CN101232319A - Signal uplink transmission method in relay device of wireless network based on relay - Google Patents
Signal uplink transmission method in relay device of wireless network based on relay Download PDFInfo
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- CN101232319A CN101232319A CNA2007100367523A CN200710036752A CN101232319A CN 101232319 A CN101232319 A CN 101232319A CN A2007100367523 A CNA2007100367523 A CN A2007100367523A CN 200710036752 A CN200710036752 A CN 200710036752A CN 101232319 A CN101232319 A CN 101232319A
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Abstract
The invention provides an signal uplink transmission method and a corresponding transmission device in a relay equipment which is based on a relay wireless network, the relay equipment is taken as the relay equipment of the final jump, the method comprises the steps of receiving signals to be transmitted which is from a mobile terminal; adopting the collaboration space multiplexing transmission mode with other one or more relay equipments as the final jump to send the signals to be transmitted to a base station. The method further includes the step of receiving control signals from a base station, the control signals include identification information, and the identification information includes pilot frequency information and resource allocation information. The invention also provides an auxiliary control uplink transmission method and a corresponding auxiliary control device in the base station which is based on the relay wireless network, the method controls a plurality of relay equipments which are taken as the final jump to adopt the collaboration space multiplexing transmission mode to send the signals to be transmitted to the base station. The transmission device and the auxiliary control device can be respectively applied in the relay equipments and the base station, thereby enhancing the transmission capacity of the final jump.
Description
Technical field
The present invention relates to Radio Network System, relate in particular to the method and the corresponding device thereof of in trunking, carrying out the uplink of signal based on the Radio Network System of relaying.
Background technology
Current, wireless communication technology is among the fast development, the trend that the capacity of communication and speed also present continuous rising, Multiple Input Multiple Output (MIMO) has obtained to use very widely with the advantage of its high power capacity, High Data Rate, and adopt the MIMO technology neatly, the capacity and the data transfer rate of the uplink of the Radio Network System with relaying are improved.
In up link based on the Radio Network System of relaying, more and more become the bottleneck of up-link capacity near the transmission capacity of the final jump of base station (BS), because service data can be gradually from gathering on the trunking near the base station near the trunking (RS) of portable terminal (MT), the feasible trunking that approaches base station (BS) most, promptly the trunking as final jump will transmit more data to base station BS.But because several trunkings that approach the base station most (RS) as final jump are usually arranged, and usually in these final jump trunkings, use same Radio Resource, thereby make the base station can't receive the data that a plurality of trunkings transmit simultaneously, the transmission capacity of final jump will become and be not enough to support to be used for the high power capacity of portable terminal uplink so.
The conventional method that addresses this problem in a single aerial system is in the end to adopt Time Division Multiplexing or frequency division multiplexing (FDM) to share Radio Resource between the trunking of jumping.The exemplary of jumping relay system for one 2 as shown in Figure 1, in this example, two portable terminals respectively via two trunkings to the base station transmits data.In first jumped, a portable terminal sent information (for example D1 D2) to trunking, and similarly, another portable terminal also sends information (for example D3 D4) to another trunking.These information are received by two trunkings respectively; these two trunkings transmit received separately information to the base station respectively then; for example can transmit in time-multiplexed mode usually; trunking transmission information in preceding two time slots for example, another trunking is transmission information in ensuing two time slots.Obviously, this transmission means is effective inadequately, because although two trunkings have all been received information to be transmitted, but in the end can not be in the jumping to be transferred to the base station to the identical speed of trunking transmission information with portable terminal, therefore, transmission when its transmission capacity can not support first to jump, like this, the capacity of up link is just limited.Although this is a fairly simple example, be appreciated that in more complicated application by this example, for example under the situation of the many relayings of multi-hop, still exist similar problem, and situation can be even more serious.
In order to obtain higher data transfer rate or better quality of connection, also can take other solutions, many antennas for example are installed on portable terminal, many antennas perhaps are installed on trunking simultaneously, but the Radio Network System based on relaying will face more difficulty in this case, for example be embodied at least: when portable terminal is equipped many antennas, can pass through space diversity or other transmission meanss thus to obtain higher data transfer rate, but the bottleneck that can cause final jump like this becomes more and more serious, and the up-link capacity of whole wireless network still can not obtain increasing.And, consider the saving cost, preferably solution of many antennas is installed on all trunkings, so be necessary to design a kind of effective uplink scheme, bring the superiority of MIMO transmission for Radio Network System based on relaying.
Summary of the invention
For this reason, the purpose of this invention is to provide a kind of method and corresponding device thereof that in trunking, is used to carry out the signal uplink transmission based on the wireless network of relaying.
According to an aspect of the present invention, a kind of method that is used to carry out the signal uplink transmission in the trunking based on the wireless network of relaying is provided, wherein, described trunking is as the trunking of final jump, and this method may further comprise the steps: a. receives the signal to be transmitted from a portable terminal; B. adopt with the collaborative spatial reuse transmission manner of other one or more trunkings and send this signal to be transmitted to the base station as final jump.
Described step b comprises the steps: that b1. receives the control signal from described base station; B2. based on described control signal, adopt with the collaborative spatial reuse transmission manner of other one or more trunkings and send described signal to be transmitted to the base station.
