TW201004252A - Enhancements to the positioning pilot channel - Google Patents

Abstract

A method for communicating transmitter identification in an interlace structure of a communication network system using positioning pilot channels (PPC), comprising: (a) encoding pilot information on a first portion of a plurality of subcarriers in a positioning pilot channel symbol for an active transmitter; and (b) encoding transmitter identification information on a second portion of a plurality of subcarriers of the symbol; wherein the first portion of the plurality of subcarriers comprises at least first and second interlaces and the second portion of the plurality of subcarriers comprises at least a third interlace; the pilot information is scrambled in the first interlace with a wide area identifier and scrambled in the at least second interlaces with the wide area identifier and a local area identifier; and wherein at least one of the interlace includes the transmitter identification information in the form of one or more transmitter location coordinates in a free interlace.

Description

201004252 VI. Description of the invention: [Technical field to which the invention pertains] The present application is generally related to the communication system, which is known from the prior art, and more specifically, is used for transmission in a communication system. Method and device for identifying information of the transmitter in the wheel gate temple. This patent application claims to apply for the provisional application No. 61/, No. 178, No. 178, and the interim (1) in the interim year (1), please refer to No. 6 1/023,919, and The priority of the provisional application No. 61 / 024, 143, which was filed on January 28, 2008 by Biting Yue, and the provisional application for the transfer of the case to the assignee and the expressly incorporated herein by reference. . [Prior Art] Communication systems currently known (such as '1 Valley Delivery/Media Decentralized System (for example, forward link only (FLO) or digital teardrop, digital video broadcast (DVB_T/H) system) In the meantime, the instant and non-instant service buttons are usually placed in the transmission frame (for example, the FL Ο hyperframe) and delivered to the network on the network. In addition, these communication systems can utilize orthogonal points. Frequency multiplex (OFDM) is used to communicate between the network server and one or more mobile devices. This donation is used to transmit data over the §fl box. These data slots are packaged with content that will be delivered as a value private, Sema transmission waveform over a decentralized network. It is known to use the pilot channel (PPC) in the FLO network to perform some The action of the wireless network is crying, and the transmitter identification and position determination. In other words, it is known that the transmission is crying, and the identification is based on the transmission from each individual transmitter to one. In the role of the device, PPC sign-off +, # pay the V-frequency symbol to determine a channel profile (channel profile). Although the bran value _ _ ..., 1 输 输 identification code can not be explicitly coded in 138133.doc 201004252

In the PPC symbol, 'but as long as the transmitter knows the schedule of the symbol in the relay', the identifier of the transmitter in the m area can be judged, such as u in the pseudo-time division multiple access (TDMA) mode. Sorting (for example, the transmitter follows a known time sequence in which only one transmitter is active in the active zone in the given zone). Therefore, it is possible to use the position of the active PPC symbol in the superframe to map the wheeler to the corresponding PPC symbol, but additionally use the additional item (4) in the superframe (for example, the additional information symbol just ). Under this scheme, the periodicity (i.e., scheduling) of the network transmitter in the hyperframe must also be known by the receiver. SUMMARY OF THE INVENTION According to an aspect, a method for communicating transmitter identification in a communication system is disclosed. The method includes encoding pilot information on a first portion of the subcarriers in a symbol of the active carrier, and encoding the transmitter identification information on a second portion of the plurality of chirps of the symbol. According to another aspect, a device for communicating a transmitter to identify a poor message in a network is disclosed. The apparatus includes: a first module configured to encode pilot information on a first portion of a plurality of subcarriers in a symbol of an active transmitter; and a second module configured to Transmitter identification information is encoded on a second portion of the plurality of chirp carriers of the symbol.

In turn, another device for transmitting a transmitter identification poor message in a communication system is disclosed. The apparatus is characterized by encoding a pilot information Z component on a first portion of a plurality of subcarriers in a symbol of an active transmitter, and for encoding on a second portion of the plurality of subcarriers of the symbol The member of the wheel finder to identify information. 138133.doc 201004252 According to yet another aspect, a computer program product is disclosed. The computer program product includes a computer readable medium having a code for encoding pilot information on a first portion of a plurality of subcarriers in a symbol for transmitting a signal by a computer, and And causing a computer to encode the code of the transmitter identification information on the second portion of the plurality of subcarriers of the symbol. In another aspect, at least a processor is disclosed that is configured to perform a method for transmitting transmitter identification information in a network. The method includes encoding pilot information on a first portion of a plurality of subcarriers in a symbol of an active transmitter, and encoding transmitter identification information on a second portion of the plurality of subcarriers of the symbol. In yet another aspect, a method for determining transmitter identification information in a device in a communication system is disclosed. The method includes receiving, by a transmitter, at least one symbol having a plurality of subcarriers. The method further includes determining a channel estimate and an energy measurement of the at least one symbol using the first portion of the plurality of subcarriers in the at least one symbol, and decoding the plurality of subcarriers in the at least one symbol A dedicated second part is used to determine the transmitter identification information. According to still another aspect, a device for determining transmitter identification information in a device in a communication system is disclosed. The apparatus includes means for receiving, by a transmitter, at least one symbol having a plurality of subcarriers, and for determining a channel estimate of the at least one symbol using a first portion of the plurality of subcarriers in the at least one symbol And an energy measuring component. The apparatus further includes means for decoding one of the plurality of subcarriers in the at least one symbol 138133.doc -6 - 201004252 dedicated second portion to determine the transmitter identification information. In the re-existence, it reveals a kind of computer program product. The computer program is characterized by a computer readable medium having a program for causing a computer to transmit at least a symbol of a plurality of subcarriers = for causing a computer to use the plurality of symbols Part of the subcarriers is the Γ% code of the at least-symbol-channel estimate and the energy measurement. The body is also packaged (4) for the computer to decode the at least one of the plurality of subcarriers dedicated to the code of the second part a information.卩Cartoon Transmitter Identification In yet another aspect, it is assumed that the transmitter transmits the transmitter identification information in the form of a transmitter position coordinate (eg, (10) position coordinate), which is presented herein for presenting and transmitting the transmitter. The novelty of the location information [Embodiment] This disclosure relates to the use of the online transmission (four) in the transmitter = = and the skirt. The methods and apparatus are supplied for the use of π. = Heart transmitter identification and location batch scheme. This scheme does not require the transmitter schedule in the LAN area to be known to the receiver. For details, : Jie 2: The method and device use the m: character including the transmitter identification information. Only the timing information from the super frame and the identification code of the transmitter in the ppc transmission device are needed. In a particular example, the pass two: code can be explicitly encoded in the PPC symbols. By not explicitly encoding the ppc symbols, the higher order scheduling information of the == transmitter is transmitted at the transmitter. However, the transmitter processes to embed the transmitter identification code information into the PPC symbols in a robust manner, and receives the crying value at 1 - the PPC symbol will have to be processed to extract the second code. However, the 'passer identification information supply reception=transmission' and the use of the channel profile of the identified transmitter for the corresponding position of the position required to use the lesser base, the original. In addition, can be used Additional information identifying and flattening is signaled to the receiver, regardless of whether a particular transmitter is using other symbols. For the purposes of this description, reference is made to the use of orthogonal frequency division multiplexing (OFDM) to provide the network. Transmitter ^ 仃 器件 之间 ( ( ( ( ( ( ( ( ( ( ( ( ( 传输 传输 传输 传输 传输 传输 传输 传输 传输 传输 : : : : : : : : : : : : : : : : : : : : : : A signal receiver in which 'a plurality of transmitters from the network is regarded as being from the same-Pak Right./ The signal can be connected to the J source but has different propagation delays.太立所J·息— _ 4_文An exemplary OFDM system that can not be detonated can be, for example, .. The superframes include data symbols for servicing the device from the servo. According to the example, the data slot can be defined as a The symbol time occurs—the predetermined number of f-symbols (cases '500). In addition, one of the super-frames 〇FDM symbol time can carry eight data slots (only as an example). - The real H-frame - the PPC includes a PPC symbol for providing a transmitter identification π for the channel estimation of the individual wheelers in the tunnel. These individual channel estimates can then be used for network optimization (transmitter delay for network optimization and power profile measurement) and position location (via measurement of delays from all nearby transmitters, followed by triangulation) Test 138133.doc 201004252 Technology). In an exemplary system, the hyperframe boundaries at all transmitters can be synchronized to a common clock reference. For example, the common clock reference can be obtained from a Global Positioning System (GPS) time reference. A receiving device can then use the PPC symbol to identify the channel estimate for the particular transmitter and one of the group transmitters from the vicinity of the receiving device. • Figure 1 illustrates a communication network f, 100 that can be used with the methods and apparatus disclosed herein. The illustrated network 100 includes two wide area areas 102 and 104. Each of the wide area areas 102 and 1.4 typically covers a large geographic area, such as a state, a plurality of states, a part of a country, an entire country, or more than one country. Further, the wide area 1 〇 2 or 1 〇 4 may include a local area (or sub-area). For example, wide area area 102 includes local area areas 1〇6 and 1〇8, and wide area area 104 includes local area area丨丨〇. It should be noted that Network 1 only describes the network configuration and can cover other network configurations with any number of wide and local areas. Each of the local area 106, 108, 110 includes one or more transmitters that provide network coverage for mobile devices (e.g., receivers). For example, Lu's area 108 includes transmission stealers 112, 114, and 116 that provide network communications to mobile devices ii 8 and 120. Similarly, region 106 includes transmitters 122, 124, and 126 that provide network communications to devices 128 and 130, and region 11A is shown as having transmitters 132, 134, and 13 that provide network communications to devices 138 and 140. 6 〇 As illustrated in Figure 1, a receiving device may be a transmitter in its local area, a transmitter in another local area within the same wide area, or a transmitter in its local area 138133.doc 201004252 Receive hyperframe transmissions including PPC symbols. For example, as illustrated by arrows 142 and 144, device 118 can receive a hyperframe from a transmitter within its local area 1-8. As illustrated by arrow 146, device 丨丨8 may also receive a hyperframe from a transmitter in another local area 1 〇6 within wide area 102. As illustrated at job 48, device 118 can potentially further receive a hyperframe from the transmitter in local area 11 'local area 110 in another wide area 1〇4. As stated in the citation of this article, on September 6, 2002, Shen Jing's title is "Methods and Apparatus f0r Positi〇n L〇cati〇n than g

