CN101553030B - Method and equipment for repeatedly using same time slot by multiple users - Google Patents

Method and equipment for repeatedly using same time slot by multiple users Download PDF

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Publication number
CN101553030B
CN101553030B CN2008100897257A CN200810089725A CN101553030B CN 101553030 B CN101553030 B CN 101553030B CN 2008100897257 A CN2008100897257 A CN 2008100897257A CN 200810089725 A CN200810089725 A CN 200810089725A CN 101553030 B CN101553030 B CN 101553030B
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measurement parameter
terminal
multiplexing
time slot
conditioned
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CN101553030A (en
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梅竞晋
谭斌
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/12Wireless traffic scheduling
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses a method and equipment for repeatedly using a same time slot by multiple users. The method comprises the following steps: obtaining measuring parameters of at least one terminal; and judging if the terminals can be repeatedly used according to the measuring parameters of the obtained terminals. The embodiment of the invention can avoid influencing user service due to improper repeated use, enhance the wireless property and improve the feeling of multiple users repeatedly using the same time slot, provides conditions for more effective power control, enhances the spectrum effectiveness and more effectively utilizes hardware and spectrum resources.

Description

A kind of method and apparatus of multiuser time slot multiplexing
Technical field
The present invention relates to communication technical field, relate in particular to a kind of method and apparatus of multiuser time slot multiplexing.
Background technology
Traditional voice is that user of a time slot allocation uses, general existing CS (Circuit Switching, when circuit switching) business is set up, network is at first given MS (Mobile Station, travelling carriage) distributes SDCCH (Stand-alone Dedicated Control Channel, Separate Dedicated Control Channel), the signaling transmission needs about 1-2S, at SACCH (Slow Associated Control Channel, slow associated control channel) going up 480ms can reporting measurement reports, therefore network can be received the measurement report that 2-3 travelling carriage reports, give this travelling carriage distribution service channel TCH (Traffic Channel according to measurement report then, Traffic Channel), carry out business.
The report cycle of SDCCH is 102TDMA (Time Division Multiple Access, time division multiple access inserts) frame, when MS is on the SDCCH, in each SDCCH cycle, with assessing link quality and reporting measurement reports, comprise: 6 RXLEV (Received signal level, the Received signal level) value, 8 SDCCH of strong sub-district and 4 the SACCH frames RXLEV and RXQUAL (Received signal quality, received signal quality) values of totally 12 frames.
Transmission has delay because signal is in the space simultaneously, move to direction during calling out as travelling carriage away from the base station, the signal that then sends from the base station is with more and more slower arrival travelling carriage, meanwhile, the signal of travelling carriage also can be more and more slower the arrival base station, postponing long meeting causes certain travelling carriage that the base station receives signal and base station time slot of receiving next other mobile station signal on this time slot overlapped, cause intersymbol interference, therefore, during calling is carried out, travelling carriage is issued the time delay value that carries moving table measuring on the measurement report head of base station, and the time that the necessary supervising connections for calling in base station arrives, and on down channel, send instruction to travelling carriage with 480ms frequency once, the time that the indication travelling carriage sends in advance, this time is exactly TA (Timing Advance, Timing Advance), and the codomain of TA is 0~63 (0~233 μ s).
In the background technology, in order to increase the speech capacity, promptly on identical resource, carry the more speech of multichannel, can be at a time slot and ARFCN (Absolute Radio Frequency Channel Number, ARFCN) goes up multiplexing a plurality of users, can on fixing carrier frequency and frequency spectrum, obtain bigger capacity, MUROS for example shown in Figure 1 (Multi-User Reuse One Slot, multiuser time slot multiplexing), two subchannels can be provided, two MS are worked on identical Radio Resource.Each MS takies a subchannel, and subchannel is distinguished by the training sequence of quadrature or nearly orthogonal.During for the traditional C voice service, each Burst (burst) gives a user and uses, and GMSK (GaussianMinimum Shift-frequency Keying, GMSK (Guassian Minimum Shift Keying)) modulation system is all used in up-downgoing; During MUROS, the base station sends two-way GMSK signal and produces class QPSK (Quadrature Phase Shift Keying when descending, quarternary phase-shift keying (QPSK)) signal, travelling carriage is by the mutually orthogonal training sequence and the interference cancellation techniques of enhancing, with not one's own signal, be used as interference signal and eliminate, thereby solve one's own one road signal; Two multiplexing MS still use GMSK to be modulated at same time slot to send when up, SIC (Successive Interference Cancellation is used in the base station, continuous interference cancellation) or JD (Joint Detection, joint-detection) mode demodulation two-way multiplexed signals, and by different TSC (Training Sequence Codes, training sequence number) two MS of difference.
