CN1841967B - Mobile communication system and its information signal sequence transmission method - Google Patents
Mobile communication system and its information signal sequence transmission method Download PDFInfo
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- CN1841967B CN1841967B CN 200610067020 CN200610067020A CN1841967B CN 1841967 B CN1841967 B CN 1841967B CN 200610067020 CN200610067020 CN 200610067020 CN 200610067020 A CN200610067020 A CN 200610067020A CN 1841967 B CN1841967 B CN 1841967B
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Abstract
This invention provides a cellular mobile telecommunication system having consumption of radio resources suppressed. The cellular mobile telecommunication system includes a radio bade station controller, a plurality of radio base station devices, each of which is connected to the radio base station controller and has one antenna, and a radio terminal device having a plurality of antennas. The radio bade station controller divides an original information signal sequence into a plurality of different information signal sequences and distributes the plurality of information signal sequence to the plurality of radio base station devices, and the plurality of radio base station devices use the same radio resource to perform MIMO transmission of the plurality of information signal sequences from antennas of the plurality of radio base station devices to the plurality of antennas of the radio terminal device, and the radio terminal device subjects a plurality of antenna reception data pieces received by the plurality of antennas, to MIMO processing and takes out the plurality of information signal sequences in a separated state and combines the plurality of taken-out information signal sequences to reproduce the original information signal sequence.
Description
Technical field
The present invention relates to mobile communication system and information signal sequence transmission method thereof.
Background technology
At first the cell mobile communication systems as corresponding technology is described with reference to Fig. 9.
Mobile communication system shown in Figure 9 comprises: be connected the base station control 20 on the core net (Core network) 4; Radio base station apparatus 2101 and 2102; And wireless terminal device 22.Simple in order to illustrate in addition, the quantity of each device among Fig. 9 (base station control, radio base station apparatus, wireless terminal device) is simplified to some extent than real system.
The situation that wireless terminal device 22 and radio base station apparatus 2101,2102 both sides communicate among consideration Fig. 9.Received and send identical information (information signal sequence A) to radio base station apparatus 2101 with 2102 both sides to the base station control 20 of the information (information signal sequence A) of wireless terminal device 22 transmissions from core net 4.Radio base station apparatus 2101 and 2102 will send to wireless terminal device 22 respectively from the identical information burst A that base station control 20 receives.At this moment, send with frequency F1 (perhaps spreading codes C1), send with frequency F2 (perhaps spreading codes C2) from the information signal sequence A of radio base station apparatus 2102 from the information signal sequence A of radio base station apparatus 2101.Because frequency F2 (perhaps spreading codes C2) is different with frequency F1 (perhaps spreading codes C1), therefore, wireless terminal device 22 can receive two information signal sequence A respectively.Consequently, can transmit identical information signal sequence A to wireless terminal device 22 from radio base station apparatus 2101 with 2102.
Wireless terminal device 22 can improve SNR (Signal-to-noise Ratio, signal to noise ratio) by the information signal sequence from two radio base station apparatus 2101 and 2102 being carried out high specific merging (Maximum Ratio Combining).
But in this cell mobile communication systems, need to use high speed symbol rate (symbol rate) or many-valued modulation system to carry out high-speed data communication.For this reason, for the high-speed data communication that carries out in this cell mobile communication systems, it has following problem.
First problem: for setting high-speed symbol rate needs broadband.
Second problem: need big transmitted power in order to use 16QAM (Quadrature Amplitude Modulation, quadrature amplitude modulation), the contour many-valued modulation system of 64QAM.
Following technology is disclosed in the patent documentation 1 (the Japanese documentation spy opens the 2001-36964 communique).
(1) wireless terminal (MS:Mobile Station, travelling carriage) is connected with base-station control apparatus (BSC:Base Station Controller, base station controller);
(2) a plurality of base stations (BS) is connected with base-station control apparatus (BSC:Base Station Controller);
(3) a plurality of radiolinks between a plurality of base stations (BS) and the terminal (MS) are circuits independently separately, and line speed and information transmitted are inequality;
(4) information dispersion that will be usually sends to wireless terminal (MS) by a base station (BS) is to a plurality of base stations (BS), and then sends to terminal (MS), thus, can be used as integral body and carries out high-speed transfer.
