CN101577886B - Method for radio paging by quick paging channel and system thereof - Google Patents
Method for radio paging by quick paging channel and system thereof Download PDFInfo
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- CN101577886B CN101577886B CN 200910147628 CN200910147628A CN101577886B CN 101577886 B CN101577886 B CN 101577886B CN 200910147628 CN200910147628 CN 200910147628 CN 200910147628 A CN200910147628 A CN 200910147628A CN 101577886 B CN101577886 B CN 101577886B
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- paging
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- paging indicator
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Abstract
The invention discloses a method for radio paging by quick paging channel and a system thereof; based on the method and the system, a cluster terminal can determine whether to monitor the following radio time slot according to paging indicators issued by a base station corresponding to the base station; when the base station needs to issue radio paging information to partial cluster terminals in the cluster system, the base station determines QFCH and position of PI on the QPCH selected for this time according to group indicators of the cluster terminals which receives the information; the base station set the PI as a specific value; the cluster terminals determine the QPCH where the PI is received and position thereof in the communication channel according to group indicators issued by the base station; the cluster terminals receive the PI and determines whether to monitor the radio time slot indicated by the PI. The method and system of the invention greatly reduce time for receivinginformation by the cluster terminals while lengthening stand-by time of the cluster terminals.
Description
Technical field
The present invention relates to the trunking communication field, relate in particular to the method and system that a kind of QPCH of utilization (Quick PagingChannel, quick paging channel) carries out Radio Paging.
Background technology
QPCH is a kind of control channel in CDMA2000, is used for reducing the time that mobile terminal is monitored PCH (Paging Channel, paging channel), thereby reaches the purpose that reduces mobile terminal power consumption.
Stipulate in the IS2000 agreement: the Quick Paging function is optional, under a residential quarter, multipotency is supported 3 QPCH simultaneously, at SR1 (Spread Rate 1, spreading rate 1, represent that the data rate after final spread spectrum is 1.2288Mchips/s) time, their corresponding No. WALSH of fixing are respectively W
80 128, W
48 128, W
112 128QPCH is different on physical structure with respect to other channel, and the signal that transmits in QPCH is un-encoded, adopts OOK (On-off Keying, on-off keying) mode to modulate after first spread spectrum, and then up-conversion launches.This mode is convenient to the specific bit that mobile terminal receives only time slot, needn't receive whole time slot, thereby reaches the purpose of saving mobile terminal power consumption.QPCH works together with PCH under slotted mode, so QPCH divides time slot, sees also Fig. 1, this figure is the QPCH time slot map of IS2000 agreement regulation, as seen from the figure, and each time slot duration 80ms of QPCH, the frame that comprises 4 20ms is divided into two parts of front 40ms and rear 40ms.Whether the time slot of QPCH and the time slot of PCH have definite corresponding relation, have the time difference of 100ms between two time slots, be positioned at the PCH that the PI (Paging Indicator, Paging Indicator) of QPCH is used to refer to subsequently and should be received.
Definite formula of PCH timeslot number PGSLOT is: (t/4-PGSLOT) mod (16 * T)=0, here t is the system time take frame as unit, and T is the slot cycle length take 1.28s as unit, and it is provided by T=2i, here i is the slot cycle index, and span is 0～7.
Therefore, definite formula of QPCH time slot is: ((16 * T)=0, wherein t, T are the same, and the span of PGSLOT is 0～2047, and the occurrence of the corresponding timeslot number of mobile terminal is determined by the HASH function for (t+5)/4-PGSLOT) mod.
Stipulate in the IS2000 agreement, support the QPCH channel if configured QPCH channel and mobile terminal, so for the time slot in paging channel, mobile terminal need to be before time slot PI in 100ms judgement QPCH to accept indication, determine whether to need to monitor this time slot, the drawback that this method is brought is exactly for a system, if certain time slot has broadcast paging messages, all mobile terminals all need to monitor.
