CN101651911B - Location updating method as well as device and communication system thereof - Google Patents
Location updating method as well as device and communication system thereof Download PDFInfo
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- CN101651911B CN101651911B CN 200810212393 CN200810212393A CN101651911B CN 101651911 B CN101651911 B CN 101651911B CN 200810212393 CN200810212393 CN 200810212393 CN 200810212393 A CN200810212393 A CN 200810212393A CN 101651911 B CN101651911 B CN 101651911B
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Abstract
The embodiment of the invention discloses a location updating method as well as a device and a communication system thereof. The location updating method comprises the following steps: a mobile station obtains a fixed-length paging group identification bitmap; judges whether to move to a new paging group according to the fixed-length paging group identification bitmap; sends a location update request to a base station in case of moving to the new paging group; judges whether the paging group corresponding to the fixed-length paging group identification bitmap sends a page according to an obtained page indication bitmap; receives a page message in case the page is sent; and returns to an idle state in case no page is sent. In the embodiment, the sent paging group identification bitmap has a fixed length, which can facilitate the base station to reduce use of additional length to indicate the number of carried paging group identifications, and further reduce and control expenses. The page can be timely received as whether the paging group corresponding to the paging group identification bitmap sends any page is judged according to a page identification bitmap.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of location updating method, device and communication system.
Background technology
Development along with the communication technology, in order to follow the tracks of timely the travelling carriage (MobileStation of idle pulley, MS), be convenient to send timely beep-page message to the MS of idle pulley, there is number of mechanisms can allow the MS launch position upgrade, modal mechanism is based on the position renewal that paging group changes, the MS that namely is in idle mode state moves to new base station (Base Station, BS), if when finding that the paging group at new BS place and the BS that own last launch position upgrades do not belong to same paging group, then MS needs launch position to upgrade, and does registration in new paging group.
A paging group can comprise one or more BS, and a BS then can belong to respectively one or more paging group, and these can carry out the network planning and configuration by operator.When upper layer network is initiated paging, normally based on paging group the user is initiated paging.
After entering new BS, MS can at first carry out synchronously with new BS, then obtain the system parameters message of new BS, be dynamic content dispensing message in 802.16e, carry the paging group identification list at new BS place in the dynamic content dispensing message, can judge with this whether MS moves to new paging group.
In realizing process of the present invention, the inventor finds that there is following defective at least in technique scheme:
Because a BS may belong to a plurality of paging groups, if carry a plurality of paging group identification lists, then need extra length or quantity to indicate and carry several paging group signs, what each paging group sign is, increased control overhead.
Summary of the invention
The embodiment of the invention provides a kind of location updating method, device and communication system, and the technical scheme of using the embodiment of the invention to provide can make the base station send the paging group sign bitmap of regular length to travelling carriage, reduces control overhead.
The purpose of the embodiment of the invention is achieved through the following technical solutions:
A kind of location updating method comprises:
Travelling carriage obtains the paging group sign bitmap of the regular length of base station transmission;
Travelling carriage judges whether to move to new paging group according to the paging group sign bitmap of regular length;
When moving to new paging group, travelling carriage sends position updating request to the base station;
When not moving to new paging group, travelling carriage judges according to the paging indication bitmap that gets access to whether the paging group corresponding to paging group sign bitmap of regular length has paging to send;
If travelling carriage judges that according to paging indication bitmap the paging group corresponding to paging group sign bitmap of regular length has paging to send travelling carriage paging receiving message;
If travelling carriage judges that according to paging indication bitmap the paging group corresponding to paging group sign bitmap of regular length do not have paging to send, travelling carriage is got back to idle condition.
A kind of travelling carriage comprises:
The first acquiring unit is for the paging group sign bitmap of the regular length of obtaining the base station transmission;
Second acquisition unit is used for obtaining the paging indication bitmap that the base station sends;
Judging unit, the paging group sign bitmap that is used for the regular length obtained according to the first acquiring unit judges whether to move to new paging group;
Request transmitting unit is used for when judgment unit judges moves to new paging group, sends position updating request to the base station;
The paging judging unit is used for when judgment unit judges does not move to new paging group, judges according to the paging indication bitmap that second acquisition unit obtains whether the paging group corresponding to paging group sign bitmap of regular length has paging to send;
Paging receiving unit is used for when the paging group corresponding to paging group sign bitmap of paging judgment unit judges regular length has paging to send paging receiving message;
The state variation unit is used for getting back to idle condition when the paging group corresponding to paging group sign bitmap of paging judgment unit judges regular length do not have paging to send.
A kind of base station comprises:
The bitmap transmitting element is used for the paging group sign bitmap to travelling carriage transmission regular length;
The request receiving unit is used for receiving mobile and determines the position updating request that travelling carriage has sent when having moved to new paging group according to the paging group sign bitmap of regular length.