Described control signal comprises works in coordination with the corresponding identification information of spatial reuse transmission, this identification information comprises pilot frequency information and resource allocation information, and described resource comprises time that sends described signal to be transmitted and the frequency that is used to carry described signal to be transmitted.Described control signal can also comprise and will work in coordination with the information of other trunkings of spatial reuse transmission jointly.
According to another aspect of the present invention, a kind of transmitting device that is used for the control signal uplink in the trunking based on the wireless network of relaying is provided, wherein, described trunking is as the trunking of final jump, this control device comprises: signal receiver is used to receive the signal to be transmitted from a portable terminal; And the transmission processing unit, be used to adopt with the collaborative spatial reuse transmission manner of other one or more trunkings send this signal to be transmitted to the base station as final jump.
Described transmission processing unit also comprises: the control signal receiving system is used to receive the control signal from described base station; And first dispensing device, be used for based on described control signal, adopt with the collaborative spatial reuse transmission manner of other one or more trunkings and send described signal to be transmitted to the base station.
According to a further aspect of the invention, provide a kind of trunking of wireless network, wherein, comprised above-mentioned transmitting device.
According to another aspect of the present invention.A kind of method of assist control uplink in based on the base station of the wireless network of relaying is provided, wherein, has may further comprise the steps: controlled a plurality of trunkings and adopt the transmission means of collaborative spatial reuse to send signal to be transmitted to the base station as final jump.
The a plurality of trunkings as final jump of described control adopt the transmission means of collaborative spatial reuse to comprise the steps: that to the step that the base station sends signal to be transmitted i. is identified for a plurality of trunkings as final jump of collaborative spatial reuse transmission; Ii. send control information to described each trunking that is used for collaborative spatial reuse transmission as final jump.Wherein, described step I comprises: determine all trunkings as final jump; Selection is suitable for a plurality of trunkings as final jump of collaborative spatial reuse transmission.Wherein, can be based on each correlation between channels between each trunking and the base station, also can select to be suitable for a plurality of trunkings of collaborative spatial reuse transmission based on the situation that takies of the Radio Resource of each trunking as final jump.
According to a further aspect of the invention, a kind of sub controlling unit of assist control uplink in based on the base station of the wireless network of relaying is provided, wherein, comprising: APU is used to be identified for a plurality of trunkings as final jump that collaborative spatial reuse transmits; And the control information dispensing device, be used for sending control information to described each trunking that is used for collaborative spatial reuse transmission as final jump.
According to another aspect of the present invention, also provide a kind of base station of wireless network, wherein, comprised above-mentioned sub controlling unit.
Compared with prior art, the present invention has the following advantages at least: in relay processes, in the end adopt collaborative spatial reuse transmission manner to the base station forward signal in the jumping, improved the transmission capacity of final jump, feasible transfer of data with several jumpings in front have obtained balance on capacity; Relay station spatially usually separates, and adopts collaborative spatial reuse transmission manner in this case, meets the related request of 802.16e fully, and the application space non-correlation channel can bring more high power capacity; Relay station of the present invention can only use an antenna to pay wages with the saving system.
Description of drawings
By reading the detailed description of doing with reference to the following drawings that non-limiting example is done, it is more obvious that other features, objects and advantages of the present invention will become:
Fig. 1 has described the schematic diagram that carries out uplink according to prior art in based on the Radio Network System of relaying;
Fig. 2 has described the schematic diagram that carries out uplink according to the first embodiment of the present invention in based on the Radio Network System of relaying;
Fig. 3 has described the schematic diagram that carries out uplink according to a second embodiment of the present invention in based on the Radio Network System of relaying;
The trunking that Fig. 4 has described according to the first embodiment of the present invention carries out the flow chart that uplink is handled;
Fig. 5 has described the flow chart that uplink is carried out assist control according to the base station of the first embodiment of the present invention;
Fig. 6 has described the structure chart of the transmitting device of control uplink in based on the trunking of the Radio Network System of relaying according to the first embodiment of the present invention;
Fig. 7 has described the structure chart of the transmitting device of control uplink in based on the trunking of the Radio Network System of relaying according to a second embodiment of the present invention;
Fig. 8 has described the structure chart of the transmitting device of control uplink in based on the trunking of the Radio Network System of relaying of a third embodiment in accordance with the invention;
Fig. 9 has described the structure chart according to first dispensing device shown in Figure 7;
Figure 10 has described the structure chart of the sub controlling unit of assist control uplink in based on the base station of the Radio Network System of relaying according to the first embodiment of the present invention;
Figure 11 has described the structure chart of the sub controlling unit of assist control uplink in based on the base station of the Radio Network System of relaying according to a second embodiment of the present invention; And
Figure 12 has described the composition configuration diagram based on the Radio Network System of relaying according to the first embodiment of the present invention, and wherein the base station comprises above-mentioned sub controlling unit, and trunking comprises above-mentioned transmitting device.
Embodiment
With reference to figure 1, it has described the schematic diagram that carries out uplink according to prior art in based on the Radio Network System of relaying.In this example, the information (D1 D2) of trunking 21 ' receive portable terminal 11 ' send, similarly, the information (D3 D4) of trunking 22 ' receive portable terminal 12 ' send.Then; trunking 21 ' transmit received separately information to the base station with 22 ' respectively; for example can transmit in the mode of Time Division Multiplexing usually; thereby make signal (D1 D2 D3 D4) be received by the base station in chronological order; can learn according to aforementioned content, cause uplink capacity limited like this.