In group system, colony terminal in group often relies on the broadcast paging messages access group calling on PCH, the broadcast address of this broadcast paging messages is generally determined by group identification, be described in the patent " a kind of addressing method of radio news in cluster system " of CN200580049376.0 as application number, adopt group identification as broadcast address.In this case, if according to the application at QPCH of the time slot of IS2000 agreement regulation, so when certain time slot has broadcast paging messages, no matter which colony terminal this broadcast paging messages is aimed at, all colony terminals all must be waken up and monitor ensuing time slot.Colony terminal namely can occur and monitor time slot, but this time slot is not directed to the situation of the broadcast paging messages of this colony terminal.
Summary of the invention
The invention provides a kind of method and system of utilizing quick paging channel to carry out Radio Paging, the Paging Indicator for self that makes colony terminal issue by receiving the base station determines whether to need to monitor ensuing time slot.
Technical scheme of the present invention comprises:
A kind of method of utilizing quick paging channel to carry out Radio Paging comprises step:
A, when the broadcast address of broadcast paging messages to be sent is group identification, the base station utilizes this group identification to determine this quick paging channel of selecting and the position of Paging Indicator on this channel by hash algorithm, is particular value with Paging Indicator set;
The affiliated group identification that B, colony terminal issue according to the base station is determined quick paging channel and the position in this channel thereof that needs the Paging Indicator of reception place by hash algorithm;
C, colony terminal receive described Paging Indicator, determine whether that according to this Paging Indicator needs monitor the time slot of its indication.
Further, also comprise before described steps A the base station by Overhead Message to the number of the quick paging channel of colony terminal informing base station side configuration and the step of channel number.
Further, described colony terminal obtains by system's registration message the group information updating message that the base station issues, and therefrom obtains the list of group information under self.
Further, in described steps A, the base station after determining the position of Paging Indicator, is 1 with its set; In described step C, if described Paging Indicator is 1, colony terminal is monitored the time slot of described Paging Indicator indication, otherwise, the time slot of described Paging Indicator indication is not monitored.
Further, there is the time difference of 100ms between described Paging Indicator and described time slot.
A kind of system that utilizes quick paging channel to carry out Radio Paging comprises base station and colony terminal, wherein,
The base station, be used for when the broadcast address of broadcast paging messages to be sent is group identification, utilizing this group identification to determine this quick paging channel of selecting and the position of Paging Indicator on this channel by hash algorithm, is particular value with Paging Indicator set;
Colony terminal, for the affiliated group identification that issues according to the base station, determine quick paging channel and the position in this channel thereof that needs the Paging Indicator of reception place by hash algorithm, and receive described Paging Indicator, determine whether that according to this Paging Indicator needs monitor the time slot of its indication.
Further, described base station also is used for by number and the channel number of Overhead Message to the quick paging channel of colony terminal informing base station side configuration before determining this quick paging channel of selecting.
Further, described colony terminal also is used for obtaining by system's registration message the group information updating message that the base station issues, and therefrom obtains the list of group information under self.
Further, there is the time difference of 100ms between described Paging Indicator and described time slot.
Compared with prior art, beneficial effect of the present invention is as follows:
In technical scheme of the present invention, base station side has configured QPCH, in the time need to issuing broadcast paging messages to the segment set group terminal in group system, the group identification that the base station utilize to receive the colony terminal of this message is determined this QPCH that selects and the position of PI on this QPCH, and is particular value with this PI set; QPCH and the position in this channel thereof at the PI place that colony terminal determines that needs receive according to self group identification, determine whether the ensuing time slot of needs monitoring according to the value of this PI, thereby greatly reduced the time of colony terminal receipt message, increase the stand-by time of colony terminal, reduced the power consumption of colony terminal.
