CN102237904A - Wireless substrate device and wireless control device - Google Patents
Wireless substrate device and wireless control device Download PDFInfo
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- CN102237904A CN102237904A CN2011100293742A CN201110029374A CN102237904A CN 102237904 A CN102237904 A CN 102237904A CN 2011100293742 A CN2011100293742 A CN 2011100293742A CN 201110029374 A CN201110029374 A CN 201110029374A CN 102237904 A CN102237904 A CN 102237904A
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
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Abstract
The embodiment of the invention relates to a wireless substrate device and a wireless control device performing wireless communication with a mobile station. The invention provides a wireless substrate device and a wireless control device capable of improving communication quality of terminals near the edge of a honeycomb. The wireless substrate device is provided with: a plurality of wireless parts (R11, R12) receiving wireless signals via a plurality of antennas (AN11-aAN1n); a receiving power measuring parts (104) measuring receiving power of uplink signals from the terminals (MS11, MS12) for each antenna; a selecting part (106) selecting an antenna combination used in wireless communication with the terminals according to measuring results of the receiving power; and a signal processing part (103) performing communication control of a plurality of wireless parts (R11, R12) according to combination of antennas.
Description
The application is based on the Japanese patent application 2010-107594 (applying date: 05/07/2010), and enjoy the priority of this application.The application comprises the full content of this application in the mode of reference this application.
Technical field
Embodiments of the present invention relate to and mobile radio station between carry out the radio base station apparatus and the control device of wireless of radio communication.
Background technology
In recent years, the High Level and the high speed of mobile radio communications system constantly develop, and in communication systems such as WiMAX, LTE, XGP system, inquire into over against the radio communication that realizes having above the theoretical velocity of 100Mbps.Technology as the high speed that is used to realize radio communication, can enumerate the base station have a plurality of antennas and by carry out spatial reuse improve with the MIMO of communication between terminals speed (Multiple Input Multiple Output: technology multiple-input and multiple-output), all inquiring into its application in the mobile radio communications system from generation to generation many times.
But though MIMO can expect to improve the speed of honeycomb central part, near the communication degradation cell edge becomes problem.
Summary of the invention
The purpose of present embodiment is, a kind of radio base station apparatus and control device of wireless that can improve near the communication quality of the terminal of cell edge is provided.
The radio base station apparatus that present embodiment relates to and terminal between carry out radio communication, possess: a plurality of radio sections possess a plurality of antennas, by above-mentioned a plurality of antenna receiving-sending wireless signals; Determination unit is to the received power of each above-mentioned antenna mensuration from the upward signal of above-mentioned terminal; Selected cell, according to the measurement result of above-mentioned received power, be chosen in and above-mentioned terminal between radio communication in the combination of the antenna that uses; And signal processing unit, carry out the Control on Communication of above-mentioned a plurality of radio sections according to the combination of above-mentioned antenna.
The control device of wireless that present embodiment relates to is controlled a plurality of wireless devices, these a plurality of wireless devices and terminal between by a plurality of antenna receiving-sending wireless signals, this control device of wireless possesses: determination unit, to the received power of each above-mentioned antenna mensuration from the upward signal of above-mentioned terminal; Selected cell, according to the measurement result of above-mentioned received power, be chosen in and above-mentioned terminal between radio communication in the combination of the antenna that uses; And signal processing unit, carry out the Control on Communication of above-mentioned a plurality of radio sections according to the combination of above-mentioned antenna.
By the radio base station apparatus and the control device of wireless of said structure, can improve near the communication quality of the terminal of cell edge.
Description of drawings
Fig. 1 is the structure chart that possesses the wireless system of the radio base station apparatus that first execution mode relates to.
Fig. 2 is the block diagram of the structure of the radio base station apparatus that relates to of expression first execution mode.
Fig. 3 is the figure that the received power of expression up (up link) signal is measured example.
Fig. 4 is the figure of an example of expression received power summary information.
Fig. 5 is the figure that can the judgement in expression first execution mode carry out grand diversity (macro diversity).
