CN104284432A - Method and device for utilizing asymmetrical frequency band resource - Google Patents
Method and device for utilizing asymmetrical frequency band resource Download PDFInfo
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- CN104284432A CN104284432A CN201410515908.6A CN201410515908A CN104284432A CN 104284432 A CN104284432 A CN 104284432A CN 201410515908 A CN201410515908 A CN 201410515908A CN 104284432 A CN104284432 A CN 104284432A
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- user terminal
- band
- resource
- band downlink
- frequency range
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
Abstract
The invention discloses a method and device for utilizing an asymmetrical frequency band resource, and relates to the technical field of wireless communication. According to the method and device for utilizing the asymmetrical frequency band resource, when an operator utilizes the asymmetrical resource, investment cost is obviously reduced. The method comprises the steps that after the position of a physical resource of an uplink random access channel is obtained, an access request sent by a user terminal according to the position of the physical resource is received, and an uplink frequency band resource is assigned to the user terminal according to the access request of the user terminal. The downlink frequency bands corresponding to the uplink frequency band at least comprise the first downlink frequency band and the second downlink frequency band, wherein the first downlink frequency band and the uplink frequency band are symmetrical frequency bands, and the second downlink frequency band is an asymmetrical frequency band. The method and device for utilizing the asymmetrical frequency band resource are mainly applied to a resource utilization process of the asymmetrical frequency band resource.
Description
Technical field
The present invention relates to wireless communication technology field, particularly relate to a kind of Application way and device of the asymmetric resource of frequency range.
Background technology
At present, LTE (Long Term Evolution, Long Term Evolution) system supports FDD (Frequency Division Duplex, Frequency Division Duplexing (FDD)) and TDD (Time Division Duplex, time division duplex) two kinds of duplex modes.In the deployment of above-mentioned two kinds of duplex modes, FDD mode can only adopt two symmetrical frequency ranges to realize reception and the transmission of message between base station and user terminal respectively, and one of them frequency range is used for up, and another frequency range is used for descending.And TDD mode utilizes one section of asymmetric frequency range to receive and send message, in this continuous print frequency range, part-time is used for up, and remaining time is used for descending, and its time slot proportion can carry out difference configuration according to different business.
And following situation can be there is in existing utilization of resources process: operator is at frequency range deploy LTE FDD (the Long Term Evolution Frequency Division Duplex of a pair symmetry of one section of frequency spectrum, the Frequency Division Duplexing (FDD) of Long Term Evolution) system, this section of frequency spectrum has got again one section of asymmetric resource of frequency range, and the TDD system of other operator is deployed with in the adjacent locations of this asymmetric resource of frequency range, by accompanying drawing, the correspondence position relation of above-mentioned frequency range is described at this in more detail, as shown in Figure 1, on this section of frequency spectrum, the symmetrical frequency band a of a pair support FDD system that array from left to right, one section of asymmetric frequency range b newly got and support one of other operator's TDD system section of asymmetric frequency range c.In actual application, operator by disposing the TDD system the same with other operator's TDD system again on this asymmetric frequency range b, the asymmetric resource of frequency range utilizing this newly to get, that is operator needs to dispose FDD and TDD two cover system on this section of frequency spectrum simultaneously, so just must purchase a large amount of hardware devices to support the foundation of TDD system in this asymmetric frequency range, thus cause cost of investment high.
Summary of the invention
Embodiments of the invention provide a kind of Application way and device of the asymmetric resource of frequency range, making operator when utilizing this asymmetric resource of frequency range, significantly can reduce cost of investment.
For achieving the above object, embodiments of the invention adopt following technical scheme:
An Application way for the asymmetric resource of frequency range, comprising:
Obtain the physical resource position of uplink random access channel, and user terminal is informed in described physical resource position;
Receive the access request that user terminal utilizes described physical resource position to send;
Be that described user terminal distributes uplink band resource according to described access request;
Wherein, the band downlink that described uplink band is corresponding at least comprises: the first band downlink and the second band downlink, described first band downlink and described uplink band are symmetrical frequency band, described second band downlink is one section of asymmetric frequency range, and the community that described first band downlink and described uplink band form, different from the community that described second band downlink and described uplink band form.
