TW200402212A - Synchronization of a counter value employed as a parameter for ciphering and deciphering - Google Patents

Abstract

The invention relates to a method for synchronizing the counters in a mobile station MS and in a network element BSS of a mobile communication network, wherein the respective value of the counters is employed as a parameter for ciphering/deciphering data transmitted between the mobile station MS and the network element BSS. In order to enable such a synchronization, it is proposed that the method comprises transmitting the least significant bit HFN_LSB of the current counter value in the mobile station MS or in the network element BSS to the respective other entity during an establishment of a temporary data connection between the two entities. Further, it is proposed that the method comprises synchronizing the counter at the respective other entity based at least on the transmitted least significant bit. The invention relates equally to a corresponding mobile station MS and to a corresponding network element BSS.

Description

200402212 V. Description of the invention Q) [Field of invention] Mobile i 行动 IΪ The field of invention relates to a method and a network & meta-use counter in a mobile communication system for making a method in which a counter of a network element is synchronized with a counter of a mobile station The corresponding value is a parameter to synchronize the data transmitted between actions [prior art]. Transmission ^ 1 In the technology, it is necessary to make data between mobile stations and network elements. ,,, And password synchronization to prevent unauthorized third party from approaching the mobile station EDGEERAN (GS Μ (Global System for Mobile System) network) (enhanced data transmission rate for GS Μ development) wireless proximity. In the U mode, for example, in the RRC-linked mode, the formula is used to perform the cipher operation. geran 1 u mode; = ,,, and two are connected by GERAN and the core network and the I u interface, and in the "", including the I ... up S interface! u and the second, E & AN's BSS (base Platform system),

C (= generation circuit switching core network (1 u-c s) 3 G M S

Μ ^ ΐ3 generation mobile service switching center), and the interface is between G E R A = 3rd generation packet switching core network " u_p3gA

R Γ [The second (the third generation of Servo VW packet wireless service support points) R is the recapitalization for wireless resource management. The determination is based on the use of A4 ^ < Shuchen Beiyuan to fabricate the ten-face agreement. This agreement

Connect 楹 + &Tian; the subscription operation in the case of 1 u mode. In the RRC = formula, 'This action is an established RRC connection = and ... peer-to-peer between RRC peer devices in the AN 200402212 V. Description of the invention (2) 〇K asu in plan) The reliability is also applied to the technical plan; Technical talk about the u mode of the wireless interface (fifth in GER. The coded function C (wireless link C mode (T) and non-transparent non-confirmed data transmission, can be coded 〇RLC and Μ Ts 44.060 V5 GE wireless proximity (MS) —Based Proximity Control 3 GP p rp 5 ～ 〇5): Proximity network; line, wireless link control; I u mode (in N τ ~

9541.ptd i is calculated as i3 = -3gpp (the third-generation cooperation shoulder difference method, its content can refer to, for example, 3GPP Ts Ming: Thirty-two = GSM EdgE Wireless Proximity Network Manual, Radio Resource Control (RRC) Edition), and the coding of the AOI mode is based on the wireless carrier and can be located within the protocol layer. And in RL · C / MA control / middle-level proximity control) agreement. In the transparent r L C) ’, the password is operated under the μ A C sub-layer, and —RLC) is operated under the confirmation and = R L C sub-layers. and

T 苐 One layer of control signal, which is improved under the MAC sublayer. For a description of the ϋ line, see, for example, the technical specification 3GPP • · 〇〇２—5) "Technical description trunked GSM / ED Slave: General Packet Radio Service (GPRS); Action Taiwan: f System (BSS) interface; • Wire Link Control / QC / MAC Protocol (Fifth Edition) "and 4 · 1 6 0 ν 0 · 5 · 〇 (2 〇〇 ~ _Book Cluster (G s M / EDGE wireless attack: 2 S) ~ base station system (BSS) interface proximity control (rlc ... in the RLC branch formula, used in the algorithm of the encryption algorithm 200402212

V. Description of the invention (3) Input parameters, especially the detection value, a 5-bit cipher wireless carrier, these parameters between the number of codes and the number of ciphers must be a 32-bit load value RBI and the The encrypted flat data can be matched to be synchronized. Count value of u, which is a one-bit u ', which can identify the execution length data. In order to ensure that the transmitter and receiver can perform this synchronous operation in normal operation. ㉟ is an out-of-sync situation in the abnormal state. When the length, wireless carrier and direction parameters between the transmitter and receiver are not synchronized, the 32-bit counter must be desynchronized. The reason will be explained below.