In addition, patent documentation 2 (the Japanese documentation spy opens the 2003-198442 communique) discloses MIMO (Multiple-Input Multiple-Output, multiple-input, multiple-output) formula wireless transmitting system.In this communication mode, in transmitter, to send data allocations to a plurality of antennas of M bar and send, in receiver, receive the wireless signal of process transmission line arrival then by a plurality of antennas of N bar, try to achieve M by signal processing from N received signal then and send signal, thereby obtain to receive data.
Patent documentation 1: the Japanese documentation spy opens 2001-36964 communique (with reference to the 0039th section and Fig. 1);
Patent documentation 2: the Japanese documentation spy opens 2003-198442 communique (with reference to the 0003rd section and Fig. 1).
In the cell mobile communication systems of above-mentioned Fig. 9, need radio base station apparatus 2101 and 2102 and wireless terminal device 22 between use the high-speed radio mode to be used to carry out high-speed data communication.Therefore, need to use the communication of high speed symbol rate or the communication of high many-valued modulation, thereby need to use broadband and high-power.
Summary of the invention
The object of the present invention is to provide a kind of mobile communication system and information signal sequence transmission method thereof, make it possible to carry out high-speed data communication with high wireless resource utility efficiency not using under broadband and the powerful situation.
Mobile communication system of the present invention is characterised in that, comprising: base station control; A plurality of radio base station apparatus, it is connected on the described base station control, and has an antenna respectively; And wireless terminal device with a plurality of antennas; Wherein, described base station control is divided into a plurality of carve information bursts that differ from one another with the original information signal sequence, and described a plurality of carve information bursts are distributed to described a plurality of radio base station apparatus respectively, described a plurality of radio base station apparatus uses mutually the same Radio Resource, described a plurality of carve information bursts of being distributed are carried out the MIMO transmission from a plurality of antennas of the described wireless terminal device of sky alignment of described a plurality of radio base station apparatus, a plurality of antennas that described wireless terminal device receives described a plurality of antennas receive data and carry out the MIMO processing, and take out described a plurality of carve information burst with released state, merge the described a plurality of carve information bursts that take out then, thereby reproduce described original information signal sequence.
Information signal sequence transmission method of the present invention is used in mobile communication system from described base station control to described wireless terminal device transmit information signals sequence, and wherein said mobile communication system comprises: base station control; A plurality of radio base station apparatus, it is connected on the described base station control, and has an antenna respectively; And wireless terminal device with a plurality of antennas; Described information signal sequence transmission method is characterised in that, comprise the steps: in described base station control, the original information signal sequence is divided into a plurality of carve information bursts that differ from one another, and described a plurality of carve information bursts is distributed to the step of described a plurality of radio base station apparatus respectively; In described a plurality of radio base station apparatus, use mutually the same Radio Resource, described a plurality of carve information bursts of being distributed are transferred to the step of a plurality of antennas of described wireless terminal device from the antenna MIMO of described a plurality of radio base station apparatus; And in described wireless terminal device, a plurality of antennas reception data that described a plurality of antennas receive are carried out the MIMO processing, and take out described a plurality of carve information burst with released state, merge the described a plurality of carve information bursts that take out then, thereby reproduce the step of described original information signal sequence.
The invention effect
According to the present invention,, therefore, can carry out high-speed data communication by using narrow-band and small-power owing to can use the communication of the low speed symbol rate that realizes by narrow-band and the basic modulation system that realizes by little transmitted power.
In addition, according to the present invention, owing to use the same wireless resource to carry out MIMO transmission (parallel transmission), therefore can reduce the consumption of Radio Resource, and improve utilization ratio of wireless resources.
In the present invention, radio base station apparatus has only an antenna basically, if but the base station control from being connected, then a plurality of radio base station apparatus have a plurality of antennas, can carry out the MIMO transmission thus.
Above-mentioned patent documentation 2 disclosed systems use a transmitter with a plurality of antennas to carry out the MIMO transmission basically, and are different fully with the present invention.
In the present invention, a plurality of radio base station apparatus that carry out the MIMO transmission use identical Radio Resource (frequency, spreading codes, time slot etc.).This point is not open in above-mentioned patent documentation 1.