The asymmetric resource of frequency range utilize a device, comprising:
Acquiring unit, for obtaining the physical resource position of uplink random access channel, and informs user terminal by described physical resource position;
Receiving element, for receiving the access request that user terminal utilizes described physical resource position to send;
Allocation units, the described access request for receiving according to described receiving element is that described user terminal distributes uplink band resource;
Wherein, the band downlink that described uplink band is corresponding at least comprises: the first band downlink and the second band downlink, described first band downlink and described uplink band are symmetrical frequency band, described second band downlink is one section of asymmetric frequency range, and the community that described first band downlink and described uplink band form, different from the community that described second band downlink and described uplink band form.
The Application way of a kind of asymmetric resource of frequency range that the embodiment of the present invention provides and device, after the physical resource position getting uplink random access channel, receive the access request that user terminal utilizes physical resource position to send, and then be that user terminal distributes uplink band resource according to access request, the band downlink that wherein uplink band is corresponding at least comprises: the first band downlink and the second band downlink, and the first band downlink and uplink band are symmetrical frequency band, the second band downlink is one section of asymmetric frequency range.In prior art, when operator wants to use this asymmetric resource of frequency range, a large amount of hardware devices must be purchased to support the foundation of TDD system in this asymmetric frequency range, and in embodiments of the present invention, the band downlink resource of this asymmetric frequency range and the band downlink resource of FDD system, the common uplink band resource using this FDD system, thus make operator can utilize this asymmetric resource, and need not hardware investment be increased, significantly reduce cost of investment.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
A kind of frequency range distribution schematic diagram that Fig. 1 provides for background technology;
The method flow diagram that a kind of asymmetric resource of frequency range that Fig. 2 provides for one embodiment of the invention utilizes;
The method flow diagram that a kind of asymmetric resource of frequency range that Fig. 3 provides for another embodiment of the present invention utilizes;
The method flow diagram that the asymmetric resource of frequency range of another kind that Fig. 4 provides for another embodiment of the present invention utilizes;
The method flow diagram that the asymmetric resource of frequency range of another kind that Fig. 5 provides for another embodiment of the present invention utilizes;
Fig. 6 utilizes the composition schematic diagram of device for a kind of asymmetric resource of frequency range that another embodiment of the present invention provides;
Fig. 7 utilizes the composition schematic diagram of device for the asymmetric resource of frequency range of another kind that another embodiment of the present invention provides.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Following situation can be there is: operator is in the frequency range deploy FDD system of a pair symmetry of one section of frequency spectrum in existing utilization of resources process, this section of frequency spectrum has got again one section of asymmetric resource of frequency range, and the TDD system of other operator is deployed with in the adjacent locations of this asymmetric resource of frequency range, the correspondence position relation of these frequency ranges can refer to Fig. 1 and describes, and when operator wants the asymmetric resource of frequency range utilizing this newly to get, the just hardware investment cost of necessary at substantial, in order to cost-saving, embodiments provide following proposal and solve this problem.
One embodiment of the invention provides a kind of Application way of the asymmetric resource of frequency range, and as shown in Figure 2, the method comprises:
101, base station obtains the physical resource position of uplink random access channel, and user terminal is informed in this physical resource position.
What deserves to be explained is, physical resource position is the physical resource position of uplink band.When physical resource position is informed to user terminal in base station, comprise but be not defined through broadcast message and inform.Obtain in the idiographic flow of physical resource position at user terminal, user terminal is different according to self configuration, the broadcast message of detection different frequent points, different systems is to obtain above-mentioned physical resource position, and then user terminal sends access request to base station on corresponding physical resource position, with the access request making base station can receive user terminal transmission, namely perform following 102.
102, base station receives user terminal utilizes the access request that physical resource position sends.
Wherein, the cell ID that the access request of user terminal comprises the mark of user terminal, the functional configuration information of user terminal, user terminal can search; The buffer status of user terminal and/or QoS (the Quality of Service of user terminal can also be comprised, service quality) information such as demand, wherein the functional configuration information of user terminal can comprise the network formats information etc. that the throughput information of this user terminal and this user terminal are supported.