Figure 1 shows the structure of a 32-bit counter. The count includes b-bit BSN (block sequence number), one-bit RB! D (radio carrier indicator), and 31-b-bit HFN (ultra-high frequency). Pivot number). ·

B SN is the serial number of the corresponding RL C data block, where the r L c data block is a data block to be coded and deciphered. The B s N coding is performed sequentially, and the serial number space (S N S) is modularized. Therefore, b S N wood structure is a cyclic state variable. H F N is a counter, which is incremented by one in each b S N cycle, especially when B S N reaches 0, the counter will increase. The RB I d indicator indicates whether the rB I d field in the cipher parameter starts. In particular, in the NT-RLC mode, the RB Id pointer indicates that the RBI d column π is started, or the rb I d is used to provide a pair of one-to-one mapping identifiers in the RLC data containing the corresponding RLC data. Blocks are transmitted, and a different HFN counter is used in the transmitter and receiver to determine the HFN. When an r L C data block of the same wireless carrier is received

200402212 V. Description of the invention (4) In this direction, the RLC data FN based on the BSN of this data block is as small as 1, and if the nearest BSN of the current line carrier is not recently received through the password, therefore, a Give data blocks nothing to do. Code and received under normal conditions, there is always N and the reply is required. However, in the normal password HFN, the & makes the number line > source is transmitted from the base device, and the S is transmitted at the RL c RLC receiver. It is used for the non-BSN in the same square block, that is, used to decrypt the R0 point received by the data block. The RLC determines the RLC. Similarly, the previous transmission may be based on the HFN state operation. A BPSC machine and the D BC and line carriers included in it are more oriented. If the BSLC number of the B code is newly received, the data side is maintained. The HFN at the receiver received at a given RL can be new. If the data to be used is the most recently received 0 on the same wireless carrier, the current Η R L C data block.

The SN received is larger than the current block of the data block. The block's edited R L C data is the same B S NR in the same direction, that is, if H F Ν, and is used to resolve

The password and the decryption block of the previous RL C _ C data block are not connected to the B C track of the 'C data block), and a temporary layer 2 block stream is created). From the TBF, it is transmitted that there is no RLC device that can be shared (shared RLC device p SC connection), especially more than one RLC. At this time, a so-called solution between the transmitter and receiver can be used to decrypt the code. One unit. Online resources or dedicated RLC to other equivalent basic implementations and quality subchannels (exclusive basic real BF (temporary data can be ACC η

Is a TF device without R L C for S F) or the quality of the device is

9541.ptd Page 9 200402212 V. Description of the invention (5) Quickly related control channel). The Ding BF device of the mouth transmits: To have data from the RLC device to the establishment According to TβΚβΓ on the SBPSCH to establish a TBF. By. In the case of data transmission that can always be performed, and the procedure for releasing TBF is performed, under the sorrow of the Internet, the release of F, which is transmitted by peer, can be performed at any time. A message of = release is sent out c IT,, ^ 0. TBF is established until the DBps is released

Extremely: release Ϊ Γ releases the corresponding wireless carrier. However, TBF m it: there is no release of peer-to-peer communication. When uploading or downloading 丄 β ρ, it smells on the transmitter side ... 丄:;:; Specification 3gp ”s Measured II: especially-paragraph by T 3 1 9 〇λα π D ^ When the shoulder-to-shoulder mobile station does not receive any RLC data blocks with a groin, the mobile station performs a short pass at SBP s C η > Normal release. RT Ϊ = "H on 'When the network does not receive any notification from the mobile station-non-ί Μ 5 control Sfl information, the network will release a very low-down TBF, unless it has been Polled several times. The time of ^ is determined by the variable N 3 1 0 5 m a χ.疋 When the segment is scheduled after the transmission of the most recent RLC / MAC block, especially during the coded seconds measured by the timer T 3 180, there is no upload message received in the spring, then The mobile station will use the proximity device to upload the abnormal release of TB F on s B ps Η. Finally, the network does not receive no R L C / M from the mobile station in the-fixed number that did not finally assign the wireless box to this mobile station.

