CN101645751B - Method, system and device for transmitting downlink associated control channel frames - Google Patents
Method, system and device for transmitting downlink associated control channel frames Download PDFInfo
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- CN101645751B CN101645751B CN200810131263A CN200810131263A CN101645751B CN 101645751 B CN101645751 B CN 101645751B CN 200810131263 A CN200810131263 A CN 200810131263A CN 200810131263 A CN200810131263 A CN 200810131263A CN 101645751 B CN101645751 B CN 101645751B
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Abstract
The embodiment of the invention provides a method, a system and a device for transmitting downlink associated control channel frames. The method comprises the following steps: multiplexing slow associated control channel frames of a plurality of users in a same time slot of multiframes of a half-rate channel; forming slow associated control channel blocks by each four slow associated control channel frames, wherein the slow associated control channel block formed by the slow associated control channel frames of at least one of the plurality of users comprises common information and specific information of the user, and the slow associated control channel blocks formed by the slow associated control channel frames of the rest users of the plurality of users comprise the specific information of the users; and sending the multiplexing slow associated control channel frames. When a plurality of users multiplex the same time slot, the correct transmission of the slow associated control channel frames of each user can be ensured.
Description
Technical field
The present invention relates to mobile communication technology, particularly relate to a kind of transmission method, system and equipment of downlink associated control channel frames.
Background technology
Traditional voice is that user of a time slot allocation uses; In order to increase the speech capacity; Need on identical resource, carry the more speech of multichannel; A kind of implementation method is exactly to go up multiplexing a plurality of users at a time slot and absolute RF channel number ARFCN (Absolute Radio Frequency Channel Number), on fixing carrier frequency and frequency spectrum, just can obtain the remarkable increase of capacity like this.
For this reason, introduced multiuser time slot multiplexing (MUROS, Multi-User Reuse One Slot) technology, the MUROS technology can provide two subchannel, and two travelling carriages (MS, Mobile Station) are worked on identical Radio Resource.Each MS takies a subchannel, and subchannel is distinguished through the training sequence of quadrature or nearly orthogonal.In the time of for legacy circuit-switched (CS, Circuit Switched) voice service, each time slot is given a user and is used, and GMSK (GMSK, Gaussian minimum shift keying) modulation system is all used in up-downgoing; During multiuser time slot multiplexing; When descending, the base station is sent two-way GMSK signal and is produced QPSK (QPSK, Quadrature phasemodulation) signal; Receiving terminal (such as MS) is through 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; When up; Two multiplexing MS still use GMSK to be modulated at same time slot and send; The multiplexing signal of mode demodulation two-way of Successive Interference Cancellation (SIC, Successive Interference Cancellation) or joint test (JD, Joint Detection) is used in the base station; And pass through different training sequence codes (TSC, Training Sequence Code) and distinguish two users.
At present, in 26 multi-frames, 0-11 frame and 13-24 frame totally 24 frames are Traffic Channel (TCH, Traffic Channel) frame, and 12 frames are used for passing slow associated control channel (SACCH, Slow AssociationControl Channel) frame, and 25 frames are empty (IDLE) frame.4 SACCH frames are formed a SACCH piece.When channel transmitted was half-rate channel, a user used 12 frames to be used for transmitting channel associated signalling, and another user uses originally 25 frames as the IDLE frame to pass channel associated signalling; Can guarantee two transmission that the user is correct like this; But, on half rate, carry out again MUROS multiplexing after, existing method can not satisfy 4 users repeatedly using same time slots simultaneously; That is to say; Can be multiplexing in 24 multi-frames for four user's voice parts, 4 users' channel associated signalling can not be multiplexing in 12 frames and 25 frames (i.e. two SACCH frames), promptly can only pass two users' channel associated signalling.
In realizing process of the present invention; The inventor finds; Though introduced MUROS in the prior art, as multiplexing 2 users on a half-rate channel, when promptly being equivalent on a full speed channel multiplexing four users; Four users' channel associated signalling can't be transmitted in the position of descending two SACCH frames, the SACCH frame that promptly position of two SACCH frames can not four users of correct transmission.
Summary of the invention
The embodiment of the invention provides a kind of transmission method, system and equipment of downlink associated control channel frames, to guarantee when the same time slot in the multiplexing multi-frame at half-rate channel of a plurality of users the correct transmission of each user's descending slow associated control channel frame.
For solving the problems of the technologies described above, the present invention is the transmission method that embodiment provides a kind of downlink associated control channel frames, and this method comprises:
With the multiplexing same time slot in the multi-frame of half-rate channel of a plurality of users' slow associated control channel frame;
Said per four slow associated control channel frames are formed a slow associated control channel piece; The slow associated control channel piece that has at least a user's slow associated control channel frame to form among said a plurality of user includes public information and this user's peculiar information, and the slow associated control channel piece that all the other each users' among said a plurality of users slow associated control channel frame is formed includes this user's peculiar information;
Send said multiplexing slow associated control channel frame.