Promptly, in patent documentation 1 and the patent documentation 2 structure important document of the present invention all do not disclosed, promptly, " described a plurality of radio base station apparatus use mutually the same Radio Resource, described a plurality of carve information bursts of being distributed are transferred to a plurality of antennas of described wireless terminal device from the antenna MIMO of described a plurality of radio base station apparatus ".
Description of drawings
Fig. 1 is the FBD (function block diagram) of expression as the cell mobile communication systems on basis of the present invention;
Fig. 2 is the FBD (function block diagram) that is used for illustrating signal between each device of cell mobile communication systems shown in Figure 1;
Fig. 3 is the FBD (function block diagram) of the part of base station control in the expression cell mobile communication systems shown in Figure 1;
Fig. 4 is the FBD (function block diagram) of the part of radio base station apparatus in the expression cell mobile communication systems shown in Figure 1;
Fig. 5 is the FBD (function block diagram) of the part of wireless terminal device in the expression cell mobile communication systems shown in Figure 1;
Fig. 6 is the FBD (function block diagram) of the cell mobile communication systems of expression one embodiment of the invention;
Fig. 7 is the FBD (function block diagram) of a part of wireless terminal device in the cell mobile communication systems of expression one embodiment of the invention;
Fig. 8 is the action flow chart of expression one embodiment of the invention;
Fig. 9 is the FBD (function block diagram) of expression as the cell mobile communication systems of correlation technique.
Embodiment
The present invention will be described with reference to the accompanying drawings.
In the present invention, subtend user's information transmitted is cut apart, and distribute to a plurality of radio base station apparatus, the message transmission that to cut apart with the low-speed wireless communication mode from each radio base station apparatus is given wireless terminal device then, realizes high-speed data communication by receiving at wireless terminal device from the carve information of a plurality of radio base station apparatus.
Thus, as the low-speed wireless communication mode, owing to can use the communication or BPSK (the Binary Phase Shift Keying of low speed symbol rate, binary phase conversion modulation), QPSK (Quadrature Phase Shift Keying, quadrature conversion phase key) etc. therefore basic modulation system can carry out high-speed data communication with narrower frequency band or small-power.
But in the present invention, owing to use same Radio Resource to carry out MIMO transmission (parallel transmission), so the consumption of Radio Resource is little, thus improved the utilization ratio of Radio Resource.
With reference to Fig. 1, it shows based on cell mobile communication systems of the present invention.This cell mobile communication systems by be connected base station control 1 on the core net 4, radio base station apparatus 201 and 202 and wireless terminal device 3 constitute.In addition, in order to carry out simple declaration, the quantity of each device among Fig. 1 (base station control, radio base station apparatus and wireless terminal device) is simplified to some extent than real system.
Radio base station apparatus 201 and 202 has the function of carrying out radio communication with wireless terminal device 3.Radio base station apparatus 201 sends information signal sequence B with frequency F1 (perhaps spreading codes C1).Radio base station apparatus 202 sends information signal sequence C with the frequency F2 (perhaps spreading codes C2) that is different from frequency F1 (perhaps spreading codes C1).Wireless terminal device 3 has following function: receive respectively information signal sequence B and the C that sends from radio base station apparatus 201 and 202 and merge, produce information signal sequence A thus once more.
Radio base station apparatus 201 and 202 also have and wireless terminal device 3 between the wireless transmission link quality be notified to the function of base station control 1.
In addition, base station control 1 also has the quality information that receives this wireless transmission link, determines the function of cutting apart distribution method and carrying out of information signal sequence.
Like this, because in based on cell mobile communication systems of the present invention, A is cut apart to information signal sequence, and send to a plurality of radio base station apparatus 201 and 202, receive from a plurality of radio base station apparatus 201 and 202 signals of communication that send and merging at wireless terminal device 3 then, reproduce the telex network information A thus, therefore, can send the telex network information A at a high speed to wireless terminal device 3 by the low-speed wireless communication mode.
With reference to Fig. 2, it shows the signal between the necessary device in the cell mobile communication systems shown in Figure 1.Core net 4 sends information signal sequence A401 to base station control 1.