103, base station is that user terminal distributes uplink band resource according to access request.
What deserves to be explained is, the band downlink that uplink band is corresponding at least comprises: the first band downlink and the second band downlink, first band downlink and uplink band are symmetrical frequency band, second band downlink is one section of asymmetric frequency range, and the community that the first band downlink and uplink band form, different from the community that the second band downlink and uplink band form.In the present embodiment, the second band downlink only represents one section of frequency range, does not limit the bandwidth of this frequency range.
In addition what deserves to be explained is, when there is multiple user terminal, these user terminals may access from the physical resource position of different band downlinks, so just there is following situation: the user terminal accessed by different band downlink needs shared same uplink band, in this case, utilize the situation that there will be resource contention during uplink band resource, in order to avoid resource contention, need base station to be that user terminal distributes uplink band resource.
The Application way of a kind of asymmetric resource of frequency range that the embodiment of the present invention provides, after the physical resource position getting uplink random access channel, receive the access request that user terminal utilizes physical resource position to send, and then be that user terminal distributes uplink band resource according to access request, the band downlink that wherein uplink band is corresponding at least comprises: the first band downlink and the second band downlink, and the first band downlink and uplink band are symmetrical frequency band, the second band downlink is one section of asymmetric frequency range.In prior art, when operator wants to use this asymmetric resource of frequency range, a large amount of hardware devices must be purchased to support the foundation of TDD system in this asymmetric frequency range, and in embodiments of the present invention, the band downlink resource of this asymmetric frequency range and the band downlink resource of FDD system, the uplink band resource of common this FDD system of use, thus make operator when utilizing this asymmetric resource of frequency range, significantly reduce cost of investment.
In a kind of implementation of the embodiment of the present invention, additionally provide a kind of Application way of the asymmetric resource of frequency range, in conjunction with the description of above-mentioned method flow as shown in Figure 2, how the present embodiment is that user terminal distributes uplink band resource and is described in detail according to access request with regard to base station, as shown in Figure 3, the method flow process comprises:
201, base station obtains the initial priority of user terminal and the weighted value of community, user terminal place according to access request.
Wherein, weighted value represents that base station is the priority adjustment amount that community is arranged, and can act on all user terminals in this community.
In the specific implementation flow process of this step 201, the information such as the QoS demand of the user terminal in access request are passed through in base station, determine the initial priority of user terminal, and determine the current affiliated community of user terminal according to the physical resource position of the band downlink of user terminal selecting access, the weighted value of community is determined according to information such as the present load amounts of these communities in base station.
202, base station calculates according to weighted value and initial priority, obtains the revision priority of user terminal.
Description weighted value in conjunction with above-mentioned steps 201 can be applied on all user terminals in community, at this in 202, base station calculates according to weighted value and initial priority, comprise but do not limit by initial priority to the numerical value numerical value corresponding with weighted value be added, thus obtain revising numerical value corresponding to priority.
203, be that this user terminal distributes ascending resource according to the revision priority of user terminal, make the user terminal revising priority high preferentially be assigned to resource.
What deserves to be explained is, when there is multiple user terminal, and these user terminals are when accessing from different communities, by performing above-mentioned steps 203, can carry out integrated ordered to the revision priority of the user terminal of different communities, and then base station is user terminal Resources allocation according to this revision priority.
In conjunction with the above-mentioned description to embodiment of the present invention application scenarios, adjacent locations due to the asymmetric resource of frequency range of this new acquisition is deployed with the TDD system of other operator, if so directly utilize the asymmetric resource of frequency range of this new acquisition, will and the TDD system of above-mentioned other operator between produce and disturb, in order to avoid this interference, need the time slot proportion of the asymmetric resource of frequency range that this new acquisition is set, perform the method flow that following implementation describes.