Be two terminals of example explanation how multiplexing same frequency and time slot, as shown in Figure 2, at ARFCN is 160 o'clock, on time slot 3, the base station issues two paths of signals when descending, use training sequence 0 and training sequence 5 respectively, MS1 and MS2 distinguish one's own signal by training sequence, when up, MS1 and MS2 send the signal of oneself respectively to the base station, and the base station is distinguished by training sequence, shown in solid line among Fig. 2, for not one's own signal, MS can be used as interference and handle, as shown in phantom in Figure 2.
In the invention process, the inventor finds to exist at least in the background technology following shortcoming:
In the background technology, two multiplexing channels of travelling carriage in order to guarantee the performance of whole system, reduce the interference to system, need be multiplexed into a wireless channel to the similar travelling carriage of wireless environment.If the wireless environment of two travelling carriages differs greatly, then multiplexing may will soon being dismantled.
Summary of the invention
The embodiment of the invention provides a kind of method and apparatus of multiuser time slot multiplexing, network can be judged the wireless environment of travelling carriage according to relevant foundation such as measurement report or time offset value, and preferential pairing is carried out multiplexing to the close travelling carriage of wireless environment.
The embodiment of the invention provides a kind of method of multiuser time slot multiplexing, comprising: a kind of method of multiuser time slot multiplexing, it is characterized in that, and comprising:
Obtain the measurement parameter of at least one terminal;
Judge whether reusable of described terminal according to the measurement parameter of the described terminal of obtaining.
The embodiment of the invention provides a kind of equipment of multiuser time slot multiplexing, comprising: the measurement parameter acquiring unit is used to obtain the measurement parameter of at least one terminal;
The measurement parameter acquiring unit is used to obtain the measurement parameter of at least one terminal;
Judging unit, be used for the measurement parameter that basis is obtained from described measurement parameter acquiring unit, two initial terminals multiplexed or initial terminals multiplexed and another are being carried out professional terminal judging that it is pre-conditioned to determine whether measurement parameter satisfies;
Multiplexing Unit is used for determining that at described judging unit measurement parameter satisfies when pre-conditioned, and two initial terminals multiplexed or initial terminals multiplexed and another are being carried out professional terminal multiplexing to same time slot.
In the embodiments of the invention, can avoid to improve wireless performance, improve the impression that strengthens the multiuser time slot multiplexing user, provide condition for more effective power control simultaneously because improper multiplexing and cause influence to customer service.And improve spectrum efficiency, more efficient use hardware and frequency spectrum resource.
Description of drawings
Fig. 1 is a MUROS structural representation in the background technology;
Fig. 2 is how multiplexing same frequency and a time slot schematic diagram of two terminals in the background technology;
Fig. 3 is the method flow diagram of a kind of multiuser time slot multiplexing in the embodiment of the invention one;
Fig. 4 is the method flow diagram of a kind of multiuser time slot multiplexing in the embodiment of the invention two;
Fig. 5 is the method flow diagram of a kind of multiuser time slot multiplexing in the embodiment of the invention three;
Fig. 6 is the equipment structure chart of a kind of multiuser time slot multiplexing in the embodiment of the invention.