The information signal sequence A401 (original information signal sequence) that base station control 1 will be transferred to wireless terminal device 3 is divided into information signal sequence B501 (carve information burst) and information signal sequence C502 (carve information burst), and sends to radio base station apparatus 201 and 202 respectively.
Radio base station apparatus 201 and 202 modulating information signal sequence B 501 and information signal sequence C502 send to wireless terminal device 3 as modulation signal 701 and 702 then.
Wireless terminal device 3 demodulation modulation signals 701 and 702, thereby generating information and signal sequence B 501 and C502, but and by merging this information signal sequence B501 and C502 generating information and signal sequence A 401.
Radio base station apparatus 201 and 202 is notified wireless transmission link quality information 601 and 602 respectively to base station control 1.
The quality of the wireless transmission link of the up/down direction between the wireless transmission quality information 601 expression radio base station apparatus 201-wireless terminal devices 3.The wireless transmission link quality information 601 of up direction can obtain from the receiving quality of wireless terminal device 3 to the upward signal of radio base station apparatus 201 by measuring in radio base station apparatus 201.The wireless transmission link quality information 601 of down direction can be passed through to measure from the receiving quality of radio base station apparatus 201 to the downstream signal of wireless terminal device 3 in wireless terminal device 3, and this receiving quality of measuring is obtained to radio base station apparatus 201 feedbacks from wireless terminal device 3.
The quality of the wireless transmission link of the up/down direction between the wireless transmission quality information 602 expression radio base station apparatus 202-wireless terminal devices 3.The wireless transmission link quality information 602 of up direction can obtain from the receiving quality of wireless terminal device 3 to the upward signal of radio base station apparatus 202 by measuring in radio base station apparatus 202.The wireless transmission link quality information 602 of down direction can be passed through to measure from the receiving quality of radio base station apparatus 202 to the downstream signal of wireless terminal device 3 in wireless terminal device 3, and this receiving quality of measuring is obtained to radio base station apparatus 202 feedbacks from wireless terminal device 3.
In addition, base station control 1 is when radio base station apparatus 201 sends information signal sequence B501, and notice is represented the determined information signal sequence assignment information 801 of cutting apart distribution method.And base station control 1 is when radio base station apparatus 202 sends information signal sequence C502, and notice is represented the determined information signal sequence assignment information 802 of cutting apart distribution method.
Radio base station apparatus 201 and 202 is determined modulator approach according to information signal sequence assignment information 801 and 802, and respectively information signal sequence B501 and C502 is modulated, and sends to wireless terminal device 3 as modulation signal 701 and 702 then.In addition, radio base station apparatus 201 and 202 will send to wireless terminal device 3 as modulation signal information 901 and 902 about the information of determined modulator approach.
With reference to Fig. 3, it shows the function block structured part in the base station control 1 of cell mobile communication systems shown in Figure 1.Base station control 1 except function with base station control in the past, as with function associated piece of the present invention, also have information sequence distributor 10 and information distributing method determiner 11.
Information distributing method determiner 11 is determined the distribution method of cutting apart of information according to wireless transmission link quality information 601 and 602, then the determined distribution method of cutting apart is indicated to information sequence distributor 10.In addition, information distributing method determiner 11 notifies expression the determined information signal sequence assignment information 801 and 802 of cutting apart distribution method respectively to radio base station apparatus 201 and 202.Though can consider the various distribution methods of cutting apart, as an example, consider signal to noise ratio (snr) is used as the wireless transmission link quality information, and come the method for allocation information signal sequence with SNR.
With reference to Fig. 4, the function block structured part in 201 (or 202) is adorned in its wireless base station that shows cell mobile communication systems shown in Figure 1.Radio base station apparatus 201 (or 202) except function with radio base station apparatus in the past, as with function associated piece of the present invention, also have transmitter 12 and modulator approach determiner 14.
Modulator approach determines 14 according to determining modulator approach from the information signal sequence assignment information 801 of base station control 1 (perhaps 802), then determined modulator approach is indicated to transmitter 12.
Perhaps, also the information of the determined modulator approach of expression can be notified to the transmitter that not shown control channel is used from modulator approach determiner 14, and, send to wireless terminal device 3 as modulation signal information 901 (or 902) by this transmitter.