The embodiment of the invention also provides a kind of transmission method of downlink associated control channel frames, and this method comprises:
Receive multiplexing slow associated control channel frame; Said multiplexing slow associated control channel frame is with the multiplexing same time slot gained in the multi-frame of half-rate channel of a plurality of users' slow associated control channel frame; Said per four slow associated control channel frames are formed a slow associated control channel piece; The slow associated control channel piece that has at least a user's slow associated control channel frame to form among said a plurality of user includes public information and this user's peculiar information, and the slow associated control channel piece that all the other each users' among said a plurality of users slow associated control channel frame is formed includes this user's peculiar information;
From said multiplexing slow associated control channel frame, demodulate each user's slow associated control channel frame.
The embodiment of the invention also provides a kind of transmission equipment of downlink associated control channel frames, comprising:
Multiplexing Unit; Be used for same time slot with the multiplexing multi-frame at half-rate channel of a plurality of users' slow associated control channel frame; Said per four slow associated control channel frames are formed a slow associated control channel piece; The slow associated control channel piece that has at least a user's slow associated control channel frame to form among said a plurality of user includes public information and this user's peculiar information, and the slow associated control channel piece that all the other each users' among said a plurality of users slow associated control channel frame is formed includes this user's peculiar information;
Transmitting element is used to send the multiplexing slow associated control channel frame of said Multiplexing Unit.
The embodiment of the invention provides a kind of terminal again, comprising:
Receiving element; Be used to receive the multiplexing slow associated control channel frame that network side sends; Said multiplexing slow associated control channel frame is with the multiplexing same time slot gained in the multi-frame of half-rate channel of a plurality of users' slow associated control channel frame; Said per four slow associated control channel frames are formed a slow associated control channel piece; The slow associated control channel piece that has at least a user's slow associated control channel frame to form among said a plurality of user includes public information and this user's peculiar information, and the slow associated control channel piece that all the other each users' among said a plurality of users slow associated control channel frame is formed includes this user's peculiar information;
Demodulating unit is used for demodulating from the said multiplexing slow associated control channel frame that said receiving element receives each user's slow associated control channel frame.
The embodiment of the invention provides a kind of transmission system of downlink associated control channel frames again, comprises base station and terminal, and said base station comprises:
Multiplexing Unit; Be used for same time slot with the multiplexing multi-frame at half-rate channel of a plurality of users' slow associated control channel frame; Said per four slow associated control channel frames are formed a slow associated control channel piece; The slow associated control channel piece that has at least a user's slow associated control channel frame to form among said a plurality of user includes public information and this user's peculiar information, and the slow associated control channel piece that all the other each users' among said a plurality of users slow associated control channel frame is formed includes this user's peculiar information;
Transmitting element is used to send the multiplexing slow associated control channel frame of said Multiplexing Unit;
Said terminal comprises: receiving element; Be used to receive the multiplexing slow associated control channel frame that send the base station; Said multiplexing slow associated control channel frame is with the multiplexing same time slot gained in the multi-frame of half-rate channel of a plurality of users' slow associated control channel frame; Said per four slow associated control channel frames are formed a slow associated control channel piece; The slow associated control channel piece that has at least a user's slow associated control channel frame to form among said a plurality of user includes public information and this user's peculiar information, and the slow associated control channel piece that all the other each users' among said a plurality of users slow associated control channel frame is formed includes this user's peculiar information;
Demodulating unit is used for demodulating from the said multiplexing slow associated control channel frame that said receiving element receives each user's slow associated control channel frame.
Can know by technique scheme; The embodiment of the invention is passed through the multiplexing same time slot in the multi-frame of half-rate channel of a plurality of users' slow associated control channel frame; Make a plurality of users can realize carrying out the multiplexing transmission of slow associated control channel frame; Thereby solved when the same time slot in the multi-frame of the multiplexing half-rate channel of a plurality of users; Can't guarantee the problem of the correct transmission of the descending slow associated control channel frame of these a plurality of users, when making the descending slow associated control channel frame of each user correct transmission, not influence the transmission of speech frame again.
Description of drawings
Fig. 1 is the flow chart one of a kind of transmission method of downlink associated control channel frames in the embodiment of the invention;
Fig. 2 is the flowchart 2 of a kind of transmission method of downlink associated control channel frames in the embodiment of the invention;
Fig. 3 is the sketch map one of frame structure on the descending half-rate channel in the embodiment of the invention;
Fig. 4 is the sketch map two of frame structure on the descending half-rate channel in the embodiment of the invention;
Fig. 5 is the sketch map three of frame structure on the descending half-rate channel in the embodiment of the invention;
Fig. 6 is the sketch map four of frame structure on the descending half-rate channel in the embodiment of the invention;
Fig. 7 is the flow chart of the transmission method of another kind of downlink associated control channel frames in the embodiment of the invention;
Fig. 8 is the structural representation of the transmission equipment of downlink associated control channel frames in the embodiment of the invention;
Fig. 9 is the structural representation at terminal in the embodiment of the invention;
Figure 10 is the structural representation of the transmission system of downlink associated control channel frames in the embodiment of the invention.