Fig. 6 is the figure that the grand diversity in expression first execution mode uses the selection of antenna to handle.
Fig. 7 is the figure of the grand diversity communication in expression first execution mode.
Fig. 8 is the figure of the grand diversity communication beginning order in expression first execution mode.
Fig. 9 is the block diagram of the structure of the radio base station apparatus that relates to of expression second execution mode.
Figure 10 is the figure that can the judgement in expression second execution mode carry out grand diversity.
Figure 11 is the figure that the grand diversity in expression second execution mode uses the selection of antenna to handle.
Figure 12 is the figure of the grand diversity communication beginning order in expression second execution mode.
Embodiment
Below, the radio base station apparatus and the control device of wireless that relate to reference to the description of drawings present embodiment.
(first execution mode)
Fig. 1 is the structure chart that possesses the wireless system of the radio base station apparatus that first execution mode relates to.
In Fig. 1, on gateway apparatus GW, connecting IP network/public network NW, on gateway apparatus GW, connecting a plurality of radio base station apparatus BS1, BS2.Radio base station apparatus BS1 possesses a plurality of radio section R11～R1n that carry out wireless transmitting-receiving and carries out control device of wireless G1 about the distribution of wireless signal processing and signal.Wireless terminal or possess radio communication with the wireless terminal device MS11～MS1m such as PC of data card and radio section R11～R1n between carry out sound or data communication.Radio section R11～R1n possesses many antennas respectively, and the transmitted power that can adjust a plurality of antennas makes downstream signal have directive property.Radio base station apparatus BS2 is identical with radio base station apparatus BS1, possess control device of wireless G2 and and wireless terminal device between carry out a plurality of radio section R21～R2n of radio communication.
Fig. 2 is the block diagram of an example of the structure of expression radio base station apparatus.Below, describe as representative with radio base station apparatus BS1.
In Fig. 2, gateway apparatus GW is connected with control device of wireless G1 with IP network/public network NW, and control device of wireless G1 and a plurality of radio section R11, R12 are for example by wired connections such as optical fiber.Radio section R11 be provided be used for and wireless terminal device MS11, MS12 between a plurality of antenna AN11～AN1n of radio communication, same, also be provided with a plurality of antenna AN21～An2n that radio communication is used at radio section R12.
Be provided with wireless communication part 101 in wireless terminal device MS11, MS12 and radio section R11, R12, wireless terminal device MS11, MS12 carry out radio communication by wireless communication part 101 with one or more radio sections.In control device of wireless G1, be provided with the data that will receive from gateway apparatus GW to carrying out the signal allocation portion 102 that radio section R11, the R12 of radio communication distribute with wireless terminal device MS11, MS12 and carrying out signal processing part 103 about the control of radio communication.
Control device of wireless G1 will send to IP network/public network NW via gateway apparatus GW via the upstream data from wireless terminal device MS11, MS12 that radio section R11, R12 receive.In addition, will distribute to suitable radio section by signal allocation portion 102 via the downlink data that gateway apparatus GW receives, and send to wireless terminal device MS11, MS12 via radio section R11, R12 from IP network/public network NW.
And then, in control device of wireless G1, be provided with that mensuration gathers the received power information that receives power measurement portion 104 and measure from the received power determination part 104 of the received power of the upward signal of wireless terminal device MS11, MS12, storage and the received power information storage part 105 of the received power summary information that obtains and according to the received power summary information select and wireless terminal device MS11, MS12 between the antenna selection portion 106 of the employed antenna of radio communication.Antenna selection portion 106 can be among antenna AN21～AN2n of the antenna AN11～AN1n of radio section R11 and radio section R12, select arbitrarily and wireless terminal device MS11, MS12 between the combination of the employed antenna of radio communication.
The below action of the control device of wireless G1 of this structure of explanation.