Description of drawings
Fig. 1 is the QPCH time slot map of IS2000 agreement regulation;
Fig. 2 is the principle flow chart of realizing that utilizes method that quick paging channel carries out Radio Paging of the present invention;
Fig. 3 is the flow chart of a specific embodiment of the method for the invention;
Fig. 4 is the structured flowchart that utilizes quick paging channel to carry out the system of Radio Paging of the present invention;
Fig. 5 is the position relationship schematic diagram of the PI that stipulates in the PI of the present invention definition in QPCH and IS2000 agreement.
Embodiment
Major technique of the present invention design is: when the base station need to issue broadcast paging messages to the segment set group terminal in group system, the group identification that the base station utilize to receive the colony terminal of this message is determined this QPCH that selects and the position of PI on this QPCH that selects, and the base station is particular value with this PI set; QPCH and the position in this channel thereof at the PI place that the affiliated group identification that colony terminal issues according to the base station determines that needs receive, colony terminal receives this PI, determines whether to need to monitor the time slot of this PI indication.
Below in conjunction with each accompanying drawing, specific implementation process of the present invention is given further detailed explanation.
See also Fig. 2, this figure is the principle flow chart of realizing that utilizes method that quick paging channel carries out Radio Paging of the present invention, and it mainly comprises the steps:
Step S201, base station side are colony terminal configuration QPCH;
Step S202, base station are by number and the channel number of Overhead Message to the QPCH of colony terminal informing base station side configuration;
Step S203, colony terminal obtain by system's registration message the group information updating message that the base station issues, and therefrom obtain the list of group information under self;
Step S204, when the broadcast address of broadcast paging messages to be sent is group identification, the base station utilizes this group identification to determine by hash algorithm the QPCH that this is selected;
The position of PI is determined in step S205, base station by hash algorithm on this QPCH that selects, and be particular value with its set;
The affiliated group identification that step S206, colony terminal issue according to the base station is determined the QPCH that needs the PI of reception place by hash algorithm;
The affiliated group identification that step 207, colony terminal issue according to the base station is determined the position of PI in QPCH by hash algorithm;
Step S208, colony terminal receive PI from QPCH, determine whether that according to the value of this PI needs monitor the time slot on the PCH of its indication.
What need to further illustrate is to have the time difference of 100ms between described Paging Indicator and described time slot.
The present invention can be applied in system that cluster and voice coexist, but in this case, the QPCH that the QPCH that voice terminal in system need to be used and colony terminal use divide out, and is independent of each other guaranteeing.
Below by a specific embodiment, the method for the invention is given further detailed explanation, this embodiment is applied in the system that voice and cluster coexist, and voice terminal and colony terminal use different QPCH in this embodiment.See also Fig. 3, this figure is the flow chart of a specific embodiment of the method for the invention, and the method for utilizing QPCH to carry out Radio Paging in this system comprises the steps:
Step S301, base station side are respectively voice terminal and colony terminal configuration QPCH.
Step S302, base station are number and the channel number of the QPCH of colony terminal configuration to colony terminal informing base station side by Overhead Message.
In this step, it is number and the channel number of the QPCH of voice terminal configuration to voice terminal informing base station side that the base station also needs simultaneously by system parameters message, voice terminal is monitored broadcast paging messages by receiving PI on QPCH process adopts the implementation of prior art fully, no longer gives here too much to give unnecessary details.
Step S303, colony terminal obtain by system's registration message the group information updating message that the base station issues, and therefrom obtain the list of group information under self.
Step S304, be the broadcast paging messages of group identification for broadcast address, the base station utilizes this group identification to determine by hash algorithm the QPCH that this is selected.
The position of PI is determined in step S305, base station by hash algorithm on this QPCH that selects, and be 1 with its set.
The affiliated group identification that step S306, colony terminal issue according to the base station is determined the QPCH that needs the PI of reception place by hash algorithm.
The affiliated group identification that step S307, colony terminal issue according to the base station is determined the position of PI in QPCH by hash algorithm.
