CN100418387C - A terminal receiving HSDPA shared control information method - Google Patents
A terminal receiving HSDPA shared control information method Download PDFInfo
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- CN100418387C CN100418387C CNB2006100576011A CN200610057601A CN100418387C CN 100418387 C CN100418387 C CN 100418387C CN B2006100576011 A CNB2006100576011 A CN B2006100576011A CN 200610057601 A CN200610057601 A CN 200610057601A CN 100418387 C CN100418387 C CN 100418387C
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The present invention discloses a terminal receiving HSDPA shared control information method. In the method, bit information which continuously receives the quantity of HS-SCCH information whose terminal is at the back of a current time plate is added to the HS-SCCH information sent by a network side. The method comprises the steps that current matched corresponding terminals are selected by a plurality of terminals according to terminal identification information in the received HS-SCCH information; the matched corresponding terminals are used for continuously receiving the corresponding quantity of HS-SCCH information according to the bit information in the HS-SCCH information, and the rest terminals stop receiving the corresponding quantity of HS-SCCH information according to the bit information in the HS-SCCH information. The non-continuous receiving HSDPA shared control information of a terminal is realized, the power consumption of the terminal is reduced, and the mobility of the terminal is enhanced through increasing bit information in the HS-SCCH information sent by the network side.
Description
Technical field
The present invention relates to a kind of control method of mobile communication system, relate in particular to the method that terminal receiving HSDPA in a kind of mobile communication system (high speed downlink packet access) is shared control information.
Background technology
The development of mobile communication technology, bring great convenience for people's life, people also develop into data service by initial speech business to the demand of mobile communication, HSDPA is a kind of enhancement techniques that 3GPP (3G (Third Generation) Moblie affiliate tissue) introduces, this technology has improved the efficient and the message transmission rate of wireless network greatly, significantly reduced the transmission cost of propagation delay time and every bit, higher network availability is provided.
HSDPA comprises three types physical channel, be HS-PDSCH (high speed descending sharing channel), HS-SCCH (DSCH Downlink Shared Channel), HS-SICH (up channel), wherein HS-PDSCH is used for the transmission terminal business information, HS-SCCH is used to transmit the control information of HS-PDSCH, HS-SICH is used to confirm the reception of terminal data on the HS-PDSCH channel and indicates the HS-PDSCH channel quality to network side, a plurality of portable terminals are shared HS-PDSCH and HS-SCCH, and it is the information of HS-SCCH Channel Transmission that HSDPA shares control information.
Shown in Figure of description 1, T1, T2, T3 share a HS-SCCH channel, and on this shared channel, each time network-on-chip side can only send and belong to a terminal information.
The control information of HS-SCCH carrying HS-PDSCH, this control information comprises: the transformat of terminal iidentification, corresponding HS-PDSCH physical channel and resource indication, modulation and coded system indication, the indication of HARQ (mixing automatic repeat requests) information.Network side sends terminal data on the HS-PDSCH channel before, on the HS-SCCH channel, send control information earlier, after terminal receives this control information, whether the information that can know this HS-SCCH channel according to the terminal iidentification that wherein comprises sends to this terminal, afterwards terminal can be judged the information that whether receives the HS-PDSCH Channel Transmission, if the terminal iidentification that comprises in the information of HS-SCCH channel and this terminal do not match, then abandon this information, continue the information of the HS-SCCH of the next timeslice of supervision; If the terminal iidentification that wherein comprises and this terminal coupling, then according to the resource indication of carrying among the HS-SCCH, terminal can be determined the particular location and the coded system of HS-PDSCH channel subsequently.
Shown in Figure of description 2, receive the schematic diagram of HS-SCCH information continuously for terminal T1, T2, T3, as can be seen from Figure, because T1, T2, T3 terminal can't determine whether to one's name HS-SCCH information that network side sends in next timeslice, so each terminal must receive HS-SCCH information continuously, even HS-SCCH does not comprise corresponding to some terminal information in the quite a long time, these terminals are still wanted continuous monitoring HS-SCCH channel, otherwise terminal just may be missed the information that network sends.
Terminal adopts the method that receives HS-SCCH continuously, and terminal power consumption is increased, and has influenced the call performance of terminal, and along with terminal is shared the increase of the quantity of HS-SCCH, this power consumption is more obvious; On the other hand,, also can influence the measurement of terminal to neighbor cell because terminal takes to receive continuously the method for HS-SCCH, thus the mobility of remote-effects terminal.
Summary of the invention
The present invention is directed to the shortcoming of prior art, a kind of method of terminal receiving HSDPA shared control information is provided, can realize that the discontinuous reception of terminal HSDPA shares control information, thereby reduce the power consumption of terminal, improve the mobility of terminal.