A kind of communication system comprises:
The base station, be used for sending to travelling carriage the paging group sign bitmap of regular length, receiving mobile is determined the position updating request that travelling carriage has sent when having moved to new paging group according to the paging group sign bitmap of regular length, sends paging sign bitmap to travelling carriage;
Travelling carriage is used for obtaining the paging group sign bitmap of the regular length that the base station sends, and judges whether to move to new paging group according to the paging group sign bitmap of regular length, when moving to new paging group, sends position updating request to the base station; When not moving to new paging group, whether paging group corresponding to paging group sign bitmap of judging regular length according to the paging indication bitmap that gets access to has paging to send, there is paging to send if judge the paging group corresponding to paging group sign bitmap of regular length according to paging indication bitmap, paging receiving message, do not have paging to send if judge the paging group corresponding to paging group sign bitmap of regular length according to paging indication bitmap, get back to idle condition.
Can find out from the above technical scheme that the embodiment of the invention provides, because the base station sends the paging group sign bitmap of regular length to travelling carriage, travelling carriage can identify bitmap according to paging group and judge whether to move to new paging group, when moving to new paging group, upgrade to the base station launch position, can reduce the base station and indicate with extra length and carry several paging groups sign, and then reduce control overhead.Owing to judging according to paging indication bitmap whether paging group corresponding to paging group sign bitmap has paging to send, can be when having paging to send paging receiving timely, and send paging by paging indication bitmap and indicate and can reduce control overhead.
Description of drawings
In order to be illustrated more clearly in the embodiment of the 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 the description of the Prior Art, apparently, accompanying drawing in the following describes only is 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 the flow chart of the location updating method of the embodiment of the invention one;
Fig. 2 is the flow chart of the location updating method of the embodiment of the invention two;
Fig. 3 is the signaling diagram of the location updating method of the embodiment of the invention three;
Fig. 4 is the structural representation of the paging group sign bitmap of the embodiment of the invention three;
Fig. 5 is a kind of paging group sign bitmap of the embodiment of the invention three and the structural representation of paging indication bitmap;
Fig. 6 is the structural representation that a kind of paging group of the embodiment of the invention three identifies the paging indication bitmap of bitmap and distance to go;
Fig. 7 is the signaling diagram of the location updating method of the embodiment of the invention four;
Fig. 8 is the structural representation of the paging group sign bitmap of the embodiment of the invention four;
Fig. 9 is a kind of paging group sign bitmap of the embodiment of the invention four and the structural representation of paging indication bitmap;
Figure 10 is the flow chart of the location updating method of the embodiment of the invention five;
Figure 11 is the compress bitmap of a kind of regular length of the embodiment of the invention;
Figure 12 is the composition schematic diagram of the base station one of the embodiment of the invention;
Figure 13 is the composition schematic diagram of the travelling carriage one of the embodiment of the invention;
Figure 14 is the unified composition frame chart of the communication system of the embodiment of the invention;
Figure 15 is the composition schematic diagram of the travelling carriage two of the embodiment of the invention;
Figure 16 is the composition frame chart of the communication system two of the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among 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.
The embodiment of the invention provides a kind of location updating method, device and communication system, and the technical scheme of using the embodiment of the invention to provide can make the base station send the paging group sign bitmap of regular length to travelling carriage, reduces control overhead.
Lower mask body is set forth the location updating method that the embodiment of the invention provides, and can make the base station send the paging group sign bitmap of regular length to travelling carriage by the method, reduces control overhead.
Embodiment one
The present embodiment is set forth location updating method take the base station as executive agent, is elaborated below in conjunction with accompanying drawing, and referring to Fig. 1, the method may further comprise the steps:
Step 101: the base station sends the paging group sign bitmap of regular length to travelling carriage;
Can there be following dual mode the base station to the paging group sign bitmap that travelling carriage sends regular length:
Complete paging group under base station sign is mapped in the bitmap of presetting length, is fixed the paging group sign bitmap of length, send the paging group sign bitmap of above-mentioned regular length to travelling carriage.
Perhaps, before the bitmap of presetting length, increase and preset figure place, the sign of the paging group under the base station is mapped to the bitmap of presetting length according to prerequisite, preset figure place corresponding with prerequisite, the paging group sign bitmap of the regular length that the bitmap that presets figure place and presetting length is formed sends to travelling carriage.
The mode that sends also can have several different forms, for example can be that the paging group sign bitmap with regular length carries out coded modulation, gives travelling carriage with the sign of the paging group after coded modulation bitmap by the superframe hair.
Can also to be the base station carry out combined coding with the paging group sign bitmap of regular length with system parameters to the mode that sends modulates, and the broadcast channel by the superframe head sends to travelling carriage.
Can also to be the base station carry out combined coding with the paging group sign bitmap of regular length with system parameters to the mode that sends modulates, and basic broadcast channel or additional broadcast channel by the superframe head send to travelling carriage.
Step 102: the base station receiving mobile is determined the position updating request that above-mentioned travelling carriage has sent when having moved to new paging group according to the paging group sign bitmap of above-mentioned regular length.
So far, the base station has received the position renewal that travelling carriage sends, in order to make follow-up better communication of base station and travelling carriage both sides, can also comprise a step: the base station sends to travelling carriage according to the position updating request complete paging group identification list that new paging group is corresponding.
