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