CN101854677B - Method and device for transmitting wireless signals - Google Patents
Method and device for transmitting wireless signals Download PDFInfo
- Publication number
- CN101854677B CN101854677B CN200910081154.7A CN200910081154A CN101854677B CN 101854677 B CN101854677 B CN 101854677B CN 200910081154 A CN200910081154 A CN 200910081154A CN 101854677 B CN101854677 B CN 101854677B
- Authority
- CN
- China
- Prior art keywords
- branch
- travelling carriage
- polarised antenna
- cross polarised
- polarization mode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 48
- 230000010287 polarization Effects 0.000 claims description 56
- 230000008054 signal transmission Effects 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000001228 spectrum Methods 0.000 abstract description 13
- 238000004891 communication Methods 0.000 abstract description 3
- 238000005388 cross polarization Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 8
- 230000011664 signaling Effects 0.000 description 5
- 238000009826 distribution Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The embodiment of the invention provides a method and a device for transmitting wireless signals. The method and the device belong to the communication field. The method comprises a step of transmitting the wireless signals to a mobile station by adopting a first branch of a first cross-polarization antenna when the mobile station is in a marginal area of a service cell. The embodiment of the invention also provides a device and a system for transmitting the wireless signals. The method and the device have the advantages of improving capacity, improving spectrum efficiency and reducing interference.
Description
Technical field
The present invention relates to network communication field, relate in particular to method, device that a kind of wireless signal sends.
Background technology
Along with the development of urbanization, travelling carriage in city is more and more, make operator need in city, build more website, as base station or relay station, cause the signal phase mutual interference between each website, find by research, it is the principal element that signal disturbs that the signal of adjacent sectors disturbs, as based on OFDM (multiple access) (Orthogonal frequency division multiplex (address), OFDM (A)) wireless communication technology, it is adjacent with the interference of sector lap frequently, be presence of intercell interference (Inter-cell interference, ICI) be to affect edge travelling carriage throughput, the key factor of whole sector capacity and spectrum efficiency.In order to reduce ICI, a kind of method that prior art provides wireless signal to send, the method adopts partial frequency multiplexing (fractional frequency reuse, FFR) technology to carry out wireless signal transmission to cell edge travelling carriage, thereby reduces the interference of edge travelling carriage.
In the time realizing the scheme of prior art, the inventor finds that prior art has following technical problem:
The technical scheme edge travelling carriage providing due to prior art adopts FFR technology to carry out wireless signal transmission, so for edge travelling carriage, according to the difference of multiplexing factor of n, the assignable bandwidth of edge travelling carriage only centered by the 1/n of the assignable bandwidth of travelling carriage, thereby cause the usable spectrum a resource shrinkage of system, spectrum efficiency is lower.
Summary of the invention
Method and device that embodiment of the present invention provides a kind of wireless signal to send, said method and device can make travelling carriage assignable bandwidth in edge identical with the assignable bandwidth of center travelling carriage, and can reduce presence of intercell interference, improve spectrum efficiency and capacity.
A kind of method that the specific embodiment of the present invention provides wireless signal to send, the method comprises:
In the time of the fringe region of travelling carriage in Serving cell, adopt the first branch of the first cross polarised antenna to send wireless signal to this travelling carriage;
Wherein, the polarization mode of this first branch, the polarization mode of the second branch of the second cross polarised antenna adopting from the travelling carriage of the fringe region in adjacent cell is different, and this first cross polarised antenna is served Serving cell, and this second cross polarised antenna is served adjacent cell.
The specific embodiment of the invention also provides a kind of dispensing device of wireless signal, and this device comprises:
Branch's acquiring unit, the identification information of the branch of first cross polarised antenna that should use while the travelling carriage of the fringe region in Serving cell being sent to wireless signal for obtaining, the polarization mode of the branch of the second cross polarised antenna that the polarization mode of the branch of this first cross polarised antenna that should use adopts from the travelling carriage of the fringe region in adjacent cell is different, wherein, this first cross polarised antenna is served Serving cell, and this second cross polarised antenna is served adjacent cell;
Branch's transmitting element, for when the fringe region of this travelling carriage in described Serving cell, uses the branch of this identification information mark to send wireless signal to this travelling carriage.
