CN103906193A - Method for configuring user equipment for discovery and selection of access network type - Google Patents
Method for configuring user equipment for discovery and selection of access network type Download PDFInfo
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- H04W48/02—Access restriction performed under specific conditions
- H04W48/04—Access restriction performed under specific conditions based on user or terminal location or mobility data, e.g. moving direction, speed
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Abstract
The invention relates to a method for configuring user equipment for discovery and selection of an access network type in a wireless communication network. The method includes the following steps: the user equipment discovers and selects a function node or strategic management node from an access network to receive a static or a semi-static strategy related with a movement speed; and the movement speed of the user equipment is estimated and a corresponding access network type is discovered and selected according to the movement speed and the strategy. According to the method in the invention, the movement speed of the user equipment is taken into consideration of access network discovery and selection functions, and thus a preferable access network can be selected reasonably according to the speed of the user equipment. Thus, one the one hand, network load balance and network unloading can be realized efficiently by means of the wireless communication network provided by a WLAN or a micro base station; and on the other hand, a network experience effect of a user can be greatly improved.
Description
Technical field
The present invention relates to wireless communication technology, particularly, relate to a kind of method that configure user equipment carries out access network type discovery and selection in cordless communication network.
Background technology
In order to meet ever-increasing network traffic, mobile operator more and more relies on WLAN technology.Because WLAN technology has the popularity of distribution and the availability of good frequency spectrum, by dispose multiple WLAN access points network traffic of unloaded cell net effectively in Cellular Networks, and can provide multiple different service.Fig. 1 shows the schematic diagram of the network architecture of the prior art, as seen from the figure, in such network environment, macro base station 110 provides the most basic network coverage (the shown part of point-like background in figure), what meanwhile, have a smaller power (having less network coverage (region marking with backslash in figure)) provides the network insertion more at a high speed may such as micro-base station or WLAN access point 121,122,123 and 124.Now, Network finding and selection are experienced particularly important for the user's of the subscriber equipment 130 in heterogeneous network 100 network reliably.
But the subscriber equipment in the Cellular Networks in being deployed with macro base station, micro-base station and WLAN access point has the selection of multiple accessible access network, at this moment just require subscriber equipment to judge voluntarily which kind of access network of access.In the prior art, access network discovery and selection function (Access Network Discovery and Selection Function:ANDSF) can be carried out this selection by assisting user equipment.But such selection is not taken the translational speed of mobile device into account.But, the translational speed of mobile device is vital for the selection of Access Network, for example, if the subscriber equipment in vehicles of running at high speed has been selected a wlan network that network coverage is less, but this user will be sailed out of the coverage of this wlan network after a period of time, at this moment the poor network of such as the network interruption etc. that causes user is experienced.As can be seen here, in the time that carrying out the discovery of Access Network and select, subscriber equipment considers that the translational speed of subscriber equipment is very important.It will have very important positive effect to the improvement of existing access network discovery and selection function.
In addition,, in Hotspot 2.0 standards of organizing to set up at Wi-Fi Alliance, equally do not formulate the wlan network selection strategy relevant to subscriber equipment translational speed yet.Therefore, the translational speed factor of subscriber equipment is brought into HotSpot 2.0 standards and experienced no less important to promoting user.
Summary of the invention
According to the understanding of the above-mentioned technical problem to background technology and existence, the present invention proposes a kind of method that configure user equipment carries out access network type discovery and selection in cordless communication network, described method comprises the steps:
A. described subscriber equipment receives the relevant static or semi-static strategy of translational speed from access network discovery with selection function node or tactical management node; And
B. estimate the translational speed of described subscriber equipment and find and select corresponding access network type according to described translational speed and described strategy.
According to method of the present invention, the speed of subscriber equipment is considered among access network discovery and selection function, thereby can reasonably have been selected preferred access network according to the speed of subscriber equipment.Thus, on the one hand, the cordless communication network that can provide by means of wlan network or micro-base station is realized network offload and load balance effectively; On the other hand, also can greatly promote user's network experience effect.
According in an embodiment of the present invention, the mobile communications network that described cordless communication network is isomery and at least comprise first access network with the first coverage and second access network with the second coverage.By this way, just can be applied to current application very widely among the mobile communications network of isomery according to method of the present invention, thereby the network that promotes user is experienced.