200402212 V. Description of Invention (6)

When AC, the network will abnormally release a BF on s B P S CH. This predetermined number of squares is determined by the variable N3 〇ima X. The father will occur when the receiver receives no more general transmission from a given LC, in addition to re-determining the C data square. The header and RL are exhausted into the transmitted RL c. This is the case when handover is triggered during the increase of L c data until H F N increases. There is no response from the RLC transmitter in a certain period of time, or the RL is received at a certain RLC transmitter. When the BF is released, the abnormal state of the BF occurs. The RLC is released at the moment when a new τ B is not established. set up. This implies that the transmitter resets the present value of B S N. An abnormal release is performed, the R L C sends a block, and even the R L C receiver may or may receive a data block. For example, the payload of the C data block is corrupted by the R L C data block. In this example, data blocks and B S N cannot be added. When the corresponding R L C transmitter cannot block, it will keep increasing Η. At the same time, when there is no R L C data block added by the R L C receiver, that is, the R L C data block increased by F N may not be on the DBPSCH. The r L C data block does not contain any examples during the R L C period. Before the important F, in the construction of all states, the shooter will maintain energy transfer and cannot receive RLC / M. If it is not possible, it is considered that it is impossible to distinguish RLC / M A. Decide whether to have received any FN counting method. Cannot be received by the receiver C or the equivalent is here: R variable, send RL correct number AC table has received recognition any C header received R abnormal trigger receiver 'none

9541.ptd 200402212 V. Description of the invention (7) Method to increase H F N count value. As a result, there is a situation where the F FN is not synchronized between the transmitter and the receiver. The carrier needs to be renewed and then connected to the S B. The BF mode system is necessary.) Therefore, the solution of the wireless capacity can be the same as that of the mobile station. During the mobile station, the normal data transmission in the MS must be asynchronous. Make sure that the same table number cannot be reset. As soon as the efficiency starts, the TB specifications of the state operation can be entered into the SC or RS (the method F can be RL in this case, and its value is intentionally compatible from the update of the F operation line, and the enhanced type must be applied. Before, the receiver and the transmitter The radios in the aircraft need to be corrected. The single radio on the front has a possible status change in the FN, and the radio starts at the BS NR. The method cannot be used and therefore it is incompatible with different T packet radios. Send, determine that a counter-decryption code is included in the link, the link is established, the mobile station is transmitted by the transmitter, and the BF receiver can always be PSC between the current formula B and EG P In the case of T of the B carrier, there is a B HF N before the C data side.

A change in the present meaning of G P R

GPRS in the same direction in this block represents the release of F. However, this principle is compatible. Moreover, the system of TBF modes between f (1) provides a method to step between the network elements and mobile stations in the mobile network, both of which provide-parameters, and Data transmitted between network elements. 'The difference between poor drinking and mobile communication systems = between MS and the network element BSS: the counter of the data in the corresponding other device Bss, Ms: time or the transmission of t meter

9541.ptd Page 12 200402212 V. Description of the invention (8) The present value of the counter is at least the least significant bit HFN-LSB; moreover, the least significant bit HFN-L SB based on the transmission in the present invention makes the Corresponding to other devices Bss, counter synchronization on MS ~ / must be called Danta exhibition β S s, subscription on MS 丨 J / The device that achieves the purpose of the invention includes a mobile station (MS) i Contains · · The organization that establishes a data link when the network element (BSS) of a mobile communication network establishes ^ f; transmits an established temporary data link between teleoperation ^ (MS) and a network element (b $ S) Data encryption and / or decryption mechanism; a counter for providing a value, using this value as the data encryption and / or decryption code transmitted at the mobile station (MS) and network element (BSS) Parameters; and a mechanism for transmitting the present value of the counter to a network element (BSS). A network element including a corresponding mechanism can be applied to achieve the purpose of the invention. One of the purposes of the Internet Month is when the mobile station is known in the corresponding device or the counter can be synchronized again ... After this, these sufficient parts must be moved from one device to another- In severe cases, one of the two devices: up to get out. However, m is always the value of this counter; /: The value must be less than the possible value. For example, = needs to be limited to —, and one counter can be out of sync. For H F N, can be at most 丨 Therefore, the minimum is ^,