Embodiment
Below we will combine accompanying drawing, the technical scheme of the embodiment of the invention is described in detail.
See also Fig. 1, be the flow chart one of the transmission method of downlink associated control channel frames in the embodiment of the invention, as shown in the figure, this method comprises:
Step 101: with the multiplexing same time slot in the multi-frame of half-rate channel of a plurality of users' slow associated control channel frame; Said per four slow associated control channel frames are formed a slow associated control channel piece; The slow associated control channel piece that has at least a user's slow associated control channel frame to form among said a plurality of user includes public information and this user's peculiar information, and the slow associated control channel piece that all the other each users' among said a plurality of users slow associated control channel frame is formed includes this user's peculiar information;
Optional, the transmitting power of slow associated control channel frame of slow associated control channel piece that said composition includes public information and user's peculiar information can include the transmitting power of slow associated control channel frame of slow associated control channel piece of user's peculiar information greater than said composition.
Step 102: send said multiplexing slow associated control channel frame.
Wherein, said user's peculiar information can comprise: Timing Advance information and power controlling grade information, but user's peculiar information is not limited to Timing Advance information and power controlling grade information.
Optional, said method can also comprise: the terminal receives said multiplexing slow associated control channel frame, from said multiplexing slow associated control channel frame, demodulates each user's slow associated control channel frame.
If the slow associated control channel piece that the user's that demodulates slow associated control channel frame is formed includes public information and this user's peculiar information, then according to said public information and this user's peculiar information obtain to this user with road control signaling;
If the slow associated control channel piece that the user's who demodulates slow associated control channel frame is formed includes this user's peculiar information; Public information that the slow associated control channel piece of then forming according to other user's of demodulating slow associated control channel frame includes and said this user's peculiar information, obtain to this user with road control signaling.
Understanding for the ease of those skilled in the art; Below with the multiplexing same time slot in the multi-frame of half-rate channel of two users' slow associated control channel frame; Promptly four users are multiplexing is the technical scheme that example is described the embodiment of the invention at two half-rate channels; As for the scheme of a plurality of users' the multiplexing same time slot in the multi-frame of half-rate channel of slow associated control channel frame, the scheme multiplexing with two users is similar.
See also Fig. 2, be the flowchart 2 of the transmission method of downlink associated control channel frames in the embodiment of the invention; Present embodiment with two users multiplexing in half-rate channel the same time slot of multi-frame be that example is described, said method comprises:
Step 201: with the first and second two users' the multiplexing same time slot in the multi-frame of half-rate channel of slow associated control channel frame; Said per four slow associated control channel frames are formed a slow associated control channel piece; The slow associated control channel piece that said first user's slow associated control channel frame is formed includes public information and this user's peculiar information, and the slow associated control channel piece that said second user's slow associated control channel frame is formed includes this user's peculiar information;
Step 202: send said slow associated control channel frame after multiplexing.
Wherein, said slow associated control channel frame after multiplexing comprises: first user's slow associated control channel frame and second user's slow associated control channel frame.Said peculiar information comprises: Timing Advance and power controlling grade, but be not limited to this.
Preferably, said method can also comprise:
First user demodulates first user's slow associated control channel frame from receive said slow associated control channel frame after multiplexing; The slow associated control channel piece of forming from first user's that demodulates slow associated control channel frame obtains the public information and first user's peculiar information, according to said public information and this user's peculiar information obtain to this user with road control signaling;
Second user demodulates second user's slow associated control channel frame from receive said slow associated control channel frame after multiplexing; The slow associated control channel piece of forming from second user's that demodulates slow associated control channel frame obtains second user's peculiar information; Public information of obtaining according to the slow associated control channel piece of forming from first user's that demodulates slow associated control channel frame and second user's who obtains peculiar information, obtain to this second user with road control signaling.
If the multiplexing half-rate channel of above-mentioned first user and second user, and multiplexing another half-rate channel in the 3rd user and four-function family, then said method also comprises:
With the multiplexing same time slot in the multi-frame of second half rate channel of the slow associated control channel frame at the 3rd user and four-function family; Said per four slow associated control channel frames are formed a slow associated control channel piece; The slow associated control channel piece that said the 3rd user's slow associated control channel frame is formed includes public information and this user's peculiar information, and the slow associated control channel piece that the slow associated control channel frame at said four-function family is formed includes this user's peculiar information;
Send said slow associated control channel frame after multiplexing.