In a foundation embodiment of the present invention, described the first access network is macro base station, described the second access network is wlan network, wherein, described strategy comprises for the wlan network threshold value of described wlan network with for the first access priority of described wlan network, and at the first access priority described in described step b is:
When the translational speed of estimated described subscriber equipment is during higher than described wlan network threshold value, described subscriber equipment preferentially selects macro base station as access network;
When the translational speed of estimated described subscriber equipment is not during higher than described wlan network threshold value, described subscriber equipment correspondingly preferential choose WLAN network as access network.
By this way, comprise in the heterogeneous network of wlan network and macro base station, access network discovery and selection function node or tactical management node can issue Network finding and access strategy to subscriber equipment, and subscriber equipment can reasonably be selected suitable access network according to described strategy and the speed of himself.
In a foundation embodiment of the present invention, described wlan network threshold value comprises for the first threshold of the first type of service and for the Second Threshold of the second type of service, in the time that described subscriber equipment support accesses described the first access network and described the second access network simultaneously, at the first access priority described in described step b be:
For described the first type of service or described the second type of service,
When the translational speed of estimated described subscriber equipment is during respectively higher than described first threshold or described Second Threshold, described subscriber equipment correspondingly preferentially selects macro base station as access network;
When the translational speed of estimated described subscriber equipment is not during respectively higher than described first threshold or described Second Threshold, described subscriber equipment correspondingly preferential choose WLAN network as access network.
By this way, in considering different network coverages, also according to the difference of the type of the business on described subscriber equipment, thereby the difference to network response requires configuration and selects different Access Networks according to it, thereby effectively promotes the utilance of network and user's experience.
In a foundation embodiment of the present invention, described the first access network is macro base station, described the second access network is micro-base station, wherein, described strategy comprises for micro-base station threshold value of micro-base station with for the second access priority of described micro-base station, and at the second access priority described in described step b is:
When the translational speed of estimated described subscriber equipment is during higher than described micro-base station threshold value, described subscriber equipment preferentially selects macro base station as access network;
When the translational speed of estimated described subscriber equipment is not during higher than described micro-base station threshold value, described subscriber equipment is preferential selects micro-base station as access network.
By this way, comprise in the heterogeneous network of micro-base station and macro base station, access network discovery and selection function node or tactical management node can issue Network finding and access strategy to subscriber equipment, and subscriber equipment can reasonably be selected suitable access network according to described strategy and the speed of himself.
In a foundation embodiment of the present invention, described micro-base station threshold value comprises for the 3rd threshold value of the first type of service and for the 4th threshold value of the second type of service, in the time that described subscriber equipment support accesses described the first access network and described the second access network simultaneously, at the second access priority described in described step b be:
For described the first type of service or described the second type of service,
When the translational speed of estimated described subscriber equipment is during respectively higher than described the 3rd threshold value or described the 4th threshold value, described subscriber equipment correspondingly preferentially selects macro base station as access network;
In the time that the translational speed of estimated described subscriber equipment is distinguished not higher than described the 3rd threshold value or described the 4th threshold value, described subscriber equipment correspondingly preferentially selects micro-base station as access network.
By this way, in considering different network coverages, also according to the difference of the type of the business on described subscriber equipment, thereby the difference to network response requires configuration and selects different Access Networks according to it, thereby effectively promotes the utilance of network and user's experience.
In a foundation embodiment of the present invention, in described step a, described subscriber equipment receives the relevant static or semi-static described strategy of translational speed by routing policy between shift strategy between access network discovery information, system and/or system from described access network discovery and selection function node or tactical management node.
In a foundation embodiment of the present invention, described cordless communication network is wlan network.By this way, can be applied among the standard that WiFi alliance formulates according to method of the present invention, thereby optimize the access of wlan network.
According in an embodiment of the present invention, described strategy comprises for the wlan network access threshold value of described wlan network with for the 3rd access priority of described wlan network, and at the 3rd access priority described in described step b is:
In the time that the translational speed of estimated described subscriber equipment accesses threshold value higher than described wlan network, described subscriber equipment does not preferentially select described wlan network as access network;
When the translational speed of estimated described subscriber equipment is during higher than described wlan network access threshold value, described subscriber equipment correspondingly preferential choose WLAN network as access network.
According in an embodiment of the present invention, described wlan network access threshold value comprises for the 5th threshold value of the first type of service and for the 6th threshold value of the second type of service, at the 3rd access priority described in described step b is:
For described the first type of service or described the second type of service,
When the translational speed of estimated described subscriber equipment is during respectively higher than described the 5th threshold value or described the 6th threshold value, described subscriber equipment does not preferentially select described wlan network as access network;
In the time that the translational speed of estimated described subscriber equipment is distinguished not higher than described the 5th threshold value or described the 6th threshold value, the preferential choose WLAN network of described subscriber equipment is as access network.
