CN101123742B - A method, device and system for realizing paging in a wireless communication system - Google Patents

A method, device and system for realizing paging in a wireless communication system Download PDF

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CN101123742B
CN101123742B CN200610109576A CN200610109576A CN101123742B CN 101123742 B CN101123742 B CN 101123742B CN 200610109576 A CN200610109576 A CN 200610109576A CN 200610109576 A CN200610109576 A CN 200610109576A CN 101123742 B CN101123742 B CN 101123742B
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paging
same
subgroup
information
wireless communication
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CN101123742A (en
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刘珏君
汪璇
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/02—Arrangements for increasing efficiency of notification or paging channel

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Abstract

本发明涉及通信技术领域中一种无线通信系统中寻呼实现的方法、装置及系统。所述方法包括：将一个寻呼区划分为至少两个群组，再将所述群组划分为至少两个子群组；广播群组及子群组的系统参数消息；在不同的子群组间采用空时或空频发送分集形式广播寻呼信息；终端根据系统广播的信息确定接收方式及进行信道估计，来接收寻呼。本发明对同一寻呼区域下同一寻呼群组的扇区做了进一步的划分，使得各扇区间寻呼信道可以软合并和/或得到发射分集增益，进一步提升了寻呼信道的性能，特别是对于处于小区边界的用户。本发明在某些空时/频发送形式时对各寻呼子群组的导频设计，使得终端能够准确对各寻呼子群组前向信道做信道估计。

Figure 200610109576

The invention relates to a method, device and system for realizing paging in a wireless communication system in the technical field of communication. The method includes: dividing a paging area into at least two groups, and then dividing the group into at least two subgroups; broadcasting system parameter messages of the group and the subgroup; Space-time or space-frequency transmission diversity is used to broadcast paging information; the terminal determines the receiving mode and performs channel estimation according to the information broadcast by the system to receive paging. The present invention further divides the sectors of the same paging group under the same paging area, so that the paging channels between the sectors can be combined softly and/or obtain transmit diversity gain, which further improves the performance of the paging channel, especially is for users at the cell boundary. The present invention designs the pilot frequency of each paging subgroup in certain space-time/frequency transmission forms, so that the terminal can accurately perform channel estimation on the forward channel of each paging subgroup.

Figure 200610109576

Description

The method of achieving paging, Apparatus and system in a kind of wireless communication system
Technical field
The present invention relates to the optical-fiber network communication technique field, relate in particular to method, the Apparatus and system of achieving paging in a kind of wireless communication system.
Background technology
In the wireless telecommunication system, each user is connected with network side by wireless channel.For the user in the wireless system, can be divided into activated state user and Idle state user according to state of user, activated state user be just connecting system or connecting system carrying out professional user, the Idle state user is a connecting system not as yet, is in the user of listen phase.
Communication traffic is divided from the initiator, is divided into calling subscriber and called subscriber, and wherein the called subscriber initiates by paging in wireless telecommunications.For power saving, Idle state or the periodic monitoring seek channel of part activated state user, which user of sign is by system's paging in paging channel, and such user receives and can know after the paging and self called out by network side, thereby handles accordingly.
Quick Paging is a paging indication that increases in order further to save the electrical source consumption of terminal, because network side is each paging is not constantly always arranged, therefore do not need the moment of user's monitoring seek channel to wake the user up and monitor paging and tend to the power consumption that causes the user invalid at some.Whether therefore increase quick paging channel, indicate next constantly to have the user paged, the user only just removes monitoring seek channel after receiving the Quick Paging indication.Quick Paging indication can also can be at one group of user at a user, or even all resident users under sub-district.Paging channel is a broadcast channel in a sector generally, and all users can receive or send.
Because the user moves often in the wireless communication system, network side does not generally need to know user's accurate position, network side is divided into several bands of position according to network load with wireless network, it is paging domain, the user moves when causing position change can find automatically whether the lane place changes, if change then initiate registration, inform the residing band of position of network side user to network side.Network side only sends in user's present located lane place (a group sub-district) when this user sends paging at needs, can control the user by the size that changes the band of position and register the expense of bringing because of the user that band of position change causes.
