CN104639225A - Wireless base station device, wireless portion control device and wireless communication method - Google Patents
Wireless base station device, wireless portion control device and wireless communication method Download PDFInfo
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- CN104639225A CN104639225A CN201510071062.6A CN201510071062A CN104639225A CN 104639225 A CN104639225 A CN 104639225A CN 201510071062 A CN201510071062 A CN 201510071062A CN 104639225 A CN104639225 A CN 104639225A
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Abstract
The invention relates to a wireless base station device, a wireless portion control device and a wireless communication method, and communication quality of terminals near the edges of cells can be improved. The radio base station device according to an embodiment comprises: a plurality of radio units (R11, R12) provided with a plurality of antennas; a reception power measuring unit (104) for measuring reception power of an uplink signal from a radio terminal device (MS11) for each antenna; an antenna information creation unit (109) for creating information indicating a combination of antennas for each adjacent radio unit based on the information indicating an adjacency relation of the radio units and the antenna direction of the radio units; and an antenna selection unit (111) for selecting combination candidates of antennas used for macro diversity communication with a radio terminal based on the measurement of reception power, and for determining a combination of antennas used for macro diversity communication based on the combination candidates of antennas and the information indicating combinations of antennas.
Description
Invention is the divisional application of following application, and original application information is as follows:
Application number: 201110182386.9
The applying date: on 06 30th, 2011
Denomination of invention: radio base station apparatus, wireless portion control device and wireless communications method
By Japanese patent application 2010-254983, (applying date: 11/15/2010) enjoys preferential interests to the application according to this application.The application comprises the full content of this application by referring to this application.
Technical field
Embodiments of the present invention relate to the radio base station apparatus, wireless portion control device and the wireless communications method that carry out radio communication between wireless terminal.
Background technology
In recent years, high-endization and the high speed of mobile radio communications system are developed, and are carrying out the research about the radio communication realizing the logic speed had more than 100Mbps in the communication systems such as WiMAX, LTE, XGP system.As the technology of the high speed for realizing radio communication, enumerate and go forward side by side that row space is multiplexing to be improved and the MIMO of the communication speed of terminal (Multiple Input Multiple Output: Multiinputoutput) technology by making base station have multiple antenna, studying and this technology is applicable in more future generation mobile radio system.
But the speed that MIMO improves center of housing estate portion is foreseeable, also there is the problem of the communication deterioration of cell edge vicinity on the other hand.Therefore, for utilizing the antenna of multiple base station to develop to the research of the grand diversity (Macro Diversity) improving the received power of terminal, this technology as the terminal be present near cell edge gain boosting technique and come into one's own.Because grand diversity is that the gain that communication by employing multiple base station realizes terminal improves, therefore need the sky line traffic control across base station and communication mode.
Summary of the invention
The object of present embodiment is to provide a kind of radio base station apparatus, wireless portion control device and the wireless communications method that can improve the communication quality of terminal near cell edge.
Radio base station apparatus involved by present embodiment possesses: multiple radio section, possesses multiple antenna, by transmitting/receiving wireless signal between described antenna and wireless terminal; Measuring unit, to each described antenna, measures the received power of the upward signal from described wireless terminal; Aerial information production unit, based on the information of neighbouring relations represented between described radio section and the antenna direction of described radio section, makes according to often organizing adjacent radio section the information representing antenna combination; Selected cell, based on the measured value of described received power, selects the antenna combination candidate used in the grand diversity communication between described wireless terminal; Determining means, based on described antenna combination candidate and the information representing described antenna combination, determines the antenna combination used in described grand diversity communication; And signal processing unit, according to described antenna combination, carry out described grand diversity communication by described multiple radio section.
Accompanying drawing explanation
Fig. 1 is the overall structure figure of the wireless communication system of the radio base station apparatus possessed involved by the first execution mode.
Fig. 2 is the block diagram of the structure of the radio base station apparatus representing Fig. 1.
Fig. 3 is the figure of the making process representing adjacent radio section information.
Fig. 4 is the figure of the making process representing antenna combination information.
Fig. 5 is the figure of the determining method representing antenna combination information.
Fig. 6 is the figure representing received power measurement processing.
Fig. 7 is the figure of another example representing received power measurement processing.
Fig. 8 represents that grand diversity could judge the figure processed.
Fig. 9 represents that grand diversity uses the figure of sky line options process.
Figure 10 is the figure representing grand diversity communication process.
Figure 11 is the figure of the production order representing adjacent radio section information and antenna combination information.
Figure 12 represents that grand diversity communication starts the figure of order.
