The method of recognition of the detained personnel data at the transport level
The invention relates to wireless communication. Object of the invention is the creation of an efficient way of finding the detained personnel data at the transport level using the minimum number of bits. The method includes the steps of comparing the sequence number of the received frame with the specified threshold value, the recognition of the received frame as a delayed frame, if the frame number exceeds the threshold value, and the corresponding detected delayed frame. According to transport Protocol delayed RLP frame can be treated as a retransmitted frame. The threshold value may be proportional to the maximum number of frames transmitted in this package, multiplied by the maximum delay expressed in HR intervals between frames simultaneously transmitted over the radio link within the same HR interval. 3 C. p. F.-ly, 10 ill. Tablicy
Claims1. The method of recognition of the delayed frame at the transport layer, whereby a variety of frames transmitted from the transmitter to the receiver, including the steps of comparing the counted payday the frame number is determined from the header of the received frame, and recognition of the received frame as a delayed frame, if the counted sequence number of the frame exceeds a predetermined threshold value, the transmission of multiple frames is carried out in batches of frames, each package contains an equal number of frames, frames that are included in any package, are transmitted simultaneously, and the step of comparing includes comparing the counted sequence number of the frame with a threshold value that is proportional to the product of the number of frames in the packet, and the maximum delay time expressed in intervals of length of the frame between frames sent in the package.2. The method according to p. 1, characterized in that it further comprises the step of processing the detected delayed frame as a retransmitted frame.3. The method according to p. 1, characterized in that the transport layer is the interface that corresponds to the Protocol radio link.4. Device for detection of the delayed frame at the transport level, and many frames transmitted from the transmitter to the receiver, containing a means of comparing the counted sequence number of the received frame with the predefined threshold value, and then counted the delayed frame, if the counted sequence number of the frame exceeds a predetermined threshold value, the transmission of multiple frames is carried out in batches of frames, each package contains an equal number of frames, frames that are included in any package, are transmitted simultaneously, the comparator includes means for comparing the counted sequence number of the frame with a threshold value that is proportional to the product of the number of frames in the packet, and the maximum delay time expressed in intervals of length of the frame between frames sent in the package.5. The device according to p. 4, characterized in that it further comprises means of processing the detected delayed frame as a retransmitted frame.6. The device according to p. 4, characterized in that the transport layer is the interface that corresponds to the Protocol radio link.7. The data transmission system comprising a transmitter, a receiver associated with the transmitter through an interface for receiving data frames from a transmitter, the processing module according to the Protocol, which is part of the receiver that is designed to compare the counted sequence number of the frame with pre-defined the module of the processing Protocol identifies the delayed data frame, if the counted sequence number of the frame exceeds a predetermined threshold value, and the transmission of multiple frames is carried out in groups of equal number of frames, with the frames included in any group, are simultaneously transmitted and a predetermined threshold value proportional to the product of the number of frames in the group and the maximum delay time expressed in intervals of length of the frame between frames transmitted in the group.8. The data transmission system according to p. 7, wherein the processing module according to the Protocol used to process the detainees frame as a retransmitted frame.
FIELD: data transfer technologies.
SUBSTANCE: method includes segmentation of length N of quasi-complementary turbo-codes on preset amount of sections, determining identifiers of sub-code packets appropriate for segmented portions, setting of said packets separated for initial transfer of sub-code, calculation of number of remaining symbols in form N-Fs, where N - length of quasi-complementary turbo-codes, and Fs - position of start symbol of sub-code of quasi-complementary turbo-codes, determining position of symbol of remaining symbols in amount equal to sub-codes amount, which have to be sent and serial transfer of sub-code symbols from position of starting symbol Fs to position of last symbol Ls.
EFFECT: higher efficiency.
5 cl, 17 dwg
FIELD: communications engineering.
SUBSTANCE: method includes selecting one combination among given combinations, appropriate for several or every generated symbols of code word to transmit generated symbols of code word with length of sub-packet, determined in accordance to data transfer speed, information, appropriate for data transfer speed, is read, also based on length of sub-packet and chosen combination, from a table, wherein identification information, pointing at data transfer speed, sub-packet length and selected combination, is, is previously displayed for given information, and generated code word symbols are transmitted in accordance to read information and in accordance to selected combination.
EFFECT: possible check transmission of information by means of hybrid automatic repeat query for increasing carrying capacity during high-speed information transfer.
4 cl, 16 dwg, 6 tbl
FIELD: engineering of high-speed wireless systems for transferring data packets, in particular, devices for supporting automatic repeat request.
SUBSTANCE: mobile station receives controlling information, including sub-packet identifier (SP_ID), representing priority of sub-packet, size of encoder packet (EP_SIZE) and priority identifier (AI_SN), which switches each time when additional new encoder packet is dispatched, during receipt of one of multiple sub-packets, formed by segmenting of bits flow, received by encoding of transmission encoder packet. Mobile station determines, whether decoding process is in order, caused by repeated transfer, for received sub-packets on basis of controlling information.