The method of terminal receiving HSDPA shared control information of the present invention increases terminal receives the quantity of HS-SCCH information continuously behind the current time sheet bit information by network side in the HS-SCCH information that issues, the steps include:
Step 1, a plurality of terminals are selected the counterpart terminal of current coupling according to receiving terminal identification information in the HS-SCCH information;
In the method for the invention, network side increases terminal receives the quantity of HS-SCCH information continuously behind the current time sheet bit information in the HS-SCCH information that issues, determine that the method for this bit information is: network side is determined bit information according to the HSDPA business datum amount of the current terminal correspondence of buffer memory and the speed of the current HSDPA of the issuing business datum of network side.
The present invention is by increasing terminal receives the quantity of HS-SCCH information continuously behind the current time sheet bit information in the HS-SCCH information that issues at network side, make terminal when receiving the HS-SCCH information of current time sheet, can judge the quantity of follow-up continuous reception HS-SCCH information, thereby receive HS-SCCH information continuously, other-end then increases terminal receives the quantity of HS-SCCH information continuously behind the current time sheet bit information according to above-mentioned network side in the HS-SCCH information that issues, when terminal receives the HS-SCCH information of respective numbers continuously, stop to receive the HS-SCCH information of respective numbers timeslice, thereby realize the discontinuous reception of terminal HS-SCCH information, be that discontinuous reception HSDPA shares control information, reach the power consumption that reduces terminal, improve the purpose of the mobility of terminal.
Description of drawings
Fig. 1 is the schematic diagram that a plurality of terminals are shared the HS-SCCH channel in the prior art;
Fig. 2 receives the schematic diagram of HS-SCCH information continuously for a plurality of terminals in the prior art;
Fig. 3 is the method flow diagram of terminal receiving HSDPA shared control information of the present invention;
Fig. 4 is the schematic diagram that the method for a plurality of terminal applies terminal receiving HSDPA shared control information of the present invention receives HS-SCCH information;
Fig. 5 is the another kind of schematic diagram that the method for a plurality of terminal applies terminal receiving HSDPA shared control information of the present invention receives HS-SCCH information;
Fig. 6 determines the method flow diagram of bit information value for network side in the method for terminal receiving HSDPA shared control information of the present invention.
Embodiment
The present invention is by being increased terminal receives the quantity of HS-SCCH information continuously behind the current time sheet bit information in the HS-SCCH information that issues by network side, when making all the other terminals receive HS-SCCH information in current matched termination, stop to receive HS-SCCH information, reach the purpose that the discontinuous reception of terminal HSDPA shares control information.
The present invention will be further described below in conjunction with Figure of description.
Shown in Figure of description 3, be the method flow diagram of terminal receiving HSDPA shared control information of the present invention, terminal receiving HSDPA shared control information as herein described, promptly terminal receives HS-SCCH information, and its specific implementation step is as follows:
Step 101, a plurality of terminals receive the shared control information of HSDPA that network side issues; Described a plurality of terminal has comprised all terminals of sharing this HSDPA channel, in particular cases, can also comprise the only situation of a terminal; Described shared control information, be the transformat of the identification information that comprised terminal in the HS-SCCH information, corresponding HS-PDSCH physical channel and resource indication, modulation and coded system indication, the indication of HARQ information, the terminal that also having comprised network side increases in the HS-SCCH information that issues receives the bit information of the quantity of HS-SCCH information continuously behind the current time sheet; For example, shown in the Figure of description 4, network side sends HS-SCCH information in timeslice 1 to terminal, terminal T1, T2, T3 receive this HS-SCCH information, the identification information that has comprised terminal T1 in the HS-SCCH information that network side sent, promptly this HS-SCCH information receives for terminal T1, simultaneously, also comprised reflection terminal all right information bit of the information of time of reception sheet 2 continuously after timeslice 1 in the HS-SCCH information that network side sends, the information of this information bit express time sheet 2 also belongs to terminal T1, and does not belong to terminal T2 or T3;
Whether step 102 comprises this terminal corresponding identification information in the HS-SCCH information that a plurality of terminal judges receive; If comprise the identification information of this terminal in the HS-SCCH information, promptly the identification information of the terminal identification information that comprises in the HS-SCCH information and this terminal coupling shows that then this HS-SCCH information belongs to this terminal, execution in step 103; Otherwise, execution in step 105;