Figure 13 is the figure of the production order representing adjacent radio section information involved by the second execution mode and antenna combination information.
Embodiment
Hereinafter, with reference to the accompanying drawings of the radio base station apparatus involved by present embodiment, wireless portion control device and wireless communications method.
Fig. 1 is the overall structure figure of the wireless system of the radio base station apparatus possessed involved by the first execution mode.In the present embodiment, by the radio section of existing base station and control section from, using control part as wireless portion control device, realize grand diversity by intensive base station manner.
In FIG, gateway apparatus GW is connected with IP network/public communication network NW, and is connected with multiple radio base station apparatus BS1, BS2.Radio base station apparatus BS1 possesses multiple radio section R11 ~ R1n of carrying out wireless receiving and dispatching between wireless terminal and carries out the wireless portion control device G1 with the distribution of wireless relevant signal transacting and signal.The PC (personal computer) etc. possessing wireless terminal or radio communication data card carries out sound or data communication between wireless terminal device MS11 ~ MS1m and radio section R11 ~ R1n.Radio section R11 ~ R1n has many antennas respectively, and the transmitted power that can adjust many antennas has directive property to make downstream signal.Radio base station apparatus BS2, in the same manner as radio base station apparatus BS1, possesses wireless portion control device G2 and multiple radio section R21 ~ R2n.
Fig. 2 is the block diagram of an example of the structure representing radio base station apparatus.Below, with radio base station apparatus BS1 for representative is described.
In fig. 2, gateway apparatus GW is connected to IP network/public communication network NW and wireless portion control device G1.Wireless portion control device G1 and multiple radio section R11, R12 are by the such as wired connection such as metallic cable, optical fiber.Radio section R11 is provided with the multiple antenna AN11 ~ AN1n for the radio communication between wireless terminal device MS11, MS12, similarly, radio section R12 is also provided with multiple antenna AN21 ~ AN2n of radio communication.
Wireless terminal device MS11, MS12 and radio section R11, R12 are provided with wireless communication part 101, and wireless terminal device MS11, MS12 carry out radio communication by wireless communication part 101 and one or more radio section.Wireless portion control device G1 is provided with: signal dispenser 102, the data allocations received is given radio section R11, R12 of carrying out radio communication with wireless terminal device MS1, MS2 from gateway apparatus GW; And signal processing part 103, carry out the control relevant with radio communication.
Signal processing part 103 possesses the effect controlled the signal transacting of radio section R11, R12.Here, multiple signal processing part 1031,1032 is consistently set with the number of radio section R11, R12.But be not limited thereto, a signal processing part 103 also can control multiple radio section, allows that the number of units of radio section is different with the number of signal processing part.
The upward signal from wireless terminal device MS1, MS2 received via radio section R11, R12 sends to IP network/public communication network NW via gateway apparatus GW by wireless portion control device G1.And, the downstream signal from IP network/public communication network NW received via gateway apparatus GW is distributed to appropriate radio section by signal dispenser 102, sends to wireless terminal device MS11, MS12 via radio section R11, R12.
Further, wireless portion control device G1 possesses received power measurement section 104, received power information storage part 105, geographical information management portion 106, radio section geography information storage part 107, adjacent radio section information storage part 108, aerial information preparing department 109, antenna combination information storage part 110 and antenna selecting portion operable 111.The received power summary information summarizing the measured value of received power, to the received power of each antenna measurement of each radio section from the upward signal of wireless terminal device MS1, MS2, is stored in received power information storage part 105 by received power measurement section 104.
Geographical information management portion 106, based on the geography information (latitude, longitude, height etc.) etc. of each radio section be stored in radio section geography information storage part 107, makes the adjacent radio section information of the neighbouring relations represented between radio section.Aerial information preparing department 109, based on the antenna direction of adjacent radio section information and each radio section, makes according to often organizing adjacent radio section the antenna combination information representing antenna combination, and is stored in antenna combination information storage part 110.Antenna selecting portion operable 111 is based on received power summary information and antenna combination information, from the antenna AN11 ~ AN1n of radio section R11 and the antenna AN21-AN2n of radio section R12, the antenna combination selected and use in radio communication between wireless terminal device MS11, MS12.
Below, the action of the wireless portion control device G1 so formed is described.
[adjacent radio section information makes]
Fig. 3 shows the example that adjacent radio section information makes process.