EFFECT: increased bandwidth of system.
4 cl, 22 dwg
FIELD: technology and device for controlling automatic request of transmission repeat in system for high speed data transfer.
SUBSTANCE: device for controlling operation of data channel in mobile communication system contains physical level for separate receipt of packet data and controlling message along packet data channel and data channel and decoding of received packet data and control message, controller of hybrid automatic request of transmission repeat at physical level, for computing results of decoding, received from physical level, and controlling physical level in accordance to result of aforementioned computations; device, representing controller of hybrid automatic request of transmission repeat for repeat of data transfer in mobile station of mobile communication system, contains end machine for making hybrid automatic request of transmission repeat, for receiving status information from physical level and determining results of transfer to current state for state function section and state function section for selecting operation of physical level in accordance to certain result from end machine for making hybrid automatic request of transmission repeat.
EFFECT: decreased load on highest level, possible fast transfer of controlling information via traffic control channel in accordance to result of turbo encoding to upper level independently from number of channels.
2 cl, 15 dwg, 3 tbl
FIELD: communication systems; coding in communication systems using turbo codes.
SUBSTANCE: proposed improved sequential redundancy augmentation on turbo-coding basis and automatic request for re-transmission includes first stage 102 of punching data stream during first transmission affording set of non-punched sections of first lattice. Next stage 104 involves punching data stream for second transmission affording set of non-punched sections of second lattice. Still next stage 106 includes combination of non-adjacent and non-punched sections of first and second lattices in decoder affording composite pattern with uniformly distributed sections. In this way unified punching scheme is created.
EFFECT: reduced rate of frame error occurrence due to sequentially augmented redundancy.
8 cl, 10 dwg, 1 tbl
FIELD: communication systems, in particular, method and device for fast repeated transmission of signals in communication system.
SUBSTANCE: in accordance to method, transmitting terminal transfers signals in form of packets onto receiving terminal, if the packet was intended for receiving terminal, and if that is so, receiving terminal demodulates the packet. Receiving terminal then calculates packet quality coefficient and compares computed quality coefficient to quality coefficient contained in the packet. If quality coefficients coincide, packet is redirected for further processing. If quality coefficients do not coincide, receiving terminal dispatches request for repeated packet transmission. Transmitting terminal determines, which packet it is needed to transfer again, based on request of repeated transmission, if delivery of packet in accordance to aforementioned is unsuccessful, an attempt of repeated transmission is made in accordance to common plans, based on order numbers, for example, radio line protocol.
EFFECT: provision of automatic request of repeated transfer with low delay of repeated transfer.
4 cl, 5 dwg
FIELD: wireless communication systems, in particular, system and method for decreasing losses during data transfer, when damage occurs in communication line or unit.
SUBSTANCE: invention suggests system and method for decreasing data loss in wireless networks, as a result of failures in one or several wireless communication lines or due to damage of intermediate connecting unit, while wireless network contains at least one intermediate unit (15), having internal buffer (71) for continuous buffering of data, transferred from source unit (11) to destination unit (21), and sets up alternative route for bypassing damaged unit. Lost data packets are transferred again in certain position in response to receipt of error message, denoting damaged unit, or in response to repeatedly transferred request, as a result of data failures in wireless communication network, while intermediate units, without such internal buffering, execute transfer of requests and messages to higher positioned units with internal buffering.
EFFECT: decreased data loss.
5 cl, 8 dwg
FIELD: data transmission.
SUBSTANCE: proposed method and system are capable of distinguishing between sub-bursts in current data burst and those of new one by assigning different codes to them. When sub-burst received during current moment of time and that received earlier which corresponds to data burst decoded earlier bear equivalent codes, distant station sends acknowledgement signal to base station to prevent transmission of unwanted sub-bursts. If sub-burst received during current moment of time and that received earlier bear different codes, distant station sends acknowledgement signal provided this distant station can decode new burst.
EFFECT: enhanced throughput capacity due to preventing transfer of unwanted sub-bursts without passing new data bursts.
18 cl, 5 dwg
FIELD: systems for transmitting digital data.
SUBSTANCE: method and system are described for transmitting digital data by means of expansion of serial enumeration range for protocol of selective repeated transmission. In accordance with one example of realization of that invention, data frames are transmitted, including an eight-bit serial number and one-bit flag of repeated transmission. One-bit repeated transmission flag indicates whether the frame is newly transmitted or repeatedly transmitted because of failed first transmission. Systems for transmission and receipt each support twelve-bit serial number, called "long serial number", consisting of eight-bit serial number, transmitted with each frame, and four-bit extension. The long serial number is transmitted in controlling frame, and eight-bit serial number is transmitted in data frame, making it possible to expand the range of serial numbers without modifying the number of bits used for serial number.
EFFECT: increased efficiency.
4 cl, 8 dwg