With reference to figure 2, it has described the schematic diagram that carries out the signal uplink transmission according to the first embodiment of the present invention in based on the Radio Network System of relaying.Similar with Fig. 1, comprise two portable terminals 11 and 12, two trunkings 21 and 22 and base stations 31 in the present embodiment in the Radio Network System.In the present embodiment, portable terminal 11 and 12 respectively comprises two antennas (with reference to figure 2, not label), and trunking 21 and 22 includes an antenna, and the base station comprises two antenna (not shown)s.Wherein, portable terminal 11 is treated transmission signals (for example baseband signal) and is encoded, obtain two-way code signal (D1 D2), in Fig. 2,, will modulate this two paths of signals and go out through two antenna transmission respectively with diversity mode (Spacetime coded) then respectively with (D1-D2*) and (D2 D1*) expression.Trunking 21 receives this two-way code signal (D1 D2), then signal (D1 D2) is correspondingly carried out operations such as demodulation, decoding, thereby obtains signal to be transmitted.Similarly, two paths of signals (D3 D4) is also transmitted in the mode of transmit diversity via portable terminal 12 and is received by trunking 22 in addition.In the present embodiment, for content of the present invention more clearly is described, the wireless network of one jumping relaying has only been described, therefore, in the present embodiment, base station 31 determines that described trunking 21,22 is the trunking of final jump, and content joins together to send described baseband signal in the mode of collaborative spatial reuse to the base station under the control of base station after above-mentioned trunking 21,22 receives portable terminal 11 and 12 signals that sent respectively according to the present invention.At last, base station 31 receives the signal that sends in the mode of collaborative spatial reuse from trunking 21 and 22 by 2 antennas, and these signals are carried out operations such as demodulation, finally obtained the signal that portable terminal 11 and portable terminal 12 are sent, i.e. (D1 D2) and (D3 D4).So far, the process that transmission signals carries out uplink for the treatment of according to present embodiment disposes.
It will be appreciated by those skilled in the art that trunking described in the present embodiment 21 and 22 work in coordination with spatial reuse and transmits by receiving control signal that base station 31 sends.Content and collaborative spatial reuse transmission manner about control signal will make an explanation in conjunction with following Fig. 4, Fig. 5.
Equally, those skilled in the art understand, above-mentioned coding/decoding, modulating/demodulating process of carrying out in portable terminal, in the trunking etc. can be accomplished in several ways, for example carry out the coding/decoding process by Alamouti coding or STC coding, finish the modulating/demodulating process by BPSK, those skilled in the art can realize in conjunction with prior art, not give unnecessary details at this.
In the present embodiment, portable terminal 11 and 12 all in the mode of transmit diversity to trunking 21 and 22 transmission signals, such transmission means can improve the quality of connection between portable terminal and the trunking, similarly, also can adopt other transmission meanss that improve quality of connection to send signal to trunking.According to a preferred embodiment of the invention, in the process of trunking transmission signal, adopt the transmission means that improves transmission quality and do not adopt the transmission means that improves transmission rate at portable terminal.And those skilled in the art understand, in the variation example of present embodiment, portable terminal also can be otherwise to the trunking transmission signals, for example with common send mode transmission, be that portable terminal 11 directly sends signal D1, D2 to trunking 21, portable terminal 12 directly sends signal D3, D4 to trunking 22, and such variation does not influence flesh and blood of the present invention.
With reference to figure 2, it will be appreciated by those skilled in the art that portable terminal transmits according to the mode of above-mentioned first embodiment again.With reference to figure 2, in the present embodiment, portable terminal adopts 2 antennas, trunking to adopt 1 antenna, base station to adopt the mode of 2 antennas, but it will be appreciated by those skilled in the art that the number about antenna also can have other variations in the variation example of present embodiment.For example change in the example at one, trunking also adopts the mode of 2 antennas, at this moment, in application process, can select 1 mode in trunking 2 antennas to carry out transmission process according to first embodiment, and change in the example at another, also can use 2 antennas and another trunking to send signal to be transmitted simultaneously in the mode of collaborative spatial reuse, those skilled in the art can be according to the present invention content and this is understood and implement in conjunction with prior art, this does not influence flesh and blood of the present invention.But in a preferred embodiment, thereby consider and do not increase the cost that the antenna of trunking number can lower trunking at least as best one can, handle so adopt the form of single antenna to finish uplink.Similarly, it will be appreciated by those skilled in the art that at another to change in the example that the mode of many antennas also can be adopted in above-mentioned base station 31, like this, uses content of the present invention and can further improve transmission speed, does not give unnecessary details at this.
Although it will be appreciated by those skilled in the art that base station 31 has only two antennas in the embodiment shown in Figure 2, in fact base station 31 can receive the signal that a plurality of trunkings send with collaborative spatial multiplexing mode.For example with reference to figure 3, it has been described trunking according to a second embodiment of the present invention and has carried out the schematic diagram that uplink is handled.Wherein, have four portable terminals 11,12,13,13 respectively to four trunkings, 21,22,23,24 transmission signals, similarly, these portable terminals still adopt the mode of transmit diversity to send signal to these trunkings.Trunking 21,22 receives respectively behind these signals signal forwarding to trunking 25 again; Trunking 23 receives behind the corresponding signal this signal forwarding to trunking 26 again; Similarly, trunking 24 correspondingly with signal forwarding that it received to trunking 27.Then, under the control of base station 31, trunking 25,26,27 is sent to the base station with the transmission means of collaborative spatial reuse with signal separately, and the base station receives these signals and correspondingly handles, and does not specifically give unnecessary details.