The method is to compare the maximum asynchronousness of the target to the one before an asynchronous synchronization will occur. In the example of the transmitter, the TBF is used. The count value of b in the receiver is larger by one. The maximum count value is 200402212 V. Description of the invention (9)

: The count value in :: and the count value at the receiver are used as a reference for necessary synchronization. It is necessary to clearly indicate the difference between the instructions. When one of the transmissions in the present invention counts more than one unit number as a counter, the synchronization between the elements of the present invention can be counted by the least significant bit of the preferred embodiment of the specification. = Large out-of-synchronization case, which will be the extra bit adjacent to: the least significant bit. . The advantage is that in any case, it can be automatically obtained by the method described in this manual during abnormal operation. : The scope of patent application can further understand the present invention. · Between the mobile station and the network element, the network element can operate as the data, such as the receiver of the data. The counter is synchronized whenever any transmitter transmits the minimum to the receiver. In the case of data transmission, the mobile station or the transmitter 'and the corresponding another device, in which case it is best to start from the effective bit of the data, and between the receiver of the data, and between the mobile station and the network element. The maximum synchronization between counters is a count value, and when the transmitter transmits the least significant bit of its counter to the receiver, the method for synchronizing the counter of the receiver is when the least significant bit is in the receiver. If the minimum effective binary value of the present value of the counter is different, the count value is increased by one. In the example of download, the least significant bit of the count value can be transmitted from the network element to the mobile station in the download message to establish the transmission link. For an upload operation, the least significant bit of the count value can be on

200402212 V. Description of the invention (ίο) Use a required wireless link to transmit to the network element, or use a data block for data transmission from the mobile station to the network element until the resolution is fully used ( contention resource). The count value of the counter to be synchronized with another counter may be included in other appropriate messages transmitted between the mobile station and the network element. In a given carrier and direction of encoding and decryption code R l ◦ RR c connection mode GERA n I u mode in non-transparent RLC operation of number blocks, especially the present invention can be used to synchronize HFN count values. Embodiment] The features and advantages of the present invention will be further understood from the following description (

The above description has been illustrated in Figures 2 to 7. The method of deployment is configured on a mobile station and a mobile station with at least one mobile station. In the embodiment of the GER, it can be determined that the AN I u mode is used in non-transparent R. A given wireless carrier code and password Declassification > 5 Ma. E RAN's base station Another device constitutes the content of R 1 According to the H F N L C operation and the given party determined by GERA A N I u in action in this messaging system, the data can be received by the L C for the data system.

The method of the embodiment of the invention, wherein the party and the mobile communication system include a communication network of the mobile N. It is assumed that this communication mode is close to the communication network. Synchronization of GER parameters between the transmitter and GERAN. The RFN communication mode in the HFN parameter uses segmented transmission of RLC data segments transmitted upwards. The mobile station or G acts as the RLC transmitting station, and corresponds to Machine 0

9541.ptd

Page 15 iU〇z 200402212 V. Description of the invention (11) Figures 2 and 5 show that the signaling process is used for 4 different situations to correspond to the TBF in a given direction. The same wireless carrier is often detected in the same direction. Disconnect. In each figure, two corresponding vertical lines are shown representing the mobile station] vis, and the base station BSS on the left GERAN. Figure 2 between the vertical mobile station MS and the base station B S S shows that the station B S S established by T B F operates as an R L C transmitter and an L C receiver. At the first point in time, there is a value of "HFN" at the base N manipulator. There is a value "HFN ~ p" in reference to the actuator. This instruction correctly increases the number of base stations BS s and will seal the sentence τ ^ / ΡΑΓΓΜ: send the designated message to d: the mobile station MS on, so that it will be read. The mobile station MS., ;; The related double value is used to allocate the GPRS resource. The current minimum value is the minimum effective bit HFN of the base station BSJ in the value.

