CN100473230C - Method for signaling sending in the CDMA high-speed packet data mobile cluster system - Google Patents
Method for signaling sending in the CDMA high-speed packet data mobile cluster system Download PDFInfo
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- CN100473230C CN100473230C CNB2006100327589A CN200610032758A CN100473230C CN 100473230 C CN100473230 C CN 100473230C CN B2006100327589 A CNB2006100327589 A CN B2006100327589A CN 200610032758 A CN200610032758 A CN 200610032758A CN 100473230 C CN100473230 C CN 100473230C
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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
This invention discloses one HRPD group set communication system send signal method of CDMA modulation, which comprises the following steps: in the HRPD front signal channel, dividing the signal channel into multiple set special control signal channels by use of CCShortPacketsMACIndex property; in establishing of set group base station divides each set to align one special control channel with each set belonging to self terminal control signal channel and with relative front terminal simultaneous pack.
Description
Technical field
The present invention relates to communication technique field, particularly in the HRPD of CDMA standard (High Rate PacketData, HRPD (high rate packet data)) the mobile cluster communication system, send the method for signaling.
Background technology
Trunked communication system is meant one group of wireless channel of multiple users share, and dynamically use the dedicated mobile communications subsystem of these channels, it is a kind of commander, dispatching patcher, in some social economies, the relatively advanced country of industrial or agricultural, there is application very widely in this system in the departments such as enterprise, cause, industrial and mineral, oil field, farm, public security, police and army that commander, scheduling feature are had relatively high expectations.The honeycomb trunked communication system combines cellular communication system and specific schedule communication system, has both expanded the scope of business of cellular communication system, makes trunked communication system break away from the specific-dispatching communication system in function and regional limitation again.Present honeycomb trunked communication system can be divided into TDMA (Time Division Multiplex Access time division multiple access) and two kinds of standards of CDMA (Code Division Multiplex Access code division multiple access) according to access way.
Development along with mobile communication technology, realize that in the HRPD system group service has become a current direction, in the HRPD group system, work as after the group call foundation, user between group also needs to transmit right of speech and a lot of control informations such as seizes, a kind of mode is that these information are sent by synchronization control channel, and the cycle that sends like this can be very long, and all mobile phones all can be monitored content on the synchronizing channel simultaneously, cause the mobile phone power consumption too much, influence stand-by time.
So, how to set up the control channel of group's special use, increase the stand-by time of mobile phone simultaneously, be a major issue that satisfies large-scale trunked communication system communication need.Do not realize in the HRPD of CDMA standard system that at present group's Forward Dedicated Control Channel sends the method for signaling yet.
Summary of the invention
The objective of the invention is to solve the forward control channel that the cluster grouping does not have special use in the HRPD of CDMA standard group system, use the serious problem of Common Control Channel mobile phone power consumption.
For achieving the above object, the HRPD trunked communication system that the present invention proposes a kind of CDMA standard sends Signalling method, in the forward channel of described HRPD, control channel is divided into the Dedicated Control Channel of a plurality of clusters, and distinguished with CCShortPacketsMACIndex (the prefix MAC index that short grouping transmits on the control channel) attribute, when trunked call is set up, Dedicated Control Channel of each cluster group allocation is given in the base station, each group on this channel only to have with own corresponding control channel on the terminal of the prefix MAC index attributes that transmits of short grouping send forward control channel message, terminal is only monitored the divide into groups sub-sync packet of forward direction of prefix MAC index attributes correspondence of transmission of weak point on the own control channel each group in.Specifically comprise the steps:
The first step: access terminal or network side initiation trunked call, the base station begins the Processing Cluster business;
Second step: Forward Dedicated Control Channel is set up in the base station and the negotiation that accesses terminal, set up in the process of Forward Dedicated Control Channel in negotiation, by sub-synchronization control channel, adopt short pack mode, the prefix MAC index attributes that short grouping on the control channel wherein transmits is shared between all cluster users in a group;
The 3rd step: all terminals are finished the foundation of forward control channel in the prefix MAC index attributes parameter group of notifications that short grouping on the control channel is transmitted in the base station, enter talking state;
The 4th step: the base station sends forward control signal by described Dedicated Control Channel.