In conjunction with the description of above-described embodiment, a kind of Application way of the asymmetric resource of frequency range is provided in a kind of optional implementation of the present invention, when using this asymmetric resource of frequency range, the interference between this asymmetric resource of frequency range and TDD system of other above-mentioned operator deployment can be avoided.As shown in Figure 4, the concrete execution flow process in this implementation is before execution above-mentioned steps 101, also comprises:
301, base station obtains first time slot proportion of facing the asymmetric frequency range in district.
Wherein, this faces the asymmetric frequency range in district and the second band downlink continuously every adjacent, and the asymmetric frequency range deploy in Qie Gailin district has the TDD system of other operator deployment.
What deserves to be explained is, the first time slot proportion illustrates in a period of time, to face in the asymmetric frequency range in district which moment resource of frequency range for up at this, and which moment resource of frequency range is used for descending.
302, base station arranges the second time slot proportion of asymmetric frequency range corresponding to the second band downlink.
Wherein, first time slot proportion is identical with the second time slot proportion, and in conjunction with the description of above-mentioned first time slot proportion, the first time slot proportion in this step is identical with the second time slot proportion, refer to this second band downlink identical with the above-mentioned service condition moment of facing the up-downgoing resource of the asymmetric frequency range in district, the service condition of up-downgoing resource here refer to the resource of frequency range which in moment for up in which in moment for descending.
What deserves to be explained is, 302 to be described by this, for the asymmetric resource of frequency range newly obtained arranges the time slot proportion consistent with the TDD system of Lin Qu, make this asymmetric frequency range can divide the resource of this asymmetric frequency range according to the second time slot proportion, make within a period of time that this asymmetric resource of frequency range is as ascending resource, within another time period, this asymmetric resource of frequency range is as downlink resource.Due in actual application, user terminal will be significantly higher than the demand to ascending resource for the demand of downlink resource, in order to better meet this demand, then in the present embodiment, the asymmetric resource of frequency range of this new acquisition is used for the resource that resource when realizing downlink business uses as the second band downlink.
A kind of Application way of the asymmetric resource of frequency range is provided in another implementation of the present invention, in the method, the access request that base station can send according to user terminal, for user terminal determines the physical resource position of band downlink to be accessed, the information such as the Business Stream that user terminal can be issued from the physical resource position acquisition base station of this band downlink.
A kind of Application way of the asymmetric resource of frequency range is provided in another kind of implementation of the present invention, in the method, base station, according to the resource using status of band downlink to be accessed and access request, is the physical resource position of user terminal determination band downlink again.Such as, the access request that base station sends in conjunction with user terminal, determines that the first band downlink is the frequency range to be accessed of this user terminal.But in actual implementation procedure, base station also can according to the resource using status of access request and the first band downlink, it is the physical resource position of user terminal selected band downlink again.Along with the continuous increase of the user terminal of this first band downlink of access, the first band downlink load is caused to increase, and now the load of the second band downlink is less, in order to user terminal better can get the information such as Business Stream to base station requests, then in the second band downlink, determine new downlink physical resource location for user terminal, the information such as Business Stream that user terminal can be issued from the physical resource position acquisition base station of little the second band downlink of load.
Another enforcement of the present invention provides a kind of Application way of the asymmetric resource of frequency range, in conjunction with the above-mentioned method flow described as Fig. 2 to 4, embodiments provide a kind of utilize the asymmetric resource of frequency range complete execution flow process, as shown in Figure 5, this entire flow comprises: first perform above-mentioned 301, 302, time slot proportion is arranged to the asymmetric resource of frequency range of this new acquisition, thus get the second band downlink, this second band downlink and uplink band form a community, first band downlink and uplink band form another one community, user terminal can be linked into these communities, and then perform step 101 to 103, complete the Resourse Distribute to user terminal, and this concrete allocation flow has been described in detail in above-mentioned flow process as shown in Figure 3, namely step 201 to step 203 is the detailed descriptions to above-mentioned step 103, to no longer describe this detailed description part in this method flow as shown in Figure 5.
What deserves to be explained is, in the method flow that above-mentioned accompanying drawing 5 describes, the above-mentioned flow process determining, redefine the physical resource position of band downlink to be accessed for user terminal can also be comprised, these determine flow process, after executing above-mentioned steps 102 and getting the access request of user terminal, can perform, not limit the execution sequence of steps flow chart shown in itself and this Fig. 5.