The present embodiment base station can be reduced the base station and use extra Length Indication to carry several paging group signs, and then can reduce control overhead by sent the paging group sign bitmap of regular length to travelling carriage.Further, send the paging group sign bitmap of regular length by superframe head or superframe head broadcast channel, the transmission interval is little, can make travelling carriage find that in time paging group changes, thereby launch position upgrades timely, and receive dynamic content dispensing message because travelling carriage need not be opened receiver always, can save the energy of travelling carriage.
Embodiment one sets forth location updating method from base station side, and the below introduces a kind of embodiment that sets forth location updating method from mobile station side.
Embodiment two
The present embodiment is set forth location updating method take travelling carriage as executive agent, be elaborated below in conjunction with accompanying drawing, and referring to Fig. 2, the method may further comprise the steps:
Step 201: travelling carriage obtains the paging group sign bitmap of the regular length of base station transmission;
The method that travelling carriage obtains the paging group sign bitmap of regular length can have dual mode:
Travelling carriage obtains the paging group sign bitmap that the affiliated complete paging group in base station identifies one regular length in the bitmap that is mapped to presetting length.
Travelling carriage obtains by presetting figure place and according to prerequisite the paging group that the paging group under base station sign is mapped to the regular length that the bitmap of presetting length forms being identified bitmap, presets figure place before the bitmap of presetting length, and prerequisite is with to preset figure place corresponding.
The mode of the paging group sign bitmap of travelling carriage reception regular length is corresponding with the send mode among the embodiment one, repeats no more herein.
Step 202: travelling carriage judges whether to move to new paging group according to the paging group sign bitmap of above-mentioned regular length;
Step 203: when moving to new paging group, travelling carriage sends position updating request to the base station.
So far, travelling carriage launch position upgrades, and for follow-up both sides better communicate by letter, can also comprise a step: the complete paging group identification list corresponding with above-mentioned new paging group that travelling carriage receives that the base station sends.
The present embodiment travelling carriage is by obtaining the paging group sign bitmap of regular length, paging group sign bitmap according to regular length judges whether to move to new paging group, if moving to new paging group launch position upgrades, can reduce travelling carriage and use extra length paging receiving group sign, and then can reduce control overhead.Further, receive the paging group sign bitmap of regular length by superframe head or superframe head broadcast channel, the reception interval is little, travelling carriage can find timely that paging group changes, and then trigger position upgrades timely, and need not open receiver always and receive dynamic content dispensing message, can save the energy of travelling carriage.
Embodiment two is methods of upgrading from the position that mobile station side is set forth, and the below has provided corresponding embodiment according to the various combination form of paging group sign bitmap.
Embodiment three
The present embodiment is that the complete paging group under the base station is identified the method that the bit position in the bitmap that is mapped to presetting length upgrades, and is elaborated below in conjunction with accompanying drawing.Referring to Fig. 3, the method for the present embodiment may further comprise the steps:
Step 301: the sign of the complete paging group under the base station is mapped in the bitmap of presetting length, is fixed the paging group sign bitmap of length, send the paging group sign bitmap of regular length to travelling carriage;
For example, referring to Fig. 4, defining the bitmap of a fixed length, for example can be 16 bitmap, by certain mapping ruler, such as hashing algorithm, the complete paging group sign under the base station is mapped to a certain position of bitmap.Belong to paging group 5 such as a base station, 7, paging group 5 and 7 all is mapped to the 0th of bitmap, the bitmap of its transmission is ' 1000000000000000 ' so, namely need with paging group sign equal 5 and the paging group sign equal 7 corresponding figure places and put 1, i.e. the 0th position 1, if having done in paging group 1 originally, a travelling carriage moved to this base station after the position is upgraded, paging group 1 is mapped to the 1st of bitmap, travelling carriage can find according to known algorithm the figure place of paging group 1 correspondence so, namely the 1st, then travelling carriage is found the 1st position 0, represent that then this base station does not belong to paging group 1, so travelling carriage just immediately launch position upgrade because travelling carriage was judged paging group variation was occured this moment.
Above mapping ruler is that base station and travelling carriage are known, such as being the known mapping ruler that the whole network is unified or agreement is stipulated.Concrete mapping ruler can be hashing algorithm, such as a definition hash function y=f (x), wherein inputs x and be the paging group sign of base station, and the y figure place that to be paging group identify in the corresponding bitmap.Above-mentioned mapping ruler can also be modulo operation, such as y=xmod16, adopts this mapping ruler also can find paging group to identify figure place in the corresponding bitmap.
Base station definition paging indication bitmap, this paging indication bitmap is corresponding to the corresponding paging group in position of above-mentioned paging group sign bitmap mid-1, whether and identifying these paging groups has paging to send, referring to Fig. 5, for example a base station belongs to paging group 5,7, paging group 5 and 7 all is mapped to the 0th of paging group sign bitmap, the paging group of regular length sign bitmap is ' 1000000000000000 ' so, can paging indicate bitmap to be set to ' 1000000000000000 ', these paging groups that then represent the 0th correspondence have paging to send, be paging group 5 and 7, if paging group 5 has paging to send, a travelling carriage belongs to paging group 5, and according to the indication of paging indication bitmap, travelling carriage just should follow-uply go paging receiving message so.