In figure 3, wireless portion control device G1 is connected with multiple radio section R11 ~ R14.The geographical information management portion 106 of wireless portion control device G1 is given geography information of radio section R11 ~ R14 (latitude, longitude, height etc.) etc. in advance as initial information when base station is arranged, and is stored in radio section geography information storage part 107 as radio section geography information.Whether adjacent geographical information management portion 106 carry out judgement based on the geography information of each radio section, and be judged as that the information of adjacent radio section combination is stored in adjacent radio section information storage part 108 by representing.As an example of judgement whether adjacent geographically, based on the transmission electric wave scope A11 ~ A14 of each radio section of the Distance geometry between radio section, the radio section sending electric wave overlapping ranges is judged as adjacent.Judgment standard is not limited to this example, also can be suitable for other neighbouring relations judgment modes employing geography information.
[antenna combination information makes process]
Fig. 4 shows the example that antenna combination information makes process.
In the diagram, about radio section R11, wireless portion control device G1 is endowed the antenna configuration information (azimuth information etc. of each antenna) of each antenna AN11 ~ AN14 when base station is arranged as initial information.Also be same about radio section R12, R13.The aerial information preparing department 109 of wireless portion control device G1, based on the antenna configuration information of adjacent radio section information storage part 108 and each radio section, for the combination of adjacent radio section, determines antenna combination information.Determining that the radio section number of combinations of antenna combination depends on can the upper limit number M of antenna of grand diversity, for the combination below antenna upper limit number, determines antenna combination information.Such as, when antenna upper limit number M=2, consider the combination of 2 radio sections, determine antenna combination parameter.When antenna upper limit number M=3, till considering 3 radio section combinations, determine antenna combination parameter.
Here, an example of antenna combination information determining method is described with reference to Fig. 5.
For being judged as adjacent radio section combination " R11, R12 " in adjacent radio section information storage part 108, based on the geography information of each radio section be stored in radio section geography information storage part 107, the distance obtained between each radio section reaches the shortest mid point X, and calculates the orientation till mid point X.Based on the antenna configuration information (R11) of radio section R11, antenna A13 nearer for the orientation of distance to mid point X is determined as using antenna.Also being similarly for radio section R12, based on the orientation to mid point X and antenna configuration information (R12), antenna AN22 being determined as using antenna.The antenna so determined is combined the antenna combination of " R11, R12 " as radio section, " AN13, AN22 " is stored in antenna combination information storage part 110.For other radio section combination, more than 3 radio section combine be all same.Combination deciding means is not limited thereto example, also can be suitable for other the combination deciding means employing geography information.
[grand diversity control]
In this wireless communication system, such as in fig. 2, if wireless terminal device MS11, MS12 are positioned at the adjacent edges of the community formed respectively by each radio section R11, R12, and the MIMO communication employing any one radio section becomes difficulty, then transfer to the grand diversity communication by multiple radio section R11, R12.Wireless terminal device MS11 and the grand diversity communication between radio section R11, R12 realize by the following method: the received power measuring the upward signal of wireless terminal device MS11, based on this measurement result, judgement could carry out grand diversity, be judged as can grand diversity when, determine will grand point concentrate use antenna combination and carry out transmissions control.
[received power measurement processing]
Fig. 6 shows an example of the received power measurement processing of the upward signal from wireless terminal device.
In figure 6, wireless portion control device G1 is connected with multiple radio section R11 ~ R14.The received power measurement section 104 of wireless portion control device G1 measures the received power of the upward signal A21 sent from the wireless terminal device MS11 omnidirectional each radio section R11 ~ R14, and the antenna selecting portion operable 111 to wireless portion control device G1 notifies received power information IN11 ~ IN14.In the example of fig. 6, each radio section R11 ~ R14 has many antenna AN11 ~ AN14, AN21 ~ AN24, AN31 ~ AN34, AN41 ~ AN44, therefore carries out received power measurement processing to each radio communication antenna of each radio section.Figure 6 illustrates the example that antenna number is 4, but antenna radical can depend on wireless communication system and set arbitrarily.
In addition, also can manage reception power measurement with mean value instead of instantaneous value.
In the example of fig. 7, in received power measurement section 104, during regulation during T, to each antenna continuous measurement received power in each antenna AN11 ~ AN14 of radio section R11.About each antenna, the received power measurement section 104 of wireless portion control device G1 notifies the mean receiving power information during period T to antenna selecting portion operable 111.Like this, preventing from due to the variation of instantaneous value getting rid of from candidate can the antenna of grand diversity.
[grand diversity could judgement]
Fig. 8 shows the received power summary information that possesses wireless portion control device G1 and could the example of judgement of grand diversity.