In a foundation embodiment of the present invention, described the first type of service is the application of doing one's best, the application that described the second type of service is service-quality-sensitive, wherein, described first threshold, described the 3rd threshold value and described the 5th threshold value are respectively higher than described Second Threshold, described the 4th threshold value and described the 6th threshold value.
In sum, according to method of the present invention can be applied to pure wlan network, wlan network and macro base station network, micro base station network and macro base station network, even among the cordless communication network of the isomery such as wlan network, micro-base station and macro base station co-existin networks, in addition, can also corresponding priority rules be set for different types of service and find and select suitable Access Network.In foundation method of the present invention, the speed of subscriber equipment is considered among access network discovery and selection function, thereby can reasonably have been selected preferred access network according to the speed of subscriber equipment.Thus, on the one hand, thereby reducing the communication task of macro base station effectively, the cordless communication network that can provide by means of wlan network or micro-base station realized network offload; On the other hand, also can greatly promote user's network experience effect.
Accompanying drawing explanation
By reading the following detailed description to non-limiting example with reference to accompanying drawing, it is more obvious that other features, objects and advantages of the present invention will become.
Fig. 1 shows the schematic diagram of the network architecture of the prior art; And
Fig. 2 shows the flow chart according to method of the present invention.
In the drawings, run through different diagrams, same or similar Reference numeral represents same or analogous device (module) or step.
Embodiment
Fig. 1 shows the schematic diagram of the network architecture of the prior art.This network architecture was at large described in background technology part, did not repeat them here.
Fig. 2 shows the flow chart according to method of the present invention.Can be found out by this flow chart, comprise the following steps according to method 200 of the present invention:
First,, in step 210, subscriber equipment receives the relevant static or semi-static strategy of translational speed from access network discovery with selection function node or tactical management node; And
Then,, in step 220, estimate the translational speed of this subscriber equipment and find and select corresponding access network type according to this translational speed and received strategy.
According to method of the present invention, this vital factor of the speed of subscriber equipment is considered among access network discovery and selection function, thereby can reasonably have been selected preferred access network according to the speed of subscriber equipment.Thus, on the one hand, the cordless communication network that can provide by means of wlan network or micro-base station reduces the communication flows task burden of macro base station effectively; On the other hand, also can greatly promote user's network experience effect.
Preferably, according in an embodiment of the present invention, the mobile communications network that cordless communication network is isomery and at least comprise first access network with the first coverage and second access network with the second coverage.By this way, just can be applied to current application very widely among the mobile communications network of isomery according to method of the present invention, thereby the network that promotes user is experienced.
Particularly preferably, this first access network can be macro base station, and the second access network can be wlan network, now, this strategy comprises for the wlan network threshold value of wlan network with for the first access priority of described wlan network, and the first access priority in above-mentioned steps 220 is:
When the translational speed of estimated subscriber equipment is during higher than set wlan network threshold value, subscriber equipment preferentially selects macro base station as access network;
When the translational speed of estimated subscriber equipment is not during higher than set wlan network threshold value, subscriber equipment correspondingly preferential choose WLAN network as access network.
By this way, comprising in the heterogeneous network of wlan network and macro base station, access network discovery and selection function node or tactical management node can issue Network finding and access strategy to subscriber equipment, subscriber equipment can reasonably be selected suitable access network according to described strategy and the speed of himself, thereby effectively promotes the user's of this subscriber equipment network experience impression.
Further, this wlan network threshold value can comprise for the first threshold of the first type of service and for the Second Threshold of the second type of service, in the time that subscriber equipment support accesses the first access network and the second access network simultaneously, the first access priority in above-mentioned steps 220 is:
For the first type of service or the second type of service,
When the translational speed of estimated subscriber equipment is during respectively higher than described first threshold or described Second Threshold, subscriber equipment correspondingly preferentially selects macro base station as access network;
When the translational speed of estimated subscriber equipment is not during respectively higher than first threshold or described Second Threshold, subscriber equipment correspondingly preferential choose WLAN network as access network.