Paging indication bitmap also can be set to distance to go, namely corresponding to ' 1 ' number in the paging group sign bitmap, namely has how many positions to be set to 1, sends for whether paging groups corresponding to ' 1 ' position have paging corresponding to these successively.Referring to Fig. 6, for example, paging group sign bitmap is ' 1010000000000000 ', can paging indicate bitmap to be set to ' 11 ', then first is ' 1 ' corresponding to the 0th in the paging group sign bitmap in the paging indication bitmap, and in the paging indication bitmap second ' 1 ' is corresponding to the 2nd in the paging group sign bitmap.If the paging group sign bitmap of base station definition is other situation, each implication of ' 1 ' by that analogy in the paging indication bitmap that arranges so.In the paging indication bitmap each can be set to 0 or be set to 1, being set to 1 paging group corresponding to expression has paging to need to send, travelling carriage needs follow-up continuation paging receiving message, and the paging group that is set to 0 this correspondence of expression does not have paging to send, and travelling carriage can keep idle condition.
Can be placed in the broadcast channel in the superframe head according to the good paging group of above rule definition sign bitmap and paging indication bitmap and to send, further, can be placed in basic broadcast channel or the additional broadcast channel and send.
Because it is short that the broadcast channel in the superframe head sends the cycle, so travelling carriage can receive this bitmap timely, thereby finds timely whether paging group changes, thereby can determine whether launch position upgrades.In addition, when travelling carriage has been judged paging group and has been changed, travelling carriage needn't be opened receiver and continue to wait for the paging group sign that comprises in the broadcast parameter that sends on the ordinary data channel, travelling carriage can power saving like this, simultaneously, because the length of bitmap is fixed, can not increase the complexity of broadcast channel design.
Step 302 is identical with step 102, repeats no more herein.
When travelling carriage is executive agent, also can realize said method, this moment is similar with embodiment two, repeats no more herein.
The present embodiment identifies bitmap by one paging group in the bitmap that sends the corresponding regular length of each paging group to travelling carriage, can reduce the base station and use extra Length Indication to carry several paging groups signs, and then can reduce control overhead.Further, send the paging group sign bitmap of regular length by superframe head or superframe head broadcast channel, the transmission interval is little, can make travelling carriage find that in time paging group changes, thereby trigger position upgrades timely, and receive dynamic content dispensing message because travelling carriage need not be opened receiver always, can save the energy of travelling carriage, also reduce as much as possible the expense of broadcast channel.
Further, because paging indication bitmap indicates whether that paging is arranged, can allow the timely paging receiving of travelling carriage.
Embodiment three has set forth the complete paging group under the base station has been identified the method that the bit position in the bitmap that is mapped to presetting length upgrades, the below sets forth a kind of increasing and presets figure place before the bitmap of presetting length, the paging group sign is mapped to the bitmap of presetting length according to prerequisite, with the method that realizes that the position is upgraded.
Embodiment four
The present embodiment increases before the bitmap of presetting length and presets figure place, the sign of the paging group under the base station is mapped to the bitmap of presetting length according to prerequisite, preset figure place corresponding with prerequisite, the paging group sign bitmap of the regular length that the bitmap that presets figure place and presetting length is formed sends to travelling carriage, with the method that realizes that the position is upgraded, be elaborated below in conjunction with accompanying drawing, referring to Fig. 7, the method for the present embodiment may further comprise the steps:
Step 501: before the bitmap of presetting length, increase and preset figure place, the sign of the paging group under the base station is mapped to the bitmap of presetting length according to prerequisite, preset figure place corresponding with prerequisite, the paging group sign bitmap of the regular length that the bitmap that presets figure place and presetting length is formed sends to travelling carriage;
If the chance that base station belongs to a plurality of paging groups simultaneously is little, even perhaps a base station belongs to a plurality of paging groups simultaneously, but the quantity of paging group also is limited several, therefore can adopt in the increase of the bitmap front of presetting length and preset figure place, the paging group under base station sign is mapped to the bitmap of presetting length according to prerequisite, the paging group sign bitmap of the regular length that the bitmap that presets figure place and presetting length is formed sends to travelling carriage.
For example, referring to Fig. 8, can be to increase by two in the bitmap front, to several combinations of two regulations of this increase, be 00 o'clock such as front two, what expression was carried later is a complete paging group sign, and this base station only belongs to a paging group; If front two is 01 o'clock, what then represent to carry later is two this base station belongs to two paging groups simultaneously through the paging groups sign of overcompression, wherein paging group sign through overcompression of per eight bit representations.Concrete compression algorithm can adopt certain mapping ruler, hashing algorithm for example, the paging group of sixteen bit sign hashed to the paging group sign after eight the compression, mapping ruler also can be exactly simple intercept operation, such as the high eight-bit that takes whole paging group sign or low eight.When front two was 11, then each paging group is corresponding one, and was identical with situation shown in Figure 4.