The symbols transmitted by the active transmitter are configured differently such that their transmitters are idle relative to p or are disclosed in U.S. Patent Application Serial No. U.S. Pat. stand-by. In the program, each transmitter makes two =: machine to determine which transmitter in the area will become "acting transmission one... (4) in this application 'should note' the role of the transmitter in the transmission symbol The PPC symbol includes identification information that uses at least a portion of the subcarriers (e.g., 'interlace'). Although assigning a symbol to the -=m will cause any number of effects to be stolen. Therefore, each passer Associated with the active symbol, the transmitter transmits over the idle portion (eg, interleaved) of the boundary: the predetermined device can then be configured to not receive, g + Melon 1." The information of the special ppc symbol of the leisure of Zou Bazhong. This allows the transmitter to carry the transmission during the idle part of the 1 π knife delivery 138133.doc •10- 201004252 to provide power (also network performance. Energy in another example) stability to maintain, 1 The symbol transmitted on the ppc is designed to have a long cycle first code 1^ write the first one. Each) allows the receiving device to utilize the remote transmission to achieve the purpose of location specificity. This mechanism allows the receiving device to receive the identification of the beacon from the specific transmitter during the payment in the associated role of the sneak peek, without any from the region because the other transmitter is transmitted at f#, "The interference of the court is a "." It is transmitted on the part (interlaced) between the δHaihu tigers. 2 shows an implementation of a communication system including a transmission of a transmitter (referred to herein as TxID), and a charging channel including a frequency band (ppc) via a wireless link 204. A plurality of transmitters in the 2Q2 superframe frame receiving device (for example, five transmitters ^τ5) = ^Τ1_Τ5 may represent their passers in the vicinity of the device_ and may be included in the same game as the benefit 206 Intra-domain transmission _ can be transmitted in different local areas 11 ' or different wide-area transmitters ° should pay attention to 'transport UTi-Ding 5 can be the same / to, a time base (for example, (four) time) communication network The knives of the knives allow the superframes transmitted from the transmitter (7) to be aligned and synchronized in time. It should be noted that it may be possible to allow the start of the hyperframe to have a fixed offset relative to the single time gate and to account for the offset of the individual hoppers in the determination of the propagation delay. Therefore, the content of the transmitted hyperframe can be the same for the same local area, but can be different for different local or wide-area transmitters. However, since the network is synchronized , the festival, etc. (4) alignment, and the device 2〇6 can be added from nearby symbols via PPC, and their symbols are also aligned. As illustrated by the exemplary transmitter block, each of the 138133.doc 11 201004252 may include transmitter logic 208, pPC generator logic 21, and network logic 212. Receiver device 〇6 may include receiver logic 216, PPC decoder logic 218, and transmitter 1) decision logic 220, as illustrated by exemplary receiving device 222. It should be noted that the transmitter logic 208 can comprise hardware, software, firmware, or any suitable combination thereof. Transmitter logic 208 is operable to transmit audio, video, and network services using a transmission hyperframe. Transmitter Logic 2〇8 can also operate to transmit one or more ppc symbols in a superframe. In one example, transmitter logic 208 transmits one or more PPC symbols 234 in a hyperframe via PPC 202 to provide transmitter identification information for use by receiving device 222 to identify a particular transmitter and for Achieve other purposes such as positioning. PPC generator logic 210 includes hardware, software, or any combination thereof. The ppc generator logic 210 operates to incorporate the transmitter identification information into the symbols 234 transmitted via the ppc 202. In the example, each -ppc symbol contains a plurality of subcarriers that are grouped into a selected number of interlaces. An interlace can be defined as a set or collection of equally spaced subcarriers across the available frequency bands. It should be noted that 'interlacing' may also consist of a group of subcarriers that are unevenly spaced apart. In an example, each of the transmitters T1_T5 is assigned at least one PPC symbol. The PPC symbol is referred to as the active symbol of the transmitter. For example. The transmitter T1 is assigned a PPC symbol 236 in the PPC symbol 234 in the superframe and the transmitter Ts is assigned a PPC symbol 238 in the symbol 234 in the superframe. The PPC generator logic 21 operates to encode the transmitter identification information into the active symbols of the 138133.doc 201004252 transmitter. For example, each "symbol group" is referred to as two. The two PPCs in the interleaved "9" idle interleaving are generated as logic 210 operations to encode the transmitter identification information in the dedicated mediator of the t,.士士丁JJ 5, pass the light to cry Τ 1 message ^ symbol 236 in the role of interlaced transmission, and transmission "5 4 Bebe system in the special role of the symbol 238 interlaced upload wheel. The loss is not in the role of the symbol Transmit its knowledge, the ppc generator logic adds _ idle information on the idle interlace of the remaining symbols. For example, if PPC2G2 contains ten symbols, in the Qing network, ten transmitters will be assigned to each other. The _ppc symbol is used as its individual action = number. Each transmitter will be interleaved in its role as a symbol: code identification information, and will be interleaved between the remaining symbols. A transmitter transmits a Bay-T #input logic 212 operation on an idle interlace of a ppc symbol to adjust the power of the transmitted symbol to maintain a constant energy power level per symbol. Huntable by hard, soft, firmware Or any combination thereof to configure the network logic 212 ° network logic 212 is operable to receive network provisioning information 224 and system 乂i, system usage. Use provisioning information 224 to determine for each of the transmitters - the active symbol, in the During the time symbol, the transmitter will interleave the identification in its active symbol--use system day-to-day 226 to synchronize the transmission so that the receiving device can determine the channel estimate of the transmitter and the auxiliary propagation delay. The receiver logic 218 comprises hardware, software or any combination thereof. The receiver U 218 "sends the transmission of the transmission frame 138133.doc -13· 201004252 from the nearby transmitter on ppc 2{) 2 and Ppc is fine. Receiver logic 21δ operates to receive the ppc symbol... and pass it to PPC decoder logic 220. (10) The coder logic 220 includes hardware, a body, or any combination thereof. The ppC decoder logically operates to decode the (four) symbols to determine the specific transmission k code associated with each. In a nutshell, the decoding logic-operations are used to decode the interleaving of the received per-PPC symbols to determine the disc, the associated specific transmission code is transmitted, the identification code is determined, and (4) the decoder logic 2 is operated by The channel of the transmitter is 1 meter. For example, the use of the code n logic 22G associated with the received hyperframe can determine a channel estimate for the transmitter in response to each received ppc symbol. Thus, the ppc decoder logic operates to determine multiple transmitter identifiers and associated channel estimates. The receiver passes this information to the location decision logic 2 2 i. The location decision logic 221 includes hardware, software, or any of its = logic (2) operations to calculate the device based on the information received from (4) _ _ 2:: 亀 职 及 and associated channel estimates. For example, the location of the transmitter Τ1_Τ5 is determined by the network entity to determine the distance of the device from the locations. 2 2丨 Then use the triangulation technique to measure the position of the device. During operation, each of the transmitters 202 is in the middle of the action-symbol at least == the transmitter identification information. PPC generator logic 21. The operation is based on the network = ... 24 to determine which symbol is the role of the _ specific transmitter in the symbol two 138133.doc -14- 201004252: the input is interleaved to transmit its identification in the role of the symbol in its role: = generate Logic 21. The transmitter is allowed to transmit idle information on the idle of the remaining ppc symbols. Because each :: energy input (i.e., interleaved or idle interleaved): Transmitter power does not experience fluctuations that would interfere with network performance. When =206 receives the m: symbol outlier on the PPC 202. Bind 1: The interlaced transmitter in each PPC symbol recognizes that the transmitter can be identified by the ^r-ppc symbol, and the device can determine the channel of the heart (four) transmitter. The 11 pieces continue to count until the multiple transmitters are obtained. The position determination 2 is: based on these estimates, the position 228 is performed on the third two = two corners! The measurement technique operates to determine, in the second instance, the position determination logic, the ... the wheel identifier and the associated channel estimate are transmitted to the other network entity to determine the other network implementation algorithm. The location of the device. Shaw's other Si on the body: The positioning system contains - has a computer-readable medium: by: a:: command ("instruction... brain program, the computer can. Locating system CDR 〇 M, remember; J from a computer readable medium (such as a flexible disk, * ^ ^ ^ ^ ^ ^ # ' RAM ' R〇M ^ ^ ^ and / or .pc decoder logic 2 :: The processor logic m device or network resource to download the instruction. 丄::: to 138133.doc 15 201004252 Operational operation to provide an example of a positioning system as described herein. Therefore 'the system is at the transmitter Operation to determine the role of the symbol 'one of the specific transmitters in the role of the symbol to interleave the bean identification message. The positioning system is also operated at the receiving device to identify the channel of the transmitter in the received PPC symbol Estimating, and performing a triangulation technique to determine the location of a device. The transmission frame 3 is shown in Figure 3, which can be used in the system of Figure 1 or Figure 2, each of which includes 彳Words 3 〇 2, - or multiple data messages ^ 〇 4 (for example 'in the example of Figure 3 is 4 Data frame) and (4)/reservation of Fubo 306 'Preamble data 3〇2 includes time-division (tdm) pilots (eg, TDM1 and TDM2), wide area identification channel (WIC), local area identification channel (LIC) And an additional information symbol (〇IS) 3〇2. According to an example, the ppc symbol can be configured such that the loop first code length is increased to one-half the number of sub-carriers, such as an instance of 4 〇 96 sub-carrier symbols. The number is increased to 2048 chips. For example, the received loop first code is received. The receiving device of the K box takes full account of the interchangeability of the channel delay spread. Therefore, according to an example, each The physical layer (ΡΗγ)ρρ(: symbol will have a duration of 6161 chips (the loop first code of 2〇48 chips +4〇96 chips +1 7 chips window). It should be noted that this The disclosed example assumes a "4K" (ie, a window of 4 〇 96 chips) Fast Fourier Transform mode. Further, according to this example, as will be discussed later, the Media Access System (MAC) PPc symbol can be defined as equal to Each symbol has eight interlaced PHYs with a duration of 61 61 chips PPC symbol (ie, ΡΗ γ ppc for "4K" FFT). However, the ppc symbol structure can be grouped 138133.doc 16 201004252, making it similar to the corresponding FFT mode (eg, ικ, 2K or 8Κ) The data symbol structure. Therefore, again assume that the loop first code is equal to one and a half of the FFT window and 17 window chips. For the 1K & 2K FFT mode, the number of chips per symbol will be, for example, 1553 chips. (1〇24 chips + 512 cycles first code + 17 window chips) and 3〇89 chips. The number of MAC PPC symbols (for example, 8) in a superframe will still be the same as the mode. It should be noted that this number is provided as an example only, and those skilled in the art should