In described second step, the prefix MAC index attributes parameter that short grouping transmits on discrete distribution control channel between group.
In described the 4th step, the forward control signal that the base station sends in group by described Dedicated Control Channel is a broadcast signaling.
In described the 4th step, the base station sends signaling by described Dedicated Control Channel some or a plurality of terminals in group.
Compare with the mode of using Common Control Channel, the Forward Dedicated Control Channel method that the present invention proposes the CDMA standard group communication system can make the synchronous success rate of AT coupling improve greatly, redundant coupling is effectively filtered, can improve the control channel information transmission rate, and the electric power of saving AT, prolongs standby time.Simultaneously, set up Forward Dedicated Control Channel and also well realized broadcasting and unicast feature in the group of forward direction signaling.
Description of drawings
Fig. 1 is the structural representation of CDMA2000 HRPD group system involved in the present invention;
Fig. 2 shows the division schematic diagram for forward direction of the present invention group Dedicated Control Channel;
The signaling process figure of Fig. 3 the present invention in CDMA2000 HRPD group system.
Embodiment
Be that example is described the present invention in detail with CDMA2000 HRPD communication system below.
As shown in Figure 1, CDMA2000 HRPD system comprises AT (Access Terminal, access terminal), AN (Access Network, Access Network), access network authentication and authorization charging (AN AAA, Access NetworkAuthentication Authorization and Accounting), Packet Control Function (PCF, PacketControl Function) and packet data serving node (PDSN, Packet Data Service Node).A9, A11 and A12 are signaling link, and A8 and A10 are data link.
Fig. 2 is the forward channel structure of HRPD, pilot channel wherein, media into control channel is identical with agreement with Traffic Channel, at control channel, the present invention further is divided into control channel the Dedicated Control Channel of a plurality of clusters, the Dedicated Control Channel of cluster is distinguished with CCShortPacketsMACIndex, distributes Dedicated Control Channel for when trunked call is set up each cluster, and the forward control information of group all sends from this channel.
At the communication system of Fig. 1, as shown in Figure 3, the present invention includes following steps:
301, AT1, AT2 initiate trunked call, and the base station enters the Processing Cluster operation flow.
302, AN divide forward Dedicated Control Channel is distributed to terminal.In the process of distributing Forward Dedicated Control Channel,, adopt short packet format to send message by sub-synchronization control channel.CCShortPacketsMACIndex attribute in the short packet format is used for distinguishing different groups, and this attribute implication is AN when accessing terminal to certain with the short bag of sub-synchronized transmission, the employed MACIndex of physical layer modulation prefix.CCShortPacketsMACIndex is originally and gives each AT, now CCShortPacketsMACIndex all cluster users in the group is shared, and gives the user AT1 in the same group, and AT2 distributes identical Forward Dedicated Control Channel.When distributing CCShortPacketsMACIndex, the CCShortPacketsMACIndex between feasible group is discrete as far as possible to be opened.(CCShortPacketsMACIndex has a span, [72,72+NumCCShortPacketsMACIndices-1], NumCCShortPacketsMACIndices is the number that is used for CCShortPacketsMACIndex, these are worth discontinuous branch when distributing, discrete as far as possible, reduce and disturb.)
303,304AN finishes the foundation of forward control channel with user AT1, AT2 in the CCShortPacketsMACIndex parameter group of notifications.
305 cluster users enter talking state.
306,307, enter talking state after, the base station sends the control information of forward direction by this Dedicated Control Channel, both can be in group broadcast signaling, also can send signaling to independent AT, AT1 that can be in group, the AT2 broadcast also can only send unicast messages to AT1 or AT2.
308, finish cluster service flow.