Can be found out by above-mentioned provided technical scheme, the technical scheme of the embodiment of the present invention is in the time of the fringe region of travelling carriage in Serving cell, adopt the first branch of the first cross polarised antenna to send wireless signal to this travelling carriage, and keep the polarization mode of this first branch different from the polarization mode of this second branch, thereby reduce presence of intercell interference, because the method can the spectrum reuse factor be set to 1, make travelling carriage assignable bandwidth in edge identical with the assignable bandwidth of center travelling carriage, improved spectrum efficiency and capacity.
Brief description of the drawings
The flow chart of the sending method of a kind of wireless signal that Fig. 1 provides for another embodiment of the present invention.
Fig. 2 is the signalling formula figure of the regional of site1 and site2.
The structure chart of the dispensing device of a kind of wireless signal that Fig. 3 provides for embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Below in conjunction with specific embodiments and the drawings, the present invention is further explained.
The invention provides an embodiment, the present embodiment provides a kind of sending method of wireless signal, the technology scene that the present embodiment is realized is, dense city (Dense Urban), the method specifically can comprise: in the time of the fringe region of travelling carriage in Serving cell, adopt the first branch of the first cross polarised antenna to send wireless signal to this travelling carriage; The polarization mode of the second branch of the second cross polarised antenna that the polarization mode of this first branch adopts from the travelling carriage of the fringe region in this adjacent cell is different, above-mentioned the first cross polarised antenna is served Serving cell, and above-mentioned the second cross polarised antenna is served adjacent cell.
Above-mentioned Serving cell can be the community at travelling carriage place, the Serving cell that above-mentioned adjacent cell can be adjacent with this Serving cell.
Optionally, the method of knowing the fringe region of travelling carriage in Serving cell can be, calculate year dry make an uproar than (carrier to interference and noise ratio of travelling carriage in setting-up time, or signal to noise ratio (signal to noise ratio CINR), SNR), as be less than setting threshold value, know that this travelling carriage is in fringe region.
Optionally, the method for knowing the fringe region of travelling carriage in Serving cell can also comprise: self the positional information reporting according to travelling carriage is known.
Optionally, when when the fringe region of travelling carriage in Serving cell, adopt before the first branch of the first cross polarised antenna sends wireless signal to this travelling carriage, the method can also comprise:
The polarization mode of above-mentioned the first branch and above-mentioned the second branch is set, or according to the polarization mode of above-mentioned the second branch, selects the polarization mode of above-mentioned the first branch.
The above-mentioned concrete implementation of polarization mode that the first branch and the second branch are set can be, the polarization mode of the first branch is arranged to vertically, the polarization mode of the second branch is arranged to level, it can certainly be other mode, as the polarization mode of the first branch is arranged to+45 degree, the polarization mode of the second branch is arranged to-45 degree.
The above-mentioned polarization mode according to the second branch selects the method for the polarization mode of the first branch to be, if the polarization mode of the second branch is vertical, can select polarization mode is the first branch of level; Can certainly be by other selection mode, the specific embodiment of the invention is not limited to concrete method, only needs to ensure that the polarization mode of the first branch of selecting according to the polarization mode of the second branch is different here.
Above-mentioned steps can be completed by base station, can certainly be completed by relay station.
The method that one embodiment of the invention provides is in the time of the fringe region of travelling carriage in Serving cell, adopt the first branch of the first cross polarised antenna to send wireless signal to this travelling carriage, and keep the polarization mode of this first branch different from the polarization mode of this second branch, thereby reduce presence of intercell interference, because the method can the spectrum reuse factor be set to 1, make travelling carriage assignable bandwidth in edge identical with the assignable bandwidth of center travelling carriage, improved spectrum efficiency and capacity.