It is possible to configure other PPC symbol configurations and durations within the scope of this disclosure. As can be seen from the above discussion, the cycle first code of the ppc symbol will be different from the data symbol in all FFT modes. For example, as mentioned above, the loop first code for the 4K FFT mode will be 2 〇 48 chips instead of the more typical 512 chips for the data note. . Figure 4 shows a functional diagram of the interleaved structure of the (10) DM symbol 谠400 not used for symbols transmitted by the active transmitter. According to an example based on the above illustrative numbers, symbol 400 will include the sub-carriers that are divided and grouped into eight interleaved (1) mountains as shown, such that each interlace contains $i 2 subcarriers, the subcarriers The frequency or carrier frequency is usually not adjacent. As mentioned previously, it may be desirable to use a receiving cry. In order to collect the first, a receiving device needs to use the symbol H pilot subcarrier to determine the channel estimate. Second, the receiving device needs the identification code of the transmitter corresponding to the frequency meter. The interleaving in the payment number 400 transmits the pilot carrier frequency and transmits the identification information. In the particular example of FIG. 4, the subcarriers of the symbols are labeled with reference numerals, examples, and the first part of the damage (ie, 138133.doc 201004252 error 12, ", I6" and interlace 1 labeled 410. Interleaved for the purpose of transmitting pilot carrier frequency modulation. In the case of interlace 10, 12, 14, 16 by wide-area scrambler seed (ie, 'wide-area discriminator bit (WID)) and bureau The domain disturbs the pirate seed (ie, the 'localized identifiable bit (LID)) to disturb the pilot to ensure maximum interference suppression across the "Hai (etc.) network. & external, interleaved I, by active transmission With the pilot pilots, the pilots are only disturbed by wid (9), for example, the LID is set to zero) in order to reduce the number of hypotheses that the receiver must assume, and thus reduce the number of processing in order to jointly determine WID and LIE) According to a specific example, the wide area identifier WOI ID and the local area identifier [〇1 ID are available at two more layers and are actually available when decoding the 〇is symbol. At the physical layer, different disturbances are used Seeds (WID and / or ^(7) to distinguish across regions and sub-regions (ie, Transmission of domain and local area. In one example, the WID can be a 4-bit intercept and used to separate wide-area transmissions, and the LID can be another 4-bit intercept for separate local transmissions. There are 16 possible WID values and 16 possible LID values, so the WID and LID values may not be unique throughout the network deployment. For example, a given combination of one of WID and LID can potentially map to at most W〇i ι〇 and LOI ID. However, network planning can be done so that the reuse of wid and LID will be geographically separated. Therefore, 'unambiguously in a given neighborhood' It is possible to map a given WID and LID to a specific w〇I and LOI. Therefore, at the physical layer, the PPC waveform is designed to carry WID and LID information (ie, with interlace, i2, i4, l6, and ^ 丨 i i). As mentioned above, 'the transmitter in the active state should transmit at least 2 〇 48 pilots' to enable the receiver to estimate the channel with the required delay spread 138l33.doc, 18-201004252 The four interlaces of the transmitter should be used in this role. Then use the transmission: the wide area and The WID and lid of the domain disturb the four roles, and are wrong (for example, I(), l2, l4, Ie). One of the symbols of the receiver will therefore be the pilot of the interleaving towel from the first PPC symbol. Extract WID and LID ', and then use 5 hai WID/LID information to obtain the juice from the specific transmitter. The disturbance by WID and LID also provides suppression of interference from the transmitter in the adjacent LAN. However, the corresponding WID/LID identification step at the receiver may become complex and σ. If each interlace is scrambled using both WID and LID, the receiving benefit will have to be jointly detected for scrambling. Wid and seeds. There are six possibilities for each seed, so that the receiver will have to try 256 hypotheses for common detection. Therefore, receiver detection can be simplified by allowing independent detection of wm and UD seeds. Thus, in the disclosed example, the ppc waveform includes another group of subcarriers or interlaces having pilots that are only scrambled with WID values (eg, interlace 1〇 labeled with reference numeral 41〇, where the value of the lid bit is set 0000. In addition to the above, the apparatus and method of the present invention includes the use of another portion of the subcarrier to transmit specific transmitter identification information contained in the PPC symbol 400. In detail, the second portion of the subcarrier includes one Another non-zero interlace in the PPC symbol. According to the example illustrated in Figure 4, the interlace I3 labeled with reference numeral 412 may include transmitter identification information, but any other idle interlace may be used. This self-contained transmitter identification information allows The receiver processes a PPC independently of the normal frame processing. In detail, the acquisition of the wheeler identification can be obtained only from the PPC process, and will only rely on the TDM1 of the ppc process. 138133.doc •19· 201004252 = Second test, this is used for coarse timing measurements. In addition, this generates a transmission 频c which can be used to support location-specific applications in the communication network because each transmitter is essentially There is no interference channel. Thus, for example, the 'per-transmitter can be configured to give information about a particular application other than the transmitter identification information via the transmission-specific channel. Therefore, other interlaces can be applied to apply the material. The specific type of information included in the transmitter identification information may first include a = transport identifier bit, which provides a unique identifier for the transmitter. In an example, it is expected The number of bits can be 18, but any number of bins can be utilized. Also, additional signal transmission information bits can be allocated in the wheeler identification information to indicate more specific information about other information to be transmitted. For example, the signal transmission information can be used to indicate to the receiving device whether the transmission is to use other symbols to transmit other information and how many other symbols will be used. In an example, the signal transmission information contains 3 bits. In the example, the payload of the transmission benefit identification information will be 21 bits (for the 18 bits of the transmitter + 3 bits for the signal transmission information) The number of fewer or more. The eight transmitter identification information may also include an error detection code such as a cyclic redundancy check (CRC). In one example, the CRc function can be obtained by the cRc polynomial 4 +/+x4+ To define, it produces a 7-bit Crc. The heart has a parental error of 41, although any other idle interlace can be used, which can include - or multiple transmitter position coordinates (eg, GPS longitude, latitude, and or altitude). Transmitter identification information in the form of a height coordinate). In addition, slot 3 can be used as a 138133.doc -20. 201004252 transmitter identification indication repository can also include network delay information. It should be noted that the parent error is also referred to herein as a slot when used with transmitter position recognition. In this 'on-the-spot, slot 3 (i.e., interlace 13) maintains transmitter (TX) position information. In one method (method 1), regardless of whether the transmitter identification information or other parameters are signaled in the PPC packet, a fixed bit PPC packet length of, for example, 80 bits is used. This provides 1 each of 8 bits. District of bits