If the signal of different sectors adopts identical form to send on identical sub carrier group, can accomplish merging naturally of signal, thereby promote the signal to noise ratio that receives greatly.Wherein, OFDM (OFDM) is owing to have good ability of anti-multipath, thereby is used widely in mobile system, and ofdm system is fit to the application of soft merging very much simultaneously.
The user does not often need to monitor each paging channel constantly in the Quick Paging, therefore in wireless telecommunication system for each user is provided with a paging cycle, user is at the one's own paging cycle monitoring seek channel of waking up.The moment randomization of network side by the user is waken up reaches the equally distributed purpose of paging load.
The Quick Paging scheme that paging channel Qualcomm based on OFDM commonly used at present proposes in 802.20 is as described below:
802.20 the paging mechanism of system is, per two superframes are sent out beep-page message one time, at superframeindex (superframe sequence number) is the upward transmission of pBCH1 (primarybroadcast channel 1 main broadcast channel 1) of the superframe Preamble (prefix) of odd number, and the structure of superframe Preamble as shown in Figure 7.
Figure G061A9576720060817D000021
Shown in being constructed as follows of each field of pBCH1 and message blocks: wherein topmost is QuickPageblock and QuickChannelInfo block, and wherein beep-page message sends in QuickPage block.
LoadControl 2
DataCtrlOffset 4
ACKCtrlOffset 4
BlockType0 2
QuickPage block 0 or N QP_BLK
QuickChannelInfo block 0 or as specified by Overhead Messages Protocol
BlockType1
0 or 2
QuickPage block 0 or N QP_BLK
QuickChannelInfo block 0 or as specified by Overhead Messages Protocol
BlockType2
0 or 2
QuickPage block 0 or N QP_BLK
QuickChannelInfo block 0 or as specified by Overhead Messages Protocol
BlockType3
0 or 2
QuickPage block 0 or N QP_BLK
QuickChannelInfo block 0 or as specified by Overhead Messages Protocol
Reserved Variable
The mode that sends paging can be divided into two kinds: a step paging and two step pagings.The mode of paging is determined by the NumPages field of the 3bit of QuickPage block.If NumPages=0, then expression does not have beep-page message, and the paging content is filled by 0, so QuickPage block will be left in the basket.If NumPages=1, then expression has 1 beep-page message, and comprises the UATI of 32bit in the message, and shown in following table one, the paging of this mode is called a step paging.
The territory Length (bit) Value
The Quick Paging number 3 1
User ID 32 A complete user ATI content
Reserve bytes Undefined
For situation,, be depicted as the situation of 2 pagings as following table two if 2＜=NumPages＜=8 are then represented 2-8 Quick Pagings respectively more than 1 paging.Along with paged user organizes the increase of number, the Quick Paging number can increase, and under the constant situation of total length, the bit number that every group of user can be placed in the Quick Paging can reduce.
Field Length(bits) .
The territory Length (bit) Value
The Quick Paging number 3 2
User ID 16 One group of ATI that hangs down the identical user of 16bit
User ID 16 One group of ATI that hangs down the identical user of 16bit
Reserve bytes Undefined
If satisfy: low 4 bit of the RQuickPage of AT (terminal) (Quick Paging field) and any one the RQuickPage field in the message are complementary, and then produce QuickPageReceived (paging reception) indication.
RQuickPage generates by a SessionSeed (session seed) and a cover algorithm, and each AT has and own unique corresponding RQuickPage.Beep-page message is to send on the superframe of odd number at superframe index.If among the QuickPage block zero bar paging is arranged, then the user of all monitoring pagings ignores this message.If among the QuickPage block paging is only arranged, then monitoring the UATI (user identification code) that deposits among the public data (common data) of user with Address Management Protocol (address administration agreement) among ATI field in the beep-page message and the AT of paging is complementary, after if coupling goes up, then produce a ControlChannelMAC.PageReceived indication (control channel MAC paging receives indication) primitive, and change the Access State (access state) of Idle State Protocol (idle state protocol) over to, and beginning random access procedure.If have more than a paging among the QuickPage block, after then all AT read complete UATI to the corresponding corresponding resource of F-DCH, then the UATI that deposits among the public data with Address Management Protocol among each complete UATI field in the beep-page message and the AT is complementary, after if coupling goes up, then produce a ForwardTrafficChannelMAC.PageReceived indication (forward traffic channel MAC paging receives indication) primitive, and change the Access State of Idle State Protocol over to, and beginning random access procedure.