Those skilled in the art understand, in said process, trunking 21,22,23,24 is jumped trunking as first, 25,26,27 of trunkings are as the final jump trunking, and wherein whether a trunking as final jump adopts the transmission means of collaborative spatial reuse to send signal by base station 31 controls.In the present embodiment, base station 31 selects trunking 25,26,27 all to send signal with the transmission means of collaborative spatial reuse, and those skilled in the art understand, one at present embodiment changes in the example, other control modes also can be taked in the base station, for example only select trunking 25,27 to send signal with the transmission means of collaborative spatial reuse, trunking 26 then adopts common transmission means to transmit (for example time division way).Will be about problem how to select trunking in conjunction with following Fig. 4, Fig. 5 explanation.
Above-mentioned trunking 21,22,23,24 as first jumping can adopt common mode forward signal, and those skilled in the art are appreciated that this and implement, and do not give unnecessary details at this.
Those skilled in the art further understand, above-mentioned embodiment shown in Figure 3 only is a specific implementation of the present invention, the Radio Network System based on relaying in the real world applications may be more complicated, for example has more the jumping, and can be more as the trunking of final jump or the like.But the content and in conjunction with prior art according to the present invention, those skilled in the art can be implemented in all cases to the present invention, do not give unnecessary details at this.
With reference to figure 4, its trunking of having described according to the first embodiment of the present invention carries out the flow chart that uplink is handled.At first execution in step S401 receives the signal to be transmitted from a portable terminal; Enter step S402 then, receive control signal from described base station; Enter step S403 then, utilize the indicated identification information of described control signal to come described signal to be transmitted is identified, to generate signal to be transmitted through sign; At last, execution in step S404 sends to described base station with described signal to be transmitted through sign.Those skilled in the art understand, in above-mentioned steps S403, control signal comprises identification information, can identify information to be transmitted based on this identification information, thus make a plurality of signals of sending via a plurality of trunkings with collaborative spatial reuse transmission manner can by the base station identification respectively.In the present embodiment, described identification information can comprise pilot frequency information and resource allocation information, this resource comprises time that sends described signal to be transmitted and the frequency that is used to carry described signal to be transmitted, this temporal information that sends described signal to be transmitted indicates this trunking when to send this information, and this frequency information that is used to carry described signal to be transmitted indicates this trunking what frequency to send this information with.Because each trunking can receive the above-mentioned control information that comprises this identification information respectively, therefore the mode that just can work in coordination with spatial reuse according to this control information sends information to the base station.It will be appreciated by those skilled in the art that the pilot tone that described signal to be transmitted can be set by the pilot frequency mode that pilot frequency information comprised in the above-mentioned identification information, send with above-mentioned assigned frequency in the above-mentioned fixed time then.And in the present embodiment, each trunking sends separately signal to be transmitted to the base station in the identical time respectively with identical frequency, thereby finishes collaborative spatial reuse transmission.Further, those skilled in the art understand, though at the pilot frequency information mutually orthogonal or can realize the transmission means of above-mentioned spatial reuse under the situation that not exclusively quadrature but correlation are very little, for example at least can be with reference to " A road to future broadband wireless access:MIMO-OFDM-Based air interface " literary composition (Hongwei Yang work, Communi cations Magazine, IEEE Volume 43, Issue 1, date: in January, 2005,53-60 page or leaf) is achieved.Further, those skilled in the art also understand, collaborative spatial reuse transmission manner proposed by the invention is the spatial reuse transmission of finishing between a plurality of trunkings, and based on content of the present invention and the foregoing description, those skilled in the art also can realize.
Again with reference to figure 4, in above-mentioned steps S402, described control signal also can comprise other information beyond the above-mentioned identification information, for example comprise that all are determined the characteristic information of the trunking that adopts collaborative spatial reuse transmission means, at this moment, although do not have above-mentioned pilot frequency information and time, frequency information, but also can confirm to work in coordination with spatial reuse transmission information necessary by communicating with one another between the individual trunking, for example above-mentioned pilot frequency information and transmitting time, carry the frequency information of this information to be transmitted etc.Such control information is as a variation example of the foregoing description, and those skilled in the art can be achieved in conjunction with content of the present invention and prior art.
With reference to figure 5, it has described the flow chart that uplink is carried out assist control according to the base station of the first embodiment of the present invention.At first execution in step S501 determines all trunkings as final jump; Enter step S502 then,, select to be suitable for a plurality of trunkings of collaborative spatial reuse transmission as final jump based on each correlation between channels between each trunking and the base station; Last execution in step S503 sends control information to described each trunking as final jump that is used for collaborative spatial reuse transmission.In the step S502 of present embodiment, the base station makes one's options based on each correlation between channels between each trunking and the base station, it will be appreciated by those skilled in the art that the less trunking of those channel quadratures or correlation can be selected as the trunking that adopts collaborative spatial multiplexing mode to transmit.And in a variation example of present embodiment, in step S502, the base station is based on the situation that takies of the Radio Resource of each trunking, and for example trunking idle or that the idle amount of selection is bigger when all having the free time is worked in coordination with the trunking that spatial multiplexing mode is transmitted as adopting with Radio Resource.Owing to all can realize this in conjunction with content of the present invention and prior art those skilled in the art, so do not give unnecessary details.