Specifically, the transmitter 12 of radio base station apparatus 201 (or 202) has encoder 121 and modulator 122. are come indicator-transmitter 12 by modulator approach determiner 14 encoding rate and modulation system. and modulator approach determiner 14 is determined encoding rate and modulation system according to information signal sequence assignment information 801 (or 802), and is notified to wireless terminal device 3. as modulation signal information 901 (or 902) for the encoder 121 of transmitter 12 and encoding rate and modulation systems that modulator 122. is determined this indication
With reference to Fig. 5, it shows the function block structured part in the wireless terminal device 3 of cell mobile communication systems shown in Figure 1.Wireless terminal device 3 comprises: receiver 1501,1502,1503; Information signal sequence combiner 16; And modulation signal Information Extractor 17.
The modulation signal information 901 and 902 that receiver 1503 receives from radio base station apparatus 201 and 202 will receive modulation signal information then and pass to modulation signal Information Extractor 17.Modulation signal Information Extractor 17 extracts above-mentioned determined modulator approach (determined encoding rate and modulation system) from this reception modulation signal information, and encoding rate and the modulation system determined are indicated to receiver 1501 and 1502.In addition, modulation signal Information Extractor 17 extracts definite distribution method of cutting apart from the reception modulation signal information of receiver 1503, then the determined distribution method of cutting apart is indicated to information signal sequence combiner 16.
Information signal sequence combiner 16 is cut apart distribution method with reference to (determined) that be instructed to and is come the information signal sequence 501 and 502 that extracts is merged, thus generating information and signal sequence 401 (the information signal sequence A of Fig. 2).
, can use from the signal of radio base station apparatus 201 with from the method for the signal of radio base station apparatus 202 as identification according to the identification of different spreading codes with according to the identification of different frequency.
In addition, though in as the cell mobile communication systems on basis of the present invention, the situation of using two radio base station apparatus is illustrated, when a plurality of wireless base station of using more than three, also can realize same system.
Following described effect is arranged in the cell mobile communication systems as basis of the present invention discussed above.
First effect: carry out wireless transmission to wireless terminal device 3 owing to the carve information burst and from a plurality of radio base station apparatus 201 and 202, therefore each radio base station apparatus 201 or 202 and wireless terminal device 3 between utilize the low-speed wireless communication mode to use stable wireless transmission, as its result, can provide High Bit-rate Wireless Data Communication to wireless terminal device 3.
Second effect:, therefore can under the situation that does not add broadband or increasing transmitted power, provide RFDC at a high speed owing to utilize the low-speed wireless communication mode.
The 3rd effect: owing to come cutting apart of control information burst according to the wireless transmission link quality, thereby set the corresponding transinformation of wireless transmission line line state with each radio base station apparatus 201 or 202, therefore, can utilize be suitable for each radio base station apparatus 201 or 202 and wireless terminal device 3 between modulation system, the encoding rate of wireless transmission line line state RFDC is provided.
Below with reference to Fig. 6 one embodiment of the present of invention are described.With reference to Fig. 6, it shows the cell mobile communication systems of one embodiment of the invention.
The basic structure of present embodiment is with explanation formerly, identical as the cell mobile communication systems on basis of the present invention.That is, present embodiment comprise with as the identical same section of representing with reference to label of the cell mobile communication systems on basis of the present invention.In addition, in order to carry out simple declaration, the quantity of each device among Fig. 6 (base station control, radio base station apparatus, wireless terminal device) is simplified to some extent than real system.
Present embodiment is different with the cell mobile communication systems (Fig. 1) as basis of the present invention aspect following.
Present embodiment is to use the structure of MIMO (Multiple-Input Multiple-Output or Multi-Input Multi-Output) transmission.
In the present embodiment, the same Radio Resource of use sends information signal sequence B and the information signal sequence C from radio base station apparatus 201 and 202.Here, if use identical Radio Resource, then when radio base station apparatus 201 and 202 and wireless terminal device 3a between communication be FDMA (Frequency Division Multiple Access, frequency division multiple access) during mode, with identical frequency, for example F0 together sends signal message sequence B and C.Equally, when communication was CDMA (Code Division Multiple Access, code division multiple access) mode, with identical spreading codes, for example C0 sent.In addition, when communication was TDMA (TimeDivision Multiple Access, time division multiple access) mode, with identical spreading codes, for example TS0 sent.