Such scheme can significantly reduce the invalid number of users that wakes up.Beep-page message among the pBCH1 is broadcasted at the user under the same sector, can't do soft merging between the different sectors, so performance fails to be improved.
Problem at above-mentioned prior art one existence, prior art two has proposed the method that paging channel in same paging zone adopts same form and takies same channel radio, make the paging channel between each sub-district softly to merge, thereby promote the performance of paging channel.The specific implementation process referring to Chinese patent application number be 200610071235.5, name is called the patent application of " method of paging in a kind of wireless communication system ".
The paging channel of prior art two in same paging zone adopts same form and takies the method for same channel radio, makes that the paging channel between each sub-district can softly merge, but do not obtain diversity gain that paging performance can not be further enhanced.
Summary of the invention
The object of the present invention is to provide method, the Apparatus and system of achieving paging in a kind of wireless communication system.
The objective of the invention is to be achieved through the following technical solutions:
The method of achieving paging in a kind of wireless communication system comprises:
A, a paging zone is divided at least two groups, again each group is divided at least two subgroup, the sector in each group all is in a certain subgroup;
The system parameter message of B, broadcasting group and subgroup;
C, between different subgroup, adopt when empty or the space-frequency diversity form is united the transmission paging information, and soft folding is adopted in all sectors in same subgroup or sub-district.
Described method also comprises:
D, terminal are determined receive mode and are carried out channel estimating, paging receiving according to system parameters.
Comprise the different sectors in the same sub-district in the described subgroup, or comprise the different sectors in a plurality of sub-districts.
The information of broadcasting among the described step B specifically comprise following any one or a plurality of:
Sector, general scrambling code information, pilot tone sending mode, orthogonal sequence assignation information that group/subgroup sign, subgroup comprise.
Described step B further comprises:
The channel resource information that the mode that adopts broadcasting or make an appointment notifies paging terminal to take.
Described method further comprises:
The sector pilot tone of the different subgroup under the same group adopts different time-frequency sending modes, sends or different frequency transmissions in the different time, and the position of frequency pilot sign is the phase non-overlapping copies on time domain or frequency domain; Or,
The sector pilot tone same frequency sending at the same time of the different subgroup under the same group adopts orthogonal code to modulate.
Described all sectors or sub-district in same subgroup adopts soft folding to comprise:
Adopt same channel resource and the identical beep-page message of identical scrambler broadcasting, the paging information DIRECT ENERGY merges; Or,
Adopt the identical paging information of different scrambling codes broadcasting, carry out high specific and merge reception.
When adopting space-time/space-frequency, described method further comprises:
Divisional processing when paging is done in certain period, sends identical beep-page message in same group, make the channel of each sector or sub-district can carry out soft merging reception; In following a period of time, adopt soft merging to carry out paging with the method that the transmission diversity combines.
The device of achieving paging in a kind of wireless communication system comprises:
The paging zone grouping module is used for paging zone is divided at least two groups, and each group is divided at least two subgroup;
Diversity transmission management and control module is used to control each subgroup and adopts when empty or empty form of code diversity frequently sends paging information to user terminal;
Soft merging transmission management and control module, all sectors or the sub-district that are used to control in the same subgroup send identical beep-page message to receiving terminal.
Described device also comprises:
The group information administration module is used for storage and broadcasting group and subgroup information.
Described device is arranged at the wireless communication system network side.
The device that paging receives in a kind of wireless communication system comprises:
Memory module: be used for stores system parameters information and data;
Diversity reception processing module: be used to control the beep-page message of different subgroup is united the reception processing;
Merge receiving processing module: the beep-page message that is used to control same subgroup carries out soft merging reception processing.
Described device is arranged at user side.
The system of achieving paging in a kind of wireless communication system, described system comprises: achieving paging device and paging receiving system;
The achieving paging device is divided into a plurality of subgroup with same paging zone, control each subgroup and adopt when empty or empty sign indicating number frequently sends a diversity form and unites to receiving terminal and send paging information, and soft folding is adopted in all sectors in same subgroup or sub-district; The paging receiving system is determined receive mode and is carried out channel estimating according to system parameters message, utilizes diversity reception to handle paging receiving.