Wherein, said slow associated control channel frame after multiplexing comprises: the 3rd user's the slow associated control channel frame and the slow associated control channel frame at four-function family; Said peculiar information comprises: this user's Timing Advance information and power controlling grade information, but be not limited to this.
Preferably, said method can also comprise:
The 3rd user demodulates the 3rd user's slow associated control channel frame from receiving said multiplexing slow associated control channel frame; The slow associated control channel piece of forming from the 3rd user's that demodulates slow associated control channel frame obtains public information and the 3rd user's peculiar information, according to said public information and this user's peculiar information obtain to this user with road control signaling;
The four-function family demodulates the slow associated control channel frame at four-function family from receiving said multiplexing slow associated control channel frame; The slow associated control channel piece of forming from the slow associated control channel frame at the four-function family that demodulates obtains the peculiar information at four-function family; The peculiar information at public information of obtaining according to the slow associated control channel piece of forming from the 3rd user's that demodulates slow associated control channel frame and the four-function family that obtains, obtain to this four-function family with road control signaling.
Hence one can see that; The embodiment of the invention is through the slow associated control channel (SACCH with a plurality of users; Slow Association Control Channel) the multiplexing scheme in the same time slot of half-rate channel of frame solves multiplexing a plurality of (such as at least 2) user's on a half-rate channel problem; Be about on the same time slot of the multiplexing multi-frame at half-rate channel of a plurality of users' SACCH frame; Being equivalent on the full speed channel can multiplexing a plurality of (such as at least four) user, thereby has solved the position of in one 26 multi-frame, using 2 SACCH frames, the problem of correct transmission a plurality of (at least four) user's descending SACCH frame.Utilize the technical scheme of the embodiment of the invention can the same time slot of the multiplexing multi-frame at half-rate channel of a plurality of users in the channel associated signalling normal transmission that guarantees each user, not influenced the transmission of voice again.
For the ease of those skilled in the art's understanding,, introduce the technical scheme of the embodiment of the invention in detail below in conjunction with the description of the foregoing description:
Normal burst pulse train (NB; Normal Burst) is used to carry Traffic Channel and remove RACH (RACH; Random Access Channel) information on the control channel (such as DCCH) outside; Main transporting speech of said Traffic Channel (TCH, Traffic Channel) and data are also transmitted a spot of channel associated signalling simultaneously; Said Traffic Channel is divided into traffic channel full rate and half rate, and the used time slot of half rate is the half the of the used time slot of traffic channel full rate.
Each time division multiple access (TDMA; Time Division Multiple Access) frame comprises 8 basic time slots; Each time slot is exactly a basic physical channel, and each time slot comprises 156.25 code elements, for above-mentioned normal burst pulse train, is exactly 156.25 bits.A plurality of tdma frames constitute multi-frames, when some different logical channel multiplexings to physical channel, need use this multi-frame.Be 120ms the multiframe period that wherein contains 26 frames, is used for Traffic Channel and associated control channel thereof.Wherein 24 burst sequences are used for business, and 2 burst sequences are used for signaling.
For full speed channel, in 26 multi-frames, 0-11 frame and 13-24 frame totally 24 frames are the TCH frame; 12 frames are the SACCH frame, wherein, and the SACCH frame; Some that are used for transmitting the communication process user are signaling at a slow speed, and like information such as Timing Advance, power controls, 25 frames are the IDLE frame.
For half-rate channel, in 26 multi-frames, 0-11 frame and 13-24 frame totally 24 frames are Traffic Channel TCH frame, and 12 frames are the SACCH frame, and 25 frames are the SACCH frame, and two SACCH frames use for respectively two users, promptly transmit two users' channel associated signalling.
For descending SACCH frame; Four descending SACCH frames constitute a complete SACCH piece; The SACCH piece can comprise following information: part system message and ground floor header messages; These message can comprise: lane place identification code (LAI, LocationArea Identity), cell ID (CELLID), sub-district option, Timing Advance (TA, Timing Advance) and power controlling grade etc.For different users; The information that the SACCH piece comprises can be divided into again: the distinctive part of part that different user is identical and different user, and public information and user's peculiar information, and wherein the distinctive part of different user comprises: TA (such as 8bit) and power controlling grade information (such as 6bit); Other part is all identical for different user; Therefore, the content of SACCH piece can comprise public information and user's peculiar information, and peculiar information can comprise: power controlling grade and TA information; But peculiar information is not limited to this, and is specifically as shown in table 1:
Table 1
| Power control TA grade | Common sparing (system message etc.) |
In embodiments of the present invention, suppose that user multiplexing on a half-rate channel is MS1, MS2, multiplexing user is MS3, MS4 on another half-rate channel, four users is promptly arranged multiplexing on a full speed channel.
