CN102026339B - Improved dual-mode terminal pilot frequency management method and device - Google Patents
Improved dual-mode terminal pilot frequency management method and device Download PDFInfo
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- CN102026339B CN102026339B CN 200910176826 CN200910176826A CN102026339B CN 102026339 B CN102026339 B CN 102026339B CN 200910176826 CN200910176826 CN 200910176826 CN 200910176826 A CN200910176826 A CN 200910176826A CN 102026339 B CN102026339 B CN 102026339B
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Abstract
The embodiment of the invention discloses an improved dual-mode terminal pilot frequency management method and device which can solve the problem of possible error time-out of a pilot frequency monitoring timer in the traditional dual-mode terminal pilot frequency management operation. The improved dual-mode terminal pilot frequency management method provided by the embodiment comprises the following steps of: when a first network of a dual-mode terminal stays in an idle state, continuously monitoring the strengths of all or partial pilot frequency channels in the first network; when the monitored strengths of all the pilot frequency channels are below a specified value, starting the pilot frequency monitoring timer; prior to the time-out of the pilot frequency monitoring timer, if the dual-mode terminal is tuned a second network, forbidding the dual-mode terminal to return a network loss indication before the dual-mode terminal is tuned from the second network back to the first network.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of improved dual-mode terminal pilot frequency management method and device.
Background technology
LTE (Long Term Evolution, Long Term Evolution) technology is as mainstream technology of future generation, more present world-leading CDMA (Code Division Multiple Access, code division multiple access) operator and HRPD (High Rate Packet Data, High Rate Packet Data) operator determines progressively to be upgraded to LTE from existing HRPD network.In the process of network upgrade, owing to there being simultaneously two kinds of networks of HRPD and LTE, LTE partial coverage wherein, HRPD covers fully, and some users need to carry out with the HRPD/LTE dual-mode terminal roaming of whole network.
For dual-mode terminal, when residing in a certain network and being in Idle state, can monitor constantly the intensity of all or part pilot channel in this network, and carry out following pilot tone bookkeeping:
During all lower than the value of pilot tone lower limit (PilotDrop) regulation, start pilot tone supervision timer (Pilot Supervision Timer) in the intensity of the pilot channel that monitors.If inner at pilot tone supervision timer official hour (PilotDropTimer), the value that the intensity of the pilot channel that monitors is all stipulated lower than PilotDrop always, return to network loss (NetworkLost) indication, and triggering enters this network state of recapture.If before the pilot tone supervision timer is overtime, the intensity of the pilot channel of supervision has the value over the PilotDrop regulation, resets and forbids this timer.
In realizing process of the present invention, the inventor studies discovery: when dual-mode terminal is in the first network Idle state, if second network Information Availability, need to monitor the signal strength signal intensity of second network, this for the dual-mode terminal that only has a receiver, mean terminal can with receiver be tuned to the second network pattern, and this moment, terminal can't monitor the intensity of the pilot channel of first network, thereby cause existing pilot tone bookkeeping mistake will occur.
Take the HRPD/LTE dual-mode terminal as example, as shown in Figure 1, if a certain moment T0, the pilot frequency intensity that dual-mode terminal monitors under HRPD network Idle state all lower than the value of PilotDrop, will start the pilot tone supervision timer; Before the pilot tone supervision timer is overtime, suppose at T1 constantly, dual-mode terminal be tuned to the LTE pattern, and the time that the hypothesis dual-mode terminal goes back to the HRPD pattern be after the overtime moment of current pilot supervision timer indication, namely after T0+PilotDropTimer.Because dual-mode terminal is tuned at the LTE pattern, the reason of the HRPD strength of pilot channels that can't upgrade in time, make before the pilot tone supervision timer is overtime, even there is the strength of pilot channels of HRPD to surpass PilotDrop, the pilot tone supervision timer still continues counting, until timer expiry, cause mistakenly dual-mode terminal to return to the NetworkLost indication, and trigger and to enter recapture HRPD network state, and in fact during from tuning time HRPD of LTE, do not need recapture HRPD network when dual-mode terminal.