As seen from the above technical solution provided by the invention, the present invention has done further division to the sector of same paging group under the same paging domain, make between each sector that paging channel can soft merging and/or obtain macro diversity, further promoted the performance of paging channel, particularly for the user who is in cell boarder. the present invention when some is empty/the frequency transmit diversity situation under to the pilot design of each paging subgroup, make terminal accurately to do channel estimating to each paging subgroup forward channel.
Description of drawings
Fig. 1 is a kind of embodiment operational flowchart of the method for the invention;
Fig. 2 is a kind of division paging of the present invention subgroup method schematic diagram;
Fig. 3 is the theory diagram of Alamouti Space-Time Block Coding encoder;
Fig. 4 is a kind of two-way diversity of the present invention transmission structure transmit mechanism schematic diagram;
Fig. 5 divides paging subgroup method schematic diagram for the present invention is another kind of;
Fig. 6 is a kind of embodiment Organization Chart of system of the present invention;
Embodiment
Fig. 7 is the structural representation of prior art superframe Preamble.
Core concept of the present invention provides method, the Apparatus and system of achieving paging in a kind of wireless communication system, adopt space-time/space-frequency to send the diversity form and unite the transmission paging to terminal by at least two subgroup, further obtain sending diversity gain, increase the paging channel performance.
Embodiment one:
The invention provides the method for achieving paging in a kind of wireless communication system, a kind of embodiment operating process of described method as shown in Figure 1, concrete operations are as described below:
Step 1 a: paging zone is divided at least two groups, described group is divided into two subgroup at least, and broadcast the group of described division and the information of subgroup;
Wireless communication system is divided into several groups according to hardware realization condition and/or real site distribution with paging zone, each group is made up of several sectors or sub-district, sector in group can combined dispatching, website is adjacent simultaneously, the signal of other sectors is all stronger in the same group of seeing in the coverage of any one sector, system guarantees that all sectors all are arranged in a certain group, and in order can softly to merge, the sector of a paging group needs the synchronous of time and frequency.
Each group after the above-mentioned division is divided into two paging subgroup at least, and each sector all will be in a certain paging subgroup.Can comprise the different sectors in the same sub-district in each paging subgroup, also can comprise the different sectors in a plurality of sub-districts.The method that a kind of embodiment divides the paging subgroup is divided into P0 and two paging subgroup of P1 with the A of paging group as shown in Figure 2.
The information of the system broadcasts A of this group and subgroup P0 and P1 comprises: the sector that group/subgroup sign, subgroup comprise, general scrambling code information etc.Broadcast pilot tone sending mode, orthogonal sequence assignment of subgroup P0 and P1 etc. simultaneously.
The channel resource information that paging takies as: information such as running time-frequency resource position, scrambler, code modulation mode can adopt the mode of broadcasting also can make an appointment.
Step 2: described subgroup adopts when empty or empty sign indicating number is frequently united to user terminal and sent paging information;
When needs carry out paging in the A of paging group, can make paging subgroup P0 and P1 adopt when empty or sky takes place frequently and send diversity to come terminal is carried out united paging.
Described space diversity reception to communicate is also referred to as antenna diversity, be transmitting terminal/receiving terminal by the space on a plurality of antennas or the aerial array of spaced apart realize. the duplicate sample that transmits arrives receiving terminal with the form of spatial domain redundancy. owing to adopt different antennae emission identical information, space diversity can not brought any loss on the bandwidth availability ratio. and wherein the Alamouti sign indicating number is first kind of Space-Time Block Coding that complete emission diversity gain is provided for 2 system for number of transmit antennas, it is a kind of simple two-way diversity transmission structure, the theory diagram of its Space-Time Block Coding encoder as shown in Figure 3, at a time (or a certain Frequency point) two antennas emissions symbol be respectively C1 and C2. and next constantly or side frequency put this two antennas emission two symbol-C2 in addition *And C1 *(herein *Represent complex conjugate), thus emission diversity gain obtained.If utilize the Alamouti sign indicating number between two sectors, to realize the mode of grand diversity, can access bigger gain like this than the soft merging in simple sector.
Present embodiment is at paging subgroup P0 and P1, when empty or empty sign indicating number frequently adopt a kind of feasible send mode of Alamouti sign indicating number as follows: transmit mechanism as shown in Figure 4,
Transmission information X={... in the P0 paging subgroup, S1, S2 ..., the transmission information X ' in the P1 paging subgroup=... ,-S2 *, S1 *... }.