The block, the mother 8 bits are converted into 100 bits. Along with the shorter length of the PPC package, a longer payload is achieved. In testing and implementation, a single PPC packet size is beneficial. The packet type (field assignment) is self-contained to allow scalability n to include other parameters such as transmission power and number of hyperframes. Two methods of implementing how to allocate ppC bits are shown in options 1 and 2 shown on slide i. The Red-Muller code can be used for both types of real/, including the use of the same cardinality (64, but the Reed-Muller code, but truncated to (4), 7). The pass (4) is repeated twice in Option 2 instead of 5 兀. Other coding schemes are possible during the generation of 68 bits from the 18-bit transmitter ID. In another method (method 2), the (four) bit packet is used regardless of whether the transmission It ID information is signaled in the ppc packet. Explain on slide 2 - bit allocation. Also, the other attributes and benefits of Method 2 are not shown in slides 3 and 4. A third method (method 3) is set forth in attached slides 5 through 8, and the sample format assignment is shown on the slide 7 7 'βο and on the sheet 17. Since the mother-transmitter can be in three states (also gP, inactive, 138133.doc 201004252 identified or reserved) in the early position of each PPC MAC time - the reserved state is used to pass the ± down In the case of Method 3, 'pass the ppc and swear. In addition to network extensions, the information includes transmitter ID and methods, clocks, latitude, longitude and altitude. This 〇 、, using turbo coding. As shown on slide 6, there is a more robust coding for the 1000-bit oil supply than the Reed-Muller code. As shown on slide 5, an embodiment includes four pilot slots and =, and - transmitter position slot transmitter iD information - A direct δ ί ί 置 placed in any of the data slots . Ζ 5::: Includes 5 data slots and 2 pilot slots. There is more redundancy in the case of the feed trough with the three data slots. As can be done in Figure 4, the error or the subcarrier group (e.g., the interleaving in the example of Figure 4 [5 indicates the values of 414 and 416) will cause the ppc symbol to become zero in effect. Next, the energy in each interlace is (8/6) times the total energy of the total to ensure the power level of each of the M PPC symbols. However, it should be noted that the power between the symbols in the action = the interleaving (e.g., 'interlaced 1 及 and interlaced 16') does not need to be uniform. Rather, in different interlaces, it can be assigned differently. Rebellion & 士^ 5 'The energy of the father's fault 13 can be set to 8Ε/3, and the energy of the interlaced ml6 and the energy of the intersection can be set to 2ε/3, or in other words, the energy level of the interlaced l3 is the five Interleaving four times the energy of each of m, i4 or 16. Assuming the exemplary hyperframe structure discussed above, using eight available ppc symbols per hyperframe, a hyperframe can support eight transmitters in the local area. However, in some deployments, the number of transmitters in a local area can be higher than eight J38133.doc -22· 201004252 =, only the transmitters in a particular local area are constrained to be positive in time, can be used Network planning is to schedule transmitters across different localities so that self-interference in the payment can be avoided or at least mitigated. Two Bu's can hope to support more than 8 transmitters per local area. To reach an example

The "...f domain will support 24 transmitters. To support this, the 罔路 can be configured so that each transmitter will transmit every three (7) super-frames - the tPPC symbol - times. In this case, the network plan and additional parameters can be used to inform the poller when its respective active state will occur and when it will transmit the identification λ on the assigned role. The periodicity of the hyperframe can be programmed at the network level so that the system can be fully tuned to support additional transmitters. The periodicity used by the network can be kept constant throughout the network deployment, simplifying network planning. And additional information for transmitting information. In an example, the periodic information used in the network is broadcast as an additional item = to allow for more stylizedness of the parameter. In addition, in each The domain has 30 available PPC symbols. The constraints on network planning to mitigate interference at the boundary of two different localities are also relaxed. 'Figure 5 shows the network as illustrated in Figure 2 and Figure 2. Road network Or an exemplary ppc symbol transmitted by the inactive transmitter. As can be seen, the inactive PPC symbol 500 has an interlace 1 to 16 that becomes zero. The error κ is referred to by the number 502) is the passive transmitter symbol 5 〇〇 has non-zero energy only—interlace. The pilot transmitted in interlaced I? does not contain meaningful data or information, and the interleaving can be called “dummy” interleaving. According to the disclosed example, the energy in the interlaced L is also proportionally adjusted to be 8 times per available for each FDM symbol interleaving I38I33.doc -23 - 201004252, so that ^, ^, ^ satisfies a constant 〇ί1Μ Symbolic energy constraints. The pass or the non-active PPC symbol 5〇〇 ensures that the transmission does not interfere with the pilot of the active transmitter. As illustrated in Figure 4, the pilots are interleaved in the I]' 12, 14 and 16 uploading rounds. of. Figure 6 „ Brothers and Months are used to encode the transmitter identification device in the interleaving of the ppc symbols in action (such as the interlace illustrated in Figure 4). The installation of i6〇〇 first includes: for setting the transmission _ Modules 602 that are not (TxID) bits and allocated bits. As discussed above, the number of bits used for Txm bits and allocation bits can be set to 18 and 3, respectively. This is assumed for purposes of illustration. The embodiment 'passes a bit from module 6() 2 to module 6() 4, and the module _ is grouped to add the CRC bit (❹' as mentioned above, seven bits) to Tx .ID bit and allocation bit. Module 6〇4 then passes the total bit (which may be collectively referred to as "transmitter identification information") to an interleaver 6〇6 (eg, block error) . The specification passes 28 bits, and the block interleaver 6〇6 can be configured as a 4 X 7 matrix 'where the bits are written row by row. The bits are read out column by column to achieve interleaving. However, it should be noted that various other types of suitable interleaving that are contemplated by those skilled in the art for use with the presently disclosed apparatus and methods are contemplated. The interleaved bits are read out to an encoder 608 to encode the bits according to a predetermined coding scheme. In an example, encoder 〇8 may encode the octets using a Reed-Muller (RM) error correction code, such as a first- (64, 7) RM code. In this example, the interleaver 6〇8 passes the μ information bits to the encoder 610. With a (64,7)R]VU^, the 28 information bits will be encoded to obtain four 64-bit code blocks. Missing, | — ..., 牡一特 138133.doc •24· 201004252 In the example, when 250 coded bits are needed to match a specific number, the resulting 2S6 bits will be too large. Therefore, the 2 bits of the (64, 7) RM code can be punctured, resulting in the description of the culling module 61 内 in the encoder 6 ( 8 (62'7_code. In - specific instance In the case, the bits corresponding to the positions 62 and 63 in the Reed Muller codeword can be eliminated. Therefore, when encoding the 28 information bits, the result will be the state encoded bits. For example, the encoder 6〇8 Further illustrated by the zero insertion module 612, two zeros can be added:

The four code blocks are used to achieve 25 经 coded bits. A receiver will again assume that the bits are zero during decoding. ^ illustrates an exemplary hardware circuit 7 that can be used in the transmitter to generate an image and, more specifically, within the encoder 608. As illustrated, the hardware circuit receives a -7-bit input as illustrated by the receive input bit_to the called input I. The circuit also includes... (eg, 6) a bit counter 7〇4 that receives the clock input to increment the counter. By multiplying 706 by multiplying the output of the juice counter 7〇4 by the input bit to each of the %—in addition, multiplying the most significant bit Π16 by a constant binary “丨 (block 7 is called By summing block 71(), the output of the multiplier is outputted by a RM (64, 7) codebook, A 1 士¥m ... 2), which is a series of 64-bit values of one. In the example, the cull increase can be obtained by discarding the values ~ and ~ from the above-mentioned shell example, and the 250 loops output by the encoder 6 〇 8 to Fig. 6 ' Once the encoder is 〇 8 pairs The transmitter information can be used by the repeater 614 to ensure that the number of bits matches the specific number. The processing gain of the repeated supply at the receiver ", ·, the refill can be repeated four times a total of 138133.doc -25 - 201004252 1000 bits, which will result in a processing gain of 6 dB at the receiver. After the repeater 614 repeats the bits, as described by the scrambler 616, the bits are scrambled. In an example, the bits may be scrambled with a sub-port based on a PPC symbol index (e.g., 0 to 7 in this example) and a trough mask that is the same as the interleave index. After the disturbance, the modulator 6丨8 modulates the disturbed bits for transmission according to any of a variety of modulation schemes. In the example above where 1000 bits are used, the bits can be mapped to QPSK symbols, which results in 500 QPSK symbols. In a 〇FDM physical layer symbol having four interleaved 4 〇 96 data subcarriers each of which is 5 12 bits each, 500 QPSK symbols will fill an interlace, depending on the PHY layer symbol to have 6475 The mapping of the ppc symbols of the duration of the chip spans one or more physical layer symbols. It should be noted that the use of repeater 614, scrambler 616, and modulator 618 is only one example of a modulation scheme, and those skilled in the art will appreciate that other suitable modulation schemes can be used with the disclosed methods and apparatus. Further, in the above example, it is assumed that the mode of the receiver has _4_ samples (i.e., "4K") fast Fourier transform (FFT) windows. It should be noted that 'the use of phase@methods and other modes of the device (for example, H 2Κ or 8Κ) is covered. After being modulated by the modulator 61 8 , for example, the varnish can be interleaved by the parent error 620 to mitigate the frequency variations that may occur during transmission on the 1 phase 1 channel. . In addition, depending on the FFT mode, the modulation symbol of the father's fault is mapped to one or more ppc physical layer (PHY) symbols. In the above example of the 4κ阡 mode, the 500 modulated symbols are interleaved and mapped to an I38133.doc -26 - 201004252 PHY PPC symbol. In another example of a 2K FFT mode, the interleaved cells may be interleaved, or more often the inter-staggered symbols may be interleaved in different interlaces (interlaced).

8 shows a method 800 for providing transmitter identification in a wireless system, such as the systems illustrated in FIGS. 1 and 2. For example, the method 8 is suitable for determining the position by a transmitter in the network for allowing the receiving device to recognize the wheel carrier and the base wheel mode. In an example, the method 8 can be performed by a transmitter configured as described at 214 as shown in FIG. As shown, in the method 800 open / ~ work ^ Na δ υζ, in: determine the transmitter identification information. As an example, as shown in FIG. 2, the network supply data 224 that can be self-delivered to the transmitter 214 is known.