[grand diversity control]
In this wireless communication system, for example in Fig. 2, if wireless terminal device MS11, MS12 are present near the edge of the honeycomb that is formed respectively by radio section R11, R12, the MIMO that is difficult to carry out via any radio section communicates by letter, and then is transferred to the grand diversity communication via a plurality of radio section R11, R12.Wireless terminal device MS11, MS12 communicate by letter with the grand diversity between radio section R11, the R12 and realize by the following method, that is: radio section control device G1 measures the received power of the upward signal of wireless terminal device MS11, MS12, can the measurement result judgement according to received power carry out grand diversity, can carry out under the situation of grand diversity being judged as, determine the employed combination of antennas of grand diversity and send control.Improve the received power of terminal by the antenna that uses different radio sections like this, the deterioration of the communication quality that is present near the terminal the cell edge is improved.
[received power is measured and is handled]
In Fig. 3, the received power of the upward signal of expression wireless terminal device is measured an example of handling.
In Fig. 3, a plurality of radio section R11～R14 are connected with control device of wireless G1.The received power determination part 104 of control device of wireless G1 is measured the received power of the upward signal A11 that sends from wireless terminal device MS11 among each radio section R11～R14.Received power information IN11～14 of measuring are stored in the received power information storage part 105.Antenna selection portion 106 is according to received power information IN11～14 that are stored in the received power information storage part 105, select to be used for and MS11 between carry out the combination of the antenna of radio communication.In the example of Fig. 3, each radio section R11～R14 has many antenna AN11～14, AN21～24, AN31～34, AN41～44, so received power mensuration is all carried out with antenna for each radio communication of each radio section.Represented that in Fig. 3 antenna amount is 4 a example, but the antenna radical can be set according to wireless communication system arbitrarily.
[received power is measured regularly]
Measure an example regularly as received power, these three kinds of expression during with new connection of wireless terminal device MS11, when transfer, the some cycles in connecting are regularly as the situation of enforcement opportunity.
At wireless terminal device MS 11 is newly to begin under the situation of the new terminal that connects, and the initial link channel when received power determination part 104 will newly connect is set up request signal and carried out received power as the upward signal A11 of determination object and measure.Use the common control of using of a plurality of radio section R11～R14 to carry out omnidirectional from the link channel request of setting up of wireless terminal device MS11 and send (オ system ニ delivers letters) with channel.Antenna selection portion 106 can be carried out under the situation of grand diversity new terminal being judged as, and from the moment that this base station apparatus has been accommodated wireless terminal device MS11, beginning is based on the communication of grand diversity.
At wireless terminal device MS11 is under the situation of the terminal in the transfer, and the initial transfer request signal that when received power determination part 104 will be transferred base station apparatus omnidirectional will on every side be sent carries out received power mensuration as the upward signal A11 of determination object.Transfer request signal from wireless terminal device MS11 uses the common control of using of a plurality of radio section R11～R14 to carry out omnidirectional's transmission with channel.Antenna selection portion 106 can be carried out under the situation of grand diversity in the terminal that is judged as in transferring, from transferring the communication that begins after the success based on grand diversity.
Under wireless terminal device MS11 is situation with terminal during this base station apparatus is connected, received power determination part 104 is from connecting beginning according to some cycles T (second), the independent communication that is assigned to wireless terminal device MS11 measured as received power with the part of channel send test massage, test signal is carried out received power as the upward signal A11 of determination object measure with channel.Antenna selection portion 106 can be carried out under the situation of grand diversity in the terminal that is judged as in connecting, and begins the communication based on grand diversity behind the decision antenna immediately.
The judgement of grand diversity [can]
In Fig. 4, expression is by an example of the received power summary information of control device of wireless G1 management.
At this, the received power summary information is made as and is stored in the received power information storage part 105.If received power determination part 104 has been measured the received power information of each the radio section R11～R14 among Fig. 3, then notify antenna selection portion 106.106 couples of notified received power information IN11～IN14 of antenna selection portion gather, and leave in the received power information storage part 105 as the received power summary information.In addition, when depositing received power information,, the identifying information of the identifying information of the radio section of correspondence and antenna is set up correspondence store, and carry out ordering based on received power for each received power information.
In Fig. 5, expression has utilized the grand diversity of received power summary information to use an example of day line options.