As send grand diversity when adopting sky: for terminal AT, at same frequency, to send signal be respectively S1 to t P0 subgroup sector and P1 subgroup sector constantly ,-S2 *It is respectively S2 that t+1 moment P0 subgroup sector and P1 subgroup sector send signal, S1 *
As adopt sky to take place frequently and send grand diversity: for terminal AT, synchronization is at frequency f1, and it is respectively S1 that P0 subgroup sector and P1 subgroup sector send signal ,-S2 *At frequency f2, it is respectively S2 that P0 subgroup sector and P1 subgroup sector send signal, S1 *
Said method is united for terminal provides paging by subgroup, for the sub-district in the same subgroup, still can adopt soft folding to paging terminal.In order to carry out soft merging to all paging informations from same subgroup, all sectors in same paging subgroup or sub-district adopt same way as to send identical paging content to the terminal of monitoring paging.As, adopting same channel resource and the identical beep-page message of identical scrambler broadcasting, the paging information DIRECT ENERGY merges; Or, adopt the identical paging information of different scrambling codes broadcasting, carry out high specific and merge reception.
Step 3:AT is according to the information in the system parameters message of system broadcasts, and which kind of mode decision adopts carry out Data Receiving and channel estimating, comes paging receiving;
For can not supporting space-time/space-frequency to send the AT of diversity, in the time of can not handling sky such as some or the empty low protocol version AT of sign indicating number frequently, system can adopt the mode of time-division or frequency division, as: will hang down protocol version AT and high protocol version AT paging resource staggers.For example, paging group can use different frequency channel resource information to come to send paging to terminal, as, dividing frequency resource f1 gives lowest version AT, dividing frequency resource f2 gives highest version AT, and shared different frequency channels resource information is broadcasted in paging group by agreement agreement or system.Low protocol version AT receives from the paging of the paging group that sends on the frequency f 1 and to paging information and adopts soft folding.Because the paging information that system sends adopts different channel resources with the paging to the highest version terminal, so the lowest version terminal can't be subjected to the interference of other highest version paging terminals, because it adopts soft folding, paging performance still is greatly improved again.And for highest version AT, the mode that still can use empty time-code to send at frequency f 2 places obtains soft merging gain simultaneously and sends diversity gain according to the mode of sub-paging group.
Divisional processing when perhaps paging being done in certain period, sends identical beep-page message in same paging group, make the channel of each sector or sub-district can carry out soft merging and receive; In following a period of time, adopt soft merging to carry out paging with the method that the transmission diversity combines.
AT receives the data that forward channel sends accurately, must carry out channel estimating to forward direction transmitting channel in P0 and the P1 paging subgroup accurately respectively, so AT needs accurately to distinguish the pilot tone in the different paging subgroup.For the design of pilot tone, system can adopt following rule:
1) pilot tone in P0 and the P1 paging subgroup adopts different time-frequency sending modes;
As sending in the different time, or in different frequency transmissions, the position of frequency pilot sign is the phase non-overlapping copies on time/frequency domain. concrete pilot tone sending mode, can pre-determine the pattern of several pilot tones by agreement, come the broadcast system parameter message by system then, indicate each paging subgroup how to use pilot tone to send pattern.
2) the pilot tone same frequency sending at the same time (overlapped) of P0 and P1 paging subgroup, but adopt different orthogonal codes to modulate, distinguish as adopting different Walsh (walsh code) sign indicating number.This orthogonal code can be given different paging subgroup by agreement regulation or broadcast assignation.
AT uses the orthogonal code coupling of corresponding paging subgroup just can solve the pilot signal of corresponding paging subgroup when receiving, thereby carries out channel estimating.
The another kind of embodiment of the method for the invention utilizes the space and time diversity technical tie-up to send paging to terminal by subgroup, but the send mode difference is specific as follows described:
Step 1 a: paging zone is divided at least two groups, described group is divided into two subgroup at least, and broadcast the group of described division and the information of subgroup;
Be with embodiment one difference herein:
1, the sector between two subgroup does not need strict time synchronized;
2, need not to broadcast the pilot tone sending mode, orthogonal sequence assignment etc. of subgroup P0 and P1, present embodiment does not need to carry out the orthogonal pilot design of embodiment one;
Step 2: described subgroup adopts cyclic shift diversity to unite to user terminal and sends paging information;
Described cyclic shift diversity is a kind of of space and time diversity, is different from the diversity form of Alamouti sign indicating number.At paging subgroup P0 and P1, adopt a kind of feasible send mode of cyclic shift sign indicating number as follows:
Transmission information in the P1 paging subgroup is identical with the transmission information content in the P0 paging subgroup, and certain delay is just arranged in time.For example for terminal AT, at same frequency, t sends signal S in P0 subgroup sector constantly; And send paging signal S in P1 subgroup sector constantly at t+1.The method does not need just can obtain the transmitting time diversity gain on soft merging basis through complicated coding, and the performance of paging is further enhanced.