Under these circumstances, when the translational speed of mobile device is during higher than first threshold and Second Threshold, subscriber equipment will be that the first business and the second type of service all select macro base station as access network; In the time that the translational speed of mobile device is between first threshold and Second Threshold, subscriber equipment will be that the first business and the second type of service are selected different access networks, and concrete condition is depending on the height of first threshold and Second Threshold; And when the translational speed of mobile device is during lower than first threshold and Second Threshold, subscriber equipment will be that the first business and the equal choose WLAN network of the second type of service are as access network.
By this way, in considering different network coverages, also according to the difference of the type of the business on described subscriber equipment, thereby the difference to network response requires configuration and selects different Access Networks according to it, thereby effectively promotes the utilance of network and user's experience.
Particularly preferably, in foundation another embodiment of the present invention, the first access network is macro base station, the second access network is micro-base station, now, strategy comprises for micro-base station threshold value of micro-base station with for the second access priority of micro-base station, and the second access priority in above-mentioned steps 220 is:
When the translational speed of estimated subscriber equipment is during higher than micro-base station threshold value, subscriber equipment preferentially selects macro base station as access network;
When the translational speed of estimated described subscriber equipment is not during higher than micro-base station threshold value, subscriber equipment preferentially selects micro-base station as access network.
By this way, comprising in the heterogeneous network of micro-base station and macro base station, access network discovery and selection function node or tactical management node can issue Network finding and access strategy to subscriber equipment, subscriber equipment can reasonably be selected suitable access network according to described strategy and the speed of himself, thereby effectively promotes the user's of this subscriber equipment network experience impression.
Further, micro-base station threshold value comprises for the 3rd threshold value of the first type of service and for the 4th threshold value of the second type of service, in the time that subscriber equipment support accesses described the first access network and described the second access network simultaneously, the second access priority in above-mentioned steps 220 is:
For described the first type of service or described the second type of service,
When the translational speed of estimated subscriber equipment is during respectively higher than the 3rd threshold value or the 4th threshold value, subscriber equipment correspondingly preferentially selects macro base station as access network;
In the time that the translational speed of estimated subscriber equipment is distinguished not higher than the 3rd threshold value or the 4th threshold value, subscriber equipment correspondingly preferentially selects micro-base station as access network.
Under these circumstances, when the translational speed of mobile device is during higher than the 3rd threshold value and the 4th threshold value, subscriber equipment will be that the first business and the second type of service all select macro base station as access network; In the time that the translational speed of mobile device is between the 3rd threshold value and the 4th threshold value, subscriber equipment will be that the first business and the second type of service are selected different access networks, and concrete condition is depending on the height of the 3rd threshold value and the 4th threshold value; And when the translational speed of mobile device is during lower than the 3rd threshold value and the 4th threshold value, subscriber equipment will be that the first business and the second type of service all select micro-base station as access network.
Those skilled in the art is to be understood that, the cordless communication network of this isomery can be also the heterogeneous network that wlan network, micro-base station and macro base station form, or the communication network of the isomery that comprises more network type, now, for each network type, a network insertion threshold value is all set, the transmitting power of the signal launch point of the size of this network insertion threshold value and corresponding network insertion type, the network coverage of this signal launch point arranges relevantly.Equally, can different network insertion threshold values be set to multiple business type.In addition, also can be according to user the difference of the requirement to network and translational speed, priority option is arranged to the different grades such as height/higher/medium/lower/low, the above embodiments can be applied in combination.
In a foundation embodiment of the present invention, in above-mentioned steps 210, subscriber equipment receives the relevant static or semi-static strategy of translational speed by routing policy between shift strategy between access network discovery information, system and/or system from access network discovery and selection function node or tactical management node.
In a foundation embodiment of the present invention, described cordless communication network is wlan network.By this way, for example can be applied to, among the standard (WiFi Hotspot 2.0) that WiFi alliance formulates according to method of the present invention, thereby optimize the access of wlan network.Particularly, now strategy comprises for the wlan network access threshold value of described wlan network with for the 3rd access priority of described wlan network, and the 3rd access priority in above-mentioned steps 220 is:
In the time that the translational speed of estimated subscriber equipment accesses threshold value higher than wlan network, subscriber equipment does not preferentially select described wlan network as access network;
When the translational speed of estimated subscriber equipment is not during higher than wlan network threshold value, subscriber equipment correspondingly preferential choose WLAN network as access network.