Embodiment
The embodiment of the invention one provides a kind of method of multiuser time slot multiplexing, utilizes measurement report as basis for estimation, handles two terminal initial multiplexed situation.Detailed process may further comprise the steps as shown in Figure 3:
Step 301, when the CS business was set up, network equipment (for example base station controller) distributed the SDCCH channel to MS;
Step 302, network equipment receives the measurement report that MS reports, and for example, utilizes SDCCH to report.Wherein, measurement report is not limited to the measurement report on the SDCCH, can be the measurement report (such as current frequency and frequency on every side) of certain or some frequency of network equipment appointment, also can be the measurement report of TCH channel to be allocated.Wherein, before measurement report reported, network equipment sent indication to terminal specially, indicates described terminal that specific project is measured;
Step 303, the measurement report that the more a plurality of MS of network equipment report;
Step 304, the MS that measurement parameter is satisfied pre-conditioned (for example wireless environment similar etc.) is (as RXLEV_VAL, MEAN_BEP, parameters such as RXQUAL_FULL are close) preferably be multiplexed into same traffic channel TCH, advise that threshold ratio is set to 40% this moment, and it is more preferred more multiplexing than the time less than preset threshold value with the threshold ratio of bigger measurement parameter that the same a kind of measurement parameter in the measurement report of two MS differs.If simultaneously owing to certain burst reason, judge when will the terminals multiplexed wireless environment differing big according to the measurement report parameter, can be by threshold ratio be set, as differ when the same a kind of measurement parameter in the measurement report of both two MS with the threshold ratio of bigger measurement parameter greater than preset threshold value than 60% the time, allow network equipment stop terminal multiplexing.
The embodiment of the invention two provides a kind of method of multiuser time slot multiplexing, handles a terminal and another and is carrying out professional terminal situation.Detailed process may further comprise the steps as shown in Figure 4:
Step 401, when setting up for initiating CS business that new business adds multiplexing MS, network equipment distributes the SDCCH channel to MS;
Step 402, network equipment are received the measurement report that MS reports, and for example, utilize SDCCH to carry out reporting of measurement report.Wherein, measurement report not only can be the measurement report on the SDCCH, it also can be the measurement report (such as current frequency and frequency on every side) of certain or some frequency of network appointment, also can be the measurement report of TCH channel to be allocated, network also can be received the measurement report on the TCH that carries out service terminal simultaneously;
Step 403, network equipment compares this measurement report and other measurement report that reports that is carrying out professional a plurality of MS;
Step 404, network equipment with measurement parameter satisfy pre-conditioned (for example, wireless environment is the most close) initial terminals multiplexed with carrying out professional terminal (as RXLEV_VAL, MEAN_BEP, parameters such as RXQUAL_FULL are close) preferably be multiplexed into same traffic channel TCH, at this moment, such as comparing less than 40% by the setting measurement parameter threshold.If simultaneously owing to certain burst reason, judge when will the terminals multiplexed wireless environment differing big according to the measurement report parameter, can be by threshold ratio be set, as when both parameter disparity threshold than greater than 60% the time, do not allow this MS be multiplexed into selected channel, and carry out preferably according to measurement report again.
In the embodiment of the invention, when a plurality of (for example two) terminal just when multiplexing, if (move etc.) for a certain reason as terminal, the measurement report that causes two terminal to report is (as RXLEV_VAL, MEAN_BEP, parameters such as RXQUAL_FULL are close) have than big-difference, this moment network based two terminal to report TCH on measurement report, threshold value can be set, when differing by more than 60% such as parameter when both, judge just have big difference, allow this moment network stop the multiplexing of two terminals at two multiplexing terminal wireless environment.
The embodiment of the invention three provides a kind of method of multiuser time slot multiplexing, utilizes the TA value as basis for estimation, is applicable to that a plurality of terminal initials are multiplexing, or terminal and another are carrying out professional terminal multiplexing.Detailed process may further comprise the steps as shown in Figure 5:
Step 501, network equipment is according to the TA value judgement terminal of current two terminals and the relative position on the base station physical, such as the distance of terminal apart from the base station.Wherein, TA is during calling is carried out, and travelling carriage is issued the time delay value that carries moving table measuring on the measurement report head of base station, the time that the network equipment supervising connections for calling arrives, and on down channel, send instruction, the time that the indication travelling carriage sends in advance to travelling carriage.
Step 502, network equipment is judged the similarity degree of wireless environment according to terminal apart from the distance of base station, in addition reference when network equipment distributes multiplex terminal.
Step 503, network equipment preferably is multiplexed into same traffic channel TCH with the MS the most close apart from the base station., a threshold value (such as 40,20) can be set herein,, can try one's best that it is multiplexing not carry out when two terminal TA differences during greater than threshold value 40, when two terminal TA differences less than 20 the time, preferentially the candidate carries out multiplexing.