The received power summary information summarizing received power information IN11 ~ IN14 is stored in received power storage part 105 by the antenna selecting portion operable 111 receiving the received power information of each radio section R11 ~ R14 in Fig. 6 that the received power measurement section 104 in wireless portion control device G1 notifies.In addition, when storing received power summary information, about each received power information, store the corresponding identifying information of radio section and the identifying information of aerial information, and carry out the sequence of received power.
Preset received power threshold R to the antenna selecting portion operable 111 of wireless portion control device G1, use received power summary information and received power threshold R, judgement could carry out grand diversity.In fig. 8, the example that grand diversity when showing received power threshold R=50dB could judge.
The antenna selecting portion operable 111 of wireless portion control device G1 is with reference to received power summary information, and the antenna received power from wireless terminal device MS11 being greater than received power threshold R determines as grand diversity alternate antenna.When antenna selecting portion operable 111 determines to exist multiple for the antenna of grand diversity alternate antenna, being judged as wireless terminal device MS11 can grand diversity carry out the selection that grand diversity uses antenna.When grand diversity alternate antenna is single antenna, being judged as wireless terminal device MS11 can not grand diversity being communicated by single antenna.
[grand diversity uses sky line options]
Fig. 9 shows the example that the grand diversity employing received power summary information uses sky line options.
Presetting the antenna selecting portion operable 111 of wireless portion control device G2 can the upper limit value M of antenna number of grand diversity, uses during sky line options use in grand diversity.In fig .9, show can upper limit value M=2 of antenna number of grand diversity time example, but upper limit value M can change arbitrarily according to conditions such as the adjacent states will implemented between the software/hardware specification of wireless terminal device of grand diversity, the software/hardware specification of radio section, radio section.
When be judged as can grand diversity, antenna selecting portion operable 111 by grand diversity alternate antenna come upper n root antenna be chosen as use antenna candidate " AN22, AN14 ".The radical n selected is that the less value in the upper limit value M of the radical of grand diversity alternate antenna and the antenna number of Ke Hong diversity.Now, for be judged as can radio section R11, R12 of grand diversity, antenna selecting portion operable 111 is with reference to antenna combination information storage part 110, when determining as using the antenna combination of antenna candidate " AN22, AN14 " different from the antenna combination information predetermined, after being revised as the antenna combination " AN13, AN22 " of setting in antenna combination information storage part 110, determined as using antenna.
Like this, even if antenna close geographically, also can be selected by the antenna combination information predetermined in antenna combination information storage part 110 from when being excluded antenna candidate because of the variation of measure error or instantaneous value.For the many antennas that radio section R11 has, even if as when the received power of each antenna is equal or almost do not have antenna in differentiated situation to determine benchmark, which is also effective.
In addition, be judged as the radio section of grand diversity being combined under adjacent radio section information storage part 108 is judged as non-conterminous situation, antenna selecting portion operable 111 does not implement the grand diversity of this radio section combination, but select from other grand diversity alternate antenna can the radio section combination of grand diversity.
[grand diversity communication control]
Figure 10 shows an example of the communication utilizing grand diversity.
The antenna selecting portion operable 111 of wireless portion control device G1 sends the instruction of signal distributing altering to signal dispenser 102 with corresponding to above-mentioned determined use antenna, and sending signal processing part 1031,1032 uses antenna to change instruction, starts grand diversity communication.The instruction of signal distributing altering, to use the different radio section information belonging to antenna for parameter and being sent, uses antenna to change instruction to concentrate the aerial information of use for parameter and being sent at grand point.Signal dispenser 102 indicates the multiple radio section information comprised based on signal distributing altering, the downstream signal that will mail to counterpart terminal is distributed to the signal processing part 1031,1032 of multiple radio section R11, R12 belonging to antenna and sends.In addition, signal processing part 1031,1032 changes the aerial information in indicating based on being included in antenna, for concentrating at grand point radio section R11, R12 of using, control the transmitted power of the downstream signal of each antenna, carry out the transmission from the use antenna " AN13, AN22 " selected by antenna selecting portion operable 111 to wireless terminal MS11.
[adjacent radio section information, antenna combination information production order]
Figure 11 is an example of the order of the making step representing adjacent radio section information, antenna combination information.
In the example of Figure 11, show the action of the received power measurement section 104 in the wireless portion control device G1 of centralized control radio section R11 ~ 1n, geographical information management portion 106, radio section geography information storage part 107, aerial information preparing department 109 and antenna combination information storage part 110.