Further, according in an embodiment of the present invention, wlan network access threshold value can comprise that the 3rd access priority in above-mentioned steps 220 is for the 5th threshold value of the first type of service and for the 6th threshold value of the second type of service:
For the first type of service or the second type of service,
When the translational speed of estimated subscriber equipment is during respectively higher than the 5th threshold value or the 6th threshold value, subscriber equipment does not preferentially select described wlan network as access network;
In the time that the translational speed of estimated subscriber equipment is distinguished not higher than the 5th threshold value or the 6th threshold value, the preferential choose WLAN network of subscriber equipment is as access network.
By this way, not only can be applied to the cordless communication network of isomery according to method of the present invention, can be applied among pure wlan network equally, thereby from whether allowing the source of access to reduce the frequent switching of network or the frequent extra burden causing to wlan network that accesses.
In the above-described embodiments, the first type of service is the application (Best-EffortApplication) of doing one's best, and the second type of service is the responsive application of service quality (QoS), wherein, first threshold, the 3rd threshold value and the 5th threshold value are respectively higher than Second Threshold, the 4th threshold value and the 6th threshold value.
In sum, according to method of the present invention can be applied to pure wlan network, wlan network and macro base station network, micro base station network and macro base station net, even among the cordless communication network of the isomery such as wlan network, micro-base station and macro base station co-existin networks, in addition, can also corresponding priority rules be set for different types of service and find and select suitable Access Network.In foundation method of the present invention, the speed of subscriber equipment is considered among access network discovery and selection function, thereby can reasonably have been selected preferred access network according to the speed of subscriber equipment.Thus, on the one hand, the communication flows task burden that the cordless communication network that can provide by means of wlan network or micro-base station reduces macro base station has effectively realized load unloading; On the other hand, also can greatly promote user's network experience effect.
In the specific descriptions of following preferred embodiment, with reference to the appended accompanying drawing that forms a part of the present invention.Appended accompanying drawing shows by way of example can realize specific embodiment of the present invention.The embodiment of example is not intended to limit according to all embodiment of the present invention.Be appreciated that not departing under the prerequisite of scope of the present invention, can utilize other embodiment, also can carry out the modification of structural or logicality.Therefore, following specific descriptions are also nonrestrictive, and scope of the present invention is limited by appended claim.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and in the situation that not deviating from spirit of the present invention or essential characteristic, can realize the present invention with other concrete form.Therefore, in any case, all should regard embodiment as exemplary, and be nonrestrictive.In addition, significantly, " comprising ", other elements and step do not got rid of in a word, and wording " one " is not got rid of plural number.Multiple elements of stating in device claim also can be realized by an element.The first, the second word such as grade is used for representing title, and does not represent any specific order.
Claims (11)
1. the method that configure user equipment carries out access network type discovery and selection in cordless communication network, described method comprises the steps:
A. described subscriber equipment receives the relevant static or semi-static strategy of translational speed from access network discovery with selection function node or tactical management node; And
B. estimate the translational speed of described subscriber equipment and find and select corresponding access network type according to described translational speed and described strategy.
2. method according to claim 1, wherein, the mobile communications network that described cordless communication network is isomery and at least comprise first access network with the first coverage and second access network with the second coverage.
3. method according to claim 2, wherein, described the first access network is macro base station, described the second access network is wlan network, wherein, described strategy comprises for the wlan network threshold value of described wlan network with for the first access priority of described wlan network, and at the first access priority described in described step b is:
When the translational speed of estimated described subscriber equipment is during higher than described wlan network threshold value, described subscriber equipment preferentially selects macro base station as access network;
When the translational speed of estimated described subscriber equipment is not during higher than described wlan network threshold value, described subscriber equipment correspondingly preferential choose WLAN network as access network.
4. method according to claim 3, wherein, described wlan network threshold value comprises for the first threshold of the first type of service and for the Second Threshold of the second type of service, in the time that described subscriber equipment support accesses described the first access network and described the second access network simultaneously, at the first access priority described in described step b be:
For described the first type of service or described the second type of service,
When the translational speed of estimated described subscriber equipment is during respectively higher than described first threshold or described Second Threshold, described subscriber equipment correspondingly preferentially selects macro base station as access network;
When the translational speed of estimated described subscriber equipment is not during respectively higher than described first threshold or described Second Threshold, described subscriber equipment correspondingly preferential choose WLAN network as access network.
5. method according to claim 2, wherein, described the first access network is macro base station, described the second access network is micro-base station, wherein, described strategy comprises for micro-base station threshold value of micro-base station with for the second access priority of described micro-base station, and at the second access priority described in described step b is:
When the translational speed of estimated described subscriber equipment is during higher than described micro-base station threshold value, described subscriber equipment preferentially selects macro base station as access network;
When the translational speed of estimated described subscriber equipment is not during higher than described micro-base station threshold value, described subscriber equipment is preferential selects micro-base station as access network.