The 'TxID' information can be based on the designation of the network and is inherent to the transmitter. After a J 疋 or capture to the TxiD information, as explained by step 804, the borrower receives information about the destination transmission for the PPC symbol 曰 2 = or idle state. As explained earlier, the current idle idle wheel is at the present. Idle or dummy of the PC symbol:: Wheel 2 carries the wheel. In the real-life, the father's fault, the network logic in the input state (for example, Wei Wei cry 214 in Figure 2) (for example, the logic port or device receiving from the platform... The determination of the current transmitter state from the network supply 224 to the current transmitter state in the decision step 806 in the mode or in the middle of making the current PPC symbol transmission mode as an example is available by means of Figure 138133.d〇i The decision is made by the ppc generator logic 2 in the transmitter 214 shown in 2, 201004252 2. If the spoofing is active for the current ppc symbol, then the processing flow proceeds to step 808, in which The pilot is encoded on the _th portion of the subcarrier (e.g., 4 carriers of interlace L, ΐ2, ΐ4, Μ.) by scrambling the pilot with wm and LID seeds. Additionally, as shown in step 8 The pilot is encoded on the other part of the first part of the subcarrier (the subcarrier in the Ή士乂1) by using only the WID seed to interfere with the pilot. It should be noted that the subcarrier is specified. The first part means that the plurality of available subcarriers are used for transmission. The portion of the frequency-frequency tone, such as the subcarriers of the interlaces 1 〇, L, U, 0, and the subcarriers of the interlaced U. As an example, the transmitter logic 2 〇 8 and illustrated by FIG. 2 Ppc generator logic 2 (7) performs encoding of the pilot as indicated by steps 808 and 810. As explained by step 8! 2, the second portion of the subcarrier (e.g., the interleaved "subcarrier") is encoded The wheeler identification (TxID) information is shown in the figure of Figure 8, and the examples in Figure 6 and Figure 7. According to the pre-determined code of the paired TxID information. As a result, you can use the example of Figure 1. The illustrated transmitter logic 208 and PPC generator logic 2 are encoded as TxID as shown in step 812. The TxID is compiled. The processing stream can then be returned to step 8〇4 to agree. Superframe or; 一 A sub-frame below the -PPC symbol is encoded. As an instance, can be: Transmitter logic (such as 'logic 208') to pass the symbol if the decision step 8〇 The 6 places judged that the current PPC symbol is not in effect, 旒, as illustrated in Figure 8, the processing stream is replaced. The first ~ inverse main step 81 6. In the case of 138133.doc • 28- 201004252, as shown by step 816, the available subcarriers specified by one of the plurality of available subcarriers in the current ppc symbol (eg, interleaved) 7) The encoding has idle information. As an example, the encoding can be performed by PPC generator logic 210 and transmitter logic 2〇 8. After encoding in step 14, the processing flow proceeds to step 8丨4 to transmit the encoding. Ppc symbol. It should also be noted that the power level of the PPC symbol can also be performed as part of the transmission of the ppc symbol at step 814. As previously discussed, this j: constant symbol power of the SFN system. As an example, power adjustment can be performed by transmitter logic 208. The method_ therefore operates to provide a system to provide transmitter identification via the ppc symbol from the transmission. It should be noted that the method _ is merely representative of the embodiments, and it is possible to change, add, delete, combine or otherwise modify the method_ within the scope of the present disclosure. Although for the purpose of explanation, the method of the corpse of Figure 8 is not described as a series or multiple actions, the processing described in this article is not limited by the order of action! It can occur differently from the order of the people shown and described herein and/or the Pandou# private flight, and his actions occur simultaneously. For example, those skilled in the art should understand that the method '', the event, such as the opening of the figure, is the opening of the "off state or shape". Moreover, not all illustrated acts may be required to implement a method in accordance with the disclosed exemplary embodiments. Figure 9 illustrates an apparatus for transmitting a ppc symbol having a traversed state discrimination. The 4 set 900 can be implemented as a component of the transmission crying transmitter. Device 9〇. The second picture/middle wheel 214) or 匕 悲 以 以 接收 接收 接收 接收 接收 接收 接收 接收 接收 接收 接收 接收 接收 接收 。 。 。 。 。 。 。 。 。 。 。 The module 9〇2 can receive information such as the supply profile 224 disclosed in FIG. 2 of I38133.doc •29-201004252, or any other suitable information about the state of the transmitter, such as the transmitter acting on the ppc transmission. Still idle, or transmitter identification information (TxID). As an example of an embodiment of the module 902, one or more of the transmitter logic 〇8, the generator logic 210, and the network logic 212 can be utilized. Apparatus 900 further includes a module 904 for encoding pilot information on a portion of the plurality of subcarriers in a symbol of one of the active transmitters using the seed wm. As an example of the implemented functions of the module, the first portion of the plurality of subcarriers may be subcarriers that are partitioned into the interlace L and scrambled with a WID seed (eg, LID is set to 〇〇〇〇) . Another module 906 for encoding transmitter identification information on another portion of the first portion of the plurality of subcarriers of the symbol using the WID and LID seed is illustrated in Figure & In a particular embodiment, module 〇6 can be configured to encode pilot information using the subcarriers of interlaces 1, 12, 14, and 16. Although modules 904 and 906 are shown as split into two in the example of FIG. 9, the modules can be configured for subcarriers belonging to the first portion of the plurality of subcarriers (ie, interleaved) A single module encoding the pilot information above. It should be noted that as an example of the embodiment of the modules 9〇4 and 9〇6, one of the transmitter logic 208, the PPC generator logic 21, and the network logic 212 may be utilized. Or more. The apparatus 900 further includes a module 908 for encoding a transmission benefit identification (TxID) §fl on a second portion of the plurality of subcarriers (e.g., interleaved "subcarriers") according to a predetermined coding scheme It should be noted that as an example of an embodiment of the module 〇8, one or more of the transmitter logic 〇8, the ppc generator logic 138133.doc -30-201004252 210, and the network logic 212 may be utilized. 900 also includes a module 91〇 that transmits the _ppc symbol, the PPC symbol includes the encoded pilot on the first part of the plurality of subcarriers and the TxID on the first part of the hai. Embodiments may use transmitter logic 208 or PPC generator logic Series 21 or a combination thereof. It should be thought that the modules 9〇2, 9〇4, 9〇6, 9〇8, “^ and 912 can be provided by the group to execute program instructions or code to provide as The at least one processor described in the aspect of the system including transmitter identification and positioning is implemented. Additionally, a memory device 94 or an equivalent computer readable medium can be provided for storage in conjunction with the at least one processor. The program instructions or code are shown in FIG. 10 as an example of a method 1000 for receiving a symbol including transmitter identification information. The method 1 is suitable for receiving and decoding by the receiving device in the network by the current function. The ppc symbol transmitted by the transmitter, such as for transmitter identification and position determination. In an example, the method can be performed by a receiver configured as illustrated at 222 in Fig. 2. Additionally, method 1000 is used. As shown, once the method is started for the received symbols, the process flow proceeds to step 1002. At step 1002, at least one PPC symbol is received by the receiver. The receiver is in 4K mode. In a specific instance, The receipt of one less ppc symbol involves collecting 4 〇 96 samples of the input signal. As shown, step 1002 can also include measuring energy in one or more interlaces, such as a scaling factor for setting the FFT and for determining the Pro. The energy limit value is used to determine the WID and LID values, which will be discussed below. In a specific example, the time domain interleaved samples of the PPC PHY symbols received from a first one are measured 138133.doc -31 - 201004252 The energy in the interlaced I! can also be measured. Alternatively, the energy of the unused interlaces (e.g., interlace I5) can be measured to determine the total interference (e.g., the introduced heat and/or signal) on the PPC channel. It should be noted that in another example, a hardware in a recipient (such as receiver 222) can be configured to interrupt a processor, such as a digital signal processor (DSP), so that the programming will be performed by the hardware. The FFT scale factor used and the thresholds. As an example, the scaling factor is set to improve the quantization noise floor of the signal from the weak transmitter. The processing stream then proceeds to step 1004, from a group of subcarriers containing pilots that are only scrambled with WIDs. To determine the WID; that is, the interleaving as previously discussed. In an example, this determination can be made by receiver logic 216 and PPC decoder logic as illustrated in FIG. In another example of the inverse mode, it should be noted that a 512-point FFT can be utilized which produces frequency domain samples. In an exemplary system, WID detection will include repeated descrambling sequences (repeated 16 times using one of the "WID seeds" exemplary systems), inverse fft to generate time domain samples, and the samples with one The energy threshold is compared (based on the energy measurement of the interlace) and the energy value of the sample above the threshold is accumulated to determine which hypothetical wm value produces the maximum energy. The wid that produces the maximum energy will correspond to the WID value. After determining the WID value, the LID value is determined next as described in step 1006. Specifically, the LID is determined from the subcarrier containing the pilot scrambled with wm and UD; that is, the interlace l0. In the other example of the 4Κ mode, it should be noted that the (1) point 138l33.doc -32 can be utilized. - 201004252 FFT to generate frequency domain samples. In an exemplary system, 'lid detection will include the use of the WID detected from step 1002 to resolve the repetitive sequence (using one of 16 WID seeds and 16 LID seeds) Repeat 16 times in the exemplary system) The FFt is generated to generate time domain samples, and the samples are compared to an energy threshold (based on energy measurements such as interleaving one of the interlaces h) to determine which hypothetical LID value produces the maximum energy. The LID that produces the maximum energy Will correspond to the LID value.