In wireless portion control device G1, when the initial setting up of base station (S101), geographical Information Management Department 106 is given to the initial information (S102) of the geography information of each radio section, aerial information preparing department 109 is given to the initial information (S103) of antenna configuration information.The geographical information management portion 106 of wireless portion control device G1 is based on the radio section geography information of the radio section R11 ~ 1n be endowed as initial information, make adjacent radio section information (S104), adjacent radio section information is kept in adjacent radio section information storage part 108 (S105) by geographical information management portion 106, and in order to make antenna combination information, and adjacent radio section information is exported to aerial information preparing department 109 make complete notice (SI06).
Aerial information preparing department 109 receives after adjacent radio section information makes complete notice, based on the antenna configuration information of adjacent radio section information and each radio section, make antenna combination information (S107), and be kept at (S108) in antenna combination information storage part 110.
In addition, when wireless portion control device G1 is added new radio section is set, also upgrade antenna combination information with same step.
[grand diversity communication order]
Figure 12 is an example of the order of the grand diversity communication step represented between wireless terminal device.
In the example in figure 12, the action of received power measurement section 104, signal processing part 1031 ~ 103n, signal dispenser 102 and the antenna selecting portion operable 111 in the wireless portion control device G1 of wireless terminal device MS11, radio section R11 ~ 1n, centralized control radio section R11 ~ 1n is shown.Signal processing part 1031 ~ 103n controls the signal transacting of radio section R11 ~ 1n respectively.
Received power measurement section 104 measures timing for opportunity measurement is from the received power (S201) of wireless terminal device MS11 with received power.Measure timing as received power, be terminal new when connecting, terminal handing-over (hand over) time and connection procedure in completely some cycles T time.In addition, by using different channels to each terminal, the received power also simultaneously can carrying out multiple wireless terminal device is thus measured.Received power measurement result is informed to the antenna selecting portion operable 111 of wireless portion control device G1 by received power measurement section 104 as received power notice (S202).
Antenna selecting portion operable 111 using received power notice be stored in received power information storage part 105 as received power summary information, carry out grand diversity could judgement (S203).When the result of this judgement be judged as can grand diversity, antenna selecting portion operable 111 is then implemented to concentrate at grand point the selection (S204) of antenna used according to above-mentioned step.Signal distributing altering instruction (S205), based on selected aerial information, is sent to signal dispenser 102 by antenna selecting portion operable 111.The parameter information that signal dispenser 102 indicates based on signal distributing altering, the downlink data that will mail to wireless terminal device MS11 distributes to appropriate signal processing part 103 and starts to send.In addition, export use antenna to change instruction (S206) to multiple signal processing part 103, wherein, the plurality of signal processing part 103 uses the antenna part belonging to the antenna of antenna to control to being chosen as grand diversity.Signal processing part 103, based on the parameter information using antenna to change instruction, controls the downstream signal transmitted power relevant to the antenna of corresponding radio section and starts grand diversity communication (S207).
In addition, send signal distributing altering instruction (S205) and use antenna to change and indicate the timing of (S206) different according to received power measurement timing.When the new connection for wireless terminal device MS11, antenna selecting portion operable 111 is sent and is used antenna change indicate and start grand diversity communication after terminal joint reason.When wireless terminal device MS11 is in handshaking, antenna selecting portion operable 111 is sent and is used antenna change indicate and start grand diversity communication after handing-over process.When wireless terminal device MS11 is in connection procedure and has expired some cycles T, antenna selecting portion operable 111 exports immediately and uses antenna change indicate and start grand diversity communication.In addition, when being judged as that the wireless terminal device MS11 be in before this in grand diversity communication implementation process can not carry out grand diversity communication, carry out stop signal by signal distributing altering instruction (S205) to distribute, the use that instruction (S206) stops multiple antenna is changed by using antenna, thus also can Stop Macro diversity communication.
In addition, the beginning order of grand diversity communication is not limited to said sequence.
(the second execution mode)
Second execution mode illustrates does not give the action as the situation of initial information of radio section geography information and antenna configuration information.In addition.The second execution mode adjacent radio section information changed in above-mentioned first execution mode makes process, antenna combination information makes process and antenna combination information production order.In addition all identical with above-mentioned first execution mode, therefore omit detailed description.
[adjacent radio section information makes process]
Such as when the geography information of not giving radio section R11 ~ 1n to the geographical information management portion 106 of wireless portion control device G1 is as initial information, calibration (Calibration) is used to make neighbor information.When initial setting up, the geographical information management portion 106 of wireless portion control device G1 each radio section is calibrated after result gather, obtain each radio section detects other radio sections of surrounding information when calibrating.Geographical information management portion 106 is judged as YES the radio section adjacent with the radio section implementing to calibrate by by calibrating other the radio section detected, and is stored in adjacent radio section information storage part 108.