In the antenna selection portion 106 of control device of wireless G1, preestablished received power threshold information R, utilize received power summary information and received power threshold information R to judge and can carry out grand diversity.In Fig. 5, the example that can the judgement during expression received power threshold information R=50dB be transferred.
The antenna selection portion 106 of control device of wireless G1 is with reference to the received power summary information, will be grand diversity candidate's antenna greater than the antenna decision of received power threshold information R from the received power of the upward signal of wireless terminal device MS11.Exist under a plurality of situations for the antenna of grand diversity candidate's antenna in decision, be judged as wireless terminal device and can carry out grand diversity, and carry out the selection that grand diversity is used antenna.
[grand diversity is used a day line options]
In Fig. 6, expression has utilized the grand diversity of received power summary information to use an example of day line options.
In the antenna selection portion 106 of control device of wireless G1, preestablished the upper limit value M that can carry out the antenna amount of grand diversity, when using the sky line options, grand diversity uses.In Fig. 6, expression can be carried out the example of upper limit value M=3 o'clock of the antenna amount of grand diversity, but upper limit value M is to be decided by conditions such as the software/hardware specification of the wireless terminal device of implementing grand diversity, the software/hardware specification of radio section, the adjacent states of radio section etc.
The antenna selection portion 106 of control device of wireless G1 can be carried out under the situation of grand diversity being judged as, and the n root from upper beginning among grand diversity candidate's antenna is chosen as the use antenna.At this moment, be chosen as a less side among the upper limit value M of the radical n that uses antenna radical that is made as grand diversity candidate's antenna and the antenna amount that can carry out grand diversity.In addition, be made as from the n root combination of antennas of upper beginning and be not limited in the same radio section, and can freely select.Under the situation that the use antenna of selecting is made of the antenna of different radio sections, become the grand diversity communication of using a plurality of radio sections.Under the situation that the use antenna of selecting is made of the antenna of same radio section, become MIMO communication.
[grand diversity Control on Communication]
In Fig. 7, expression is based on an example of the communication of grand diversity.
The antenna selection portion 106 of control device of wireless G1 is under situation about being made of the antenna of different radio section R11, R12 according to the use antenna of received power decision, signal allocation portion 102 is sent signal allocation change indication, signal processing part 1031,1032 is sent use antenna change indication and begin grand diversity communication.Signal allocation change indication will use the different separately radio section information under the antenna to send as parameter, use antenna change indication that the employed aerial information of grand diversity is sent as parameter.A plurality of radio section information that signal allocation portion 102 is included according to signal allocation change indication will distribute at the signal processing part 1031,1032 of radio section R11, the R12 of downlink data under antenna of this terminal and send.In addition, signal processing part 1031,1032 is according to the included aerial information of antenna change indication, control the downlink transmission power of each antenna at the employed radio section R11 of grand diversity, R12, only carry out using day transmissions of alignment wireless terminal device MS11 from antenna selection portion 106 is selected.
[communication sequence]
Fig. 8 be with wireless terminal device between an example of the grand diversity order of communicating by letter.
In the example of Fig. 8, expression wireless terminal device MS11, radio section R11～1n and the sequence of movement that radio section R11～1n is gathered received power determination part 104, signal processing part 1031～103n, signal allocation portion 102 and antenna selection portion 106 in the control device of wireless G1 of control.
As control device of wireless G1, in received power determination part 104, measure timing as opportunity with received power, measure the received power (step S101) of wireless terminal device MS11.Measure regularly as received power, when terminal newly connects, when terminal is transferred and each the fixed cycle T in connecting carry out.Wherein, also can measure the received power that each terminal uses different channels to carry out a plurality of terminals simultaneously.Received power determination part 104 is notified to the received power measurement result antenna selection portion 106 of control device of wireless G1 as received power notice (step S102).