What another embodiment of the present invention provided a kind of asymmetric resource of frequency range utilizes device, and as shown in Figure 6, this device comprises: acquiring unit 51, receiving element 52, allocation units 53.
Acquiring unit 51, for obtaining the physical resource position of uplink random access channel, and informs user terminal by physical resource position.
Receiving element 52, for receiving the access request that user terminal utilizes physical resource position to send.
Allocation units 53, the access request for receiving according to receiving element 52 is that user terminal distributes uplink band resource.
Wherein, the band downlink that uplink band is corresponding at least comprises: the first band downlink and the second band downlink, first band downlink and described uplink band are symmetrical frequency band, second band downlink is one section of asymmetric frequency range, and the community that the first band downlink and uplink band form, different from the community that the second band downlink and uplink band form.
The asymmetric resource of frequency range provided in the embodiment of the present invention utilize in the optional constituted mode of the one of device, as shown in Figure 7, allocation units 53 also comprise: obtain subelement 531, computation subunit 532, Resourse Distribute subelement 533; This device also comprises: setting unit 54, determining unit 55.
Obtain subelement 531, for obtaining the initial priority of user terminal and the weighted value of community, user terminal place according to access request.
Computation subunit 532, for according to obtaining the weighted value that gets of subelement 531 and initial priority calculates, obtains the revision priority of user terminal.
Resourse Distribute subelement 533, the revision priority for the user terminal obtained according to computation subunit 532 is that user terminal distributes ascending resource, makes the user terminal revising priority high preferentially be assigned to resource.
Acquiring unit 51, also for obtaining first time slot proportion of facing the asymmetric frequency range in district.
Wherein, the asymmetric frequency range in district is faced adjacent with the second band downlink.
Setting unit 54, for arranging the second time slot proportion of asymmetric frequency range corresponding to the second band downlink, and informs to acquiring unit 51 by the time slot proportion of setting.
Wherein, the first time slot proportion is identical with the second time slot proportion that acquiring unit 51 gets.
Determining unit 55, for the access request received according to receiving element 52, for user terminal determines band downlink physical resource position to be accessed.Access request also for receiving according to resource using status and the receiving element 52 of band downlink to be accessed is the physical resource position of user terminal determination band downlink again.
What deserves to be explained is, embodiment of the present invention device is as shown in Figure 6, Figure 7 for realizing above-mentioned method flow as shown in Fig. 2 to 5.
The asymmetric resource of frequency range that the embodiment of the present invention provides utilize device, after acquiring unit obtains the physical resource position of uplink random access channel, by the access request that receiving element reception user terminal utilizes physical resource position to send, and then allocation units are this user terminal distribution uplink band resource according to the access request of user terminal, the band downlink that wherein uplink band is corresponding at least comprises: the first band downlink and the second band downlink, and the first band downlink and uplink band are symmetrical frequency band, the second band downlink is one section of asymmetric frequency range.With prior art, when operator wants to use this asymmetric resource of frequency range, a large amount of hardware devices must be purchased to support that the foundation of TDD system in this asymmetric frequency range is compared, and in embodiments of the present invention, the band downlink resource of this asymmetric frequency range and the band downlink resource of FDD system, the uplink band resource of common this FDD system of use, thus make operator when utilizing this asymmetric resource, significantly reduce cost of investment.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add required common hardware by software and realize, and can certainly pass through hardware, but in a lot of situation, the former is better execution mode.Based on such understanding, technical scheme of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product is stored in the storage medium that can read, as the floppy disk of computer, hard disk or CD etc., comprise some instructions and perform method described in each embodiment of the present invention in order to make a computer equipment (can be personal computer, server, or the network equipment etc.).
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of described claim.