Step S308, colony terminal receive PI from QPCH, judge whether this PI is set to 1, if, execution in step S309, otherwise, execution in step S310.
Time slot on step S309, the colony terminal PCH after to the 100ms of described PI indication is monitored.
Step S310, colony terminal are not monitored the time slot on the PCH after the 100ms of described PI indication.
The formula of the hash algorithm that adopts in above-mentioned steps S304-S307 is:
Wherein HASH_KEY is calculated by group identification, and L is 0～15 bit of HASH_KEY; H is 16～31 bits of HASH_KEY; DECORR is corrected parameter, and N is concrete quick paging channel number or quick paging channel slot number.
Corresponding with said method of the present invention, the present invention also provides a kind of system that utilizes quick paging channel to carry out Radio Paging, sees also Fig. 4, this figure is the structured flowchart that utilizes quick paging channel to carry out the system of Radio Paging of the present invention, it mainly comprises base station and colony terminal, wherein
The base station, be used for by number and the channel number of Overhead Message to the quick paging channel of colony terminal informing base station side configuration, when the broadcast address of broadcast paging messages to be sent is group identification, utilize this group identification to determine this quick paging channel of selecting and the position of Paging Indicator in this channel by hash algorithm, and be particular value with its set;
Colony terminal, be used for obtaining by system's registration message the group information updating message that the base station issues, therefrom obtain the list of group information under self, the affiliated group identification that issues according to the base station, determine quick paging channel and the position in this channel thereof that needs the Paging Indicator of reception place by hash algorithm, and receive described Paging Indicator, determine whether that according to this Paging Indicator needs monitor the time slot of its indication.
the meaning of the PI that stipulates in the PI that defines in the present invention and IS2000 agreement is different, as shown in Figure 5, the QPCH at the PI place of stipulating in the IS2000 agreement and the position in this channel thereof are the IMSI according to terminal, determine by hash algorithm, need all terminals all to monitor, and the QPCH at the PI place in the present invention and the position in this channel thereof are that colony terminal is according to the own group identification that belongs to, determine by hash algorithm, if this PI is set to 0, terminal needn't be monitored ensuing time slot, thereby reduced the wakeup time of terminal, increased the stand-by time of terminal.
Obviously, those skilled in the art can carry out various changes and modification and not break away from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of claim of the present invention and equivalent technologies thereof, the present invention also is intended to comprise these changes and modification interior.
Claims (9)
1. a method of utilizing quick paging channel to carry out Radio Paging, is characterized in that, comprises step:
A, when the broadcast address of broadcast paging messages to be sent is group identification, the base station utilizes this group identification to determine this quick paging channel of selecting and the position of Paging Indicator on this channel by hash algorithm, is particular value with Paging Indicator set;
The affiliated group identification that B, colony terminal issue according to the base station is determined quick paging channel and the position in this channel thereof that needs the Paging Indicator of reception place by hash algorithm;
C, colony terminal receive described Paging Indicator from the quick paging channel of determining, and determine whether that according to the value of this Paging Indicator needs monitor the time slot of its indication.
2. the method for claim 1, is characterized in that, also comprise before described steps A the base station by Overhead Message to the number of the quick paging channel of colony terminal informing base station side configuration and the step of channel number.
3. method as claimed in claim 1 or 2, is characterized in that, described colony terminal obtains by system's registration message the group information updating message that the base station issues, and therefrom obtains the list of group information under self.
4. the method for claim 1, is characterized in that, in described steps A, the base station after determining the position of Paging Indicator, is 1 with its set;
In described step C, if described Paging Indicator is 1, colony terminal is monitored the time slot of described Paging Indicator indication, otherwise, the time slot of described Paging Indicator indication is not monitored.
5. the method for claim 1, is characterized in that, has the time difference of 100ms between described Paging Indicator and described time slot.