In step 1008, a plurality of subcarriers encoded with pilots are then used to determine the estimate of the frequency. In particular, interleaving Iq, l2, "and can be used to obtain the shai channel estimate. In the example of the 4{;: mode receiver, 5 12 sample FFTs can be performed on each of the four interlaces to The frequency domain samples are obtained. Then the previously obtained WID and LID seeds are used to descramble the samples. Then the descrambled pilot in the frequency domain can be input to the 2〇48 (2K) sample IFFT to obtain the first time domain channel. Estimating. Once the time domain channel estimate is determined, the energy of each tap to be read by a processor, such as a DSP, is calculated and stored. Additionally, it may be based on unused interlaces (eg, interleaved previous amounts) The measured energy compares the calculated energy with the threshold to determine the signal power of the transmitter currently in effect. It should be noted that, by way of example, receiver logic 216 and ppc decoder logic as illustrated in FIG. To perform the procedure of step 1008. In the example of the procedure used to determine the channel estimation, in the above example, it should be noted that the 2K time domain channel estimation frequency can be back to the original (four) 2 time domain point or sample. An example of a stacked style consists of the following relationship Out: 138l33.doc 201004252 (1) where is the time domain channel estimation "group index, i hit + ten people wrong, and β is the channel frequency, Jing Yin I in this particular instance per channel 拙瓸m,, the channel frequency The group contains 512 chip-powered taps. Therefore, as -3, the above-mentioned square π right-related data interleaving (s) is equal to the above equation (1) becomes: K = K + jh ^7+512 w+1024

A /1+1536 is used to determine the channel estimation slope as given in equation (2). For example, the following equation can be used to give a phase, j2mis he~^ (3) for decoding. The father's fault (containing the transmitter's knowledge from the u, + - Bessie's special data interleaved) the purpose of the above-mentioned example assumes staggered s = 3 ' 屮玷 蚀 蚀 蚀 T * 人 ^ In other words, in the example of Figure 4, - The father's fault 13, which contains TxiD.接英英~ VVT > m J: JU can perform 5 12 sample FFT on / ζ „, ρι• to obtain channel estimation with frequency domain samples. After step 1008, the processing flow proceeds to, step 1 〇1 〇, in which The decoding one has the transmitter identification information (TxIE〇n seeks the breeding interlace. As illustrated in Fig. 4, the dedicated interlacing can be the interleaving j for the processing of decoding in the receiver in the 4K FFT mode. For a specific example, as mentioned above, 512 samples fft may be performed on the frequency-stacked dedicated data interleaving (6) to generate frequency domain samples. The step of deleting the processing may include using the corresponding channel estimate for QPSK modulation. Interleaving l3 produces! The log likelihood ratio (LLR) of one bit. Then, similar to the deinterlacing of data symbols, the llr is deinterleaved by B8133.doc -34- 201004252. Then, in four cycles The LLR of 1000 bits is averaged to achieve an LLR of 250 bits. For example, this averaging can be done according to the following relationship: 々=4 + 々+250 + 々+500 + 'ir+750,众=〇,1,...249 ( 4 ) where ξ represents the average LLR for the kth value After averaging the LLRs to produce 250-bit LLRs, they can be processed by a processor (such as a DSP). It should be noted that, in an example, by (for example) by receiving ( The hardware implemented by the logic 216 and/or the PPC decoder logic 218 performs the averaging. Additionally, the processor may be comprised by the receiver logic 216 and/or the PPC decoder logic 218 illustrated in FIG. This does not necessarily mean that only hardware logic is included. After the 250-bit LLR is delivered to the processor, Red Muller decoding can be performed. For example, the 64-dimensional fast of LLR can be calculated for each code block. Hadamard Transform (FHT), assuming that the previously discussed exemplary encoding uses f RM (64, 7) encoding. In addition, only the (64, 7) RM code is transmitted by culling in the exemplary encoding discussed. 62 of the 64 bits, so the receiver can replace the truncated bit with zero for decoding purposes. ' Therefore, the transform F is equal to, where // is a 64x64 Hadamard matrix, and i : Table representation corresponds to an RM code block (ie, 7 bits, assuming the above exemplary The code uses the LLR of the four code blocks of 28 bits. After the transformation F has been calculated, the position of the item of the largest magnitude within the transformation F is determined. Due to the characteristics of the FHT, the position of the maximum magnitude entry The binary representation will provide six of the seven message bits in the RM code block. The sign of the maximum value entry 138133.doc -35- 201004252 provides the seventh message bit, where τ °海5ί1 Bit 兀* is 在 when the sign is positive and 1 when the sign is negative. After decoding all the RM code blocks (that is, four RM code blocks in this example) containing the transmitter identification information, the cyclic redundancy check (CRC) can be checked to ensure reception. However, since _ ^ ° heart position 70 is (high probability) no error. In the case of CRC matching, the 偻 wheel cries _ the search for the poor message can then be used by the receiver 'WID, LID and power measurement signal can be used; The transmission state identification information is transmitted by the receiving device to identify the ppc symbol of the active ppc symbol (as indicated by step 1012). Since the PPC symbol includes a self-contained transmission, the receiving device does not need to perform additional processing to recognize the value in the selected state, thus providing fast and active transmission identification. In addition, 庑, , *, 立, J, should be considered, this information can be used together with channel estimation, wm, LID and power measurement information - or more to determine the transmission of the receiving device relative to the (etc.) Location information of the device, such as via triangulation or any other suitable technique. – After the processing of step 1〇12, the processing flow proceeds to decision step 1〇14. A determination is made whether to indicate additional or other p p c symbols from the signal transmission information within the transmitter identification information. If not + % μ * 疋 right without deducting extra symbols, processing 1000 ends. Alternatively, if additional symbols are indicated, then processing flows from step (8) to step 1016 to further decode the additional symbols. It should be noted that this process can be accomplished in a manner similar to that discussed above in connection with one or more of steps 1002 through 1008. ,

It should be noted that the ^ cover is used for processing of other FFT mode code symbols at the receiving device. For example, assume that 2K chess-receive devices 138133.doc -36- 201004252 collect 2K samples from each symbol. A 256-point FFT can then be performed for each of the time domain interleaved samples in the symbol. The frequency domain interleaved samples from the 256-point FFT can then be concatenated with samples from across two symbols (e.g., ΡΗ gamma symbols). As an example, if the set of 256 interlaced samples from a first symbol is represented as 6 = /^. less / 0, less 2, less and the set of 256 interlaced samples from a second symbol is represented as r strict, ;, outside 7, is;;···, is ",", then the resulting series of these two sets of samples can be expressed as Bub "力义.,

Less 2jj,. , _νΛ;, is ",··_, 汐. After 512 samples from a plurality of ρΗ γ symbols are concatenated, as discussed above in connection with one or more of steps 1〇〇2 to 1〇16, the side and (10), channel estimation, and llr generation may be similar. Processing of 4K FFT operation mode. In another example of a 1K FFT mode, a 128 point FFT is performed on time domain interleaved samples from each pHYppc symbol. Similar to the above example, the resulting frequency domain samples from the four PHY PPC symbols are concatenated to form an interlace. In yet another example of the 8K FFT mode, the main idea is that the interleave contains 1 000 subcarriers. Therefore, the processing performed by the receiving device will perform channel estimation using the 肌 muscle processing and 4 KIFFT processing. Second, the operation is for receiving and processing symbols including transmission identification information at the receiving device. Shore, H should, think, method 1000 only indicates that an embodiment is within the scope of this disclosure, the change, addition, deletion, combination or other modification of method (10) 0 is awkward, although the same, to achieve It is easy to explain: the method of the diagram is shown and described as being understood, the action described in this article: - Some actions may be different from the limit of this _: action - person order, because not in the order of description Orders to send 138133.doc -37· 201004252 Health and / or concurrent with other actions should be understood, the method can be either a dry A ^ compiled technical sub-list is not a series of related states or events, like the state map Form. In addition, not all illustrated acts may be required to implement a method in accordance with the exemplary embodiments disclosed herein. The « η display-received-independent-example or alternatively can be used in a device for use in a system with transmitter identification information for use in a receiver. The device mo includes a group 11〇2 for receiving at least a -PPC symbol and determining one or more interlaces (such as 'interlaced used (eg, Μ and unused interlaces (eg, 5)) As explained by the connection to the communication bus u(10), the energy determination can then be shared with other modules within the device. It should be noted that this ® flow diagram architecture is illustrative and intended to illustrate that various communications can be performed in the device. The placement of the modules 1100 also includes a module 11 for interleaving (e.g., interleaving the wID seed). (As explained earlier, the determination of the motion may include based on previous measurements. The energy is determined by the module (e.g., by module 11 〇 2). The WID determined by module 1106 is passed to module 11 〇 8 for determining the LID from the predetermined interlace (e.g., interlaced 1 使用) using WID. Moreover, the measured energy is detected by the module n〇8, and the measured energy is determined by the module 1102. The device 1100 further includes interleaving for self-acting (eg, interlacing 1〇, 12) , I4 and id determine the module 111 of the channel estimation. As explained earlier For example, the determination of the channel estimate can include comparing the energy calculation of the tap to an energy limit, such as the energy threshold determined by module 102. Also included is a decoding dedicated interleave (eg, 13) to determine the transmitter. The identification information 138133.doc • 38· 201004252 (TxID) module ιι 12. As an example, as described in detail above in connection with FIG. 7 (7), the module 1112 can perform decoding processing. A module 1114 for determining a transmitter identification code based on the TxiD (and receiving device clamp based on transmitter ID, channel estimation, and energy measurements) is provided in the slot 1100. The module 1114 can include the following functionality: Cycle through the checks to ensure that the received message bits are error free, and if there are no errors, trigger the transmitter for use with a processor such as processor 丨 116 (which can be a DSp or other suitable processor), wm The LID and the measured power are used to fill the transmitter 1 in the receiving device 1100. The transmitter ID table may be included in a memory device that communicates with the processor 11 16 and/or the module in the device 100. 11 Within 18. It should be noted that the modules Π 2, 1106, ! j 〇 8, ! [(〇, ii 2 and ii* can be configured to execute program instructions to provide the transmitter identification described herein). And implementing at least one processor of an example of a location system. In an example, modules 1102, 1106, 1108, 1110, and 1112 can be implemented by receiver logic 216 and/or ppC decoder logic 218. In an example, module 1114 is implemented by location decision logic 221. Additionally, memory device 1 或 8 or an equivalent computer readable medium can be provided in conjunction with the at least one processing for storing program instructions or code. It should be noted that 'general purpose processors, digital signal processors (DSPs), special application integrated circuits (ASICs), field programmable gate arrays (FPGAs), or other programmable devices that are designed to perform the functions described herein may be used. Logical crying, discrete gate or transistor logic, discrete hardware components, or any set of illustrative logic described by any group of people in the end or combination of executions 138133.doc -39- 201004252 logical block, Modules and circuits. A general purpose processor may be a microprocessor, but in an alternative embodiment, the processor may be any conventional processor, controller, microcontroller, or state machine. The processor can also be implemented as a combination of computing devices, e.g., a combination of a DSP and a microprocessor, a plurality of microprocessors, one or more of a DSP core, or any other such configuration. The steps or processes of the method or algorithm described in connection with the examples disclosed herein may be directly implemented by hardware, a software module executed by a processor, or a combination of both. The software module can reside in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, scratchpad, hard disk, removable disk, CD-ROM or known in the art. Any other form of storage media. An exemplary storage medium can be coupled to the processor such that the processor can read information from the storage medium and write the information to the storage medium. In an alternate embodiment, the storage medium can be integrated into the processor. The processor and storage medium can reside in the ASIC. The ASIC can reside in the user terminal. In an alternate embodiment, the processor and the storage medium may reside as discrete components in the user terminal. The description of the disclosed examples is provided to enable any person skilled in the art to make or use the presently disclosed methods and apparatus. Various modifications to the disclosed examples can be readily appreciated by those skilled in the art, and the general principles defined herein may be applied to other examples without departing from the spirit or scope of the disclosure (eg, in Instant messaging service or any general wireless data communication application). Therefore, the present disclosure is not intended to be limited to the examples shown herein, but in the broadest scope of the principles and novel features disclosed herein. The word "exemplary" is used exclusively in this article to mean 138133.doc -40- 201004252 "used as an example, example or saying. Shi Qi Shan j times = children's Ming". Any of the examples described herein do not necessarily require an understanding of the A H A case, which is preferred or advantageous over other examples. Therefore, 'although this article has been published in this article, the gentleman said the month and the examples of the communication system with transmitter identification', but it should be understood that the examples can be carried out without departing from the spirit or essential characteristics. Various changes. 138133.doc 41 201004252 zxian If a palladium discrimination ^^odd^^ooo丨杷Me· ?F 馀辎鹄KMe^udd^KO^alka 矣砘^αιί · I 柃 M#s