Claims (10)
1. an Application way for the asymmetric resource of frequency range, is characterized in that, comprising:
Obtain the physical resource position of uplink random access channel, and user terminal is informed in described physical resource position;
Receive the access request that user terminal utilizes described physical resource position to send;
Be that described user terminal distributes uplink band resource according to described access request;
Wherein, the band downlink that described uplink band is corresponding at least comprises: the first band downlink and the second band downlink, described first band downlink and described uplink band are symmetrical frequency band, described second band downlink is one section of asymmetric frequency range, and the community that described first band downlink and described uplink band form, different from the community that described second band downlink and described uplink band form.
2. method according to claim 1, is characterized in that, described is that described user terminal distributes uplink band resource according to described access request, comprising:
The initial priority of described user terminal and the weighted value of community, described user terminal place is obtained according to described access request;
Calculate according to described weighted value and described initial priority, obtain the revision priority of described user terminal;
According to the revision priority of described user terminal be described user terminal distribute ascending resource, make the high described user terminal of described revision priority preferentially be assigned to resource.
3. method according to claim 2, is characterized in that, before the physical resource position of described acquisition uplink random access channel, described method comprises:
Obtain and face the first time slot proportion of the asymmetric frequency range in district, described in face the asymmetric frequency range in district adjacent with described second band downlink;
Arrange the second time slot proportion of asymmetric frequency range corresponding to described second band downlink, described first time slot proportion is identical with described second time slot proportion.
4. method according to claim 3, is characterized in that, after receiving described access request, described method also comprises:
According to described access request, for described user terminal determines the physical resource position of band downlink to be accessed.
5. method according to claim 4, is characterized in that, described method also comprises:
According to resource using status and the described access request of described band downlink to be accessed, be the physical resource position of described user terminal determination band downlink again.
6. the asymmetric resource of frequency range utilize a device, it is characterized in that, comprising:
Acquiring unit, for obtaining the physical resource position of uplink random access channel, and informs user terminal by described physical resource position;
Receiving element, for receiving the access request that user terminal utilizes described physical resource position to send;
Allocation units, the described access request for receiving according to described receiving element is that described user terminal distributes uplink band resource;
Wherein, the band downlink that described uplink band is corresponding at least comprises: the first band downlink and the second band downlink, described first band downlink and described uplink band are symmetrical frequency band, described second band downlink is one section of asymmetric frequency range, and the community that described first band downlink and described uplink band form, different from the community that described second band downlink and described uplink band form.
7. device according to claim 6, is characterized in that, described allocation units also comprise:
Obtain subelement, for the weighted value of the initial priority and community, described user terminal place that obtain described user terminal according to described access request;
Computation subunit, calculates for the described weighted value that gets according to described acquisition subelement and described initial priority, obtains the revision priority of described user terminal;
Resourse Distribute subelement, the revision priority for the described user terminal obtained according to described computation subunit is that described user terminal distributes ascending resource, makes the high described user terminal of described revision priority preferentially be assigned to resource.
8. device according to claim 7, is characterized in that, also comprises:
Described acquiring unit, also for obtaining first time slot proportion of facing the asymmetric frequency range in district, described in face the asymmetric frequency range in district adjacent with described second band downlink;
Setting unit, for arranging the second time slot proportion of asymmetric frequency range corresponding to described second band downlink, described second time slot proportion that described first time slot proportion and described acquiring unit get is identical.
9. device according to claim 8, is characterized in that, described device also comprises:
Determining unit, for the described access request received according to described receiving element, for described user terminal determines band downlink physical resource position to be accessed.
10. device according to claim 9, is characterized in that,
Described determining unit, the described access request also for receiving according to resource using status and the described receiving element of described band downlink to be accessed is the physical resource position of described user terminal determination band downlink again.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410515908.6A CN104284432A (en) | 2014-09-29 | 2014-09-29 | Method and device for utilizing asymmetrical frequency band resource |
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| CN201410515908.6A CN104284432A (en) | 2014-09-29 | 2014-09-29 | Method and device for utilizing asymmetrical frequency band resource |
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| CN109561501A (en) * | 2017-09-25 | 2019-04-02 | 中国电信股份有限公司 | Duplex data transfer method and base station and terminal |
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| JP2014045482A (en) * | 2012-08-28 | 2014-03-13 | Ntt Docomo Inc | Frequency allocation method coexisted with adjacent channel, and network entity |
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