Base station definition paging indication bitmap, each in the paging indication bitmap is corresponding to the front two in the paging group sign bitmap.For example, referring to Fig. 9, when the front two of paging indication bitmap is 00, this moment, the paging group flag figure of regular length represented only to belong to a paging group, paging indication bitmap only has one so, whether paging group corresponding to expression paging group sign bitmap has paging to send, and namely this position is to represent that paging group corresponding to paging group sign bitmap do not have paging to send at 0 o'clock, and this position is to represent that paging group corresponding to paging group sign bitmap had paging to send at 1 o'clock; When the front two of paging group sign bitmap is 01, this moment, paging group flag figure represented to belong to simultaneously two paging groups, paging indication bitmap has two so, whether paging group corresponding to the first and second parts that represents respectively paging group sign bitmap has paging to send, be set at 0 o'clock and represent that paging group corresponding to paging group sign bitmap do not have paging to send, be set at 1 o'clock and represent that paging group corresponding to paging group sign bitmap has paging to send.If the front two of the paging group of base station definition sign bitmap is other situation, the figure place of the paging indication bitmap that arranges so and wherein each implication of ' 1 ' is by that analogy.
The base station will be put into broadcast channel according to the paging group sign bitmap of above rule assembling and paging indication bitmap and send, and also can adopt other send mode identical with embodiment one, repeat no more herein.
Step 502 is identical with step 102, repeats no more herein.
When travelling carriage is executive agent, also can realize said method, this moment is similar with embodiment two, repeats no more herein.
The present embodiment presets figure place by increasing before the bitmap of presetting length, the sign of the paging group under the base station is mapped to the bitmap of presetting length according to prerequisite, preset figure place corresponding with prerequisite, the paging group sign bitmap of the regular length that the bitmap that presets figure place and presetting length is formed sends to travelling carriage, can reduce the base station and use extra Length Indication to carry several paging group signs, and then can reduce control overhead.Further, send the paging group sign bitmap of regular length by superframe head or superframe head broadcast channel, the transmission interval is little, can make travelling carriage find that in time paging group changes, thereby trigger position upgrades timely, and receive dynamic content dispensing message because travelling carriage need not be opened receiver always, can save the energy of travelling carriage, also reduce as much as possible the expense of broadcast channel.Simultaneously, the different paging group of minimizing that can also be suitable is mapped to the situation of the identical figure place of paging group sign bitmap, and the present embodiment can carry more figure place and come corresponding paging group.
Further, because paging indication bitmap indicates whether that paging is arranged, can allow the timely paging receiving of travelling carriage.
The paging indication bitmap of setting forth among the embodiment four is elongated, and the below sets forth the embodiment that travelling carriage receives a kind of compress bitmap of the regular length that comprises paging group sign bitmap and paging indication bitmap.
Embodiment five
The present embodiment is set forth after a kind of travelling carriage receives paging group sign bitmap, judge according to paging group sign bitmap whether paging group changes, send change if judge paging group, then launch position upgrades, if judge that paging group does not change, has then judged whether beep-page message according to the paging indication bitmap that receives, if beep-page message is arranged, then continue to receive follow-up beep-page message, if there is not beep-page message, travelling carriage is directly return idle condition.
At first, travelling carriage judges according to the paging group sign bitmap that receives whether paging group sends change, if paging group changes, handling process is with the step 203 among the embodiment two, if paging group does not send change, then judges according to the paging indication bitmap that receives whether corresponding paging group has paging to send, if there is paging to send, then travelling carriage continues to receive follow-up beep-page message, otherwise travelling carriage is directly return idle condition.
Referring to Figure 10, the method may further comprise the steps:
Step 1: travelling carriage obtains the paging group sign bitmap of regular length;
Step 2: travelling carriage judges whether to move to new paging group according to the paging group sign bitmap of regular length;
Step 3: when the travelling carriage judgement moves to new paging group, send position updating request to the base station;
Step 4: when the travelling carriage judgement does not move to new paging group, judge according to the paging indication bitmap that gets access to whether the paging group corresponding to paging group sign bitmap of regular length has paging to send;
Step 5: if travelling carriage judges that according to paging indication bitmap the paging group corresponding to paging group sign bitmap of regular length has paging to send travelling carriage paging receiving message;
Step 6: if travelling carriage judges that according to paging indication bitmap the paging group corresponding to paging group sign bitmap of regular length do not have paging to send, travelling carriage is got back to idle condition.
The paging group indication bitmap that receives can be the regular length of separating with paging group sign bitmap or the bitmap of variation length, paging indication bitmap can be the corresponding paging group in position corresponding to paging group sign bitmap mid-1, also can be corresponding to ' 1 ' number in the paging group sign bitmap, can also be corresponding to the front two in the paging group sign bitmap, draw in the paging group sign bitmap according to prerequisite corresponding to front two and include the length that several paging groups are determined paging indication bitmap.