Summary of the invention
For solving the wrong timeout issue that in existing dual-mode terminal pilot frequency bookkeeping, the pilot tone supervision timer may occur, embodiments of the invention provide a kind of improved dual-mode terminal pilot frequency management method and device.
A kind of improved dual-mode terminal pilot frequency management method that the embodiment of the present invention provides comprises:
When dual-mode terminal is in the first network Idle state, monitor constantly the intensity of all or part pilot channel in this first network; During all lower than the value of regulation, dual-mode terminal starts the pilot tone supervision timer when the intensity of the pilot channel that monitors;
Before the pilot tone supervision timer is overtime, if dual-mode terminal be tuned to second network, at dual-mode terminal before tuning time described first network of described second network, forbid that dual-mode terminal returns to the network loss indication.
Simultaneously, a kind of dual-mode terminal that the embodiment of the present invention provides comprises: monitor unit when being used for being in the first network Idle state, monitors the intensity of all or part pilot channel in this first network constantly; Timer start unit, the intensity that is used for the pilot channel that monitors when described monitor unit be during all lower than the value of regulation, startup pilot tone supervision timer; The network loss indication forbids returning the unit, be used for before the pilot tone supervision timer is overtime, if described dual-mode terminal be tuned to second network, at described dual-mode terminal before tuning time described first network of described second network, forbid that this dual-mode terminal returns to the network loss indication.
by the technical scheme of the invention described above embodiment as can be known, after dual-mode terminal starts the pilot tone supervision timer, if before the pilot tone supervision timer is overtime, dual-mode terminal be tuned to second network, by being increased in dual-mode terminal before tuning time described first network of described second network, forbid that dual-mode terminal returns to the bookkeeping of network loss indication, avoided because dual-mode terminal is tuned at second network, the reason of the first network strength of pilot channels that can't upgrade in time, and cause supervision timer still to continue counting, until timer expiry, thereby return to mistakenly the network loss indication, and trigger the unnecessary operation that dual-mode terminal enters recapture first network state.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is take the HRPD/LTE dual-mode terminal as example, the wrong schematic diagram that existing pilot tone bookkeeping may occur;
The schematic flow sheet of a kind of improved dual-mode terminal pilot frequency management method that Fig. 2 provides for the embodiment of the present invention;
Fig. 3 forms schematic diagram for the functional unit of a kind of dual-mode terminal that the embodiment of the present invention provides;
The network loss indication that Fig. 4 provides for the embodiment of the present invention forbids returning a kind of structural representation of unit.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
See also Fig. 2, a kind of improved dual-mode terminal pilot frequency management method that the embodiment of the present invention provides comprises:
When step 10, dual-mode terminal are in the first network Idle state, monitor constantly the intensity of all or part pilot channel in this first network.
Step 20, during all lower than the value of regulation, dual-mode terminal starts the pilot tone supervision timer when the intensity of the pilot channel that monitors.
Step 30, before the pilot tone supervision timer is overtime, if dual-mode terminal be tuned to second network, at dual-mode terminal before tuning time described first network of described second network, forbid that dual-mode terminal returns to the network loss indication.
Take the HRPD/LTE dual-mode terminal as example, when dual-mode terminal is in HRPD network Idle state, can constantly monitor in the HRPD network in Active Set the pilot frequency intensity that is in all pilot tones of same frequency in all pilot tones, Candidate Set in all pilot tones and Neighbor Set; Simultaneously, when if the LTE network information is available, dual-mode terminal also needs to monitor the signal strength signal intensity of LTE, and can arrive the LTE network in some moment gravity treatments in the situation that meet reselection conditions, and reselection conditions may comprise here: the priority of the quality of LTE signal and intensity, carrier frequency etc.If the quality of LTE signal or intensity do not reach the condition that gravity treatment requires, terminal can continue to reside in or return to back under the HRPD network.
the improved dual-mode terminal pilot frequency management method that the embodiment of the present invention provides, after dual-mode terminal starts the pilot tone supervision timer, before the pilot tone supervision timer is overtime, if dual-mode terminal be tuned to second network, by being increased in dual-mode terminal before tuning time described first network of described second network, forbid that dual-mode terminal returns to the bookkeeping of network loss indication, avoided because dual-mode terminal is tuned at second network, the reason of the first network strength of pilot channels that can't upgrade in time, and cause supervision timer still to continue counting, until timer expiry, thereby return to mistakenly the network loss indication, and trigger the unnecessary operation that dual-mode terminal enters recapture first network state.