In conjunction with above-mentioned Fig. 4, Fig. 5, those skilled in the art understand, among the step S402 of above-mentioned Fig. 4 and the control information among the step S503 of Fig. 5 be corresponding, the control information that send the base station can be discerned by trunking, thereby can finish content of the present invention.
With reference to figure 6, it has described the structure chart of the transmitting device of control uplink in based on the trunking of the Radio Network System of relaying according to the first embodiment of the present invention.Transmitting device 7 comprises signal receiver 71 and sends processing unit 72.Wherein, described signal receiver 71 is used to receive the signal to be transmitted from a portable terminal, described transmission processing unit 72 is used to adopt with the collaborative spatial reuse transmission manner of other one or more trunkings as final jump send this signal to be transmitted to the base station.Signal receiver 71 has an input interface, be used for outside received signal from transmitting device 7, this received signal is sent to described transmission processing unit 72, and sends (for example sending with collaborative spatial reuse transmission manner) after processing unit 72 is handled to the base station through sending.
With reference to figure 7, it has described the structure chart of the transmitting device of control uplink in based on the trunking of the Radio Network System of relaying according to a second embodiment of the present invention.With above-mentioned embodiment illustrated in fig. 6 comparing, transmission processing unit 72 ' be a variation example that sends processing unit 72 among above-mentioned first embodiment.In a second embodiment, described transmission processing unit 72 ' still realize and the described transmission processing unit 72 essentially identical purposes of first embodiment, but it comprises the control signal receiving system 721 and first dispensing device 722.Wherein, described control signal receiving system 721 is used to receive the control signal from described base station, described first dispensing device 722 is used for based on described control signal, adopts with the collaborative spatial reuse transmission manner of other one or more trunkings and sends described signal to be transmitted to the base station.Those skilled in the art understand, compare with the described transmission processing unit 72 of first embodiment, transmission processing unit 72 among second embodiment ' also receive a control signal, and make the trunking at this transmitting device 7 ' place send signal to be transmitted to the base station with collaborative spatial reuse transmission manner according to this control signal.Content about control signal can be implemented with reference to the explanation of figure 5 at least.
In conjunction with Fig. 7, again in conjunction with above-mentioned Fig. 2, Fig. 4, Fig. 5, it will be appreciated by those skilled in the art that, in one embodiment of the invention, after described control signal receiving system 721 receives control signal from base station 31, for example this control signal comprises pilot frequency information and resource allocation information in this embodiment, the frequency that promptly sends the time of described signal to be transmitted and be used to carry described signal to be transmitted, then described first dispensing device 722 is provided with the pilot tone of described signal to be transmitted according to the pilot frequency mode that above-mentioned pilot frequency information comprised, and sends described to be transmitted signal with pilot frequency mode with above-mentioned assigned frequency to the base station in the above-mentioned fixed time then.Have the signal to be transmitted of different pilot frequency modes because first dispensing device 722 in a plurality of transmitting devices all sends with identical assigned frequency in the identical fixed time, thereby can realize that a plurality of trunkings send described different signal to be transmitted with collaborative spatial reuse transmission manner to the base station.
With reference to figure 8, it has described the structure chart of the transmitting device of control uplink in based on the trunking of the Radio Network System of relaying of a third embodiment in accordance with the invention.Compare signal receiver 71 ' the comprise first receiving device 711 and first signal generating apparatus 712 with above-mentioned second embodiment shown in Figure 7.Wherein, described first receiving device 711 is used to receive the multiple signals that send in the transmit diversity mode from a portable terminal, and described first signal generating apparatus 712 is used for these multiple signals are handled, and obtains described signal to be transmitted.With reference to figure 2 and Fig. 3, it will be appreciated by those skilled in the art that in similar embodiment, portable terminal 11 grades can send signal to trunking in several ways, for example by the mode of transmit diversity, such processing mode can guarantee transmission quality.Therefore, at such embodiment, transmitting device provided by the present invention should be able to be handled received signal, and the 3rd embodiment is just in order to solve such problem.Those skilled in the art understand, can also adopt transmit diversity other modes in addition to send signal to be transmitted, for example other can guarantee the transmission means of transmission quality, similarly, said transmission signal receiving system 71 ' can correspondingly be changed, this does not influence flesh and blood of the present invention.Further, it will be appreciated by those skilled in the art that portable terminal also can send signal according to the mode of common single path, at this moment, adopt the transmitting device 7 shown in above-mentioned Fig. 6, Fig. 7 just can directly handle, do not give unnecessary details at this to these signals.