Because P0 and P1 send same paging information, just on the time skew has been arranged in the present embodiment, for terminal, be equivalent to add a multipath, high and low version terminal can coexist.Obtain the time diversity gain, and especially the paging of non-frequency-selective channel has been had improvement on the performance.
Above-mentioned two embodiment are the situations that a paging group are divided into two subgroup, and the number of subgroup is not stipulated in the practical operation, is decided by the network planning.For example, can be divided into three paging subgroup, be illustrated in fig. 5 shown below:
The A of paging group is divided into P0, P1, three subgroup of P2, and when the user was in the border of P0, P1 or P2, three subgroup were united and are adopted when empty or sky takes place frequently and send diversity to send paging to terminal, and then terminal can obtain macro diversity too.
The invention provides the system of achieving paging in a kind of wireless communication system, a kind of embodiment framework of described system comprises the achieving paging device, reaches the paging receiving system as shown in Figure 6.
Described achieving paging device is arranged at the wireless communication system network side, comprising:
The paging zone grouping module is used for paging zone is divided into several groups according to hardware realization condition and/or real site, and according to system network planning described group is divided at least two subgroup.Each group is made up of several sectors or sub-district, and each sector or sub-district are all in a certain paging subgroup;
The group information administration module is used for storage and broadcasting group relevant information, comprising: the sector that comprises, group identification, general scrambling code information etc.Store and broadcast the relevant information of subgroup simultaneously, comprising: pilot tone sending mode, orthogonal sequence assignment etc. also comprise the pilot tone sending mode of storing each subgroup correspondence;
Diversity transmission management and control module is used to control each subgroup and adopts when empty or empty sign indicating number frequently sends a diversity form and sends paging information to user terminal;
Soft merging transmission management and control module, all sectors or the sub-district that are used to control in the same paging subgroup adopt the identical channel resource beep-page message identical with identical scrambler broadcasting to give receiving terminal.
Described paging receiving system is positioned at user side, comprising:
Memory module: be used for stores system parameters information and data;
Merge receiving processing module: the beep-page message that is used to control same paging subgroup carries out soft merging reception processing;
Diversity reception processing module: be used to control the beep-page message of different paging subgroup is united the reception processing.
System of the present invention adopts the paging zone grouping module in the achieving paging device that a paging zone is divided into several groups, more described group is divided at least two subgroup, the information of the management of group information administration module and broadcasting group and subgroup.Utilize each subgroup of diversity transmission management and control module controls to get and adopt when empty between subgroup or empty form of code diversity frequently sends paging information to user terminal, to realize diversity gain in difference.Utilize all sectors or sub-district in the same paging subgroup of soft merging transmission management and control module controls to adopt the identical channel resource beep-page message identical to give receiving terminal with identical scrambler broadcasting, make the user can do soft merging respectively to the paging information of each paging subgroup, the paging receiving system is according to the system parameters message in the memory module, which kind of mode decision adopts receive and channel estimating, utilize the diversity reception processing module that paging information is united reception and handle, utilize the merging receiving processing module that the beep-page message of same paging subgroup is carried out soft merging reception processing.
In sum, the present invention has done further division to the sector of same paging group under the same paging domain, make between each sector that paging channel can soft merging and/or obtain macro diversity, further promoted the performance of paging channel, particularly for the user who is in cell boarder.The present invention also sends under diversity mode the pilot design of each paging subgroup at some space-time/space-frequencies, makes terminal accurately to do channel estimating to each paging subgroup forward channel.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.