The mobile station MS executes its own number of HFNs: Does the L S B of f correspond to its own value from, hFN— = turns the number of actuators into “H F N”. The previous vertical line that is given out is sent between the hand-to-line hand-to-line signal flow. The action platform platform B 'is in line because the actuator is sent to the LS BS in the next S of the assigned packet phase GC Η. Add 1 result to the HF value of the actor, in the letter process. The new T B F using line carrier is no longer correct. Correspond to the horizontal arrow schedule indicated by the vertical line on the left and right sides. That is, the base is now operating as a mobile station MS in the mobile station MS in the mobile station MS in the RS. The radio resource (control channel) from ~ P A C C Η) J packet is almost allowed to channel 2. The FN actor is based on LJ3. Identification: the actor now = the base station B s s of the actor

Page 16 200402212 V. Description of the invention (12) The value of the HFN actor in the mobile station MS is synchronized, and the encoding and decryption of the C data segment is achieved. For the establishment of the upload TBF, where the mobile station MS operates as an R L C transmitter and the base station B S S operates as an R L C receiver, the mobile station MS in the PR C link mode may be in the M A C idle state or not in this state. The M A C idle state is a state of the M A C control device in the I u mode, in which no basic reality is specified. FIG. 3 shows the process of establishing the number T§ for uploading T B F when the mobile station MS is not in the M A C idle state. At the first point in time, the value of the HFN counter in action MS is, HFN ". In the HFN counter of base sBs S, by comparison, its value is" η FN ~ 1 ", because the base station The BSS did not receive any instructions to correctly increase the counter value. Now, the mobile station MS sends a packet resource request message to the base station BSS at a PACCH ^ to request an upload resource that can also be specified. The packet resource request The message contains the least significant bit in the present value of the HFN counter in action a — hfN — [SB. Based on the LSB, the base station BSS corrects the value of its own N counter. The base station BSS recognizes the received L s The B processing is not equal to the LSB of the present value of the HFN counter. As a result, the HFNS ten counter in the base α BSS and the hfn counter in the mobile station are synchronized. Then, the base station BSS sends a ^ message to the PACCH. Mobile station MS, in which the resources transmitted by this cable are used by mobile station MS. Since the η f N counter is the same as 9541.ptd 200402212

V. Description of the invention Step (13), the next upload of the RLC data block can be used when a mobile station is in the M A C idle state and the purpose of the packet is close. In order to correctly edit and unlock the password. In single-phase or dual-phase, the data can be obtained in single-phase or dual-phase. Figure 4: Single-phase data N counter FN counter station BSS Base station G of the mobile station (packet RS information BSS transmission mobile station M present value is most determined for all Upload the base station B. The HF Ν sends a packet to the mobile station 'and therefore send the next one, and the HFS in the BF is being established because of the base instruction. Now the AC PRAC requires the GP counter on the base station C. The BSS counter is in. Now the update of the SS and the update of the SS. The value of the BF uploader in the state of the previous block shows that when the mobile station MS establishes the TB F in the approach of the MAC idle state packet, the uploading process. At the first time point i, the mobile station MS once again has a value of "HFN", and the base station B s again has a value of "HF N_i". This is because it has not received any MS transmissions that correctly increase the counter value. The message required by the packet channel is in p RBSS to start the packet proximity procedure. The random proximity channel) is an upload channel and is used for the source. When receiving the π packet channel request message ", send a packet to upload the displayed instruction to the p A gs. Then the mobile station MS transmits the resolution of its HFN small effective bits HF Ν ~ LS Β to the base station So far, the SS in the RLC / MA C data block of the Hfn meter data transmission can be based on the received least significant bit B s counter, as shown in Figure 3. The base station β uploads ACK / NAC Κ The message arrives at the p AMS to instruct the received rl C data to complete the content parsing. Then the τ RL C data block created can be counted based on the synchronous HFN

200402212 V. Description of Invention (14)

The password is correctly coded and deciphered. Refer to the value of a bi-phase transmission T B F mobile station M S of this base station. The count value is a packet frequency. As a result, the SS SS can be counted based on the value of P and then in the action source, and ACC can be based on this block. The BSS during the most recent establishment process requires the base AGC SMS FN to be counted in The HF NR in the count of the signal HF NR in the D-sequence is set as the base station B after synchronization in the transmission example shown in the figure. The message in Fig. 4 is for the action on the station B S S retransmission. The present value of the P A counter is received. The process of receiving the B F shown in the minimum 3. In the example, the counter S S is not retransmitted. In the example, p R A transmits SMS G C Η to the base valid bit. Then a π packet is uploaded and displayed ". In the established example of the count value of D B F N and the correct example, the figure shows i at the first point in time, and there is a value of" ... "in D: " HFn —Work " has correctly received any increase, and now the mobile station is transmitting the base station Bss on the CH " packet upload and display, the message _-. However, in this example, the above π packet resource requires "the base station BSS. The base station β element LS Β updates its HFN, and the base station BSS sends a message to the mobile station] MS. The RLC data transmitted by F is local In order to transmit the least significant bit LS Β of the HF Ν value in the signal flow shown in Figure 2 to Figure 5, it is necessary to change the known upload r LC / MAC data block, and the known RL C / MAC control message 0 The above cited technical specification 3GPP TS 44.164 defines the number of RL C / MAC for the data transmission of Gpr S and EGPrs.