Wherein, sending signal allocation change indication (step S105) measures regularly different with the timing of using antenna change indication (step S106) and received power.When wireless terminal device MS11 newly connects, after the terminal connection processing is finished, send and use antenna change indication and begin grand diversity communication.Under wireless terminal device MS11 is in situation in the transfer, sends and use antenna change indication and begin grand diversity communication in the transfer back of finishing dealing with.Be in the connection and some cycles T when expiration at wireless terminal device MS11, send immediately and use antenna change indication also to begin grand diversity communication.In addition, wireless terminal device in being in grand diversity communication enforcement before this is judged as under the situation that can't carry out grand diversity communication, also can be made as by signal allocation change indication (step S105) comes stop signal to distribute, by using antenna change indication (step S106) to stop the use of a plurality of antennas, the Stop Macro diversity is communicated by letter thus.
Wherein, the beginning of grand diversity communication order is not defined as said sequence.
(second execution mode)
Fig. 9 is the block diagram of the structure example of the radio base station apparatus that relates to of expression second execution mode.Wherein, the structure of the wireless system that relates to of second execution mode is made as identical with above-mentioned first execution mode.In addition, for the additional identical symbol of the structure identical, only carry out the explanation of repetition in the case of necessary with first execution mode.
In Fig. 9, on gateway apparatus GW, connecting IP network/public network NW and control device of wireless G1, control device of wireless G1 and a plurality of radio section R11, R12 are for example by wired connections such as optical fiber.Radio section R11 be provided with and wireless terminal device MS11, MS12 between a plurality of antenna AN11～AN1n of using of radio communication, same, also be provided with a plurality of antenna AN21～AN2n that radio communication is used at radio section R12.
Be provided with wireless communication part 201 at wireless terminal device MS11, MS12 and radio section R11, R12, wireless terminal device MS11, MS12 carry out radio communication by wireless communication part 201 with one or more radio sections.At control device of wireless G1, be provided with the data that will receive from gateway apparatus GW to carrying out the signal allocation portion 202 that radio section R11, the R12 of radio communication distribute with wireless terminal device MS11, MS12 and carrying out signal processing part 203 about the control of radio communication.Control device of wireless G1 will send to IP network/public network NW via gateway apparatus GW via the upstream data from wireless terminal device MS11, MS12 that radio section R11, R12 receive.In addition, will distribute to suitable radio section by signal allocation portion 202 via the downlink data that gateway apparatus GW receives, and send to wireless terminal device MS11, MS12 via radio section R11, R12 from IP network/public network NW.
And then, at radio section R11, R12, be provided with the received power determination part 204 of mensuration from the received power of the upward signal of wireless terminal device MS11, MS12, control device of wireless G1 be provided with that storage gathers the received power information that receives power measurement portion 204 and measure and the received power information storage part 205 of the received power summary information that obtains and select according to the received power summary information and wireless terminal device between the antenna selection portion 206 of employed radio communication of communicating by letter with antenna.
The below action of the control device of wireless G1 of this structure of explanation.
[grand diversity control]
Wireless terminal device MS11, MS12 communicate by letter with the grand diversity between radio section R11, the R12 and realize by the following method, that is: in a plurality of radio section R11, R12, measure the received power of the upward signal of wireless terminal device MS11, MS12, can radio section control device G1 judges according to the measurement result of received power carry out grand diversity, can carry out under the situation of grand diversity being judged as, determine the employed combination of antennas of grand diversity and send control.
[received power is measured and is handled]
Utilize above-mentioned Fig. 3, the received power mensuration processing from the upward signal of wireless terminal device is described.
In Fig. 3, a plurality of radio section R11～R14 are connected with control device of wireless G1.The received power determination part 204 of radio section R11～R14 is measured from the received power of the upward signal A11 of wireless terminal device MS11 transmission, only received power is notified to the antenna selection portion 206 of control device of wireless G1 greater than the aerial information of predefined received power threshold information R.In the example of Fig. 3, each radio section R11～R14 has many antenna AN11～14, AN21～24, AN31～34, AN41～44, so each antenna that received power is measured for each radio section R11～R14 carries out.Represented that in Fig. 3 antenna amount is 4 a example, but the antenna radical can be set according to wireless communication system arbitrarily.
[received power is measured regularly]
Identical with above-mentioned first execution mode, therefore omit explanation.