For before the pilot tone supervision timer is overtime, if dual-mode terminal be tuned to second network, at dual-mode terminal before tuning time described first network of described second network, forbid that dual-mode terminal returns to the bookkeeping of network loss indication, the present invention has provided following several preferred embodiment:
Scheme one: operate described pilot tone supervision timer and suspend counting, and at dual-mode terminal after tuning time described first network of described second network, operate described pilot tone supervision timer and recovers to count.
Scheme two: reset and forbid described pilot tone supervision timer, and at dual-mode terminal after tuning time described first network of described second network, start this pilot tone supervision timer or do not do any operation.
Scheme three: return to network loss when indication at dual-mode terminal, this network loss indication of buffer memory, and at dual-mode terminal after tuning time described first network of described second network, then process this network loss indication;
Wherein, to the processing of the network loss of buffer memory indication can for, determine whether return to this network loss indication according to the intensity of the pilot channel of the current supervision of described first network: if the intensity of the pilot channel of the current supervision of described first network is all lower than the value of described regulation, return to this network loss indication, if the intensity of the pilot channel of the current supervision of described first network has the value that surpasses described regulation, do not return to this network loss indication.The processing of certainly network loss of buffer memory being indicated also can be for merely doing discard processing.
the improved dual-mode terminal pilot frequency management method that the embodiment of the present invention provides, the receiver of dual-mode terminal be tuned to during second network, if this moment, dual-mode terminal started the pilot tone supervision timer, by suspending the operation of pilot tone supervision timer, or reset and forbid the operation of pilot tone supervision timer, or when dual-mode terminal returns to the network loss indication, the operation of this network loss indication of buffer memory, prevent that dual-mode terminal from returning to the network loss indication mistakenly because of pilot tone supervision timer overtime, thereby trigger the unnecessary operation that dual-mode terminal enters recapture first network state.
need to prove, above-mentioned first network can be the HRPD network, above-mentioned second network can be the LTE network, wherein the LTE network portion covers, the HRPD complete network covers, difference due to two network coverages, so after the dual-mode terminal that can occur residing in the HRPD network under most scenes roams into the zone of the LTE network coverage, dual-mode terminal in idle condition can at a time gravity treatment arrive the LTE network in the situation that meet reselection conditions, and when the quality of LTE signal or intensity do not reach the condition that gravity treatment requires, dual-mode terminal can return to back under the HRPD network.
Based on the improved dual-mode terminal pilot frequency management method that the invention described above embodiment provides, the embodiment of the present invention also provides a kind of dual-mode terminal, sees also Fig. 3, comprising:
Monitor unit 31 when being used for being in the first network Idle state, monitors the intensity of all or part pilot channel in this first network constantly;
The network loss indication forbids returning unit 33, be used for before the pilot tone supervision timer is overtime, if described dual-mode terminal be tuned to second network, at described dual-mode terminal before tuning time described first network of described second network, forbid that this dual-mode terminal returns to the network loss indication.