The present invention also provides another embodiment, the present embodiment also provides a kind of sending method of wireless signal, travelling carriage in the present embodiment describes as an example of travelling carriage example, the method is to realize under the scene of OFDM (A), certainly under actual conditions, it can also be other the scene that realizes, as code division multiple access (Code Divisionultiple Access, CDMA) technology or time division multiple access access (Time Division Multiple Access, TDMA) technology, here suppose the travelling carriage of adjacent cell fringe region to adopt horizontal polarization mode to carry out signal transmission, the method is completed by base station, and in actual conditions, the method also can be completed by relay station.The method as shown in Figure 1, comprises the steps:
Step 11, base station know that the signalling formula of the travelling carriage of adjacent cell fringe region is horizontal polarization mode;
Step 12, when in the time that the travelling carriage of Serving cell is positioned at fringe region, base station is selected this travelling carriage to adopt perpendicular polarization mode to carry out wireless signal transmission according to above-mentioned horizontal polarization mode.
Below by the method for calculating, the useful technique effect that further embodiment of this invention is brought is described, according to Shannon capacity formula, to Gaussian channel, C=B*log
2(1+SNR); Calculate by reality, adopt the technical scheme of further embodiment of this invention to carry out signal transmission with respect to the travelling carriage of fringe region, this SNR or CINR can improve 5～7dB, its bandwidth can keep B (bandwidth of supposing the travelling carriage of central area is here B), and the scheme of employing prior art, for the travelling carriage of fringe region, its capacity C=[B*log
2(1+SNR)]/n, wherein n is frequency duplex factor as one, and adopt after FFR technology, n must be greater than 1, so the capacity of another embodiment of the present invention is necessarily greater than capacity of the prior art, thereby improve capacity, because the distribution bandwidth of travelling carriage of the fringe region of the method for further embodiment of this invention is identical with the distribution bandwidth of central area travelling carriage, so improved spectrum efficiency, and the polarization mode that the method edge region is used is different from the polarization mode that adjacent cell edge region adopts, thereby the signal having reduced between community disturbs.
Realize the concrete grammar of the embodiment of the present invention below taking two neighbor cells as example explanation, for the convenience of narrating, by two neighbor cells called after respectively, site1 and site2, the signalling formula of site1 and site2 regional as shown in Figure 2, as shown in Figure 2, for the travelling carriage of the central area of site1, the all branches that adopt cross polarised antenna, are designated as: F1 × and F2 ×; Wherein F1, F2 can represent respectively the frequency that signal sends, and "×" represents to adopt all branches of cross polarised antenna to carry out signal transmission; For the travelling carriage of the fringe region of site1, adopt a certain branch of cross polarised antenna, the polarization mode of this certain branch can be-45 to spend, and is designated as: F1 and F2; For the travelling carriage of the central area of site2, adopt all branches of cross polarised antenna, be designated as: F1 × and F2 ×; For the travelling carriage of the fringe region of site2, adopt the polarization mode different from site1 to carry out signal transmission, be equivalent to adopt the branch different from a certain branch to carry out signal transmission, this polarization mode can be+45 to spend, and is designated as: F1/ and F2/.For frequency F1, because the travelling carriage of the fringe region of site1 and site2 adopts different polarization modes to carry out signal transmission, so its signal that can reduce between neighbor cell disturbs, reduce presence of intercell interference, in like manner, for frequency F2, also can reduce the interference of minizone.And after employing said method, the CINR of the signal that the travelling carriage of the fringe region of site1 and site2 receives has larger lifting, thereby has improved whole volume.
The specific embodiment of the invention also provides the signaling method in a kind of Serving cell, and the method comprises: adopt the different branches of cross polarised antenna to carry out signal transmission to the different mobile stations in Serving cell.Completing said method can be base station, can certainly be relay station.
