WO2003069809A1 - Procede d'organisation d'une interface radio et station de base d'un systeme de communication cellulaire - Google Patents
Procede d'organisation d'une interface radio et station de base d'un systeme de communication cellulaire Download PDFInfo
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- WO2003069809A1 WO2003069809A1 PCT/RU2002/000043 RU0200043W WO03069809A1 WO 2003069809 A1 WO2003069809 A1 WO 2003069809A1 RU 0200043 W RU0200043 W RU 0200043W WO 03069809 A1 WO03069809 A1 WO 03069809A1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/18—Network planning tools
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
Definitions
- a mobile communication system must service the maximum number of simultaneous operating stations with a given transmission and transmission. e.
- This task does not have a universal solution. In each particular case, it is resolved in different ways.
- the solution to the first option is included in the fact that the transmit-transmitting antennas of the BS have the option of transmitting the cell. It provides communication channels between the BS and the UC, which ensures the additional convenient separation of signals from the BS. At the 20th organization of the radio interface between the BS and the EU, temporary and frequent signal amplification is used.
- connection or disconnection of the BS channels is carried out in connection with the transmission of the signal by connecting the BS to the FS, when the signal is transmitted With Inadequate Quality
- 35 communications may include optional BS channels or disabled channels with worst-case transmission. How do you like it? 3 The number of bearing parts is saved in order to realize the connection with a larger quantity of EC.
- a solution to a second option is included in the case that the BS contains a pair of transmitting antennas, which are located 5 in the center of the cell.
- Sector-specific transmitting antennas operate on the BS channels and are designed such that a cell is received on the network when it enters the BS.
- the separate neighbors of the transmitting and transmitting antennas of the BS are interrupted by such a means that there is no connection between the two
- Such a division of the cell into the network allows the possibility of reducing the mutual influence of the friends on the other signals from the neighboring sectors, thereby reducing the number of mutual interruptions, and
- 35 adjustable power, total, power amplifier A transmitter connected to the signal signal box and an antenna for transmitting information in the on-line channel.
- Each of the BS antennas receives a large signal, which is 5 times the sum of the signals from the subscriber stations that are in the service area of this data.
- the power of the group signal at the input of each of the HI antennas of the BS is equal to the sum of the energy signals of each of the SCs and is an averaged communication channel.
- Analog-to-digital reception of these signals is converted into a digital format and is fed into the inputs of receivers of recording and reception of data.
- the search engine scans for irregularities and detects the signals from the SC. By detecting the signal C, the receiver is transmitting information to the accelerating processor. ⁇ occidental
- the receivers of the incoming signal process the received signal and transmit the processed signal to the unit for combining the signals with the device.
- the unit for combining signals with the device is
- a user signal from a user network that has been processed using a user-defined channel signal
- each of the three transmitting antennas of the BS has a directional performance
- the base transmitting antennas of the BS are located at the border of the cell with angular spacings of 120 units.
- transmitting transmitting BS antennas may be located in a different manner.
- All BS transmitting antennas are located at the border of the cell with angular spacing of 60 units.
- a negative version of the antenna system is concluded in that the central transmitting antenna of the BS has a quick pressure that is 120
- each of the two transmitting antennas of the BS is in contact with the transmitting antennas of the BS, which is damaged All BS transmitting antennas are located at the corner of the cell with corner
- This invention is compared to the previous technical solution by using a second embodiment of the invention, which reduces the costs associated with the use of frequency inputs.
- the processing unit of the signal and the processing of the signal 20 of the transmission signal 5 are identical to The processing unit of the signal and the processing of the signal 20 of the transmission signal 5,
- This device is operated by the following method.
- Each of the transmitting antennas of the BS 1 ⁇ - 1_ runs the group
- Block 5 demodulates the input signal and transmits it to a network of users.
- Channel 4 unit estimates the level of the signal group in each of the channels used by the transmitting antennas of the BS 1 ⁇ - 1 ,.
- a private radio on the UC is achieved by a transmission of 5 transmitted signals from the BS, in accordance with the improved evaluation of the communication channel.
- the parts for a network communication system with a simple temporary separation ⁇ Yu signals are directly and indirectly transmitted to and communicated to one and the same. Therefore, the direct and indirect channels of communication are one and the same.
- the procedure for transmitting a signal from a BS transmitter is performed as follows.
- An informative signal from the network is received through block 5 to block 6, and a signal is generated for transmission via the 15th channel.
- the regular placement of the transmitting and transmitting antennas is only at home or at home.
- ⁇ a ⁇ ig. 2B shows a sectional view of sections of equal power capacities of the electromagnetic radiation to the horizontal plane for the volumetric view, which is shown. 2 ⁇ .