The paging indication bitmap that receives also can be the compress bitmap that identifies the regular length of bitmap composition with paging group, referring to Figure 11, the compress bitmap of regular length is divided into three parts, first is the front two of this compress bitmap, several combinations of these two regulations, be used for representing that it carries later is several paging groups signs, and second portion is the paging group sign bitmap of compression, this part length changes, according to the indication of first, for example, when first is 00, the paging group sign bitmap of compression is 15, and when first was 01, the paging group of compression sign bitmap was 14, and each 7 of front and back, represent two paging groups, when first is other form, the length of the paging group of compression sign bitmap the like.Third part is paging indication bitmap, this part also is to indicate according to first, length also can change, for example when first is 00, paging indication bitmap only has one, when first was 01, paging indication bitmap had two, and whether the paging group corresponding to paging group sign bitmap of expression second portion has paging to send.
For example, when first was 00, the expression base station only belonged to a paging group, and then 15 paging group flag figure represents the paging group that the base station is affiliated, and one paging indicating bit figure represents whether corresponding this paging group has paging to send; When first is 10, represent that then the base station belongs to 4 paging groups, 3 three paging group flag figure represents the paging group under the base station, and 4 paging indication bitmap corresponds respectively to this 4 paging groups, and whether the paging group under the expression has paging to send respectively.
Length according to the new compress bitmap of this rule assembling is fixed, and also can allow the timely paging receiving of travelling carriage, has reduced sending the expense of paging indication, and more has been easy to design.
Lower mask body is set forth the relevant apparatus that the embodiment of the invention provides.
Referring to Figure 12, a kind of base station comprises:
Bitmap transmitting element 701 is used for the paging group sign bitmap to travelling carriage transmission regular length;
Above-mentioned base station can also comprise: the tabulation transmitting element is used for sending to travelling carriage according to the position updating request complete paging group identification list that new paging group is corresponding that request receiving unit 702 receives.
Above-mentioned base station also comprises: paging indication bitmap transmitting element is used for sending paging indication bitmap to travelling carriage.
Above-mentioned base station can be used for realizing location updating method, but be not limited to realize the method.
Referring to Figure 13, a kind of travelling carriage comprises:
Acquiring unit 801 is for the paging group sign bitmap of the regular length of obtaining the base station transmission;
Judging unit 802, the paging group sign bitmap that is used for the regular length obtained according to acquiring unit 801 judges whether to move to new paging group;
Above-mentioned travelling carriage can also comprise: tabulation receiving element, the complete paging group identification list corresponding with above-mentioned new paging group that be used for to receive that the base station sends.
Above-mentioned tabulation receiving element is that travelling carriage passes through to receive complete paging group identification list after request transmitting unit 803 sends position updating request to the base station.
Above-mentioned travelling carriage can be used for realizing location updating method, but be not limited to realize the method.
The above has set forth relevant apparatus, and the below sets forth a kind of communication system.
Referring to Figure 14, a kind of communication system comprises:
Travelling carriage 902 is used for obtaining the paging group sign bitmap of the regular length that base station 901 sends, and judges whether to move to new paging group according to the paging group sign bitmap of regular length, if move to new paging group, 901 send position updating request to the base station.
Referring to Figure 15, a kind of travelling carriage comprises:
The first acquiring unit 151 is for the paging group sign bitmap of the regular length of obtaining the base station transmission;
Judging unit 153, the paging group sign bitmap that is used for the regular length obtained according to the first acquiring unit 151 judges whether to move to new paging group;
Paging judging unit 155 is used for when judging unit 153 judgements do not move to new paging group, judges according to the paging indication bitmap that second acquisition unit 152 obtains whether the paging group corresponding to paging group sign bitmap of regular length has paging to send;
Paging receiving unit 156 is used for when paging judging unit 155 judges that the paging group corresponding to paging group sign bitmap of regular length has paging to send paging receiving message;
Wherein, the first acquiring unit 151 and second acquisition unit 152 unifications, the first acquiring unit 151 is used for obtaining the compress bitmap of regular length, above-mentioned compress bitmap comprise preset figure place, according to paging group sign bitmap and the paging indication bitmap corresponding with presetting figure place of the compression of prerequisite mapping, above-mentioned prerequisite is with above-mentioned to preset figure place corresponding.
Wherein, above-mentioned travelling carriage also comprises: the tabulation receiving element is used for receiving the corresponding complete paging group identification list of new paging group.
Referring to Figure 16, a kind of communication system comprises:
Travelling carriage 162 is used for obtaining the paging group sign bitmap of the regular length that base station 161 sends, and judges whether to move to new paging group according to the paging group sign bitmap of regular length, and when moving to new paging group, 161 send position updating request to the base station; When not moving to new paging group, whether paging group corresponding to paging group sign bitmap of judging regular length according to the paging indication bitmap that gets access to has paging to send, there is paging to send if judge the paging group corresponding to paging group sign bitmap of regular length according to paging indication bitmap, paging receiving message, do not have paging to send if judge the paging group corresponding to paging group sign bitmap of regular length according to paging indication bitmap, get back to idle condition.
The embodiment of the invention is owing to the paging group sign bitmap lengths that sends is fixed, and the length of above-mentioned paging group sign bitmap is short with respect to the paging group identification list of prior art, can reduce the base station and indicate with extra length and carry several paging groups sign, and then can reduce control overhead.Can obtain paging sign bitmap, judge whether paging according to paging sign bitmap, timely paging receiving when paging is arranged.