The judgement of grand diversity [can]
In Figure 10, expression is by an example of the received power summary information of control device of wireless G1 management.
[grand diversity is used a day line options]
In Figure 11, expression has utilized the grand diversity of received power summary information to use an example of day line options.
In the antenna selection portion 206 of control device of wireless G1, preestablished the upper limit value M that can carry out the antenna amount of grand diversity, when using the sky line options, grand diversity uses.In Figure 11, expression can be carried out the example of upper limit value M=3 o'clock of the antenna amount of grand diversity, but upper limit value M is made as by conditions such as the software/hardware specification of the wireless terminal device of implementing grand diversity, the software/hardware specification of radio section, the adjacent states of radio section etc. and decides.
The antenna selection portion 206 of control device of wireless G1 can be carried out under the situation of grand diversity being judged as, and the n root from upper beginning among grand diversity candidate's antenna is chosen as the use antenna.At this moment, the less side among the upper limit value M of the radical n of selection radical that is made as grand diversity candidate's antenna and the antenna amount that can carry out grand diversity.In addition, be made as from the n root combination of antennas of upper beginning and be not limited in the same radio section, and can freely select.Under the situation that the use antenna of selecting is made of the antenna of different radio sections, become the grand diversity communication of using a plurality of radio sections.Under the situation that the use antenna of selecting is made of the antenna of same radio section, become MIMO communication.
[grand diversity Control on Communication]
Identical with above-mentioned first execution mode, therefore omit explanation.
[communication sequence]
Figure 12 be with wireless terminal device between an example of the grand diversity order of communicating by letter.
In the example of Figure 12, expression wireless terminal device MS11, radio section R11～1n and the sequence of movement that radio section R11～1n is gathered signal processing part 2031～203n, signal allocation portion 202 and antenna selection portion 206 in the control device of wireless G1 of control.
In radio section R11～1n, measure timing as opportunity with received power, measure the received power (step S201) of wireless terminal device MS11.Measure regularly as received power, when terminal newly connects, when terminal is transferred and each the fixed cycle T in connecting carry out.Wherein, also can measure the received power that each terminal uses different channels to carry out a plurality of terminals simultaneously.Radio section R11～n1 is notified to the received power measurement result antenna selection portion 206 of control device of wireless G1 as received power notice (step S202).
Wherein, sending signal allocation change indication (step S205) measures regularly different with the timing of using antenna change indication (step S206) and received power.When wireless terminal device MS11 newly connects, after the terminal connection processing is finished, send and use antenna change indication and begin grand diversity communication.Under terminal is in situation in the transfer, sends and use antenna change indication and begin grand diversity communication in the transfer back of finishing dealing with.When the some cycles T in being in connection expires, send immediately and use antenna change indication also to begin grand diversity communication.In addition, wireless terminal device in being in grand diversity communication enforcement before this is judged as under the situation that can't carry out grand diversity communication, also can be made as by signal allocation change indication (step S205) comes stop signal to distribute, by using antenna change indication (step S206) to stop the use of a plurality of antennas, the Stop Macro diversity is communicated by letter thus.
Wherein, the beginning of grand diversity communication order is not defined as said sequence.
As mentioned above, in above-mentioned first and second execution mode, realized following antenna selection mode, that is: measured the received power of upward signal for each antenna of a plurality of radio sections, be used for the combination of antennas of the best of communicating by letter according to this measurement result decision with the grand diversity of terminal.By between the different radio section of partition distance, expanding the sky line options that only limits among the MIMO that carries out in the past in the same base station, can make the combination of the antenna that in the past in narrow range, limited have flexibility.Thus, can improve the gain that is present near the terminal of cell edge, improve the radio communication quality.
Wherein, although understand some execution modes, but these execution modes all are examples, are not used for limiting scope of invention.These execution modes can be implemented by other variety of ways, in the scope of the purport that does not break away from invention, can carry out various omissions, displacement, change.Included identical of these execution modes and distortion thereof and scope of invention and purport comprises in the invention and equivalency range thereof of record in the claims.