The comment indicates that the TxID or other parameters are like extra bits in the *QC design to match the packet size as in the QC design. 1 is like the number of bits in the QC design. CN 〇〇〇in m Field i Packet Type Transmitter ID Reserved Allocation CRC Note indicates TxID or other parameters 0.125 seconds resolution as above 4 m resolution i in microseconds 1 as in QC design 1 as in QC design bit number (N ΓΛ (N 〇y 1Η cn block type latitude longitude elevation) High network delay allocation CRC i mmooISc/(3a) * I38133.doc -42- 201004252 eifudd^ every 9S 丨杷HC· fF^^^^Me^udd^KO^^^^^^al^l· Alkali铋Φ饀粦udd more: z 柃 柃 Mf review #\ < '

The comment indicates which parameter is sent with the TxID as in the QC design, which can be latitude, longitude, altitude + network delay, or one, or one is reserved as in the QC design, as in the QC design, the number of bits in the QC design is 00 m. Bit Packet Type Transmitter ID Parameter Assignment CRC 138133.doc •43- 201004252 π要如^客备犮犮α^^ΙΑΙώ· 雕 杷 - - - 哒 ^^00^-3⁄43⁄4°1 inch-ilng base w ^n?r real 1·^ face, -ΤΝ嘱-ffil# ·

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.^与学9卜6 138133.doc •47- 201004252 踽船杷杷銮銮同^^棘^^<:11||粲致^佥衾阳^· <你β^: ε柃柃柃Note As in the QC design, the 0.125 second resolution is the same as the above 4m resolution in microseconds. The i payload is 976 bits. For any PLP, the number of any PLP bits is 00 r ^ 〇1 * Η 〇〇 〇〇 传输 传输 传输 传输Latitude longitude, altitude, south, network delay, retention, CRC, reservation, tail, 138133.doc -48- 201004252 Μ趄^畲^cut 馁^茕^#||夺龄>>^馊^英翁拳令1<- - «璁#^侩+ + Ύ I I杷矣杷矣#ί私丨教3⁄4剧碱妹豸 豸女蜊 Every W II wins every doubt ^侩+ 碱碱制琼墩β发龙! I praise and 漪- 豸 豸 豸 + ^ + ^ 昶镧 & & ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^Mt 审: lie 138133.doc -49- 201004252 [Simple diagram of the diagram] Figure 1»The communication network that can be used to reveal the transmitter identification scheme is shown in Fig. 2, Fig. 2 » The characteristics of the vehicle are the identification of the wheel transmitter Example of a communication system for transmission of information; Figure 3 shows a transmission hyperframe that can be used in the system of Figure 2 or Figure 2; Figure 4 shows the function of an interleaved structure of OFDM symbols for PPC symbols transmitted by an active transmitter Figure 5 shows a functional diagram of the interleaved structure of OFDM symbols for ppc symbols transmitted by passive or inactive transmitters; Figure 6 illustrates interleaving for ppc symbols in action (such as the interleaving illustrated in Figure *) Apparatus for identifying a coded transmitter; Figure 7 illustrates an exemplary hardware circuit that can be used to generate a code in a transmitter; Figure 8 is not intended for use in a wireless system, such as the system illustrated in Figures 1 and 2. Method for transmitter identification; Figure 9 is a device for transmitting a ppc symbol with a carrier identification information; 10 shows a method for receiving - including symbols of transmitter identification information; and FIG. 11 is another example of a receiver device or alternatively can be used in a receiver in a system having transmitter identification information. Device. 〃 [Main component symbol description] 100 Communication network 102 Wide area 104 Wide area 138133.doc 50- 201004252 106 Local area 108 Local area 110 Local area 112 Transmitter 114 Transmitter. 116 Transmitter 118 Mobile device 120 mobile device 122 transmitter 124 transmitter 126 transmitter 128 device 130 device 132 transmitter 134 transmitter 136 136 transmitter 138 device 140 device ' 142 arrow - 144 arrow 146 arrow 200 communication system 202 pilot positioning channel 204 wireless chain 138133.doc -51 - 201004252 206 Receiver 208 Transmitter Logic 210 PPC Generator Logic 212 Network Logic 214 Transmitter Step 216 Receiver Logic 218 PPC Decoder Logic 220 Transmitter ID Decision Logic 221 Location Decision Logic 222 Receiver 224 Network Supply Information 226 糸 Time 234 PPC Symbol 236 PPC Symbol 238 PPC Symbol 300 Transmission Hyperframe 302 Preamble Data 304 Breeding Frame 400 OFDM Symbol/Active PPC Symbol 402 Interleaving 1〇404 Interleaving 12 406 Interleaving 14 408 Interlaced 16 410 interlaced h 138133.doc -52- 201004252 412 Interleaving I3 414 Interleaving I5 416 Interleaving I7 500 Inactive PPC Symbol 502 Interleaving 17. 600 Apparatus for encoding transmitter identification in interleaving of PPC symbols in action (such as the interleaving illustrated in Figure 4) 602 a module 604 for setting or determining a transmitter identifier (TxID) bit and allocating a C11 bit, a module 606 for adding a CRC bit to a TxID bit and an allocation bit, an interleaver 608, an encoding 610 encoder 612 Zero Insertion Module / . 614 Repeater 616 Scrambler 618 Modulator ' 620 Interleaver 700 Hardware Circuit 702 Input 704 Counter 706 Multiplier 708 Block 138133.doc -53- 201004252 710 900 902 904 906 908 910 912 914 1100 1102 1104 1106 A module for transmitting a PPC symbol having transmitter identification information configured to receive network provisioning data (eg, transmission status information) for use with a seed WID in operation The module of the first part of the plurality of subcarriers in the symbol of the transmitter is used to use the WID and the LID seed to use the first part of the plurality of subcarriers of the symbol A portion of the module for encoding the transmitter identification information is configured to encode the transmitter identification (TxID) information on the second portion of the plurality of subcarriers (eg, the subcarriers in the interlaced Is) according to a predetermined coding scheme. A module module memory device configured to transmit PPC symbols for use in a system having transmitter identification information for use in a receiver for receiving at least one PPC symbol and determining energy in one or more interlaces The module communication bus is used to determine the WID seed module from a predetermined interleave (eg, 'interlace 1') for using the WID to determine the LID from a predetermined interleave (eg, 'interlace 10') 138133.doc -54 - 1108 201004252 Πιο A module for determining a channel estimate by self-acting interleaving (eg, interlacing ίο, ί2, J4, and 16) for decoding a dedicated interlace (eg, 13) to list transmitter identification information (TxID). 1114 Module Processor '1118 Memory Device for TxID Based Transmitter Identification Code (and Receiver Location Based on Transmitter 1116 ID, Channel Estimation, and Energy Measurement) Τ1-Τ5 transmitter