With reference to figure 9, it has described the structure chart according to first dispensing device shown in Figure 7.Wherein, described first dispensing device 722 comprises the secondary signal generating apparatus 7221 and second dispensing device 7222.Wherein, described secondary signal generating apparatus 7221 is used to utilize the indicated identification information of described control signal to come described signal to be transmitted is identified, to generate the signal to be transmitted through sign, described second dispensing device 7222 is used for described signal to be transmitted through sign is sent to described base station.It will be appreciated by those skilled in the art that therefore, described first dispensing device 722 can change accordingly owing to control signal in different embodiment can comprise different contents.In the present embodiment, described control signal comprises identification information at least, therefore, can identify described signal to be transmitted, thereby guarantee a plurality ofly can not obscure with the signal that collaborative spatial reuse transmission means sends by different described transmitting devices according to this identification information.It will be appreciated by those skilled in the art that above-mentioned identification information also can have multiple implementation, for example taked pilot frequency information in the present embodiment, make that the pilot tone of each signal to be transmitted is orthogonal.Again for example in a variation example of present embodiment, described control signal only comprises respectively being determined takes collaborative spatial reuse transmission means to send the characteristic information of the trunking of signal separately to the base station, in such variation example, then transmitting device is at first analyzed the characteristic information of other trunkings that are determined, for example send a solicited message confirming pilot frequency information that other trunkings are adopted etc., thereby finally determine mode that described signal to be transmitted is handled to other trunkings.
With reference to Figure 10, it has described the structure chart of the sub controlling unit of assist control uplink in based on the base station of the Radio Network System of relaying according to the first embodiment of the present invention.Sub controlling unit 8 comprises APU 81 and control information dispensing device 82.Wherein, described APU 81 is used to be identified for a plurality of trunkings as final jump of collaborative spatial reuse transmission; Described control information dispensing device 82 is used for sending control information to described each trunking as final jump that is used for collaborative spatial reuse transmission.
With reference to Figure 11, it has described the structure chart of the sub controlling unit of assist control uplink in based on the base station of the Radio Network System of relaying according to a second embodiment of the present invention.Compare with the sub controlling unit that above-mentioned first embodiment provides, the sub controlling unit 8 that present embodiment provides ' in APU 81 ' comprise first determine the device 811 and first choice device 812.Wherein, first determines that device 811 is used for determining all trunkings as final jump, and first choice device 812 is used to select to be suitable for a plurality of trunkings as final jump of collaborative spatial reuse transmission.Those skilled in the art understand, by this first determine that device 811 has determined that institute might send the trunking (promptly at this sub controlling unit place all trunkings as final jump of base station) of signal with collaborative spatial reuse transmission means after, this first choice device 812 selects suitable trunking to adopt collaborative spatial reuse transmission manner transmission signal.Further, it will be appreciated by those skilled in the art that and to determine suitable trunking in several ways.For example in the present embodiment, above-mentioned first choice device 812 comprises that also first analytical equipment, 8121 (not shown)s are used for selecting to be suitable for a plurality of trunkings as final jump that collaborative spatial reuse transmits based on each correlation between channels between each trunking and the base station, and in other embodiments, above-mentioned first choice device 812 can comprise that also second analytical equipment, 8122 (not shown)s are used for selecting suitable trunking based on the situation that takies of the Radio Resource of each trunking, it will be appreciated by those skilled in the art that and implement, do not give unnecessary details at this.
After having determined to adopt collaborative spatial reuse transmission manner to send the trunking of signal, sub controlling unit 8 will notify corresponding relay equipment how to work in coordination with the spatial reuse transmission by the mode that transmits control signal to trunking.Can implement the content of this control signal with reference to figure 5.
With reference to Figure 12, it has described the composition configuration diagram based on the Radio Network System of relaying according to the first embodiment of the present invention, and wherein base station 31 comprises above-mentioned sub controlling unit, and trunking 21,22 to 2n comprises above-mentioned transmitting device.In conjunction with above-mentioned first embodiment to the, three embodiment, those skilled in the art understand, by above-mentioned sub controlling unit 8 or 8 ' or other of this sub controlling unit change example, base station 31 can determine to adopt collaborative spatial reuse transmission manner to send the trunking of signal, and by the notice corresponding relay equipment that transmits control signal.By above-mentioned transmitting device 7 or 7 ' or 7 ' ' or other of this transmitting device change example, a plurality of trunkings 21,22 to 2n can be worked in coordination with the spatial reuse transmission manner and be sent signal to be transmitted to base station 31, thereby realize the object of the invention.
More than specific embodiments of the invention are described.It will be appreciated that the present invention is not limited to above-mentioned specific implementations, those skilled in the art can make various distortion or modification within the scope of the appended claims.
Claims (33)
1. method that in trunking, is used to carry out the signal uplink transmission based on the wireless network of relaying, wherein, described trunking is as the trunking of final jump, and this method may further comprise the steps:
A. receive signal to be transmitted from a portable terminal;
B. adopt with the collaborative spatial reuse transmission manner of other one or more trunkings and send this signal to be transmitted to the base station as final jump.
2. method according to claim 1, wherein, described step b comprises the steps:
B1. receive control signal from described base station;
B2. based on described control signal, adopt with the collaborative spatial reuse transmission manner of other one or more trunkings and send described signal to be transmitted to the base station.
3. method according to claim 2, wherein, described control signal comprises works in coordination with the corresponding identification information of spatial reuse transmission, wherein,
Described step b2 may further comprise the steps:
-utilize the indicated identification information of described control signal to come described signal to be transmitted is identified, to generate signal to be transmitted through sign;
-described signal to be transmitted through sign is sent to described base station.