1000 200402212 V. Description of the invention (15) According to the structure. FIG. 6 shows an rl C data block for an RLC / MA C header in a GPRSTBF mode. In particular, the figure shows a first column, 'This column represents the MAC header, and the figure also shows a different column,' which shows different octets, which are octets 1 to octets Group N. The M A C header and each octet are each divided into 8 bits, and bits 1 to 8 are displayed above each column. This notation starts from the corresponding R L C data blocks defined in the specification TS 4 4 · 〇 6 〇 The details of the block structure can be referred to the specification. In the octet, it is possible to record, for example, bits 2 to 8 of octet 2 and record R L C data in octets M + 7 to N. In addition, the R B I D may be recorded in bits 2 to 4 such as the octet M + 5 and the value may be recorded in bits 7 and 8 of the octet M + 6. Compared with a specific R L C data block, a block is further defined in the data block of FIG. 6 so that it can be used in the signal flow of FIG. 4. In particular, the least significant bit s B of the present H F N count value in the mobile station can be inserted into bit 6 such as octet M + 6. The bits of the least significant bit L S B are shown in gray in FIG. 6. Figure 7 shows a block of uploaded RL C data for EGPRS TBF mode. And in this block there are octets_bits 1 to N containing bits 1 to 8. This notation is processed in the corresponding RL C data block defined in the specification s 44 · 0 60, and the specification of the detailed block structure is referred to again. In the example of E G P r s, you can insert B SN into the C / MAC header of the transmission. In Figure 7 and

4 r > —r 100/200402212 V. Description of the invention (16); Can insert RL C data 'as in the case of inserting GRp S into octets M + 7 to N, and can include a length indicator inserted into the selected octets 1 to] V [, where the indicator Indicates the length of the included RLC data. One rB! D can be allocated again in bits 4 and 8 of the selected octet M + 5 and bits 7 and 8 of the selected octet and M + 6. Corresponding to the description of FIG. 6, in comparison with the designated RL C data block, another field is defined in the data block appearing in FIG. 7 so that it can be used in the signal flow of FIG. This field is related to bit 6 of the selected octet M + 6, and this field is provided in FIG. 6 to indicate that the minimum effective value of the value of Η f ν in the relevant mobile station is now Bit LSB. Bits reserved for L S B are again shaded in FIG. 7. … · It is necessary to understand that the RL ID field is not used when uploading RL (: The data block also contains a field. This field is used in another identifier. This identifier can uniquely define the corresponding RLC data block. ^ Line carrier.-Except for changing the upload RLC data block, all or part of the following message must contain the least significant bit ls B of the HFN count value to ensure that between the network and the mobile station according to the embodiment of the present invention Can be synchronized, which includes packet download display messages, multiple TBF download display messages, and & resource request messages. The multiple TBF download display messages have been proposed to display multiple TBFs between ^ and a mobile station Message. In general, the field for LSB = must contain appropriate messages for each possible Bf.

200402212 V. Description of the invention (17) In the content of the corresponding message, the LSB must contain the following description: {〇 | lBSSHFN_LSB: bit >} HFN_LSB (1 bit field) The HFN_L SB field contains information related to the establishment of the wireless carrier of TB F The least significant bit of the value of the HFN counter. Overall, it is clear that minor modifications must be made to the current specifications to implement embodiments of the invention.