The concrete mode that realizes the method can be, suppose to have travelling carriage A and travelling carriage B, the concrete mode that the method realizes is that base station adopts the first branch of cross polarised antenna to carry out signal transmission to travelling carriage A, adopts the second branch of cross polarised antenna to carry out signal transmission to travelling carriage B.
Signaling method in the Serving cell that the specific embodiment of the invention provides, carries out signal transmission because the different mobile stations in same services community adopts the different branches of cross polarised antenna, thereby has avoided the signal between different mobile stations to disturb.
The specific embodiment of the invention also provides a kind of dispensing device of wireless signal, and this device as shown in Figure 3, comprises; Branch's acquiring unit 31, the identification information of the branch of first cross polarised antenna that should use while the travelling carriage of the fringe region in Serving cell being sent to wireless signal for obtaining, the polarization mode of the branch of the second cross polarised antenna that the polarization mode of the branch of this first cross polarised antenna that should use adopts from the travelling carriage of the fringe region in adjacent cell is different, wherein, this first cross polarised antenna is served Serving cell, and this second cross polarised antenna is served adjacent cell; Branch's transmitting element 32, for when the fringe region of this travelling carriage in this Serving cell, uses the branch of this identification information mark to send wireless signal to this travelling carriage.Optionally, this device can be positioned at base station, can certainly be arranged in continuation station.
Optionally, above-mentioned branch acquiring unit 31 specifically can comprise:
Memory cell 311, the identification information of the branch of first cross polarised antenna that should use while being used for storing this transmission of travelling carriage to the fringe region in Serving cell wireless signal of setting, wherein, the polarization mode of the branch of the second cross polarised antenna that the polarization mode of the branch of this first cross polarised antenna that should use adopts from the travelling carriage of the fringe region in adjacent cell is different, wherein, this first cross polarised antenna is served Serving cell, and this second cross polarised antenna is served adjacent cell;
Branch's determining unit 312, for obtaining the identification information of the branch of this first cross polarised antenna from memory cell 311.
Optionally, above-mentioned branch acquiring unit 31 specifically can comprise:
Information acquisition unit 313, for obtaining the polarization mode information of branch of the second cross polarised antenna that the above-mentioned travelling carriage to the fringe region in adjacent cell adopts;
Branching selection unit 314, according to the polarization mode information of the branch of this second cross polarised antenna, select the identification information of the first cross polarised antenna branch that should use when the travelling carriage of the fringe region in Serving cell is sent to wireless signal, wherein, the polarization mode of the branch of the second cross polarised antenna that the polarization mode of this first cross polarised antenna branch that should use adopts from the travelling carriage of the fringe region in adjacent cell is different, wherein, the first cross polarised antenna is served Serving cell, and the second cross polarised antenna is served adjacent cell.
Branch's acquiring unit 31 in the device that the specific embodiment of the invention provides obtains the identification information of the branch of first cross polarised antenna that should use when the travelling carriage of the fringe region in Serving cell is sent to wireless signal, and ensures that the polarization mode of the polarization mode of branch of this first poliarizing antenna and the branch of the second cross polarised antenna that the travelling carriage of the fringe region in adjacent cell adopts is different; Branch's transmitting element 32 is for when the fringe region of this travelling carriage in this Serving cell, use the branch of this identification information mark to send wireless signal to this travelling carriage, thereby reduce presence of intercell interference, because the method can the spectrum reuse factor be set to 1, make travelling carriage assignable bandwidth in edge identical with the assignable bandwidth of center travelling carriage, improved spectrum efficiency and capacity.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, the module in accompanying drawing or flow process might not be that enforcement the present invention is necessary.
One of ordinary skill in the art will appreciate that all or part of step realizing in above-described embodiment method can carry out the hardware that instruction is relevant by program and complete, described program can be stored in a kind of computer-readable recording medium, this program, in the time carrying out, comprises step of embodiment of the method one or a combination set of.