4. method according to claim 3, wherein, described identification information comprises pilot frequency information and resource allocation information, wherein,
Described step b2 may further comprise the steps:
-utilize the indicated pilot frequency mode of described pilot frequency information that the pilot tone of described signal to be transmitted is set, have the signal to be transmitted of described pilot frequency mode with generation;
-utilize the indicated resource of described resource allocation information that described signal to be transmitted with described pilot frequency mode is sent to described base station.
5. method according to claim 4, wherein, described resource comprises time that sends described signal to be transmitted and the frequency that is used to carry described signal to be transmitted, wherein,
Described step b2 may further comprise the steps:
-utilize the indicated pilot frequency mode of described pilot frequency information that the pilot tone of described signal to be transmitted is set, have the signal to be transmitted of described pilot frequency mode with generation;
-in the indicated transmitting time of described resource allocation information described signal to be transmitted with described pilot frequency mode is sent to described base station with the indicated frequency of described resource allocation information.
6. method according to claim 2, wherein, described control signal also comprise will work in coordination with jointly the information of other trunkings of spatial reuse transmission, wherein,
Described step b2 may further comprise the steps:
-based on one or more trunkings that described control signal is determined, adopt with the collaborative spatial reuse transmission manner of these one or more trunkings and send described signal to be transmitted to the base station.
7. according to each described method in the claim 2 to 6, wherein, described step a comprises step:
The multiple signals that-reception adopts the transmit diversity mode to be sent from a portable terminal;
-described multiple signals are handled, obtain described signal to be transmitted.
8. transmitting device that in trunking, is used for the control signal uplink based on the wireless network of relaying, wherein, described trunking is as the trunking of final jump, and this control device comprises:
Signal receiver is used to receive the signal to be transmitted from a portable terminal; And
Send processing unit, be used to adopt with the collaborative spatial reuse transmission manner of other one or more trunkings send this signal to be transmitted to the base station as final jump.
9. transmitting device according to claim 8, wherein, described transmission processing unit also comprises:
The control signal receiving system is used to receive the control signal from described base station; And
First dispensing device is used for based on described control signal, adopts with the collaborative spatial reuse transmission manner of other one or more trunkings and sends described signal to be transmitted to the base station.
10. transmitting device according to claim 9, wherein, described control signal comprises works in coordination with the corresponding identification information of spatial reuse transmission, and wherein, described first dispensing device comprises:
The secondary signal generating apparatus is used to utilize the indicated identification information of described control signal to come described signal to be transmitted is identified, to generate the signal to be transmitted through sign; And
Second dispensing device is used for described signal to be transmitted through sign is sent to described base station.
11. transmitting device according to claim 10, wherein, described identification information comprises pilot frequency information and resource allocation information, wherein,
Described secondary signal generating apparatus is used to utilize the indicated pilot frequency mode of described identification information that the pilot tone of described signal to be transmitted is set, and has the signal to be transmitted of described pilot frequency mode with generation; And
Described second dispensing device is used to utilize the indicated resource of described resource allocation information that described signal to be transmitted with described pilot frequency mode is sent to described base station.
12. transmitting device according to claim 11, wherein, described resource comprises time that sends described signal to be transmitted and the frequency that is used to carry described signal to be transmitted, wherein,
Described second dispensing device is used in the indicated transmitting time of described resource allocation information described signal to be transmitted with described pilot frequency mode being sent to described base station with the indicated frequency of described resource allocation information.
13. transmitting device according to claim 9, wherein, described control signal also comprises and will work in coordination with the characteristic information of other trunkings of spatial reuse transmission jointly, wherein, described first dispensing device also is used for: based on one or more trunkings that described control signal is determined, adopt with the collaborative spatial reuse transmission manner of these one or more trunkings and send described signal to be transmitted to the base station.
14. each described transmitting device in 13 according to Claim 8, wherein, described signal receiver comprises:
First receiving device is used to receive the multiple signals that adopt the transmit diversity mode to be sent from a portable terminal; And
First signal generating apparatus is used for described multichannel letter signal is handled, and obtains described signal to be transmitted.
15. the trunking of a wireless network wherein, comprises as each described transmitting device in the claim 8 to 14.
16. the method for an assist control uplink in based on the base station of the wireless network of relaying wherein, may further comprise the steps: control a plurality of trunkings and adopt the transmission means of collaborative spatial reuse to send signal to be transmitted to the base station as final jump.
17. method according to claim 16, wherein, a plurality of trunkings as final jump of described control adopt the transmission means of collaborative spatial reuse to comprise the steps: to the step that the base station sends signal to be transmitted
I. be identified for a plurality of trunkings of collaborative spatial reuse transmission as final jump;
Ii. send control information to described each trunking that is used for collaborative spatial reuse transmission as final jump.
18. method according to claim 17, wherein, described step I comprises:
-determine all trunkings as final jump;
-selection is suitable for a plurality of trunkings as final jump of collaborative spatial reuse transmission;
Wherein, described step I i is: to described each be suitable for adopting the trunking of collaborative spatial reuse transmission means to send control information.
19. method according to claim 18, wherein, the step of described selection is suitable for collaborative spatial reuse transmission a plurality of trunkings as final jump comprises:
Based on each correlation between channels between each trunking and the base station, select to be suitable for a plurality of trunkings of collaborative spatial reuse transmission as final jump.