Whether the value of step 103, the terminal that comprises in the HS-SCCH information that this terminal judges the receives bit information of the quantity of continuous reception HS-SCCH information behind the current time sheet is 0, as is 0, and then execution in step 104; Otherwise, execution in step 107;
Step 104, this terminal stop to receive a HSDPA and share control information, afterwards, and execution in step 107; This terminal is 0 according to the value of the bit information of the quantity of continuous reception HS-SCCH information behind the current time sheet of terminal in the step 103, can judge after the current time sheet receives HS-SCCH information, the HS-SCCH information that does not belong to this terminal in next timeslice, but can't judge whether the HS-SCCH information that belongs to this terminal is arranged in the later timeslice of next timeslice, so, this terminal only stops to receive a HSDPA and shares control information, i.e. HS-SCCH information; In Figure of description 4, the value of the information bit that terminal T1 comprises in the timeslice 2 basis HS-SCCH information that receive is 0, can judge the HS-SCCH information that does not mail to terminal T1 at timeslice 3 network sides, so terminal T1 does not receive HS-SCCH information in timeslice 3;
Step 105, other-end judge whether the value of the current terminal bit information of the quantity of the continuous HS-SCCH of reception information behind the current time sheet that comprises in the current HS-SCCH information is 0, as are 0, and then execution in step 107; Otherwise, execution in step 106;
Step 106, other-end stop to receive the HS-SCCH information of respective numbers according to the current terminal that comprises in the current HS-SCCH information continuous bit information that receives the quantity of HS-SCCH information behind the current time sheet; In Figure of description 4, terminal T2, T3 are 1 according to the value of the bit information in 1 moment of the timeslice HS-SCCH information, can judge the HS-SCCH information that issues at 2 moment of timeslice network side and still belong to terminal T1, so, terminal T2, T3 make the decision of the HS-SCCH information that stops to receive the next time in timeslice 1, and terminal T2, T3 be the time of reception sheet 2 HS-SCCH information that issues of network side constantly no longer;
Step 107, terminal receive the HS-SCCH information of next timeslice; In Figure of description 4, in timeslice 2, terminal T2, T3 are 0 according to the value of the bit information in 2 moment of the timeslice HS-SCCH information, can judge at 3 moment of timeslice network side and not have the HS-SCCH information that is handed down to terminal T1, but terminal T2, T3 can't judge timeslice 3 constantly the HS-SCCH information that issues of network side to belong to terminal T2 still be terminal T3, so in timeslice 3 constantly, terminal T2, T3 receive the HS-SCCH information that network side issues.
Timeslice 3 in the Figure of description 4, the information bit in the HS-SCCH information that terminal T1 can be received by timeslice 2 learn that this moment do not mail to the HS-SCCH information of this terminal, so do not need to receive HS-SCCH information; Terminal T2, T3 can't determine which terminal is the HS-SCCH information that timeslice 3 network sides send belong to, therefore the HS-SCCH information that all needs time of reception sheet 3, terminal T2, T3 receive the HS-SCCH information that network side sends, and its process method step is identical with step described in the foregoing description; Be after terminal T2 receives HS-SCCH information, receive this HS-SCCH information according to wherein terminal iidentification and its coupling, the network side that the while basis wherein comprises is at follow-up timeslice 4 and timeslice 5 continuous quantity informations to terminal transmission HS-SCCH information, in timeslice 4 and timeslice 5 continuous reception HS-SCCH information; Terminal T3 is then after timeslice 3 receives HS-SCCH information, find that the terminal identification information that wherein comprises does not match with it, simultaneously, HS-SCCH information at follow-up timeslice 4 and timeslice 5 network sides all sends to terminal T2, therefore, terminal T3 is after the HS-SCCH information that has received timeslice 3, and no longer the HS-SCCH information of time of reception sheet 4 and timeslice 5 has realized discontinuous reception HS-SCCH information.
In the said method, on certain time, there is not HS-SCCH information to send to the processing method of counterpart terminal for network side, can be divided into two kinds of situations handles, a kind of situation is: terminal learns that terminal does not need to receive HS-SCCH information on this timeslice in the bit information of the quantity of reception HS-SCCH information according to the terminal that comprises in the HS-SCCH information that receives previously continuously behind the current time sheet; In Figure of description 4, time corresponding sheet 6, known this of terminal T2 do not have the HS-SCCH informational needs constantly and receive, and therefore, terminal T2 does not receive HS-SCCH information in timeslice 6; Another kind of situation is: whether terminal can't be judged current time network-on-chip side according to the HS-SCCH information that receives previously the HS-SCCH information that sends to this terminal, so terminal is made the behavior that receives HS-SCCH information on the current time sheet; In Figure of description 4, time corresponding sheet 6, whether terminal T1 and T3 can't judge this time network-on-chip side according to the HS-SCCH information that receives previously the HS-SCCH information that mails to this counterpart terminal, so terminal T1 and T3 make the behavior that receives HS-SCCH information.