The embodiment of the invention provides a kind of equipment of multiuser time slot multiplexing, as shown in Figure 6, comprising: measurement parameter acquiring unit 10 is used to obtain the measurement parameter of at least one terminal; Judging unit 20, be used for the measurement parameter that basis is obtained from described measurement parameter acquiring unit 10, two initial terminals multiplexed or initial terminals multiplexed and another are being carried out professional terminal judging that it is pre-conditioned to determine whether measurement parameter satisfies; Multiplexing Unit 30 is used for determining that at described judging unit 20 measurement parameters satisfy when pre-conditioned, two initial terminals multiplexed or an initial terminals multiplexed is being carried out professional terminal multiplexing with another arriving same time slot.
The equipment of multiuser time slot multiplexing also comprises: removes Multiplexing Unit 40, is used to judge and describedly just do not satisfy when pre-conditioned at the measurement parameter of multiplexing a plurality of terminals, and will described a plurality of terminals dismountings multiplexing.
Judging unit 20 specifically comprises: threshold value is provided with subelement 21, is used to be provided with the measurement parameter threshold value; Judgment sub-unit 22 is used to judge whether whether the same measurement parameter of described a plurality of terminal be provided with the measurement parameter of subelement 21 settings than threshold value, if then measurement parameter satisfies pre-conditioned greater than threshold value at described default measurement parameter ratio than threshold value; If not, then measurement parameter does not satisfy pre-conditioned.
In the embodiments of the invention, can avoid to improve wireless performance, improve the impression that strengthens the multiuser time slot multiplexing user, provide condition for more effective power control simultaneously because improper multiplexing and cause influence to customer service.And improve spectrum efficiency, more efficient use hardware and frequency spectrum resource.In addition,,, need network, need network can judge whether to remove multiplexing foundation initiatively with multiplexing dismounting owing to the network reason can't continue if just at multiplexing travelling carriage.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to background technology in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium, comprise that some instructions are with so that a computer equipment (can be a personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
More than disclosed only be several specific embodiment of the present invention, still, the present invention is not limited thereto, any those skilled in the art can think variation all should fall into protection scope of the present invention.

Claims (10)

1. the method for a multiuser time slot multiplexing is characterized in that, comprising:
Obtain the measurement parameter of at least one terminal;
Judge the whether same time slot of reusable of described terminal according to the measurement parameter of the described terminal of obtaining;
The described measurement parameter that obtains at least one terminal specifically comprises the measurement parameter that obtains an initial multiplex terminal;
Describedly judge according to described measurement parameter whether the same time slot of reusable specifically comprises described terminal: the measurement parameter of described initial multiplex terminal and the measurement parameter that is carrying out professional terminal are compared, when described comparative result shows described initial multiplex terminal and describedly carrying out professional terminal measurement parameter and satisfy when pre-conditioned, described initial multiplex terminal is being carried out the time slot that professional terminal multiplexing takies to described terminal of carrying out business with described;
Described to judge whether measurement parameter satisfies pre-conditioned, specifically comprises:
The measurement parameter threshold value is set, whether the ratio of judging the same measurement parameter phase of described a plurality of terminal difference and bigger measurement parameter is less than preset threshold value, perhaps, judge that whether the same measurement parameter phase of described a plurality of terminal difference is less than preset threshold value, if then measurement parameter satisfies pre-conditioned; If not, then measurement parameter does not satisfy pre-conditioned.
2. the method for multiuser time slot multiplexing according to claim 1 is characterized in that, describedly also comprises after being multiplexed into same time slot:
Judge and describedly just do not satisfy when pre-conditioned, remove described a plurality of terminals multiplexing at the measurement parameter of multiplexing a plurality of terminals.
3. the method for multiuser time slot multiplexing according to claim 1, it is characterized in that described measurement parameter comprises: the content of the measurement report of terminal to report, perhaps network equipment sends to the Timing Advance of terminal.
4. the method for multiuser time slot multiplexing according to claim 1 is characterized in that described measurement parameter also comprises: the particular measurement parameter of network appointment.
5. as the method for multiuser time slot multiplexing as described in the claim 3, it is characterized in that, the measurement report of described terminal to report comprises: the measurement report of Separate Dedicated Control Channel SDCCH, network equipment are specified the measurement report of frequency, or the measurement report of Traffic Channel TCH to be allocated.