With reference to Fig. 7, it shows the part of the wireless terminal device 3a of the cell mobile communication systems that has utilized the MIMO transmission among Fig. 6.The wireless terminal device 3a of Fig. 7 except function with wireless terminal device in the past, as with function associated piece of the present invention, also comprise: receiver 1501,1502,1503; Information signal sequence combiner 16; Modulation signal Information Extractor 17; And MIMO signal processor 19.Wireless terminal device 3a (Fig. 7) is with the difference of Fig. 5, is connected with MIMO signal processor 19 at the receiver 1501 of wireless terminal device 3 and 1502 front.
The antenna that 19 pairs of two antennas of MIMO signal processor receive receives data 1901 and 1902 and carries out the MIMO signal processing.By this MIMO signal processing, receive data and be separated into modulation signal 701 and modulation signal information 901 from radio base station apparatus 201, and from the modulation signal 702 and the modulation signal information 902 of radio base station apparatus 202.
That is, the modulation signal information 901 and 902 that receiver 1503 receives from radio base station apparatus 201 and 202 will receive modulation signal information then and pass to modulation signal Information Extractor 17.Modulation signal Information Extractor 17 extracts definite modulator approach (definite encoding rate and modulation system) from this reception modulation signal information, then encoding rate and the modulation system determined are indicated to receiver 1501 and 1502.In addition, modulation signal Information Extractor 17 extracts definite distribution method of cutting apart from the reception modulation signal information of receiver 1503, and the distribution method of cutting apart that will determine is then indicated to information signal sequence combiner 16.
Information signal sequence combiner 16 is cut apart distribution method with reference to (determined) that be instructed to and is come the information signal sequence 501 and 502 that extracts is merged, thus generating information and signal sequence 401 (the information signal sequence A of Fig. 2).
The molar behavior of one embodiment of the present of invention is described below with reference to Fig. 8.
At first, in base station control 1, information distributing method determiner 11 determines that according to wireless transmission link quality information 601 and 602 information signal sequence A's cut apart distribution method (step S8001). information sequence distributor 10 is according to the distribution method of cutting apart that should determine, information signal sequence A is divided into information signal sequence B and C (step S8002). information signal sequence B and information signal sequence assignment information 801 are distributed to radio base station apparatus 201, and information signal sequence C and information signal sequence assignment information 802 are distributed to radio base station apparatus 202 (step S8003).
Then, in radio base station apparatus 201 (or 202), modulator approach determiner 14 is according to determining modulator approach (step S8004) from the information signal sequence assignment information 801 (or 802) of base station control 1.Transmitter 12 is modulated into modulation signal 701 (or 702) (step S8005) according to the modulator approach that should determine with information signal sequence B (or C).Modulation signal 701 (or 702) and modulation signal information 901 (or 902) are sent to wireless terminal device 3a (step S8006).
Then, in wireless terminal device 3a, the 19 pairs of antennas of MIMO signal processor receive data and carry out the MIMO signal processing, and are separated into from the modulation signal 701 of radio base station apparatus 201 and modulation signal information 901 and from the modulation signal 702 and the modulation signal information 902 (step S8007) of radio base station apparatus 202.By receiver 1503 and modulation signal Information Extractor 17, from modulation signal information 901 and 902, extract modulator approach and cut apart distribution method (step S8008).Receiver 1501 and 1502 carries out demodulate/decode to the modulation signal 701 and 702 that receives respectively, thereby extracts information signal sequence B and C (step S8009) respectively based on the modulator approach that extracts.Information signal sequence combiner 16 comes information signal sequence B and C are merged with reference to the distribution method of cutting apart that extracts, thus generating information and signal sequence A (step S8010).
So in the present embodiment, because each radio base station apparatus 201 or 202 uses identical frequency, identical spreading codes or identical time slot, therefore, can obtain the effect that suppresses radio resource consumption.In addition, also can obtain the effect of the cell design that is easy to carry out cell mobile communication systems.
In addition, though in the present embodiment the situation of using two radio base station apparatus 201 and 202 is illustrated, when a plurality of radio base station apparatus of using more than three, also can realize identical system.At this moment, the original information signal sequence A is divided into more than three.At this moment, wireless terminal device needs the above antenna of radio base station apparatus quantity.