In said method, the value of reflection terminal bit information of the quantity of the continuous HS-SCCH of reception information behind the current time sheet has determined that other-end receives the degree that network side issues the noncontinuity of HS-SCCH information, that is to say, the value of above-mentioned information bit is big more, certain terminal just can be judged the more HS-SCCH information that its back can receive constantly continuously according to this information bit, and other-end is when above-mentioned certain terminal receives HS-SCCH information, just stop to receive, realized discontinuous reception.For example, in the Figure of description 5, the bit information form that expression receives the quantity of HS-SCCH information continuously is 3 bits, its form can be 000,001,010,011,100,101,110,111, represent that respectively terminal can also receive 0 continuously after current reception network side HS-SCCH information, 1,2,3,4,5,6,7, get maximum 7 among the figure, the expression terminal can also receive 7 HS-SCCH information that belong to this terminal T1 continuously after current reception network side HS-SCCH information, and terminal T2, when T3 belongs to the HS-SCCH information of self 7 of the continuous receptions of terminal T1, no longer receive; Represented in the accompanying drawing 5 that network side issues HS-SCCH information to terminal T1 all the time, because the maximum that information bit can be represented in accompanying drawing 5 is 7, therefore, terminal T1 can only judge according to this information bit can receive 7 HS-SCCH information that belong to self after current continuously, as in timeslice 1, terminal T1 judges that it can receive the HS-SCCH information of timeslice 9 continuously, and in timeslice 2, because network side sends HS-SCCH information to terminal T1 all the time, therefore, terminal T1 judges that it can receive the HS-SCCH information of timeslice 10 continuously, the rest may be inferred, terminal T1 can judge that all the time it can receive 7 HS-SCCH information that belong to self continuously after the current time, and terminal T2, T3 also can stop to receive the HS-SCCH information that network side issues according to the bit information that comprises in the HS-SCCH information always.
The present invention is guaranteeing that certain terminal normally receives under the prerequisite of the HS-SCCH information that network side issues, make the bit information of other terminal according to the current terminal that comprises in HS-SCCH information quantity of the continuous HS-SCCH of reception information behind the current time sheet, stop to receive the HS-SCCH information of respective numbers, realize discrete reception HS-SCCH information, can reduce the power loss of other-end; Simultaneously, owing to realized discontinuous receptions HS-SCCH information, make terminal be had the time of free time to finish measurement, guaranteed the mobility of terminal neighbor cell.
In the method for terminal receiving HSDPA shared control information of the present invention, the current terminal that network side increases in the HS-SCCH information that issues receives the bit information of the quantity of HS-SCCH information continuously behind the current time sheet, the value of this bit information is to adjust in real time according to the HSDPA business datum amount that is handed down to counterpart terminal of network side buffer memory, HSDPA business datum that described network side issues to terminal and HS-SCCH information always occur in pairs, therefore also equate on the quantity of timeslice.
Shown in Figure of description 6, network side increases current terminal receives the quantity of HS-SCCH information continuously behind the current time sheet bit information in the HS-SCCH information that issues, determine that the method step of bit information comprises:
Network side is determined the value of bit information according to the method described in the last example, because of network side each constantly the quantity of the HSDPA business datum of the counterpart terminal of buffer memory be real-time change, so the value of bit information also is to adjust in real time.Network side the HSDPA business datum with current counterpart terminal issue finish after, reselect and issue the pairing terminal of HSDPA business datum, determine the value of bit information again according to the HSDPA business datum quantity of the correspondence of this terminal of buffer memory.
The present invention also provides a kind of solution when terminal occurs receiving HS-SCCH information errors situation, and the situation that terminal receives the HS-SCCH information errors can comprise following two kinds: a kind of is that current terminal receives information errors according to the check code verification in the HS-SCCH information that receives; Another kind to be current terminal receive the quantity of HS-SCCH information continuously according to the terminal that comprises in the HS-SCCH information that receives behind the current time sheet bit information is judged can receive the HS-SCCH information of respective numbers continuously, but does not receive HS-SCCH information on the time corresponding sheet.Receive the situation of HS-SCCH information errors for above-mentioned terminal, the invention provides following solution, that is: the HS-SCCH information errors appears receiving in current terminal judges on the current time sheet, then current terminal receives HS-SCCH information continuously, till correctly receiving HS-SCCH information next time; For example, the HS-SCCH information errors appears on the terminal T1 judgement time sheet 5 receiving, then terminal T1 constantly begins to receive continuously HS-SCCH information in timeslice 6, and in timeslice 6 constantly, if terminal T1 has received satisfactory HS-SCCH information, then terminal T1 can judge according to the current terminal that comprises in this correct HS-SCCH information that receives receives the quantity of HS-SCCH information continuously behind the current time sheet bit information and receives HS-SCCH information continuously, still stops to receive HS-SCCH information; If the HS-SCCH information that do not have timeslice 6 network sides is handed down to still mistake of HS-SCCH information that terminal T1 or terminal T1 receive on timeslice 6, then terminal T1 continues time of reception sheet 7 or the HS-SCCH information that issues of time network-on-chip side later on, till receiving satisfactory HS-SCCH information.