[antenna combination information makes process]
The aerial information preparing department 109 of wireless portion control device G1, when not being endowed antenna configuration information as initial information, uses calibration to make antenna combination information.When calibrating when each radio section is in initial setting up, each radio section is calibrated each antenna, and aerial information preparing department 109 gathers having carried out the result after calibrating.For being judged as adjacent radio section combination in adjacent radio section information storage part 108, aerial information preparing department 109 determines when calibrating as using antenna from the antenna that the received power of opposed radio section is higher.
[adjacent radio section information, antenna combination information production order]
Figure 13 represents not give radio section geography information, antenna configuration information as an example of the order of the making step of adjacent radio section information when initial information, antenna combination information.
In the example of Figure 13, show the action of the received power measurement section 104 in the wireless portion control device G1 of centralized control radio section R11 ~ 1n, geographical information management portion 106, radio section geography information storage part 107, aerial information preparing department 109 and antenna combination information storage part 110.
The geographical information management portion 106 of wireless portion control device G1, when the initial setting up of base station (S301), based on the radio section geography information of the radio section R11 ~ 1n be endowed as initial information, makes adjacent radio section information (S304).When not giving radio section geography information as initial information, making adjacent radio section information according to the calibration results, therefore sending targeted message request (S302) from geographical information management portion 106 to reception power measurement portion 104.After received power measurement section 104 receives targeted message request (S302), sent as the calibration results notice (S303) by the targeted message being connected to each radio section R11 ~ 1n of wireless portion control device G1, geographical information management portion 106 makes adjacent radio section information (S304) based on the information received.Adjacent radio section information is kept in adjacent radio section information storage part 108 (S305) by geographical information management portion 106, and in order to make antenna combination information, and adjacent radio section information is exported to aerial information preparing department 109 make complete notice (S306).
The aerial information preparing department 109 of wireless portion control device G1, based on the antenna configuration information of radio section geography information, adjacent radio section information and each radio section, makes antenna combination information (S308).When not giving antenna configuration information as initial information, the calibration results according to each antenna makes antenna combination information, therefore sends antenna targeted message request (S307) from aerial information preparing department 109 to reception power measurement portion 104.After received power measurement section 104 receives antenna targeted message, as antenna the calibration results, (S308) is notified to the targeted message that each radio section R11 ~ 1n being connected to wireless portion control device G1 sends each antenna carries out.Antenna selecting portion operable 111 makes antenna combination information (S309) based on the targeted message received, and is kept at (S310) in antenna combination information storage part 110.
Therefore, according to above-mentioned second execution mode, even if when not giving geography information or the antenna configuration information of each radio section in advance, infer neighbouring relations by calibration during initial setting up and make these information, thus in the same manner as above-mentioned first execution mode, the grand diversity communication of best sky line options can be utilized.
As previously discussed, in above-mentioned first execution mode and the second execution mode, by the radio section of existing base station and control section from, using control part as wireless portion control device and when realizing grand diversity by intensive base station manner, wireless portion control device, except gather the measurement result of the received power come from each radio section except, also selects grand diversity antenna combination based on the adjacent radio section information of neighbouring relations represented between each radio section and the antenna configuration information of each radio section.
Specifically, when being judged as that radio section is adjacent one another are according to the geography information etc. of radio section, based on the configuration information of antenna between adjacent radio section, selecting the antenna near opposed radio section respectively, and being set as antenna combination.And.When implementing sky line options, for the radio section combination being chosen as grand diversity antenna, when received power come upper antenna combination different from the antenna combination of above-mentioned setting, be modified to the antenna combination setting grand diversity antenna, and start grand diversity action.That is, the enforcement of the grand diversity utilizing antenna geographically far away can be suppressed.
Grand diversity is by sending from multiple radio section to same terminal the technology that electric wave improves gain, even if but among multiple antennas of having at radio section of the antenna being used in grand diversity, also wish to be used in geographically close with opposed grand diversity radio section antenna.But, when have selected the antenna far away apart from opposed radio section in multiple antennas that radio section has in the variation due to measure error or received power, can not get original gain and improve effect, there is the worry of the decreased effectiveness of grand diversity communication.
According to the present embodiment, even if there is variation or the measure error of received power, also efficient antenna can be selected.Thereby, it is possible to carry out grand diversity in a wireless communication system, and best antenna can be selected, therefore, it is possible to effectively improve the deterioration of the communication quality of the terminal be present near cell edge.