Above, describe the present invention based on preferred enforcement, but the invention is not restricted to this embodiment, do not break away from the scope of main idea of the present invention, be also included among the present invention based on various distortion, change, the enforcement that substitutes, be equal to and come.
Claims (21)
1. a mobile communication system is characterized in that, comprising: base station control; A plurality of radio base station apparatus, it is connected on the described base station control, and has an antenna respectively; And wireless terminal device with a plurality of antennas; Wherein,
Described base station control is divided into a plurality of carve information bursts that differ from one another with the original information signal sequence, and described a plurality of carve information bursts are distributed to described a plurality of radio base station apparatus respectively,
Described a plurality of radio base station apparatus uses mutually the same Radio Resource, and described a plurality of carve information bursts of being distributed are transferred to a plurality of antennas of described wireless terminal device from the antenna MIMO of described a plurality of radio base station apparatus,
A plurality of antennas that described wireless terminal device receives described a plurality of antennas receive data and carry out the MIMO processing, and take out described a plurality of carve information burst with released state, merge the described a plurality of carve information bursts that take out then, thereby reproduce described original information signal sequence.
2. mobile communication system as claimed in claim 1 is characterized in that, described a plurality of radio base station apparatus use same frequency to be used as mutually the same Radio Resource.
3. mobile communication system as claimed in claim 1 is characterized in that, described a plurality of radio base station apparatus use same spreading codes to be used as mutually the same Radio Resource.
4. mobile communication system as claimed in claim 1 is characterized in that, described a plurality of radio base station apparatus use same time slot to be used as mutually the same Radio Resource.
5. mobile communication system as claimed in claim 1 is characterized in that,
Described base station control is determined the distribution method of cutting apart of described original information signal sequence according to the circuit quality state of described Radio Resource.
6. mobile communication system as claimed in claim 5 is characterized in that,
Described base station control will be notified to described radio base station apparatus with the relevant information of distribution method of cutting apart of determined described original information signal sequence.
7. mobile communication system as claimed in claim 6 is characterized in that,
Described radio base station apparatus basis is modulated from the described carve information burst of described radio base station apparatus distribution with the relevant information of distribution method of cutting apart of described original information signal sequence, and message transmission that will be relevant with this modulator approach is given described wireless terminal device.
8. a mobile communication system is characterized in that, comprising: base station control; A plurality of radio base station apparatus, it is connected on the described base station control, and has an antenna respectively; And wireless terminal device with a plurality of antennas; Wherein,
Described base station control is divided into a plurality of carve information bursts that differ from one another with the original information signal sequence, and described a plurality of carve information bursts are distributed to described a plurality of radio base station apparatus respectively,
Described a plurality of radio base station apparatus uses mutually the same Radio Resource, and described a plurality of carve information bursts of being distributed are transferred to a plurality of antennas of described wireless terminal device from the antenna MIMO of described a plurality of radio base station apparatus,
Described wireless terminal device comprises: MIMO signal processing part, its a plurality of antennas that described a plurality of antennas are received receive data and carry out the MIMO processing, and take out described a plurality of carve information burst with released state; Information signal sequence merging portion, it merges the described a plurality of carve information bursts that take out, thereby reproduces described original information signal sequence.
9. mobile communication system as claimed in claim 8 is characterized in that, described a plurality of radio base station apparatus use same frequency to be used as mutually the same Radio Resource.
10. mobile communication system as claimed in claim 8 is characterized in that, described a plurality of radio base station apparatus use same spreading codes to be used as mutually the same Radio Resource.
11. mobile communication system as claimed in claim 8 is characterized in that, described a plurality of radio base station apparatus use same time slot to be used as mutually the same Radio Resource.
12. mobile communication system as claimed in claim 8 is characterized in that,
Described base station control is determined the distribution method of cutting apart of described original information signal sequence according to the circuit quality state of described Radio Resource.
13. mobile communication system as claimed in claim 12 is characterized in that,
Described base station control will be notified to described radio base station apparatus with the relevant information of distribution method of cutting apart of determined described original information signal sequence.