Claims (13)

1.一种无线通信系统中寻呼实现的方法，其特征在于，包括：1. A method for paging in a wireless communication system, characterized in that it comprises: A、将一个寻呼区划分为至少两个群组，再将每个群组划分为至少两个子群组，使每个群组中的扇区都处于某一子群组中；A. Divide a paging area into at least two groups, and then divide each group into at least two subgroups, so that the sectors in each group are in a certain subgroup; B、广播群组及子群组的系统参数信息；B. Broadcast system parameter information of groups and subgroups; C、在不同的子群组间采用空时或空频分集形式联合发送寻呼信息，并在同一子群组内的所有扇区或小区采用软合并技术，包括：C. Jointly send paging information in the form of space-time or space-frequency diversity between different subgroups, and use soft combining technology in all sectors or cells in the same subgroup, including: 采用相同信道资源和相同扰码广播相同的寻呼信息，将寻呼信息直接能量合并；或，Using the same channel resources and the same scrambling code to broadcast the same paging information, and directly combine the energy of the paging information; or, 采用不同扰码广播相同的寻呼信息，将寻呼信息进行最大比合并。Different scrambling codes are used to broadcast the same paging information, and the paging information is combined with a maximum ratio. 2.如权利要求1所述的一种无线通信系统中寻呼实现的方法，其特征在于，所述方法还包括：2. The method for paging realization in a kind of wireless communication system as claimed in claim 1, is characterized in that, described method also comprises: D、终端根据系统参数确定接收方式及进行信道估计，接收寻呼。D. The terminal determines the receiving mode and performs channel estimation according to the system parameters, and receives paging. 3.如权利要求1所述的一种无线通信系统中寻呼实现的方法，其特征在于，所述子群组中包含同一小区内的不同扇区，或包含多个小区内的不同扇区。3. The method for realizing paging in a wireless communication system according to claim 1, wherein the subgroup includes different sectors in the same cell, or includes different sectors in a plurality of cells . 4.如权利要求1所述的一种无线通信系统中寻呼实现的方法，其特征在于，所述步骤B中广播的信息具体包括下述任意一个或多个：4. The method for realizing paging in a wireless communication system according to claim 1, wherein the information broadcast in the step B specifically includes any one or more of the following: 群组/子群组标识、子群组包含的扇区、通用扰码信息、导频发送模式、正交序列指配信息。Group/subgroup identifier, sectors included in the subgroup, general scrambling code information, pilot transmission mode, and orthogonal sequence assignment information. 5.如权利要求1所述的一种无线通信系统中寻呼实现的方法，其特征在于，所述步骤B进一步包括：5. The method for paging realization in a kind of wireless communication system as claimed in claim 1, is characterized in that, described step B further comprises: 采用广播或预先约定的方式通知终端寻呼占用的信道资源信息。Notify the terminal of the channel resource information occupied by paging by broadcasting or pre-agreed. 6.如权利要求1所述的一种无线通信系统中寻呼实现的方法，其特征在于，所述方法进一步包括：6. The method for realizing paging in a kind of wireless communication system as claimed in claim 1, is characterized in that, described method further comprises: 同一群组下的不同子群组的扇区导频采用不同的时频发送模式，在不同的时间发送或不同的频率发送，导频符号的位置在时域或频域上相互不重叠；或，The sector pilots of different subgroups under the same group adopt different time-frequency transmission modes, are transmitted at different times or at different frequencies, and the positions of the pilot symbols do not overlap each other in the time domain or frequency domain; or , 同一群组下的不同子群组的扇区导频在同时同频发送，采用正交码来调制。Sector pilots of different subgroups under the same group are sent at the same frequency and at the same time, and are modulated by orthogonal codes. 7.如权利要求1所述的一种无线通信系统中寻呼实现的方法，其特征在于，当采用空时/空频时，所述方法进一步包括：7. The method for paging in a wireless communication system according to claim 1, wherein when using space-time/space-frequency, the method further comprises: 对寻呼过程做时分处理，在某段时间内，在同一群组内发送相同的寻呼信息，使得各扇区或小区的信道可以进行软合并接收；在下一段时间内，采用软合并与发送分集结合的方法进行寻呼。Time-division processing is performed on the paging process, and within a certain period of time, the same paging information is sent in the same group, so that the channels of each sector or cell can be soft-combined and received; in the next period of time, soft-combined and sent Diversity combining method for paging. 8.