6. method according to claim 5, wherein, described micro-base station threshold value comprises for the 3rd threshold value of the first type of service and for the 4th threshold value of the second type of service, in the time that described subscriber equipment support accesses described the first access network and described the second access network simultaneously, at the second access priority described in described step b be:
For described the first type of service or described the second type of service,
When the translational speed of estimated described subscriber equipment is during respectively higher than described the 3rd threshold value or described the 4th threshold value, described subscriber equipment correspondingly preferentially selects macro base station as access network;
In the time that the translational speed of estimated described subscriber equipment is distinguished not higher than described the 3rd threshold value or described the 4th threshold value, described subscriber equipment correspondingly preferentially selects micro-base station as access network.
7. method according to claim 1, wherein, in described step a, described subscriber equipment receives the relevant static or semi-static described strategy of translational speed by routing policy between shift strategy between access network discovery information, system and/or system from described access network discovery and selection function node or tactical management node.
8. method according to claim 1, wherein, described cordless communication network is wlan network.
9. method according to claim 8, wherein, described strategy comprises for the wlan network access threshold value of described wlan network with for the 3rd access priority of described wlan network, and at the 3rd access priority described in described step b is:
In the time that the translational speed of estimated described subscriber equipment accesses threshold value higher than described wlan network, described subscriber equipment does not preferentially select described wlan network as access network;
When the translational speed of estimated described subscriber equipment is during higher than described wlan network access threshold value, described subscriber equipment correspondingly preferential choose WLAN network as access network.
10. method according to claim 9, wherein, described wlan network access threshold value comprises for the 5th threshold value of the first type of service and for the 6th threshold value of the second type of service, at the 3rd access priority described in described step b is:
For described the first type of service or described the second type of service,
When the translational speed of estimated described subscriber equipment is during respectively higher than described the 5th threshold value or described the 6th threshold value, described subscriber equipment does not preferentially select described wlan network as access network;
In the time that the translational speed of estimated described subscriber equipment is distinguished not higher than described the 5th threshold value or described the 6th threshold value, the preferential choose WLAN network of described subscriber equipment is as access network.
11. according to the method described in any one in claim 4,6 and 10, wherein, described the first type of service is the application of doing one's best, the application that described the second type of service is service-quality-sensitive, wherein, described first threshold, described the 3rd threshold value and described the 5th threshold value are respectively higher than described Second Threshold, described the 4th threshold value and described the 6th threshold value.
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| CN201210576995.7A CN103906193A (en) | 2012-12-26 | 2012-12-26 | Method for configuring user equipment for discovery and selection of access network type |
| PCT/IB2013/002943 WO2014102598A2 (en) | 2012-12-26 | 2013-12-20 | Method for configuring ue to discover and select the type of access of access network |
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| CN106658615B (en) * | 2016-10-26 | 2019-09-13 | Oppo广东移动通信有限公司 | A kind of method and device switching communication network |
| CN106658615A (en) * | 2016-10-26 | 2017-05-10 | 广东欧珀移动通信有限公司 | Method and device for switching communication network |
| CN107231634A (en) * | 2017-05-31 | 2017-10-03 | 北京邮电大学 | Frequency spectrum resource allocation method and device in a kind of Vehicular communication system |
| CN107231634B (en) * | 2017-05-31 | 2020-03-20 | 北京邮电大学 | Spectrum resource allocation method and device in vehicle-mounted communication system |
| CN108401523A (en) * | 2017-12-21 | 2018-08-14 | 北京小米移动软件有限公司 | Cell accessing method and device |
| US11382032B2 (en) | 2017-12-21 | 2022-07-05 | Beijing Xiaomi Mobile Software Co., Ltd. | Cell access method and apparatus |
| CN110572860A (en) * | 2018-06-06 | 2019-12-13 | 中国电信股份有限公司 | Method for selecting access network, core network device and storage medium |
| CN112449311A (en) * | 2019-08-31 | 2021-03-05 | 华为技术有限公司 | Communication method, device and system |
| CN112449311B (en) * | 2019-08-31 | 2022-02-11 | 华为技术有限公司 | Communication method, device and system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014102598A2 (en) | 2014-07-03 |
| WO2014102598A3 (en) | 2014-10-23 |
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