For MS1, the base station still issues the SACCH frame that belongs to MS1 according to existing method, and what suppose use is the frame 12 in 26 multi-frames.Promptly transmit the SACCH frame of MS1 with frame 12, shown in the A among Fig. 3, frame 0 to frame 11 is used for transmitting the voice-and-data of MS1, and is specifically as shown in Figure 3.
For MS2; The base station should be sent according to mode as shown in Figure 4; As shown in Figure 4: the base station issues the SACCH frame of MS2 in frame 12, promptly shown in the New A among Fig. 4, and carries out multiplexing at frame 12 the SACCH frame of MS2 and the SACCH frame of MS1; Need to prove that said multiplexing slow associated control channel frame comprises: the SACCH frame of MS1 and the SACCH frame of MS2; Send multiplexing slow associated control channel frame then, promptly send the SACCH frame of MS1 and the SACCH frame of MS2 simultaneously.In embodiments of the present invention; The peculiar information that comprises this MS2 in the SACCH frame of this MS2 comprises the peculiar information of MS2 in the SACCH piece that promptly the SACCH frame of four MS2 is formed, for example belong to the useful information of this user's 14 bits; Certainly, the peculiar information of MS2 is not defined as 14 bits yet.This moment four SACCH frames; Promptly the data division of a SACCH piece has 4 * 114=456 bit; This 14 bits of encoded in 456 bits, can be obtained very big coding gain, optional; The base station can be used with the SACCH frame of launching MS1 and compared the SACCH frame that less transmitting power is launched MS2 this moment, just can guarantee the correct also demodulation SACCH frame that receives of MS2.Optional; For MS2, because multiplexing with MS1, so the SACCH frame of the MS1 that issues of base station also can receive; MS2 decodes to this SACCH frame; The SACCH piece of forming from the SACCH frame of the MS1 that demodulates obtains wherein public information part (such as system message etc.), the peculiar information of the MS2 that then can obtain according to public information part and the SACCH piece of forming from the SACCH frame of the MS2 that demodulates, obtain to MS2 with road control signaling.
This moment is for MS1, and is therefore also less to the interference of the SACCH frame of MS1 because the base station issues the SACCH frame that belongs to MS2 at frame 12 and only need use less transmitting power, so MS1 also can the one's own SACCH frame of right demodulation.
In like manner, the multiplex process of two half rate users multiplexing MS3 and the frame 25 of MS4 in 26 multi-frames and the multiplex process of MS1 and MS2 are similar, specifically can for:
For MS3, the base station still issues the SACCH frame that belongs to MS3 according to existing method, and what suppose use is the frame 25 in 26 multi-frames.Promptly transmit the SACCH frame of MS3 with frame 25, shown in the A among Fig. 5, frame 12 to frame 24 is used for transmitting the voice-and-data of MS3, and is specifically as shown in Figure 5.
For MS4, the base station should be sent according to mode as shown in Figure 6, and is as shown in Figure 6: the base station issues the SACCH frame of MS4 in frame 25, promptly shown in the New A among Fig. 6, carries out multiplexing with the SACCH frame of MS3 at frame 25.Need to prove that said multiplexing slow associated control channel frame comprises: the SACCH frame of MS3 and the SACCH frame of MS4; Send multiplexing slow associated control channel frame then; Promptly send the SACCH frame of MS3 and the SACCH frame of MS4 simultaneously, in embodiments of the present invention, comprise this user's peculiar information in the SACCH frame of this MS4; The peculiar information that comprises MS4 in the SACCH piece that promptly the SACCH frame of four MS4 is formed; The useful information that for example belongs to this user's 14 bits, certainly, the peculiar information of MS4 is not defined as 14 bits yet.That is to say; This moment four SACCH frames, promptly the data division of a SACCH piece has 4 * 114=456 bit, with this 14 bits of encoded in 456 bits; Can obtain very big coding gain; Optional, the base station can be used with the SACCH frame of launching MS3 and compared the SACCH frame that less transmitting power is launched MS4 this moment, just can guarantee the correct also demodulation SACCH frame that receives of MS4.Optional; For MS4, because multiplexing with MS3, so the SACCH frame of the MS3 that issues of base station also can receive; MS4 decodes to this SACCH frame; The SACCH piece of forming from the SACCH frame of the MS3 that demodulates obtains wherein public information part (such as system message etc.), the peculiar information of the MS4 that then can obtain according to public information part and the SACCH piece of forming from the SACCH frame of the MS4 that demodulates, obtain to MS4 with road control signaling.
This moment is for MS3 because the base station issues the SACCH frame that belongs to MS3 at frame 25 and only need use less transmitting power, therefore to MS3 the interference of SACCH frame also less, so MS3 also can the one's own SACCH frame of right demodulation.