In addition, the each functional unit in each embodiment of the present invention can be integrated in a processing module, can be also that the independent physics of unit exists, and also can be integrated in a module two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, and also can adopt the form of software function module to realize.If described integrated module realizes and during as production marketing independently or use, also can be stored in a computer read/write memory medium using the form of software function module.
The above-mentioned storage medium of mentioning can be read-only memory, disk or CD etc.
In sum, the technical scheme that the specific embodiment of the invention provides, has the assignable bandwidth of the edge of making travelling carriage identical with the assignable bandwidth of center travelling carriage, thereby has improved the advantage of spectrum efficiency and capacity.
The above; it is only preferably embodiment of the present invention; but protection scope of the present invention is not limited to this; any be familiar with those skilled in the art the embodiment of the present invention disclose technical scope in; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (7)
1. the method that wireless signal sends, is characterized in that, described method comprises:
In the time of the fringe region of travelling carriage in Serving cell, adopt the first branch of the first cross polarised antenna to send wireless signal to described travelling carriage;
Wherein, the polarization mode of described the first branch, the polarization mode of the second branch of the second cross polarised antenna adopting from the travelling carriage of the fringe region in adjacent cell is different, described the first cross polarised antenna is served described Serving cell, and described the second cross polarised antenna is served described adjacent cell; And
For the travelling carriage of central area, described Serving cell, adopt all branches of described the first cross polarised antenna to carry out signal transmission;
For the travelling carriage of described adjacent cell central area, adopt all branches of described the second cross polarised antenna to carry out signal transmission.
2. method according to claim 1, is characterized in that, described travelling carriage specifically comprises in the fringe region of Serving cell:
Make an uproar while being less than corresponding setting threshold value than CINR or signal to noise ratio snr when carrying of described travelling carriage is dry, determine the fringe region of described travelling carriage in Serving cell.
3. method according to claim 1, is characterized in that, described during when the fringe region of travelling carriage in Serving cell, adopts before the first branch of the first cross polarised antenna sends wireless signal to described travelling carriage, also comprises:
The polarization mode of described the first branch and the second branch is set;
Or, according to the polarization mode of described the second branch, select described the first branch.
4. a dispensing device for wireless signal, is characterized in that, described device comprises:
Branch's acquiring unit, the identification information of the branch of first cross polarised antenna that should use while the travelling carriage of the fringe region in Serving cell being sent to wireless signal for obtaining, the polarization mode of the branch of the second cross polarised antenna that the polarization mode of the branch of described first cross polarised antenna that should use adopts from the travelling carriage of the fringe region in adjacent cell is different, wherein, described the first cross polarised antenna is served described Serving cell, and described the second cross polarised antenna is served described adjacent cell;
Branch's transmitting element, for when the fringe region of described travelling carriage in described Serving cell, use the branch of described identification information mark to send wireless signal to described travelling carriage, and for the travelling carriage of central area, described Serving cell, adopt all branches of described the first cross polarised antenna to carry out signal transmission; For the travelling carriage of described adjacent cell central area, adopt all branches of described the second cross polarised antenna to carry out signal transmission.
5. device according to claim 4, is characterized in that, described branch acquiring unit comprises:
Memory cell, the identification information of the branch of first cross polarised antenna that should use while being used for storing the described transmission of the travelling carriage to the fringe region in the Serving cell wireless signal of setting, wherein, the polarization mode of the branch of the second cross polarised antenna that the polarization mode of the branch of described first cross polarised antenna that should use adopts from the travelling carriage of the fringe region in adjacent cell is different, wherein, described the first cross polarised antenna is served described Serving cell, and described the second cross polarised antenna is served described adjacent cell;
Branch's determining unit, for obtaining the identification information of the branch of described the first cross polarised antenna from described memory cell.