See also Fig. 4, above-mentioned network loss indication is forbidden returning unit 33 and is comprised following arbitrary module:
Suspend module 331, be used for operating described pilot tone supervision timer and suspend counting, and at described dual-mode terminal after tuning time described first network of described second network, operate described pilot tone supervision timer and recovers to count;
Disabled module 332 is used for resetting and forbidding described pilot tone supervision timer, and at described dual-mode terminal after tuning time described first network of described second network, start described pilot tone supervision timer or do not do any operation;
Wherein, above-mentioned cache module 333 further can be used for, at described dual-mode terminal after tuning time described first network of described second network, determine whether return to this network loss indication according to the intensity of the pilot channel of the current supervision of described first network: if the intensity of the pilot channel of the current supervision of described first network is all lower than the value of described regulation, return to this network loss indication, if the intensity of the pilot channel of the current supervision of described first network has the value that surpasses described regulation, do not return to this network loss indication;
Perhaps, above-mentioned cache module 333 is further used for, and discard processing is merely done in this network loss indication of buffer memory.
the dual-mode terminal that the embodiment of the present invention provides, after timer start unit 32 starts the pilot tone supervision timer, before the pilot tone supervision timer is overtime, if dual-mode terminal be tuned to second network, by network loss indicate forbid returning unit 33 at dual-mode terminal before tuning time described first network of described second network, forbid that dual-mode terminal returns to the operation of network loss indication, particularly, can be to suspend the operation of pilot tone supervision timer by suspending module 331, or disabled module 332 resets and forbids the operation of pilot tone supervision timer, or cache module 333 is when dual-mode terminal returns to the network loss indication, the operation of this network loss indication of buffer memory, avoided because dual-mode terminal is tuned at second network, the reason of the first network strength of pilot channels that can't upgrade in time, and cause supervision timer still to continue counting, until timer expiry, thereby return to mistakenly the network loss indication, and trigger the unnecessary operation that dual-mode terminal enters recapture first network state.
Need to prove, described dual-mode terminal can be the HRPD/LTE dual-mode terminal.in the process of network upgrade, owing to there being simultaneously two kinds of networks of HRPD and LTE, LTE partial coverage wherein, HRPD covers fully, some users need to carry out the roaming of whole network with the HRPD/LTE dual-mode terminal, and the difference due to two network coverages, so after the dual-mode terminal that can occur residing in the HRPD network under most scenes roams into the zone of the LTE network coverage, dual-mode terminal in idle condition can at a time gravity treatment arrive the LTE network in the situation that meet reselection conditions, and when the quality of LTE signal or intensity do not reach the condition that gravity treatment requires, dual-mode terminal can return to back under the HRPD network.
Those skilled in the art can also recognize, unit and the performing step of each example of describing in conjunction with embodiment disclosed herein, can realize with electronic hardware, computer software or combination both, for the interchangeability of hardware and software clearly is described, composition and the step of each example described in general manner according to function in the above description.These functions are carried out with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Those skilled in the art can realize described function with distinct methods to each specific application, but this realization should not thought and exceeds scope of the present invention.
In conjunction with the method step that embodiment disclosed herein describes, can use the software module of hardware, processor execution, perhaps both combination is implemented.Software module can be placed in random asccess memory (RAM), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or the storage medium of other form arbitrarily.
Above-mentioned specific embodiment is not in order to limit the present invention; for those skilled in the art; under all prerequisites not breaking away from the principle of the invention, any modification of doing, be equal to replacement, improvement etc., within protection scope of the present invention all should be included in.
Claims (10)
1. an improved dual-mode terminal pilot frequency management method, is characterized in that, described method comprises:
When dual-mode terminal is in the first network Idle state, monitor constantly the intensity of all or part pilot channel in this first network;
During all lower than the value of regulation, dual-mode terminal starts the pilot tone supervision timer when the intensity of the pilot channel that monitors;
Before the pilot tone supervision timer is overtime, if dual-mode terminal be tuned to second network, at dual-mode terminal before tuning time described first network of described second network, forbid that dual-mode terminal returns to the network loss indication.
2. the method for claim 1, is characterized in that, and is described before the pilot tone supervision timer is overtime, if dual-mode terminal be tuned to second network, at dual-mode terminal before tuning time described first network of described second network, forbid that dual-mode terminal returns to the network loss indication, comprising:
Operate described pilot tone supervision timer and suspend counting, and at dual-mode terminal after tuning time described first network of described second network, operate described pilot tone supervision timer and recovers to count.