Can know by technique scheme; The embodiment of the invention has proposed to belong to the technical scheme of transmission of the descending SACCH frame in MUROS terminal; Make two users can carry out the multiplexing transmission of SACCH frame at the same time slot of half-rate channel; Thereby solved when multiplexing two half-rate channels of a plurality of (such as four) user, can't guarantee the problem of the correct transmission of the descending SACCH frame of a plurality of users, utilized the technical scheme of the embodiment of the invention; When can guarantee SACCH frame correct transmission, do not influence the transmission of speech frame again.
The embodiment of the invention also provides a kind of transmission method of downlink associated control channel frames, and its flow chart is as shown in Figure 7, and this method comprises:
Step 701: the terminal receives network side and sends multiplexing slow associated control channel frame; Said multiplexing slow associated control channel frame is with the multiplexing same time slot gained in the multi-frame of half-rate channel of a plurality of users' slow associated control channel frame; Said per four slow associated control channel frames are formed a slow associated control channel piece; The slow associated control channel piece that has at least a user's slow associated control channel frame to form among said a plurality of user includes public information and this user's peculiar information, and the slow associated control channel piece that all the other each users' among said a plurality of users slow associated control channel frame is formed includes this user's peculiar information;
Step 702: the terminal demodulates each user's slow associated control channel frame from said multiplexing slow associated control channel frame.
Said method can also comprise:
If the slow associated control channel piece that the user's who demodulates in the step 702 slow associated control channel frame is formed includes public information and this user's peculiar information, then according to said public information and this user's peculiar information obtain to this user with road control signaling;
If the slow associated control channel piece that the user's who demodulates in the step 702 slow associated control channel frame is formed includes this user's peculiar information; Public information that the slow associated control channel piece of then forming according to other user's of demodulating slow associated control channel frame includes and said this user's peculiar information, obtain to this user with road control signaling.
Preferably, said a plurality of users multiplexing comprises that two users' is multiplexing.
The implementation procedure of the corresponding step among this method embodiment among the implementation procedure of each step and the preceding method embodiment is basic identical, repeats no more at this.
Accordingly; The embodiment of the invention also provides a kind of transmission equipment of downlink associated control channel frames; Its structural representation sees Fig. 8 for details; Said equipment comprises: Multiplexing Unit 81 and transmitting element 82, wherein, said Multiplexing Unit 81; Be used for same time slot with the multiplexing multi-frame at half-rate channel of a plurality of users' slow associated control channel frame; Said per four slow associated control channel frames are formed a slow associated control channel piece, and the slow associated control channel piece that has at least a user's slow associated control channel frame to form among said a plurality of users includes public information and this user's peculiar information, and the slow associated control channel piece that all the other each users' among said a plurality of users slow associated control channel frame is formed includes this user's peculiar information; Said transmitting element 82 is used to send said multiplexing slow associated control channel frame.
Preferably, the transmission equipment of said downlink associated control channel frames can be integrated in the base station or independently and exist in the network.
Need to prove that it is similar basically to utilize the transmission equipment of said downlink associated control channel frames to send the description of process and preceding method embodiment of multiplexing slow associated control channel frame, repeats no more at this.
The embodiment of the invention also provides a kind of terminal; Its structural representation is as shown in Figure 9; Said terminal comprises: receiving element 91 and demodulating unit 92; Wherein, Said receiving element 91; Be used to receive the multiplexing slow associated control channel frame that network side sends, said multiplexing slow associated control channel frame is with the multiplexing same time slot gained in the multi-frame of half-rate channel of a plurality of users' slow associated control channel frame, and said per four slow associated control channel frames are formed a slow associated control channel piece; The slow associated control channel piece that has at least a user's slow associated control channel frame to form among said a plurality of user includes public information and this user's peculiar information, and the slow associated control channel piece that all the other each users' among said a plurality of users slow associated control channel frame is formed includes this user's peculiar information; Said demodulating unit 92 is used for demodulating from the multiplexing slow associated control channel frame that receiving element 91 receives each user's slow associated control channel frame.
Optional, said terminal can also comprise:
Acquiring unit; When the slow associated control channel piece that the user's who is used for demodulating at said demodulating unit slow associated control channel frame is formed includes public information and this user's peculiar information, according to said public information and this user's peculiar information obtain to this user with road control signaling; The slow associated control channel piece that the user's who perhaps is used for demodulating at said demodulating unit slow associated control channel frame is formed includes this user's peculiar information; Public information that the slow associated control channel piece of then forming according to other user's of demodulating slow associated control channel frame includes and said this user's peculiar information, obtain to this user with road control signaling.
Need to prove, utilize the description of process and preceding method embodiment of the multiplexing slow associated control channel frame that said terminal receiving demodulation network side sends similar basically, repeat no more at this.