6. device according to claim 4, is characterized in that, described branch acquiring unit comprises:
Information acquisition unit, for obtaining the polarization mode information of branch of the second cross polarised antenna that the described travelling carriage to the fringe region in adjacent cell adopts;
Branching selection unit, according to the polarization mode information of the branch of described the second cross polarised antenna, select the identification information of the first cross polarised antenna branch that should use when the travelling carriage of the fringe region in Serving cell is sent to wireless signal, wherein, the polarization mode of the branch of the second cross polarised antenna that the polarization mode of the described first cross polarised antenna branch that should use adopts from the travelling carriage of the fringe region in adjacent cell is different, wherein, described the first cross polarised antenna is served described Serving cell, described the second cross polarised antenna is served described adjacent cell.
7. according to the device described in any one in claim 4-6, it is characterized in that, described device is positioned at base station or relay station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910081154.7A CN101854677B (en) | 2009-04-03 | 2009-04-03 | Method and device for transmitting wireless signals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910081154.7A CN101854677B (en) | 2009-04-03 | 2009-04-03 | Method and device for transmitting wireless signals |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101854677A CN101854677A (en) | 2010-10-06 |
| CN101854677B true CN101854677B (en) | 2014-08-13 |
Family
ID=42805880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910081154.7A Expired - Fee Related CN101854677B (en) | 2009-04-03 | 2009-04-03 | Method and device for transmitting wireless signals |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101854677B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104955054A (en) * | 2014-03-26 | 2015-09-30 | 普天信息技术有限公司 | Method for configuring polarization directions of base station antennae and terminal antennae |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6205337B1 (en) * | 1998-05-06 | 2001-03-20 | Alcatel Canada Inc. | Use of sectorized polarization diversity as a means of increasing capacity in cellular wireless systems |
-
2009
- 2009-04-03 CN CN200910081154.7A patent/CN101854677B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6205337B1 (en) * | 1998-05-06 | 2001-03-20 | Alcatel Canada Inc. | Use of sectorized polarization diversity as a means of increasing capacity in cellular wireless systems |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101854677A (en) | 2010-10-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101002496B (en) | Soft handoff for reverse link in a wireless communication system with frequency reuse | |
| CN102388645B (en) | Resource distribution method and device of multiple remote radio unit common community | |
| EP2485514A1 (en) | Self configuring and optimisation of cell neighbours in wireless telecommunications networks | |
| CN103369541A (en) | Macro-femto inter-cell interference mitigation | |
| CN103181209A (en) | Methods and apparatus to limit reporting of neighbor cell measurements | |
| CN105453628A (en) | Communication control apparatus and wireless communication apparatus | |
| CN101399562B (en) | Interference prevention method in hybrid mobile radio communication network and mobile terminal | |
| CN101867989A (en) | Cell reselection method, base station, vehicle-mounted equipment and system | |
| CN102377698A (en) | Signal to interference and noise ratio measuring method and apparatus thereof | |
| CN102377462A (en) | Method and system for interactively selecting auxiliary cell | |
| CN101980567B (en) | Method and system for determining switched target cell, and access network equipment | |
| US9357505B2 (en) | Processing digital signal | |
| US20210289509A1 (en) | Base station and signal transmission method | |
| CN102638424A (en) | Dynamically adjusted OFDM channel estimation filtering in OFDM communications | |
| CN101540633A (en) | Method, system and base station for downlink transmission | |
| CN101668323A (en) | Access station selecting method, switching method, accessing method and equipment | |
| CN104640096A (en) | Data transmission method and device as well as terminal | |
| US20120127873A1 (en) | Method, apparatus, and system for automatically switching services | |
| US10425823B2 (en) | Cell management apparatus and method for operating cell management apparatus | |
| KR101335363B1 (en) | Method for allocating frequency band in a wireless communication system | |
| CN101800992B (en) | Frequency point scrambling code collocation method, system and central arbitration node | |
| CN101854677B (en) | Method and device for transmitting wireless signals | |
| CN101919292B (en) | Method of dynamic overhead channel power allocation | |
| CN101730313A (en) | Communication method, base station and communication system in multiple carrier mobile communication system | |
| US20090156220A1 (en) | Method and apparatus for handover in mobile network, and mobile terminal thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 |