一种无线通信系统中寻呼实现的装置，其特征在于，包括：8. A device for realizing paging in a wireless communication system, characterized in that it comprises: 寻呼区分组模块，用于将寻呼区分成至少两个群组，并将每个群组划分成至少两个子群组；A paging area grouping module, configured to divide the paging area into at least two groups, and divide each group into at least two subgroups; 分集传输管控模块，用于控制各子群组采用空时或空频分集形式向用户终端发送寻呼信息；A diversity transmission management and control module, used to control each subgroup to send paging information to the user terminal in the form of space-time or space-frequency diversity; 软合并传输管控模块，用于控制同一子群组内的所有扇区或小区发送相同的寻呼信息给接收终端，包括：采用相同信道资源和相同扰码广播相同的寻呼信息给接收终端，将寻呼信息直接能量合并；或，采用不同扰码广播相同的寻呼信息给接收终端，将寻呼信息进行最大比合并。The soft combined transmission control module is used to control all sectors or cells in the same subgroup to send the same paging information to the receiving terminal, including: using the same channel resources and the same scrambling code to broadcast the same paging information to the receiving terminal, Direct energy combination of the paging information; or broadcast the same paging information to the receiving terminal by using different scrambling codes, and perform maximum ratio combination of the paging information. 9.如权利要求8所述的一种无线通信系统中寻呼实现的装置，其特征在于，所述装置还包括：9. The device for realizing paging in a wireless communication system according to claim 8, wherein the device further comprises: 群组信息管理模块，用于存储并广播群组及子群组信息。The group information management module is used for storing and broadcasting group and subgroup information. 10.如权利要求8或9所述的一种无线通信系统中寻呼实现的装置，其特征在于，所述装置设置于无线通信系统网络侧。10. The device for realizing paging in the wireless communication system according to claim 8 or 9, characterized in that the device is set at the network side of the wireless communication system. 11.一种无线通信系统中寻呼接收的装置，其特征在于，包括：11. A device for paging reception in a wireless communication system, characterized in that it comprises: 存储器模块：用于存储系统参数信息和数据；Memory module: used to store system parameter information and data; 分集接收处理模块：用于控制对不同子群组的寻呼信息进行联合接收处理；Diversity reception processing module: used to control the joint reception processing of paging information of different subgroups; 合并接收处理模块：用于控制对同一子群组的寻呼信息进行软合并接收处理，包括：采用相同信道资源和相同扰码广播相同的寻呼信息时，将寻呼信息直接能量合并；或，采用不同扰码广播相同的寻呼信息时，将寻呼信息进行最大比合并。Combination reception processing module: used to control the soft combination reception processing of the paging information of the same subgroup, including: when the same paging information is broadcast using the same channel resource and the same scrambling code, the paging information is directly energy-combined; or , when different scrambling codes are used to broadcast the same paging information, the paging information is combined at maximum ratio. 12.如权利要求11所述的一种无线通信系统中寻呼接收的装置，其特征在于，所述装置设置于用户侧。12. A device for receiving paging in a wireless communication system according to claim 11, characterized in that said device is set at the user side. 13.一种无线通信系统中寻呼实现的系统，其特征在于，所述系统包括：寻呼实现装置及寻呼接收装置；13. A system for implementing paging in a wireless communication system, characterized in that the system comprises: a device for implementing paging and a device for receiving paging; 寻呼实现装置将同一寻呼区划分为多个子群组，控制各子群组采用空时或空频发送分集形式联合向接收终端发送寻呼信息，并在同一子群组内的所有扇区或小区采用软合并技术，包括：采用相同信道资源和相同扰码广播相同的寻呼信息，将寻呼信息直接能量合并；或，采用不同扰码广播相同的寻呼信息，将寻呼信息进行最大比合并；寻呼接收装置根据系统参数消息，确定接收方式和进行信道估计，利用分集接收处理来接收寻呼。The paging implementation device divides the same paging area into multiple subgroups, and controls each subgroup to jointly send paging information to the receiving terminal in the form of space-time or space-frequency transmission diversity, and all sectors in the same subgroup Or the cell adopts soft combining technology, including: using the same channel resource and the same scrambling code to broadcast the same paging information, and directly combining the paging information; or, using different scrambling codes to broadcast the same paging information, and combining the paging information Maximum ratio combining; the paging receiving device determines the receiving mode and performs channel estimation according to the system parameter message, and receives paging by using diversity receiving processing.
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