By reasonable distribution to the CCShortPacketsMACIndex in organizing, each group AT at one's own CCShortPacketsMACIndex sends forward control channel message, and AT also only monitors the sub-sync packet of forward direction of the CCShortPacketsMACIndex attribute correspondence of oneself in each group.Send beep-page message to AT1 such as AN with the sub-method of synchronization, adopting data packet format is [128,4,1024]: if do not take the mode of Dedicated Control Channel, all AT in the monitoring state, owing to all monitoring public short bag prefix MACIndex 71, so all can successfully catch the prefix of this beep-page message, and will then solve whole bag, extract ATI Record (the access terminal identification field in the structure, Access Terminal Identifier Record), ATI with oneself mates again, except AT1 can the match is successful, this message is mail to the upper strata, all the other all AT can't the match is successful, so far just can abandon this message; It is a special MACIndex that AN sends the synchronous prefix of son, among a lot of AT so in the monitoring state, as long as the CCShortPacketsMACIndex that distributes is different with AT1, just can not capture prefix, therefore just saved the process of original unwanted XieMACBao and coupling ATI.Therefore the synchronous success rate of AT coupling will improve greatly, and redundant coupling is effectively filtered, thereby can reach the purpose of the electric power of effective saving AT.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those skilled in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (5)
1, send the method for signaling in the HRPD (high rate packet data) mobile cluster system of CDMA standard, it is characterized in that, in the forward channel of described HRPD (high rate packet data) mobile cluster system, control channel is divided into the Dedicated Control Channel of a plurality of clusters, and distinguished with the prefix MAC index attributes that short grouping on the control channel transmits, when trunked call is set up, Dedicated Control Channel of each cluster group allocation is given in the base station, each group on this channel only to have with own corresponding control channel on the terminal transmission forward control channel message of the prefix MAC index attributes that transmits of short grouping, the prefix MAC index attributes that short grouping transmits on the control channel is shared between all cluster users in a group, and terminal is only monitored the sub-sync packet of forward direction of the prefix MAC index attributes correspondence of the short transmission of dividing into groups on the own control channel each group in.
2, send the method for signaling in the HRPD (high rate packet data) mobile cluster system of CDMA standard, it is characterized in that comprising the steps:
The first step: access terminal or network side initiation trunked call, the base station begins the Processing Cluster business;
Second step: base station divide forward Dedicated Control Channel, distribute to and access terminal, in the process of distributing Forward Dedicated Control Channel, by sub-synchronization control channel, adopt short pack mode, the prefix MAC index attributes that short grouping on the control channel wherein transmits is shared between all cluster users in a group;
The 3rd step: all terminals are finished the foundation of Forward Dedicated Control Channel in the prefix MAC index attributes parameter group of notifications that short grouping on the control channel is transmitted in the base station, enter talking state;
The 4th step: the base station sends forward control signal by described Forward Dedicated Control Channel.
3, method according to claim 2 is characterized in that, in described second step, and the prefix MAC index attributes parameter that short grouping transmits on discrete distribution control channel between group.
According to claim 2 or 3 described methods, it is characterized in that 4, in described the 4th step, the forward control signal that the base station sends in group by described Forward Dedicated Control Channel is a broadcast signaling.
According to claim 2 or 3 described methods, it is characterized in that 5, in described the 4th step, the base station sends signaling by described Forward Dedicated Control Channel some or a plurality of terminals in group.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100327589A CN100473230C (en) | 2006-01-05 | 2006-01-05 | Method for signaling sending in the CDMA high-speed packet data mobile cluster system |
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| CNB2006100327589A CN100473230C (en) | 2006-01-05 | 2006-01-05 | Method for signaling sending in the CDMA high-speed packet data mobile cluster system |
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| CN1997178A CN1997178A (en) | 2007-07-11 |
| CN100473230C true CN100473230C (en) | 2009-03-25 |
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| CN101771460B (en) * | 2009-01-07 | 2013-03-20 | 中兴通讯股份有限公司 | Transmitting device and method for sub-synchronous capsules |
| CN101860806B (en) * | 2010-05-07 | 2014-03-26 | 海能达通信股份有限公司 | Dynamic marshalling method, system and terminal |
| CN102857872B (en) * | 2011-06-30 | 2016-06-15 | 中兴通讯股份有限公司 | The transmission method of a kind of company-data and network equipment |
| CN111601261B (en) * | 2020-01-16 | 2022-04-19 | 哈尔滨海能达科技有限公司 | Load balancing method of control channel, group call service processing method and related equipment |
| CN111050359B (en) * | 2020-01-16 | 2023-02-28 | 哈尔滨海能达科技有限公司 | Load balancing control method, communication method, device and communication system |
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