9541.ptd Page 22 200402212

Schematic description [Schematic description] Figure 1 shows a counter input method for a cryptographic algorithm. Fig. 2 shows a signal flow of an embodiment of the present invention established by uploading bF. Fig. 3 shows a signal flow of an embodiment of the present invention. This embodiment is related to the establishment of tbF transmitted in non-MAC mode. Fig. 4 shows a signal flow of an embodiment of the present invention. This embodiment is related to the establishment of a TBF transmitted in the MAC idle mode, and uses a single-phase ^ packet proximity method. Figure 5 shows the signal flow of the embodiment of the present invention. This embodiment is the establishment of tbF transmitted in the MAC idle mode, and uses a single packet approach. FIG. 6 shows the uploading RLr, such as a number block, used in the GPRS TBF mode, which is used in the embodiment of the present invention; and

FIG. 7 shows an upload data block used in the EGPRS TBF mode, which is used in the embodiment of the present invention. C [Notation] BSS-Base Station MS-Mobile Station

PACCH-Packet-related control channel PAGCH-Packet proximity access channel GPRS-General packet wireless system EGPRS-Enhanced GPRS DBPSCH-Exclusive basic physical sub-channel 200402212 The diagram briefly illustrates TBF-Temporary data block flow SFACCH-Shared fast related control channel HFN-Super frame number BSN-Block sequence number RLC / MAC-Wireless link control / middle-level proximity control 3GPP-Third-generation Partnership Project reliability algorithm 3G MSC-Third-generation mobile service switching center 3G SGSN-Third-generation servo public Packet Wireless Service Support Point MAC-Media Proximity Control

9541.ptd Page 24

Claims (1)