Further, because travelling carriage need not be opened receiver and wait for the paging group identification list that carries in the reception dynamic content dispensing message always, just can judge by the paging group sign bitmap that receives the regular length that the base station sends whether paging group changes, and can save the energy of travelling carriage.
Further, the paging group of regular length sign bitmap is sent in the basic broadcast channel of superframe head and additional broadcast channel, and the transmission cycle is short, so that travelling carriage paging receiving group sign bitmap timely, whether change in order in time find paging group, and then launch position upgrades.
One of ordinary skill in the art will appreciate that all or part of step that realizes in above-described embodiment method is to come the relevant hardware of instruction to finish by program, described program can be stored in a kind of computer-readable recording medium, this program comprises the steps: when carrying out
Travelling carriage obtains the paging group sign bitmap of the regular length of base station transmission;
Travelling carriage judges whether to move to new paging group according to the paging group sign bitmap of regular length;
When moving to new paging group, travelling carriage sends position updating request to the base station;
When not moving to new paging group, travelling carriage judges according to the paging indication bitmap that gets access to whether the paging group corresponding to paging group sign bitmap of regular length has paging to send;
If travelling carriage judges that according to paging indication bitmap the paging group corresponding to paging group sign bitmap of regular length has paging to send travelling carriage paging receiving message;
If travelling carriage judges that according to paging indication bitmap the paging group corresponding to paging group sign bitmap of regular length do not have paging to send, travelling carriage is got back to idle condition.
The above-mentioned storage medium of mentioning can be read-only memory, disk or CD etc.
Above a kind of location updating method, device and the communication system that the embodiment of the invention is provided is described in detail, and the explanation of above embodiment just is used for helping to understand method of the present invention and thought thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (17)
1. a location updating method is characterized in that, comprising:
Travelling carriage obtains the paging group sign bitmap of the regular length of base station transmission;
Travelling carriage judges whether to move to new paging group according to the paging group sign bitmap of described regular length;
When moving to new paging group, travelling carriage sends position updating request to described base station;
When not moving to new paging group, travelling carriage judges according to the paging indication bitmap that gets access to whether the paging group corresponding to paging group sign bitmap of described regular length has paging to send;
If travelling carriage judges that according to paging indication bitmap the paging group corresponding to paging group sign bitmap of described regular length has paging to send travelling carriage paging receiving message;
If travelling carriage judges that according to paging indication bitmap the paging group corresponding to paging group sign bitmap of described regular length do not have paging to send, travelling carriage is got back to idle condition.
2. location updating method according to claim 1 is characterized in that, the paging group sign bitmap of described regular length is the paging group sign bitmap that the complete paging group under the base station identifies one regular length in the bitmap that is mapped to presetting length.
3. location updating method according to claim 1, it is characterized in that, the paging group sign bitmap that the paging group sign bitmap of described regular length is served as reasons and preset figure place and the paging group under the base station is identified the regular length of the bitmap composition that is mapped to presetting length according to prerequisite, the described figure place that presets is before the bitmap of described presetting length, and described prerequisite is with described to preset figure place corresponding.
4. location updating method according to claim 3 is characterized in that, the described paging indication bitmap that travelling carriage gets access to is with described to preset figure place corresponding.
5. location updating method according to claim 1 is characterized in that, the step that described travelling carriage obtains the paging group sign bitmap of the regular length that the base station sends is specially:
Travelling carriage obtains the compress bitmap of regular length, described compress bitmap comprise preset figure place, according to paging group sign bitmap and the paging indication bitmap corresponding with presetting figure place of the compression of prerequisite mapping, described prerequisite is with described to preset figure place corresponding.
6. location updating method according to claim 1 is characterized in that, the described paging indication bitmap that travelling carriage gets access to is corresponding with the corresponding paging group in position of the paging group sign bitmap mid-1 of described regular length.
7. location updating method according to claim 1 is characterized in that, the length of the described paging indication bitmap that travelling carriage gets access to is corresponding with the number of the paging group sign bitmap mid-1 of described regular length.
8. according to claim 1 to 7 each described location updating methods, it is characterized in that, described travelling carriage judges that according to the paging indication bitmap that gets access to the step whether paging group corresponding to paging group sign bitmap of described regular length has paging to send is specially:
If the figure place of described paging indication bitmap is set to 1, then paging group corresponding to the paging group of described regular length sign bitmap has paging to send, if the figure place of described paging indication bitmap is set to 0, then paging group corresponding to the paging group of described regular length sign bitmap do not have paging to send.
9. according to claim 1 to 7 each described location updating methods, it is characterized in that, further comprise: travelling carriage receives the corresponding complete paging group identification list of described new paging group.
10. according to claim 1 to 7 each described location updating methods, it is characterized in that, the step that described travelling carriage obtains the paging group sign bitmap of the regular length that the base station sends is specially:
Arbitrary in the basic broadcast channel of the broadcast channel of travelling carriage by superframe head, superframe head, superframe head and the additional broadcast channel obtains the paging group sign bitmap of the regular length that the base station sends.