Accordingly, the embodiment of the invention also provides a kind of transmission system of downlink associated control channel frames, and its structural representation such as Figure 10 are said, and said system comprises base station 10 and terminal 11,
Said base station 10 comprises:
Multiplexing Unit 81; Be used for same time slot with the multiplexing multi-frame at half-rate channel of a plurality of users' slow associated control channel frame; Said per four slow associated control channel frames are formed a slow associated control channel piece; The slow associated control channel piece that has at least a user's slow associated control channel frame to form among said a plurality of user includes public information and this user's peculiar information, and the slow associated control channel piece that all the other each users' among said a plurality of users slow associated control channel frame is formed includes this user's peculiar information;
Transmitting element 82 is used to send the multiplexing slow associated control channel frame of said Multiplexing Unit 81 to the terminal 11;
Said terminal 11 comprises:
Receiving element 91; Be used to receive the multiplexing slow associated control channel frame that said base station transmitting element 82 sends; Said multiplexing slow associated control channel frame is with the multiplexing same time slot gained in the multi-frame of half-rate channel of a plurality of users' slow associated control channel frame; Said per four slow associated control channel frames are formed a slow associated control channel piece; The slow associated control channel piece that has at least a user's slow associated control channel frame to form among said a plurality of user includes public information and this user's peculiar information, and the slow associated control channel piece that all the other each users' among said a plurality of users slow associated control channel frame is formed includes this user's peculiar information;
Need to prove that it is similar basically to utilize said system to carry out the description of detailed process and preceding method embodiment of transmission of descending slow associated control channel frame, repeats no more at this.
Can know by the foregoing description; The embodiment of the invention has proposed the transmission plan of the descending SACCH frame of MUROS; Make a plurality of users can carry out the multiplexing transmission of SACCH frame, thereby solved when the multiplexing half-rate channel of a plurality of users (multiplexing at two half-rate channels), can't guarantee the problem of the descending SACCH frame of a plurality of users correct transmission such as four users at the same time slot of the multi-frame of half-rate channel; Utilize the technical scheme of the embodiment of the invention; When the same time slot of the multiplexing half-rate channel of a plurality of users, when both can guarantee the descending SACCH frame of each user correct transmission, do not influence the transmission of speech frame again.
The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (14)
1. the transmission method of a downlink associated control channel frames is characterized in that, said method comprises:
With the multiplexing same time slot in the multi-frame of half-rate channel of a plurality of users' slow associated control channel frame;
Per four slow associated control channel frames are formed a slow associated control channel piece; The slow associated control channel piece that has at least a user's slow associated control channel frame to form among said a plurality of user includes public information and this user's peculiar information, and the slow associated control channel piece that all the other each users' among said a plurality of users slow associated control channel frame is formed includes this user's peculiar information;
Send said multiplexing slow associated control channel frame.
2. the method for claim 1 is characterized in that, said user's peculiar information comprises: Timing Advance information and power controlling grade information.
3. the method for claim 1 is characterized in that, said method also comprises:
Receive said multiplexing slow associated control channel frame, from said multiplexing slow associated control channel frame, demodulate each user's slow associated control channel frame.
4. method as claimed in claim 3 is characterized in that, said method also comprises:
If the slow associated control channel piece that the user's that demodulates slow associated control channel frame is formed includes public information and this user's peculiar information, then according to said public information and this user's peculiar information obtain to this user with road control signaling;
If the slow associated control channel piece that the user's who demodulates slow associated control channel frame is formed includes this user's peculiar information; Public information that the slow associated control channel piece of then forming according to other user's of demodulating slow associated control channel frame includes and said this user's peculiar information, obtain to this user with road control signaling.
5. the method for claim 1; It is characterized in that the transmitting power of slow associated control channel frame of slow associated control channel piece that said composition includes public information and user's peculiar information includes the transmitting power of slow associated control channel frame of slow associated control channel piece of user's peculiar information greater than said composition.
6. like each described method in the claim 1 to 5, it is characterized in that said a plurality of users comprise two users.
7. the transmission method of a downlink associated control channel frames is characterized in that, said method comprises:
Receive multiplexing slow associated control channel frame; Said multiplexing slow associated control channel frame is with the multiplexing same time slot gained in the multi-frame of half-rate channel of a plurality of users' slow associated control channel frame; Per four slow associated control channel frames are formed a slow associated control channel piece; The slow associated control channel piece that has at least a user's slow associated control channel frame to form among said a plurality of user includes public information and this user's peculiar information, and the slow associated control channel piece that all the other each users' among said a plurality of users slow associated control channel frame is formed includes this user's peculiar information;
From said multiplexing slow associated control channel frame, demodulate each user's slow associated control channel frame.