6. the method for a multiuser time slot multiplexing is characterized in that, comprising:
Obtain the measurement parameter of at least one terminal;
Judge the whether same time slot of reusable of described terminal according to the measurement parameter of the described terminal of obtaining;
The described measurement parameter that obtains at least one terminal specifically comprises: the measurement parameter that obtains a plurality of initial multiplex terminals;
Describedly judge according to described measurement parameter whether reusable specifically comprises described terminal:
The measurement parameter of described a plurality of initial multiplex terminals is compared, satisfy when pre-conditioned, described a plurality of initial multiplex terminals are multiplexed into same time slot when described comparative result shows the terminal measurement parameter of described a plurality of initial multiplex terminals;
Described to judge whether measurement parameter satisfies pre-conditioned, specifically comprises:
The measurement parameter threshold value is set, whether the ratio of judging the same measurement parameter phase of described a plurality of terminal difference and bigger measurement parameter is less than preset threshold value, perhaps, judge that whether the same measurement parameter phase of described a plurality of terminal difference is less than preset threshold value, if then measurement parameter satisfies pre-conditioned; If not, then measurement parameter does not satisfy pre-conditioned.
7. as the method for multiuser time slot multiplexing as described in the claim 6, it is characterized in that, describedly also comprise after being multiplexed into same time slot:
Judge and describedly just do not satisfy when pre-conditioned, remove described a plurality of terminals multiplexing at the measurement parameter of multiplexing a plurality of terminals.
8. as the method for multiuser time slot multiplexing as described in the claim 6, it is characterized in that described measurement parameter comprises: the content of the measurement report of terminal to report, perhaps network equipment sends to the Timing Advance of terminal.
9. the equipment of a multiuser time slot multiplexing is characterized in that, comprising:
The measurement parameter acquiring unit is used to obtain the measurement parameter of at least one terminal;
Judging unit, be used for the measurement parameter that basis is obtained from described measurement parameter acquiring unit, two initial terminals multiplexed or initial terminals multiplexed and another are being carried out professional terminal judging that it is pre-conditioned to determine whether measurement parameter satisfies;
Multiplexing Unit is used for determining that at described judging unit measurement parameter satisfies when pre-conditioned, and two initial terminals multiplexed or initial terminals multiplexed and another are being carried out professional terminal multiplexing to same time slot;
Described judging unit specifically comprises:
Threshold value is provided with subelement, is used to be provided with the measurement parameter threshold value;
Judgment sub-unit, be used to judge whether the same measurement parameter phase of the described a plurality of terminal difference and the ratio of bigger measurement parameter are provided with the measurement parameter threshold value that subelement is provided with less than described threshold value, judge perhaps whether the same measurement parameter phase of described a plurality of terminal difference is provided with the measurement parameter threshold value that subelement is provided with less than described threshold value, if then measurement parameter satisfies pre-conditioned; If not, then measurement parameter does not satisfy pre-conditioned.
10. as the equipment of multiuser time slot multiplexing as described in the claim 9, it is characterized in that, also comprise:
Remove Multiplexing Unit, be used to judge and describedly just do not satisfy when pre-conditioned at the measurement parameter of multiplexing a plurality of terminals, will described a plurality of terminals dismountings multiplexing.
CN2008100897257A 2008-04-03 2008-04-03 Method and equipment for repeatedly using same time slot by multiple users Expired - Fee Related CN101553030B (en)

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CN2008100897257A CN101553030B (en) 2008-04-03 2008-04-03 Method and equipment for repeatedly using same time slot by multiple users
PCT/CN2009/071156 WO2009121309A1 (en) 2008-04-03 2009-04-03 A method and apparatus for multiplexing multiple users into the same time slot

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CN102244934B (en) * 2010-05-11 2015-08-19 中国移动通信集团公司 Communication resource allocation method and resource allocation device in VAMOS system
CN102244871B (en) * 2010-05-13 2015-08-12 中兴通讯股份有限公司 Multiplexing method in a kind of multiuser multiplexing technology and device
CN102413524B (en) * 2011-11-09 2014-10-08 华为技术有限公司 Communication method of sharing one cell, base station controller, base station and communication system thereof
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