Claims (19)
1. radio base station apparatus, and carry out radio communication between the terminal, possess:
A plurality of radio sections possess a plurality of antennas, by above-mentioned a plurality of antenna receiving-sending wireless signals;
Determination unit is to the received power of each above-mentioned antenna mensuration from the upward signal of above-mentioned terminal;
Selected cell, according to the measurement result of above-mentioned received power, be chosen in and above-mentioned terminal between radio communication in the combination of employed antenna; And
Signal processing unit carries out the Control on Communication of above-mentioned a plurality of radio sections according to the combination of above-mentioned antenna.
2. as the radio base station apparatus of claim 1 record, wherein,
At each above-mentioned radio section the said determination unit is set.
As claim 1 or 2 the record radio base station apparatus, wherein,
Above-mentioned upward signal comprises the link establishment message that sends with channel omnidirectional by control from above-mentioned terminal.
As claim 1 or 2 the record radio base station apparatus, wherein,
Above-mentioned upward signal comprises the transfer request message that sends with channel omnidirectional by control from above-mentioned terminal.
As claim 1 or 2 the record radio base station apparatus, wherein,
Above-mentioned upward signal comprises the signal that sends with channel cycle ground by the independent communication to each above-mentioned terminal distribution.
As claim 1 or 2 the record radio base station apparatus, wherein,
Above-mentioned selected cell is that antenna more than the threshold value exists under a plurality of situations in received power with the measurement result of above-mentioned received power and predetermined threshold value relatively, is judged as and can carries out grand diversity.
7. as the radio base station apparatus of claim 6 record, wherein,
Above-mentioned selected cell can change above-mentioned threshold value arbitrarily.
8. as the radio base station apparatus of claim 6 record, wherein,
Above-mentioned selected cell can carry out under the situation of above-mentioned grand diversity being judged as, among received power is antenna more than the above-mentioned threshold value, from the high antenna of received power begin to select successively and above-mentioned terminal between the employed antenna of radio communication.
9. as the radio base station apparatus of claim 6 record, wherein,
Above-mentioned selected cell will as and above-mentioned terminal between the combination of the employed antenna of radio communication and the quantity of the antenna selected is made as the less side among the above antenna amount of the higher limit of predetermined antenna amount and above-mentioned threshold value.
10. as the radio base station apparatus of claim 9 record, wherein,
Above-mentioned selected cell can change above-mentioned higher limit arbitrarily.
11. a control device of wireless, to and terminal between control by a plurality of wireless devices of a plurality of antenna receiving-sending wireless signals, possess:
Determination unit is to the received power of each above-mentioned antenna mensuration from the upward signal of above-mentioned terminal;
Selected cell, according to the measurement result of above-mentioned received power, be chosen in and above-mentioned terminal between radio communication in the combination of employed antenna; And
Signal processing unit carries out the Control on Communication of above-mentioned a plurality of radio sections according to the combination of above-mentioned antenna.
12. as the control device of wireless of claim 11 record, wherein,
Above-mentioned upward signal comprises the link establishment message that sends with channel omnidirectional by control from above-mentioned terminal.
13. as the control device of wireless of claim 11 record, wherein,
Above-mentioned upward signal comprises the transfer request message that sends with channel omnidirectional by control from above-mentioned terminal.
14. as the control device of wireless of claim 11 record, wherein,
Above-mentioned upward signal comprises the signal that sends with channel cycle ground by the independent communication to each above-mentioned terminal distribution.
15. as the control device of wireless of claim 11 record, wherein,
Above-mentioned selected cell is that antenna more than the threshold value exists under a plurality of situations in received power with the measurement result of above-mentioned received power and predetermined threshold value relatively, is judged as and can carries out grand diversity.
16. as the control device of wireless of claim 15 record, wherein,
Above-mentioned selected cell can change above-mentioned threshold value arbitrarily.
17. as the control device of wireless of claim 15 record, wherein,
Above-mentioned selected cell can carry out under the situation of above-mentioned grand diversity being judged as, among received power is antenna more than the above-mentioned threshold value, from the high antenna of received power begin to select successively and above-mentioned terminal between the employed antenna of radio communication.