3. the method for claim 1, is characterized in that, and is described before the pilot tone supervision timer is overtime, if dual-mode terminal be tuned to second network, at dual-mode terminal before tuning time described first network of described second network, forbid that dual-mode terminal returns to the network loss indication, comprising:
Reset and forbid described pilot tone supervision timer, and at dual-mode terminal after tuning time described first network of described second network, start this pilot tone supervision timer or do not do any operation.
4. the method for claim 1, is characterized in that, and is described before the pilot tone supervision timer is overtime, if dual-mode terminal be tuned to second network, at dual-mode terminal before tuning time described first network of described second network, forbid that dual-mode terminal returns to the network loss indication, comprising:
Return to network loss when indication at dual-mode terminal, this network loss indication of buffer memory, and at dual-mode terminal after tuning time described first network of described second network, then process this network loss indication.
5. method as claimed in claim 4, is characterized in that, describedly processes the indication of this network loss again and be specially:
Determine whether return to this network loss indication according to the intensity of the pilot channel of the current supervision of described first network: if the intensity of the pilot channel of the current supervision of described first network is all lower than the value of described regulation, return to this network loss indication, if the intensity of the pilot channel of the current supervision of described first network has the value that surpasses described regulation, do not return to this network loss indication;
Perhaps, discard processing is merely done in this network loss indication of buffer memory.
6. method as described in claim 1 to 5 any one, is characterized in that, described first network is High Rate Packet Data HRPD network, and described second network is Long Term Evolution LTE network.
7. a dual-mode terminal, is characterized in that, comprising:
Monitor unit when being used for being in the first network Idle state, monitors the intensity of all or part pilot channel in this first network constantly;
Timer start unit, the intensity that is used for the pilot channel that monitors when described monitor unit be during all lower than the value of regulation, startup pilot tone supervision timer;
The network loss indication forbids returning the unit, be used for before the pilot tone supervision timer is overtime, if described dual-mode terminal be tuned to second network, at described dual-mode terminal before tuning time described first network of described second network, forbid that this dual-mode terminal returns to the network loss indication.
8. dual-mode terminal as claimed in claim 7, is characterized in that, described network loss indication is forbidden returning the unit and comprised following arbitrary module:
Suspend module, be used for operating described pilot tone supervision timer and suspend counting, and at described dual-mode terminal after tuning time described first network of described second network, operate described pilot tone supervision timer and recovers to count;
Disabled module is used for resetting and forbidding described pilot tone supervision timer, and at described dual-mode terminal after tuning time described first network of described second network, start described pilot tone supervision timer or do not do any operation;
Cache module is used for when described dual-mode terminal returns to the network loss indication, this network loss indication of buffer memory, and at described dual-mode terminal after tuning time described first network of described second network, then process this network loss indication.
9. dual-mode terminal as claimed in claim 8, it is characterized in that, described cache module is further used for, at described dual-mode terminal after tuning time described first network of described second network, determine whether return to this network loss indication according to the intensity of the pilot channel of the current supervision of described first network: if the intensity of the pilot channel of the current supervision of described first network is all lower than the value of described regulation, return to this network loss indication, if the intensity of the pilot channel of the current supervision of described first network has the value that surpasses described regulation, do not return to this network loss indication;
Perhaps, described cache module is further used for, and discard processing is merely done in this network loss indication of buffer memory.
10. dual-mode terminal as described in claim 7 to 9 any one, is characterized in that, described dual-mode terminal is the HRPD/LTE dual-mode terminal.
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| CN 200910176826 CN102026339B (en) | 2009-09-21 | 2009-09-21 | Improved dual-mode terminal pilot frequency management method and device |
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| CN 200910176826 CN102026339B (en) | 2009-09-21 | 2009-09-21 | Improved dual-mode terminal pilot frequency management method and device |
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| CN102026339A CN102026339A (en) | 2011-04-20 |
| CN102026339B true CN102026339B (en) | 2013-11-06 |
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| CN103716852A (en) * | 2014-01-03 | 2014-04-09 | 宇龙计算机通信科技(深圳)有限公司 | Terminal and data service quick recovery method |
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