6. a system that utilizes quick paging channel to carry out Radio Paging, is characterized in that, comprises base station and colony terminal, wherein,
The base station, be used for when the broadcast address of broadcast paging messages to be sent is group identification, utilizing this group identification to determine this quick paging channel of selecting and the position of Paging Indicator on this channel by hash algorithm, is particular value with Paging Indicator set;
Colony terminal, for the affiliated group identification that issues according to the base station, determine quick paging channel and the position in this channel thereof that needs the Paging Indicator of reception place by hash algorithm, and receive described Paging Indicator, determine whether that according to this Paging Indicator needs monitor the time slot of its indication.
7. system as claimed in claim 6, is characterized in that, described base station also is used for by number and the channel number of Overhead Message to the quick paging channel of colony terminal informing base station side configuration before determining this quick paging channel of selecting.
8. system as described in claim 6 or 7, is characterized in that, described colony terminal also is used for obtaining by system's registration message the group information updating message that the base station issues, and therefrom obtains the list of group information under self.
9. system as claimed in claim 6, is characterized in that, has the time difference of 100ms between described Paging Indicator and described time slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 200910147628 CN101577886B (en) | 2009-06-10 | 2009-06-10 | Method for radio paging by quick paging channel and system thereof |
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| CN 200910147628 CN101577886B (en) | 2009-06-10 | 2009-06-10 | Method for radio paging by quick paging channel and system thereof |
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| CN101577886A CN101577886A (en) | 2009-11-11 |
| CN101577886B true CN101577886B (en) | 2013-11-06 |
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Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101841911A (en) * | 2010-05-18 | 2010-09-22 | 华为技术有限公司 | Method and device for paging terminal |
| CN102573071B (en) * | 2010-12-27 | 2015-05-13 | 华为技术有限公司 | Data processing method, communication system and relevant equipment |
| CN102595565B (en) * | 2011-01-10 | 2014-11-05 | 联芯科技有限公司 | Trunking communication system, and paging method, network side device and terminal of such system |
| CN102595338B (en) * | 2011-01-11 | 2014-10-22 | 鼎桥通信技术有限公司 | Method, device and system for cluster paging and cluster paging access |
| CN102223697A (en) * | 2011-06-27 | 2011-10-19 | 上海泰捷通信技术有限公司 | Method and system for searching wireless access point and terminal equipment |
| CN103200535B (en) * | 2012-01-10 | 2016-06-29 | 普天信息技术有限公司 | A kind of paging method of cluster group |
| CN103209395B (en) * | 2012-01-12 | 2015-07-15 | 中国普天信息产业股份有限公司 | Sending and receiving method of clustering paging message |
| CN103686615B (en) * | 2012-09-21 | 2017-12-01 | 北京信威通信技术股份有限公司 | A kind of method of colony terminal sleep awakening |
| CN105025573B (en) * | 2014-04-21 | 2018-12-04 | 北京信威通信技术股份有限公司 | The cluster service paging method and system of LTE network |
| WO2018195907A1 (en) * | 2017-04-28 | 2018-11-01 | Oppo广东移动通信有限公司 | Wireless communication method, network device, and terminal device |
| CN109286966B (en) * | 2017-07-21 | 2020-08-04 | 维沃移动通信有限公司 | Paging method, terminal, network device, and computer-readable storage medium |
| GB2568513B (en) * | 2017-11-17 | 2020-11-25 | Tcl Communication Ltd | Paging systems |
| CN110730504B (en) * | 2018-07-16 | 2021-03-12 | 维沃移动通信有限公司 | Paging indication method, device and system |
| US20240064699A1 (en) * | 2020-12-26 | 2024-02-22 | Beijing Xiaomi Mobile Software Co., Ltd. | Paging early indication method and apparatus |
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| DE10305358A1 (en) * | 2003-01-13 | 2004-07-22 | Siemens Ag | Transmitting group messages involves sending defined group indicator(s) on all paging indicator radio channels associated with all radio communications devices in their respective local radio cells |
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