18. as the control device of wireless of claim 15 record, wherein,
Above-mentioned selected cell will as and above-mentioned terminal between the combination of the employed antenna of radio communication and the quantity of the antenna selected is made as the less side among the above antenna amount of the higher limit of predetermined antenna amount and above-mentioned threshold value.
19. as the control device of wireless of claim 18 record, wherein,
Above-mentioned selected cell can change above-mentioned higher limit arbitrarily.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP107594/2010 | 2010-05-07 | ||
| JP2010107594A JP5439276B2 (en) | 2010-05-07 | 2010-05-07 | Radio base station apparatus and radio control apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102237904A true CN102237904A (en) | 2011-11-09 |
| CN102237904B CN102237904B (en) | 2014-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110029374.2A Expired - Fee Related CN102237904B (en) | 2010-05-07 | 2011-01-27 | Wireless substrate device and wireless control device |
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| Country | Link |
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| JP (1) | JP5439276B2 (en) |
| CN (1) | CN102237904B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103916163A (en) * | 2013-01-04 | 2014-07-09 | 诺基亚公司 | Method, Apparatus, And Computer Program Product For Wireless Short-range Communication |
| CN104053187A (en) * | 2013-03-14 | 2014-09-17 | 株式会社东芝 | Control apparatus, representative base station, and base station control method |
| CN104980199A (en) * | 2014-04-02 | 2015-10-14 | 智邦科技股份有限公司 | adaptive multiple antenna selection method |
| CN106571859A (en) * | 2015-10-09 | 2017-04-19 | 华为技术有限公司 | MIMO transmission method and apparatus |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107342800B (en) * | 2016-04-29 | 2020-12-29 | 中兴通讯股份有限公司 | Downlink data sending method, device and base station |
| WO2020115885A1 (en) * | 2018-12-06 | 2020-06-11 | 富士通株式会社 | Communication device, communication method, communication control device, base station device and terminal device |
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| US5640678A (en) * | 1992-12-10 | 1997-06-17 | Kokusai Denshin Denwa Kabushiki Kaisha | Macrocell-microcell communication system with minimal mobile channel hand-off |
| 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 |
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| FI107688B (en) * | 1997-02-27 | 2001-09-14 | Nokia Networks Oy | Method for realizing dynamic channel assignment in a cellular radio system |
| JP4162522B2 (en) * | 2003-03-26 | 2008-10-08 | 三洋電機株式会社 | Radio base apparatus, transmission directivity control method, and transmission directivity control program |
| EP2093918B1 (en) * | 2006-12-14 | 2015-12-30 | Fujitsu Limited | Controller for selecting antenna for multi-input/multi-output communication |
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2010
- 2010-05-07 JP JP2010107594A patent/JP5439276B2/en not_active Expired - Fee Related
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5640678A (en) * | 1992-12-10 | 1997-06-17 | Kokusai Denshin Denwa Kabushiki Kaisha | Macrocell-microcell communication system with minimal mobile channel hand-off |
| 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 (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103916163A (en) * | 2013-01-04 | 2014-07-09 | 诺基亚公司 | Method, Apparatus, And Computer Program Product For Wireless Short-range Communication |
| CN103916163B (en) * | 2013-01-04 | 2016-06-01 | 诺基亚技术有限公司 | For method, the device of wireless short range communication |
| CN104053187A (en) * | 2013-03-14 | 2014-09-17 | 株式会社东芝 | Control apparatus, representative base station, and base station control method |
| CN104980199A (en) * | 2014-04-02 | 2015-10-14 | 智邦科技股份有限公司 | adaptive multiple antenna selection method |
| CN104980199B (en) * | 2014-04-02 | 2018-04-06 | 智邦科技股份有限公司 | Adaptive Multiple Antenna Selection Method |
| CN106571859A (en) * | 2015-10-09 | 2017-04-19 | 华为技术有限公司 | MIMO transmission method and apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102237904B (en) | 2014-10-08 |
| JP2011239098A (en) | 2011-11-24 |
| JP5439276B2 (en) | 2014-03-12 |
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