200402212 VI. Scope of patent application [Scope of patent application] 1. A method for synchronizing a counter of a mobile station (MS) in a mobile communication network with a counter of a network element (BSS) in a mobile communication network, wherein The values corresponding to these counters are used as parameters to encode and decrypt the data transmitted between the mobile station (MS) and the network element (BSS). The method includes the following steps:-On the mobile station (MS) and the During the establishment of the temporary data link between the network elements (BSS), in the corresponding other device (BS, MS), the counter in the mobile station (MS) or the network element (BSS) is transmitted. At least the least significant bit of the present value of the counter (HFN — LSB); ^ — based on the least significant bit of transmission (HFN-LSB) to cause transmission to the corresponding other device QQ γλ. Counter synchronization station (BSS) on the clothing 1 (BSS, MS) or the network :: :) port :: law '# Operate the transmitter sent by the action, where the transmitter, M =) as the data sent The least significant bit (HF N ^ value of the leaf counter of at least the receiver (BSS, MS f, B) is transmitted by the transmitter to the S, MS). The counter is used in the same way as the counter. (BS 3 · If the patent application Fan Yuan Action Station (MS) and the network-μ two < method, in which the counter between the 70 pieces (BSS) can be made 200402212, the scope of the patent application should be _ the present value of L, the value of one of M plus one 'makes the two out of sync, and when the least significant bit (hfn SB) transmitted by the transmitter (MS, BSS) and When the counter in the receiver (B ss, Ms) is different, the counter value is incremented by i to synchronize the counter in the receiver (B sss). 4 · If the method of any of the above items in the scope of the patent application, the complex is in a given radio bearer (Radio bearer) and a given direction / direction for an opaque RLC operation, in GERAN (GSM (Global System for Mobile Communications) in the Iu mode of EDGE (Wireless Proximity Network for fast data transfer rate developed by GSM), the data is transmitted in RLC (Wireless Link Control), where the corresponding count structure is HFN (frame number ... ^ Frame Number), and the least significant bit of the present value of one of the counters is in the mobile station (MS) and the network during the establishment of 4 TBF (temporary data block transmission) The components (BSS) are transmitted on an SBPSCH (shared basic sub-channel). 5 · The method according to item 4 of the scope of patent application, in which when establishing a TBF for transmission and the network element (BSS) operates as an RLC transmitter, the network element (BSS) will transmit The least significant bit (η FN-L s B) of the HFN is transmitted to the mobile port (MS), where the downlink message is used to establish between the mobile station (μs) and the network element (BSS) The download ^ ;. () 9541.ptd 200402212 VI. Scope of patent application, 6 The method according to item 5 of the scope of patent application, in which the download message is a packet download to display "message" or a "Duo Ding b F download display", message. For example, the method of any one of items 4 to 6 of the scope of patent application, in which when the fr-t early packet is immediately uploaded 1 ^ 61 ?, and the mobile station RLC I acts as a MAC (Media Proximity Control) idle state To the network element station (MS) * The minimum effective bit in the data block containing-for the data block containing-until the inner valley resolution is completely used up on the mobile station (M) until. (MS) The method of claim 7 of the patent scope in Μ Α ί 2. The RLC / MAC number in the ## broadcast in ▲ ^ ^ κ lu / block contains a field, which contains a BSN (方 掳 庠 列(The number is the least significant bit of the HFN; the line carrier,…-the field of "the middle of the history of Γ ΐ ΐ any one of the 4th to 8th of the scope of patent application, , Go, the TPB is near to upload the TBF and the mobile station (MS); Tun Hai MAC (media break law 丨,, 1V1 b J in the state of the shooter flavor = system) operation as an RLC transmitter, The action A f Λ RL · U% de # u = (MS) Here, the packet resource request is “from the transmission of an HFN”, the female n X1 thinks “the daring” / dare] effective bits to the Network components. 10. As for the scope of the patent application, for the method of establishing an upload TRPyry, the term, and the action σ (Ms) operation is as 200402212 VI. When applying for a patented RF transmitter in a non-MAC (Media Proximity Control), the mobile station (MS) sets the minimum effective bit (n FN — LSB) is transmitted to the network element. 1 1 · As in the method of the scope of patent application No. 10, the upload message is a packet resource request message. 1 2. The method according to any one of claims 4 to 11, wherein a block for inserting the corresponding least significant bit (HF Ν LS Β) of the corresponding H f Ν provides the following items At least one of the following: packet download display, multiple TBF download display, and packet resource requirements. 13 · A mobile station (Ms) contains: a mechanism for temporary data linking;-establishing a network element (BSS) of a mobile communication network-a data link embroidery:-linking an established temporary data link to the action A mechanism for encoding and / or decrypting data transmitted between a station (MS) and a network element (BSS); _ 一 / ^ 数 ^, 'for providing—a value, use this value as the value in the operation ^ and Parameters for encoding and / or decoding codes of data transmitted between network elements (BSS), and-one according to the patent application Ifl 1 s ^ ^ ^ ^ ^ ^ dry enclosure 1 to 4 and 7 to 1 2 One of the items is worthy of being adapted to a network element (BSS) 9541.Ptd Page 28 200402212 VI. Scope of patent application 0 -1 pair V-1 Λ mobile station (Ms) contains: Temporary connection: establishment of network element (BS s) of the organization's communication network 〆 '-establishment via The intelligent) and-network components (B s: the data link, the password decryption mechanism in the mobile station;) the data code and / or ~ a Douhongya that provides a value Used for ―: moving? Second, use the value as a parameter-a machine 1 for code transmission and decryption; and component (BSS):-network element (BSS) receives the network effect bit, and the Lti: corresponding counter At least the minimum value of the present patent application ^ 1 id The counter in the mobile station (M s) is synchronized according to any one of the range 1-4 of Θ profit-seeking. Urine contains: 15. A network element of a mobile communication network (B ... including ~ for a mobile station (MS) rfr ^ ^,-a temporary temporary link establishment through-, "SS) and-mobile? f M. , Data linking to send data between the network element (B _ or the decryption mechanism Γ) to encode and / or implement the value 'encode the password in the network element (ws) and the exclusive data and / Or decrypt 6. When applying for a patent range code, the value is taken as-see I.-An organization that transmits to the mobile station item according to the effective bit of the application, and sets at least the t range of 1 to 6 and 12 items of the counter. (MS). ~ .A 丄 Contains 6. A network element (B s S) package of a mobile communication network-for a mobile station (Μς, ##. ^ Establishment-a temporary link mechanism;-via-the established temporary data link A mechanism for transmitting data for encryption and / or decryption between the network element (B-S) and a mobile station (MS); a counter that provides a value at the network element (B $ $ ) And the mobile station (MS) to encrypt and / or decrypt the data, this value is used as a parameter; and-an organization, this organization from a mobile station (M s) in the middle (MS) -At least one least significant bit of the present value of the corresponding counter, and this mechanism synchronizes the counter in the network element (BS s) according to one of the scope of patent applications 1 to 4.