In addition, describe several execution mode of the present invention, but these execution modes illustrate as an example, have no intention to limit scope of invention.These new execution modes can be implemented in various modes in addition, not departing from the scope of aim of invention, can carry out various omission, displacement, change.These execution modes and distortion thereof are included in scope of invention and aim, and in the invention be included in described in entitlement requests book and equivalent scope thereof.
Claims (11)
1. a radio base station apparatus, is characterized in that, possesses:
Multiple radio section, has multiple antenna, by transmitting/receiving wireless signal between described antenna and wireless terminal;
Measuring unit, to the received power of each described antenna measurement from the upward signal of described wireless terminal;
Neighbor information production unit, makes the information of the neighbouring relations represented between described radio section;
Aerial information production unit, based on the information of neighbouring relations represented between described radio section and the antenna direction of described radio section, makes according to often organizing adjacent radio section the information representing antenna combination;
Selected cell, based on the measured value of described received power, selects the antenna combination candidate used in the grand diversity communication between described wireless terminal;
Determining means, based on described antenna combination candidate and the information representing described antenna combination, determines the antenna combination used in described grand diversity communication; And
Signal processing unit, according to described antenna combination, carries out described grand diversity communication by described multiple radio section.
2. the radio base station apparatus as described in entitlement requests 1, is characterized in that,
Described upward signal is sent from described wireless terminal omnidirectional.
3. the radio base station apparatus as described in entitlement requests 1, is characterized in that,
The measured value of described received power and the threshold value that presets compare by described selected cell, when there is multiple antenna of more than described threshold value and more than described threshold value antenna is neighbouring relations, are judged as carrying out described grand diversity communication.
4. the radio base station apparatus as described in entitlement requests 1, is characterized in that,
Described neighbor information production unit, based on the geography information of each radio section be endowed when initial setting up, makes the information of the neighbouring relations represented between described radio section.
5. the radio base station apparatus as described in entitlement requests 1, is characterized in that,
Described aerial information production unit, based on the information of the antenna direction of each radio section of expression be endowed when initial setting up, makes the information representing described antenna combination.
6. the radio base station apparatus as described in entitlement requests 1, is characterized in that,
Described neighbor information production unit infers the neighbouring relations between described radio section according to calibration during initial setting up.
7. the radio base station apparatus as described in entitlement requests 1, is characterized in that,
Described aerial information production unit, based on the communication quality of each antenna in calibration during initial setting up, infers described antenna direction.
8. the radio base station apparatus as described in entitlement requests 1, is characterized in that,
Described aerial information production unit based on the information of neighbouring relations represented between described radio section and the antenna direction of described radio section, according to the information often organizing adjacent radio section and make the antenna combination representing nearer geographically.
9. the radio base station apparatus as described in entitlement requests 1, is characterized in that,
The measured value of described received power is the mean value of certain period.
10. a wireless portion control device, controls by multiple radio sections of transmitting/receiving wireless signal between multiple antenna and wireless terminal, it is characterized in that possessing:
Measuring unit, to the received power of each described antenna measurement from the upward signal of described wireless terminal;
Neighbor information production unit, makes the information of the neighbouring relations represented between described radio section;
Aerial information production unit, based on the information of neighbouring relations represented between described radio section and the antenna direction of described radio section, according to often organizing adjacent radio section, makes the information representing antenna combination;
Selected cell, based on the measured value of described received power, selects the antenna combination candidate used in the grand diversity communication between described wireless terminal;
Determining means, based on described antenna combination candidate and the information representing described antenna combination, determines the antenna combination used in described grand diversity communication; And
Signal processing unit, according to described antenna combination, carries out described grand diversity communication by described multiple radio section.
11. 1 kinds of wireless communications methods, use in wireless portion control device, and this wireless portion control device controls by multiple radio sections of transmitting/receiving wireless signal between multiple antenna and wireless terminal, and it is characterized in that, this wireless communications method comprises:
Measuring process, to the received power of each described antenna measurement from the upward signal of described wireless terminal;
Neighbor information making step, makes the information of the neighbouring relations represented between described radio section;
Aerial information making step, based on the information of neighbouring relations represented between described radio section and the antenna direction of described radio section, makes according to often organizing adjacent radio section the information representing antenna combination;
Select step, based on the measured value of described received power, select the antenna combination candidate used in the grand diversity communication between described wireless terminal;
Deciding step, based on described antenna combination candidate and the information representing described antenna combination, determines the antenna combination used in described grand diversity communication; And
Signal transacting step, according to described antenna combination, carries out described grand diversity communication by described multiple radio section.