138133.doc ·55·

Claims (1)

201004252 VII. Patent application scope: 1 _ A method for transmitting transmitter identification in a staggered structure in a communication network system using a positioning pilot channel (PPC), the method comprising: a) in an action Transmitting a pilot information on a first portion of a plurality of subcarriers in a pilot channel symbol; and b) encoding transmitter identification information on a second portion of the plurality of subcarriers of the symbol; The first portion of the plurality of subcarriers includes at least a first and a first error, and the second portion of the plurality of subcarriers includes at least a third interlace; the V-frequency interference is used in the first interlace a wide area identifier to scramble and to use the wide area identifier and the local area identifier to scramble in the at least second interlace; and: at least one of the X errors is included in an idle interlace The transmitter identifies information in the form of one or more wheel position coordinates. The method of claim 2, wherein the transmission benefit identification information is encoded in at least the third interlace. 3 · If the request item 1 $ , ', /, the parent error structure is divided into eight interlaces. 4. The method of claim 3f i, wherein the transmitter position coordinates are longitude, •, year X, or altitude coordinates. 5 · If the request item 4 >,, t # # medium longitude, latitude and or altitude, the 4 wheel position coordinates are in interlace 3. 6 · If request jg $ r 7. such as request item;, 'Interlace 3 also includes network delay information. The method, in which one of the 80 bits is a fixed bit PPC packet 138133.doc 201004252 The length is used to provide 10 blocks of 8 bits each, and each 8 bits are converted into 1 〇 位 bits. 8. The method of claim 7, wherein the 80-bit PPC packet is assigned the following options: field bit number packet type 2 TxID or other parameter latitude 23 0.125 second resolution longitude 24 0.125 second resolution altitude altitude 10 4 m Resolution Network Delay 11 Allocation 3 CRC in microseconds 7. The method of claim 7, wherein the 80-bit PPC packet is assigned the following options: Number of field bits Packet type 2 TxID or other parameter transmitter Π) 18 Reserved 50 extra bits to match the packet size allocation 3 CRC 7 1 0. The method of claim 8, wherein the packet type further includes parameters of the transmitter power and the number of hyperframes. 11. The method of claim 9, wherein the packet type further comprises a parameter of a transmitter power and a number of hyperframes. 12. The method of claim 1, wherein the encoding of the transmitter identification information comprises: interleaving the information bits of the transmitter identification information; encoding the bits using a predetermined encoding scheme; 138133.doc 201004252 Encoding the bits to ensure that the number of bits matches a predetermined modulation scheme; modulating the bits according to the predetermined modulation scheme; and mapping the modulated bits to the plurality of subcarriers of the symbol The subcarrier in the second part of S Hai. The method of claim 12, wherein the predetermined coding scheme comprises a Reed-Muller code. The method of claim 12, wherein manipulating the encoded bits comprises culling or a plurality of encoded bits and replacing the culled encoded bits with a zero value. The method of claim 12, wherein the predetermined modulation scheme comprises a modulation method. The method of claim 1, wherein the communication system comprises a fdm communication system. Positioning pilot channel (PPC) to convey a transmitter identification device in an interlaced structure of a communication network system, the device comprising: a) a first module configured to be in effect One of the transmitters is configured to encode pilot information on a first portion of the plurality of subcarriers in the pilot channel symbol; and b) a second module, the group is sad to pay a plurality of pairs of 5 tigers in the shai The second part of the carrier is encoded on the transmitter identification information; wherein the first part of the plurality of subcarriers includes at least first and second interlaces, and the second part of the plurality of subcarriers includes at least one 138133. Doc 201004252 Three interleaving; °Hai frequency interference in the first interlace with a wide-area identifier to disturb and use the wide-area identifier in the $小楚-& And a local identifier to disturb; and wherein the parent is in the middle At least one of the transmitter identification information in the form of one or the evening transmitter position coordinates in an idle interlace. 18. 19. 20. 21. 22. 23. The first partial packet 3 of the subcarriers is at least first-and second-interlaced' and the second portion of the plurality of sub-carriers includes at least one third interlace. The device of claim 17, wherein the interlaced structure is grouped into eight The interleave. For example, the device of the item 17 wherein the longitude, latitude and/or altitude of the wheel position coordinates are in the interlace 3. The device of the β-term 20, wherein the interlace 3 also includes the network delay information. For example, the apparatus of claim 21, wherein one of the fixed bit packet lengths of 8 bits is included to provide one block of each of 8 bits, and each 8 bits is converted into 10 0 bits. The device of claim 22, wherein the 8 pp bit ppc packet is allocated with the option: field packet type latitude longitude altitude altitude network delay allocation CRC bit number 2 TxID or other parameter 23 0.125 second resolution 24 0.125 seconds Resolution 10 4 m resolution Degrees in microseconds 3 7 138133.doc 201004252 24. The device of claim 22, wherein the 80-bit ppc packet allocates the following options: Block number of packets Packet type 2 TxID or other parameter transmitter ID 18 Retain 50 extra bits to match the packet size allocation 3 CRC 7 〇 25. A computer program product comprising: C) a computer readable medium containing: one of the transmitters for making a computer in effect a code for encoding a pilot resource on a first portion of the plurality of subcarriers in the pilot frequency symbol; and a code for causing a computer to encode the transmitter on a second portion of the plurality of subcarriers of the symbol a code for identifying information; wherein the first portion of the plurality of subcarriers includes at least a first and a second interlace, and the second portion of the plurality of subcarriers includes at least a third interlace; the pilot information includes The program for causing a computer to be scrambled by the material identifier in the first interlace is used to enable the computer to use the wide in the first to the second interlace; or the identifier and a local area identifier for scrambling code; and wherein at least one of the interlaces is for red field recognition, and is used to cause a computer to encode one or more passers in an idle parent error & e 4as > 夕1 1 Search for the code of the transmitter identification information in the form of a thief position coordinate. I38133.doc 201004252 26. 27. 28. 29. 30 31. 32. The month of the month 25 is a self-programmed product, wherein the transmitter identification information is encoded in at least the third interlace. The program of 25% of the monthly & program product, wherein the transmitter identification information comprises at least one of a wheeler identification field, a transmitter allocation block, and a cyclic redundancy check bit. The computer product of claim 27 wherein the transmitter allocation block is configured to convey whether subsequent symbols including further material will be transmitted. The computer program product of claim 25, wherein the computer readable medium enters a code for the computer to transmit the information in the transmission information (four) transmission transmitter f, the allocation data indication will be - or more Subsequent symbols: Provisioning - A transmitter-specific channel used to convey the incoming data. The computer program product of the month 25, wherein the computer readable medium includes: 'a code for the information bit of the parent to identify the information of the transmitter; for using a predetermined encoding scheme to the bit Coded code, a code for manipulating the coded bits to ensure that the number of bits matches the modulation scheme; precoding the code for modulating the bits according to the predetermined modulation scheme; The modulated bits are mapped to the code of the subcarrier in the second portion of the symbol. 1 carrier The monthly computer program product of the 30-month long term, which is coded by Red Muller. , 〇3, as in the computer program product of claim 30, the μ is manipulated by the code 138J33.doc 201004252 bit into the _ 1 field package for culling - or multiple 绖 coded 兀 and with zero The value is used to replace the code of the coded bit of the 哕笙, ,工, and flat code bits. 33. As requested in item 30, the computer ''' QPSK is mutated.彳 ... The predetermined modulation scheme contains 34. The computerized production system of claim 25. ‘,中通“’system contains-_Μ通 Μ, 一二电来: readable media miscellaneous 'implemented by using a positioning pilot channel 仏 network m interlace to convey a transmitter identification method, the method comprises: , -) one of the transmitters in the use Precoding the pilot information on a first portion of the plurality of subcarriers in the positioning pilot channel symbol; and encoding the transmitter identification information on the second portion of the plurality of subcarriers of the symbol; wherein the plurality of subcarriers The first portion includes at least a first and a first parent error, and the second portion of the plurality of subcarriers includes at least a third interlace; wherein the pilot communication uses a wide area identification in the first interlace Distinguishing and interfering with the wide area identifier and a local area identifier in the at least second interlace; and at least one of the parent errors comprises one or more passes in the idle interlace The transmitter identifies information in the form of a wheel position coordinate. 36. The computer readable medium of claim 35, wherein the transmitter identification information is encoded in at least the third interlace. 37. The computer readable medium of claim 35, wherein the interlaced structure is grouped into eight 138133.doc 201004252 interlaced. 3. The computer readable medium of claim 37, wherein the transmitter position coordinates are longitude, latitude, and or altitude coordinates. 3. The computer readable medium of claim 38, wherein the transmitter position coordinates of longitude, latitude, and or altitude are in interlace 3. 40. The computer readable medium of claim 39, wherein the interlace 3 also includes network delay information. 4. The computer readable medium of claim 40, wherein one of the 80 bits of the fixed bit PPC packet length is used to provide 10 blocks of 8 bits each, and each 8 bits are converted into 100 Bit. 42. The computer readable medium of claim 41, wherein the 80 bit PPC packet is assigned the following options: Block bit number Packet type 2 TxID or other parameter transmitter ID 18 Reserved 50 extra bits to match packet size Assign 3 CRC 7 138133.doc