14. mobile communication system as claimed in claim 13 is characterized in that,
Described radio base station apparatus basis is modulated from the described carve information burst of described radio base station apparatus distribution with the relevant information of distribution method of cutting apart of described original information signal sequence, and message transmission that will be relevant with this modulator approach is given described wireless terminal device.
15. an information signal sequence transmission method is used in mobile communication system from base station control to wireless terminal device transmit information signals sequence, wherein said mobile communication system comprises: described base station control; A plurality of radio base station apparatus, it is connected on the described base station control, and has an antenna respectively; And described wireless terminal device with a plurality of antennas; Described information signal sequence transmission method is characterised in that, comprises the steps:
In described base station control, the original information signal sequence is divided into a plurality of carve information bursts that differ from one another, and described a plurality of carve information bursts is distributed to the step of described a plurality of radio base station apparatus respectively;
In described a plurality of radio base station apparatus, use mutually the same Radio Resource, described a plurality of carve information bursts of being distributed are transferred to the step of a plurality of antennas of described wireless terminal device from the antenna MIMO of described a plurality of radio base station apparatus; And
In described wireless terminal device, a plurality of antennas reception data that described a plurality of antennas receive are carried out the MIMO processing, and take out described a plurality of carve information burst with released state, merge the described a plurality of carve information bursts that take out then, thereby reproduce the step of described original information signal sequence.
16. information signal sequence transmission method as claimed in claim 15 is characterized in that,
In described a plurality of radio base station apparatus, use same frequency to be used as mutually the same Radio Resource.
17. information signal sequence transmission method as claimed in claim 15 is characterized in that, in described a plurality of radio base station apparatus, uses same spreading codes to be used as mutually the same Radio Resource.
18. information signal sequence transmission method as claimed in claim 15 is characterized in that, in described a plurality of radio base station apparatus, uses same time slot to be used as mutually the same Radio Resource.
19. information signal sequence transmission method as claimed in claim 15 is characterized in that, also has:
In described base station control, determine the step of cutting apart distribution method of described original information signal sequence according to the circuit quality state of described Radio Resource.
20. information signal sequence transmission method as claimed in claim 19 is characterized in that, also has:
In described base station control, will with the step that the relevant information of distribution method is notified to described radio base station apparatus of cutting apart of determined described original information signal sequence.
21. information signal sequence transmission method as claimed in claim 20 is characterized in that, also has:
In described radio base station apparatus, according to modulating from the described carve information burst of described radio base station apparatus distribution, and will the information relevant pass to the step of described wireless terminal device with this modulator approach with the relevant information of distribution method of cutting apart of described original information signal sequence.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005103749A JP2006287530A (en) | 2005-03-31 | 2005-03-31 | Cellular mobile telecommunication system |
| JP2005103749 | 2005-03-31 | ||
| JP2005-103749 | 2005-03-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1841967A CN1841967A (en) | 2006-10-04 |
| CN1841967B true CN1841967B (en) | 2010-05-12 |
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| JP5103233B2 (en) * | 2008-03-19 | 2012-12-19 | 株式会社Ｋｄｄｉ研究所 | Base station control apparatus and base station control method |
| WO2009152645A1 (en) * | 2008-06-20 | 2009-12-23 | 上海贝尔阿尔卡特股份有限公司 | Method and apparatus for collaboratively transmitting signals with other base stations in base station |
| JP5533114B2 (en) * | 2010-03-24 | 2014-06-25 | サクサ株式会社 | Wireless communication apparatus and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1461159A (en) * | 2002-05-21 | 2003-12-10 | 日本电气株式会社 | Radio transmitting and receiving system |
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| JP4231593B2 (en) * | 1999-07-21 | 2009-03-04 | 株式会社日立コミュニケーションテクノロジー | Communication system and communication method thereof |
| JP3960888B2 (en) * | 2002-09-03 | 2007-08-15 | 株式会社エヌ・ティ・ティ・ドコモ | Signal separation method and receiving apparatus |
| JP2005072882A (en) * | 2003-08-22 | 2005-03-17 | Nippon Telegr & Teleph Corp <Ntt> | Diversity communication apparatus and method |
| CN1849765B (en) * | 2003-09-09 | 2011-04-27 | 株式会社Ntt都科摩 | Signal transmitting method and transmitter in radio multiplex transmission system |
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