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| JP2010-254983 | 2010-11-15 | ||
| JP2010254983A JP5159863B2 (en) | 2010-11-15 | 2010-11-15 | Radio base station apparatus, radio unit control apparatus, and radio communication method |
| CN2011101823869A CN102468877A (en) | 2010-11-15 | 2011-06-30 | Wireless base station device, wireless portion control device and wireless communication method |
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| CN2011101823869A Division CN102468877A (en) | 2010-11-15 | 2011-06-30 | Wireless base station device, wireless portion control device and wireless communication method |
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| CN2011101823869A Pending CN102468877A (en) | 2010-11-15 | 2011-06-30 | Wireless base station device, wireless portion control device and wireless communication method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110098857A (en) * | 2019-03-29 | 2019-08-06 | 华为技术有限公司 | The antenna switching method and device of terminal device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US9042829B2 (en) * | 2013-01-04 | 2015-05-26 | Nokia Corporation | Method, apparatus, and computer program product for wireless short-range communication |
| CN105493345A (en) * | 2013-08-29 | 2016-04-13 | 旭硝子株式会社 | Antenna directivity control system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1258139A (en) * | 1998-12-14 | 2000-06-28 | 松下电器产业株式会社 | Receiving device and receiving method |
| CN1350348A (en) * | 2000-10-25 | 2002-05-22 | 日本电气株式会社 | Apparatus and method for controlling directivity of transmitting antenna |
| WO2008154227A1 (en) * | 2007-06-06 | 2008-12-18 | Ntt Docomo, Inc. | A method and apparatus for transmission from multiple base stations over wireless radio networks |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3034481B2 (en) * | 1996-03-21 | 2000-04-17 | エヌ・ティ・ティ移動通信網株式会社 | Mobile communication method, base station apparatus and mobile station apparatus |
| JP3428850B2 (en) * | 1997-03-11 | 2003-07-22 | 三菱電機株式会社 | Wireless communication system |
| KR20030019904A (en) * | 2001-06-06 | 2003-03-07 | 마츠시타 덴끼 산교 가부시키가이샤 | Cellular radio transmission apparatus and cellular radio transmission method |
| US7603141B2 (en) * | 2005-06-02 | 2009-10-13 | Qualcomm, Inc. | Multi-antenna station with distributed antennas |
| CN100407825C (en) * | 2005-10-18 | 2008-07-30 | 上海贝尔阿尔卡特股份有限公司 | A distributed base station, communication system and its used signal transmission method |
| JP4855292B2 (en) * | 2007-02-13 | 2012-01-18 | 三菱電機株式会社 | Base station, reception diversity method, transmission diversity method, and radio link establishment method |
| CN100568767C (en) * | 2007-04-23 | 2009-12-09 | 大唐移动通信设备有限公司 | A kind of signal acceptance method of mobile communication terminal and device |
| JP5445866B2 (en) * | 2009-01-30 | 2014-03-19 | 株式会社日立製作所 | Wireless communication system and communication control method |
-
2010
- 2010-11-15 JP JP2010254983A patent/JP5159863B2/en not_active Expired - Fee Related
-
2011
- 2011-06-30 CN CN201510071062.6A patent/CN104639225B/en not_active Expired - Fee Related
- 2011-06-30 CN CN2011101823869A patent/CN102468877A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1258139A (en) * | 1998-12-14 | 2000-06-28 | 松下电器产业株式会社 | Receiving device and receiving method |
| CN1350348A (en) * | 2000-10-25 | 2002-05-22 | 日本电气株式会社 | Apparatus and method for controlling directivity of transmitting antenna |
| WO2008154227A1 (en) * | 2007-06-06 | 2008-12-18 | Ntt Docomo, Inc. | A method and apparatus for transmission from multiple base stations over wireless radio networks |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110098857A (en) * | 2019-03-29 | 2019-08-06 | 华为技术有限公司 | The antenna switching method and device of terminal device |
| CN110098857B (en) * | 2019-03-29 | 2021-04-09 | 华为技术有限公司 | Antenna switching method and device for terminal equipment |
| US11916629B2 (en) | 2019-03-29 | 2024-02-27 | Huawei Technologies Co., Ltd. | Antenna switching method for terminal device and apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5159863B2 (en) | 2013-03-13 |
| JP2012109674A (en) | 2012-06-07 |
| CN102468877A (en) | 2012-05-23 |
| CN104639225B (en) | 2016-04-20 |
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