8. method as claimed in claim 7 is characterized in that, said method also comprises:
If the slow associated control channel piece that the user's that demodulates slow associated control channel frame is formed includes public information and this user's peculiar information, then according to said public information and this user's peculiar information obtain to this user with road control signaling;
If the slow associated control channel piece that the user's who demodulates slow associated control channel frame is formed includes this user's peculiar information; Public information that the slow associated control channel piece of then forming according to other user's of demodulating slow associated control channel frame includes and said this user's peculiar information, obtain to this user with road control signaling.
9. like claim 7 or 8 described methods, it is characterized in that said a plurality of users comprise two users.
10. the transmission equipment of a downlink associated control channel frames is characterized in that, comprising:
Multiplexing Unit; Be used for same time slot with the multiplexing multi-frame at half-rate channel of a plurality of users' slow associated control channel frame; Per four slow associated control channel frames are formed a slow associated control channel piece; The slow associated control channel piece that has at least a user's slow associated control channel frame to form among said a plurality of user includes public information and this user's peculiar information, and the slow associated control channel piece that all the other each users' among said a plurality of users slow associated control channel frame is formed includes this user's peculiar information;
Transmitting element is used to send the multiplexing slow associated control channel frame of said Multiplexing Unit.
11. equipment as claimed in claim 10 is characterized in that, the transmission equipment of said downlink associated control channel frames is integrated in the base station or independently and exists in the network.
12. a terminal is characterized in that, comprising:
Receiving element; Be used to receive the multiplexing slow associated control channel frame that network side sends; Said multiplexing slow associated control channel frame is with the multiplexing same time slot gained in the multi-frame of half-rate channel of a plurality of users' slow associated control channel frame; Per four slow associated control channel frames are formed a slow associated control channel piece; The slow associated control channel piece that has at least a user's slow associated control channel frame to form among said a plurality of user includes public information and this user's peculiar information, and the slow associated control channel piece that all the other each users' among said a plurality of users slow associated control channel frame is formed includes this user's peculiar information;
Demodulating unit is used for demodulating from the multiplexing slow associated control channel frame that said receiving element receives each user's slow associated control channel frame.
13. terminal as claimed in claim 12 is characterized in that, also comprises:
Acquiring unit; When the slow associated control channel piece that the user's who is used for demodulating at said demodulating unit slow associated control channel frame is formed includes public information and this user's peculiar information, according to said public information and this user's peculiar information obtain to this user with road control signaling; The slow associated control channel piece that the user's who perhaps is used for demodulating at said demodulating unit slow associated control channel frame is formed includes this user's peculiar information; Public information that the slow associated control channel piece of then forming according to other user's of demodulating slow associated control channel frame includes and said this user's peculiar information, obtain to this user with road control signaling.
14. the transmission system of a downlink associated control channel frames comprises base station and terminal, it is characterized in that,
Said base station comprises the transmission equipment of downlink associated control channel frames as claimed in claim 10;
Said terminal is like each described terminal in the claim 12 to 13.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810131263A CN101645751B (en) | 2008-08-05 | 2008-08-05 | Method, system and device for transmitting downlink associated control channel frames |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810131263A CN101645751B (en) | 2008-08-05 | 2008-08-05 | Method, system and device for transmitting downlink associated control channel frames |
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| CN101645751A CN101645751A (en) | 2010-02-10 |
| CN101645751B true CN101645751B (en) | 2012-10-03 |
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| CN200810131263A Expired - Fee Related CN101645751B (en) | 2008-08-05 | 2008-08-05 | Method, system and device for transmitting downlink associated control channel frames |
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| CN105471544B (en) * | 2014-08-08 | 2020-03-31 | 中兴通讯股份有限公司 | Channel quality/state indication information processing method, device, terminal and base station |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1363157A (en) * | 2000-02-18 | 2002-08-07 | 诺基亚网络有限公司 | Communication system |
| CN1642058A (en) * | 2004-01-18 | 2005-07-20 | 方正通信技术有限公司 | Wireless link multiplexing method for time-division duplex CDMA mobile communication system |
| US7006477B1 (en) * | 1999-12-10 | 2006-02-28 | Lucent Technologies Inc. | Method for interleaving of half rate channels suitable for half duplex operation and statistical multiplexing |
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2008
- 2008-08-05 CN CN200810131263A patent/CN101645751B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7006477B1 (en) * | 1999-12-10 | 2006-02-28 | Lucent Technologies Inc. | Method for interleaving of half rate channels suitable for half duplex operation and statistical multiplexing |
| CN1363157A (en) * | 2000-02-18 | 2002-08-07 | 诺基亚网络有限公司 | Communication system |
| CN1642058A (en) * | 2004-01-18 | 2005-07-20 | 方正通信技术有限公司 | Wireless link multiplexing method for time-division duplex CDMA mobile communication system |
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| CN101645751A (en) | 2010-02-10 |
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