11. to 7 each described location updating methods, it is characterized in that according to claim 1, travelling carriage obtains described paging indication bitmap and is specially:
Arbitrary in the basic broadcast channel of the broadcast channel of travelling carriage by superframe head, superframe head, superframe head and the additional broadcast channel obtains described paging indication bitmap.
12. a travelling carriage is characterized in that, comprising:
The first acquiring unit is for the paging group sign bitmap of the regular length of obtaining the base station transmission;
Second acquisition unit is used for obtaining the paging indication bitmap that the base station sends;
Judging unit, the paging group sign bitmap that is used for the described regular length obtained according to described the first acquiring unit judges whether to move to new paging group;
Request transmitting unit is used for sending position updating request to described base station when described judgment unit judges moves to new paging group;
The paging judging unit, be used for when described judgment unit judges does not move to new paging group, judge according to the described paging indication bitmap that described second acquisition unit obtains whether the paging group corresponding to paging group sign bitmap of described regular length has paging to send;
Paging receiving unit is used for when the paging group corresponding to paging group sign bitmap of the described regular length of described paging judgment unit judges has paging to send paging receiving message;
The state variation unit is used for getting back to idle condition when the paging group corresponding to paging group sign bitmap of the described regular length of described paging judgment unit judges do not have paging to send.
13. travelling carriage according to claim 12, it is characterized in that, described the first acquiring unit and the unification of described second acquisition unit, described the first acquiring unit is used for obtaining the compress bitmap of regular length, described compress bitmap comprise preset figure place, according to paging group sign bitmap and the paging indication bitmap corresponding with presetting figure place of the compression of prerequisite mapping, described prerequisite is with described to preset figure place corresponding.
14. according to claim 12 or 13 described travelling carriages, it is characterized in that, also comprise:
The tabulation receiving element is used for receiving the corresponding complete paging group identification list of described new paging group.
15. a base station is characterized in that, comprising:
The bitmap transmitting element is used for the paging group sign bitmap to travelling carriage transmission regular length;
The request receiving unit is used for receiving mobile and determines the position updating request that described travelling carriage has sent when having moved to new paging group according to the paging group sign bitmap of described regular length;
Paging indication bitmap transmitting element is used for sending paging indication bitmap to travelling carriage, and described paging indication bitmap is used for judging whether paging group corresponding to paging group sign bitmap has paging to send.
16. base station according to claim 15 is characterized in that, also comprises:
The tabulation transmitting element is used for sending the corresponding complete paging group identification list of described new paging group to travelling carriage.
17. a communication system is characterized in that, comprising:
The base station, be used for sending to travelling carriage the paging group sign bitmap of regular length, receiving mobile is determined the position updating request that described travelling carriage has sent when having moved to new paging group according to the paging group sign bitmap of described regular length, sends paging indication bitmap to travelling carriage;
Travelling carriage, paging group sign bitmap for the regular length of obtaining the transmission of described base station, paging group sign bitmap according to described regular length judges whether to move to new paging group, when moving to new paging group, sends position updating request to described base station; When not moving to new paging group, judge according to the described paging indication bitmap that gets access to whether the paging group corresponding to paging group sign bitmap of described regular length has paging to send, there is paging to send if judge the paging group corresponding to paging group sign bitmap of described regular length according to paging indication bitmap, paging receiving message, do not have paging to send if judge the paging group corresponding to paging group sign bitmap of described regular length according to paging indication bitmap, get back to idle condition.
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|---|---|---|---|
| CN 200810212393 CN101651911B (en) | 2008-08-14 | 2008-09-11 | Location updating method as well as device and communication system thereof |
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|---|---|---|---|
| CN200810146261.9 | 2008-08-14 | ||
| CN200810146261 | 2008-08-14 | ||
| CN 200810212393 CN101651911B (en) | 2008-08-14 | 2008-09-11 | Location updating method as well as device and communication system thereof |
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| CN101651911A CN101651911A (en) | 2010-02-17 |
| CN101651911B true CN101651911B (en) | 2013-01-02 |
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| CN109429174B (en) * | 2017-07-17 | 2021-05-25 | 维沃移动通信有限公司 | Paging method, terminal, base station and network control node |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1356818A (en) * | 2000-11-30 | 2002-07-03 | Lg电子株式会社 | Method for transmitting page message in mobile communication system |
| CN1980466A (en) * | 2005-12-07 | 2007-06-13 | 华为技术有限公司 | Paying group network and terminal place renewing method |
| CN101128027A (en) * | 2006-08-17 | 2008-02-20 | 北京三星通信技术研究有限公司 | Device and method for transmitting paging information |
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2008
- 2008-09-11 CN CN 200810212393 patent/CN101651911B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1356818A (en) * | 2000-11-30 | 2002-07-03 | Lg电子株式会社 | Method for transmitting page message in mobile communication system |
| CN1980466A (en) * | 2005-12-07 | 2007-06-13 | 华为技术有限公司 | Paying group network and terminal place renewing method |
| CN101128027A (en) * | 2006-08-17 | 2008-02-20 | 北京三星通信技术研究有限公司 | Device and method for transmitting paging information |
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