20. method according to claim 18, wherein, the step of described selection is suitable for collaborative spatial reuse transmission a plurality of trunkings as final jump comprises:
Based on the situation that takies of the Radio Resource of each trunking, select to be suitable for a plurality of trunkings of collaborative spatial reuse transmission as final jump.
21. according to each described method in the claim 17 to 20, wherein, described control information comprises described each identification information that distributes as the trunking of final jump.
22. method according to claim 21, wherein, described identification information comprises the pilot frequency information and the resource allocation information of each trunking.
23. method according to claim 22, wherein, described resource comprises time that sends described signal to be transmitted and the frequency that is used to carry described signal to be transmitted.
24. according to each described method in the claim 17 to 20, wherein, described control information comprises described each characteristic information as the trunking of final jump.
25. the sub controlling unit of an assist control uplink in based on the base station of the wireless network of relaying wherein, comprising:
APU is used to be identified for a plurality of trunkings as final jump that collaborative spatial reuse transmits; And
The control information dispensing device is used for sending control information to described each trunking as final jump that is used for collaborative spatial reuse transmission.
26. sub controlling unit according to claim 25, wherein, described APU comprises:
First determines device, is used for determining all trunkings as final jump; And
First choice device is used to select to be suitable for a plurality of trunkings as final jump that collaborative spatial reuse transmits;
Wherein, described control information dispensing device be used for to described each be suitable for adopting the trunking of collaborative spatial reuse transmission means to send control information.
27. sub controlling unit according to claim 26, wherein, described first choice device comprises:
First analytical equipment is used for based on each correlation between channels between each trunking and the base station, selects to be suitable for a plurality of trunkings as final jump of collaborative spatial reuse transmission.
28. sub controlling unit according to claim 26, wherein, described first choice device also comprises:
Second analytical equipment is used for the situation that takies based on the Radio Resource of each trunking, selects to be suitable for a plurality of trunkings as final jump of collaborative spatial reuse transmission.
29. according to each described sub controlling unit in the claim 25 to 28, wherein, described control information comprises described each identification information that distributes as the trunking of final jump.
30. sub controlling unit according to claim 28, wherein, described identification information comprises the pilot frequency information and the resource allocation information of each trunking.
31. sub controlling unit according to claim 30, wherein, described resource comprises time that sends described signal to be transmitted and the frequency that is used to carry described signal to be transmitted.
32. according to each described sub controlling unit in the claim 25 to 28, wherein, described control information also comprises described each characteristic information as the trunking of final jump.
33. the base station of a wireless network wherein, comprises as each described sub controlling unit in the claim 25 to 32.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010078854A1 (en) * | 2009-01-12 | 2010-07-15 | 华为技术有限公司 | Transmission method, device and system for uplink information |
| CN102118869A (en) * | 2010-01-05 | 2011-07-06 | 财团法人工业技术研究院 | System and method for data relay transmission |
| CN102326340A (en) * | 2009-02-24 | 2012-01-18 | Lg电子株式会社 | Make via node can send method and this via node of ascending control information in the wireless communication system |
| CN102386951A (en) * | 2010-09-02 | 2012-03-21 | 株式会社Ntt都科摩 | Relay apparatus and relay method |
| CN110166204A (en) * | 2018-02-14 | 2019-08-23 | 成都华为技术有限公司 | The method and apparatus of resource allocation |
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| US7047016B2 (en) * | 2001-05-16 | 2006-05-16 | Qualcomm, Incorporated | Method and apparatus for allocating uplink resources in a multiple-input multiple-output (MIMO) communication system |
| US7508798B2 (en) * | 2002-12-16 | 2009-03-24 | Nortel Networks Limited | Virtual mimo communication system |
| CN100531167C (en) * | 2003-05-28 | 2009-08-19 | 艾利森电话股份有限公司 | Method and system for wireless communication networks using relaying |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2010078854A1 (en) * | 2009-01-12 | 2010-07-15 | 华为技术有限公司 | Transmission method, device and system for uplink information |
| CN102326340A (en) * | 2009-02-24 | 2012-01-18 | Lg电子株式会社 | Make via node can send method and this via node of ascending control information in the wireless communication system |
| US8743771B2 (en) | 2009-02-24 | 2014-06-03 | Lg Electronics Inc. | Method for enabling relay node to transmit uplink control information in wireless communication system and the relay node |
| CN102326340B (en) * | 2009-02-24 | 2015-10-14 | Lg电子株式会社 | Make via node can send method and this via node of ascending control information in wireless communication system |
| CN102118869A (en) * | 2010-01-05 | 2011-07-06 | 财团法人工业技术研究院 | System and method for data relay transmission |
| CN102118869B (en) * | 2010-01-05 | 2015-01-21 | 财团法人工业技术研究院 | System and method for data relay transmission |
| CN102386951A (en) * | 2010-09-02 | 2012-03-21 | 株式会社Ntt都科摩 | Relay apparatus and relay method |
| CN102386951B (en) * | 2010-09-02 | 2014-06-04 | 株式会社Ntt都科摩 | Relay apparatus and relay method |
| CN110166204A (en) * | 2018-02-14 | 2019-08-23 | 成都华为技术有限公司 | The method and apparatus of resource allocation |
| CN110166204B (en) * | 2018-02-14 | 2022-01-14 | 成都华为技术有限公司 | Resource allocation method and device |
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| CN101232319B (en) | 2012-07-25 |
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