Although embodiment of the present invention are open as above, but it is not restricted to listed utilization in specification and the execution mode, it can be applied to various suitable the field of the invention fully, for those skilled in the art, can easily realize other modification, therefore under the universal that does not deviate from claim and equivalency range and limited, the legend that the present invention is not limited to specific details and illustrates here and describe.
Claims (6)
1. the method for a terminal receiving HSDPA shared control information is characterized in that, increases terminal receives the quantity of HS-SCCH information continuously behind the current time sheet bit information by network side in the HS-SCCH information that issues, and the steps include:
Step 1, a plurality of terminals are selected the counterpart terminal of current coupling according to receiving terminal identification information in the HS-SCCH information;
Step 2, the counterpart terminal of above-mentioned coupling receives the HS-SCCH information of respective amount continuously according to the bit information in the HS-SCCH information, and all the other terminals stop to receive the HS-SCCH information of respective amount according to the bit information in the HS-SCCH information.
2. the method for terminal receiving HSDPA shared control information as claimed in claim 1, it is characterized in that, when the value of the bit information in the HS-SCCH information is 0, described step 2 further comprises, current terminal stops to receive the HS-SCCH information of next timeslice, and first timeslice after next timeslice receives HS-SCCH information; All the other terminals receive the HS-SCCH information of next timeslice.
3. the method for terminal receiving HSDPA shared control information as claimed in claim 1 is characterized in that, the figure place of described bit information is 3.
4. the method for terminal receiving HSDPA shared control information as claimed in claim 1, it is characterized in that network side determines that the method for the bit information that increases in the HS-SCCH information is: network side is determined bit information according to the HSDPA business datum amount of the current terminal correspondence of buffer memory and the speed of the current HSDPA of the issuing business datum of network side.
5. the method for terminal receiving HSDPA shared control information as claimed in claim 4 is characterized in that, network side is selected corresponding terminal according to the priority level of terminal or the HSDPA business datum amount of current cache.
6. the method for terminal receiving HSDPA shared control information as claimed in claim 1, it is characterized in that, when current terminal mistake received HS-SCCH information, then current terminal received HS-SCCH information continuously, till correctly receiving HS-SCCH information next time.
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| CNB2006100576011A CN100418387C (en) | 2006-02-22 | 2006-02-22 | A terminal receiving HSDPA shared control information method |
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| CNB2006100576011A CN100418387C (en) | 2006-02-22 | 2006-02-22 | A terminal receiving HSDPA shared control information method |
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| CN100418387C true CN100418387C (en) | 2008-09-10 |
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| CN101489287B (en) * | 2008-01-14 | 2012-06-06 | 中兴通讯股份有限公司 | HS-SCCH selecting method and system having dedicated H-RNTI under CELL_PCH state |
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| WO2005099123A1 (en) * | 2004-04-07 | 2005-10-20 | Lg Electronics Inc. | Transmission method of downlink control signal for mimo system |
| US20050281222A1 (en) * | 2004-06-21 | 2005-12-22 | Ranta-Aho Karri | Recovery method for lost signaling connection with HSDPA/fractional DPCH |
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| US20030035403A1 (en) * | 2001-08-14 | 2003-02-20 | Samsung Electronics Co., Ltd. | Method for transmitting and receiving common information in a CDMA communication system providing HSDPA service |
| US20030123470A1 (en) * | 2001-12-28 | 2003-07-03 | Samsung Electronics Co., Ltd. | Apparatus and method for transmitting/receiving a high speed-shared control channel in a high speed downlink packet access communication system |
| GB2405289A (en) * | 2003-08-20 | 2005-02-23 | Ipwireless Inc | Method for HSDPA data communocation |
| CN1645786A (en) * | 2003-11-14 | 2005-07-27 | 三星电子株式会社 | Method and apparatus for transmitting/receiving a control signal on a high speed shared control channel |
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