- ⁇ a ⁇ ig. 2C shows a sectional view of equal levels of 20 magnetic capacities to a horizontal area for a larger view. 2 ⁇ , the case is shown when the “dead zone” ⁇ , resulting from the complex of high-rise buildings, is assumed to be absent, when it occurs. ⁇ a ⁇ ig. 2C this zone 25 is shaded. ⁇ S, na ⁇ dyaschayasya in e ⁇ y z ⁇ ne ned ⁇ s ⁇ u ⁇ na for communication with the nearest even- ⁇ iem ⁇ ⁇ e ⁇ edayuschimi an ⁇ ennami BS ⁇ ⁇ s 4, 5 and ⁇ ⁇ 6.
- zagryaya ⁇ - illustrates the resultant value of the sharp distribution of the capacitance of the electromagnetic radiation in the cell from the transmitting antenna BS;
- 35 areas of electromagnet emission of prismatic transmitting antennas of a BS in a vertical cross section through a prismatic 1 1 BS transmitting antennas ⁇ 2 - ⁇ - ⁇ in case of occurrence of the “dead zone” ⁇ , resulting from a combination of high voltages, is, for example, neglected 5 ⁇ a ⁇ ig. 3 Certainly ⁇ Indicated: in principle, the minimum power level of the electromagnet emitting radiation is ⁇ “ - ” that is connected to the relevant communication systems, there is no connection.
- ⁇ a ⁇ ig. ZS is shown: the minimum level of the power of the electromagnetic radiation is ⁇ tep . > Allocated to relevant standards of radio communication systems, 25 required to ensure quality communication with the EU in the cell; ⁇ ivaya « ⁇ » illyus ⁇ i ⁇ ue ⁇ ⁇ as ⁇ edelenie m ⁇ schn ⁇ s ⁇ i ele ⁇ magni ⁇ n ⁇ g ⁇ radiation ⁇ iem ⁇ - ⁇ e ⁇ edayuschey an ⁇ enny ⁇ S in ⁇ m case ⁇ gda "me ⁇ vaya z ⁇ na» ⁇ ⁇ su ⁇ s ⁇ vue ⁇ , ⁇ ivaya "e” illyus ⁇ i ⁇ ue ⁇ ⁇ as ⁇ edelenie m ⁇ schn ⁇ s ⁇ i z ⁇ ele ⁇ magni ⁇ n ⁇ g ⁇ radiation ⁇ iem ⁇ - ⁇ e ⁇ edayuschey an ⁇ enny ⁇ S in ⁇ m case ⁇ gda ⁇ S na ⁇ di ⁇
- ⁇ a ⁇ ig. 4 shows an alternative version of the location of the cell, in the case when in real conditions there is a 5 mode of transferring the BS.
- ⁇ 04 ⁇ 7/26, ⁇ 04S ⁇ 7 / 36) ⁇ l ⁇ schad yachey ⁇ i ⁇ azbivayu ⁇ seven ⁇ blas ⁇ ey ⁇ bsluzhivaniya in They are designed to accommodate the transmitting antennas of BS ⁇ - ⁇ 7 , and to ensure that the entire area is protected by the power of the electromagnetic radiation.
- Each of the transmitting antennas of the BS has a limited resource for high-quality unattended service of the EU, for example 35 ° C.
- Service area of a broadcast-transmitting antenna BS ⁇ 7 30 of 50 C are located on a limited free area of the "Overnight" area. Due to a shortage of supplies, the BS- 7 transmitting antenna can not be serviced by more than fifteen times, and there are no more than thirty-one units.
- the main task of the invention was to create a means of organizing a radio interface and a base station for a commercially available communication system, which makes it possible to increase the volume of the system.
- P ⁇ s ⁇ avlennaya task ⁇ eshae ⁇ sya ⁇ em, ch ⁇ in s ⁇ s ⁇ be ⁇ ganizatsii ⁇ adi ⁇ in ⁇ e ⁇ eysa s ⁇ v ⁇ y sis ⁇ emy communication za ⁇ lyuchayuschemsya in ⁇ m, ch ⁇ ⁇ bsluzhivaemuyu sis ⁇ em ⁇ y communication ⁇ e ⁇ i ⁇ iyu ⁇ azbivayu ⁇ on yachey ⁇ i, w ⁇ imy ⁇ ayuschie d ⁇ ug ⁇ d ⁇ ugu in ⁇ azhd ⁇ y yachey ⁇ e ⁇ azmeschayu ⁇ apel ⁇ vuyu a station and mn ⁇ zhes ⁇ v ⁇ ⁇ iem ⁇ - ⁇ e ⁇ edayuschi ⁇ an ⁇ enn, ⁇ bes ⁇ echivayu ⁇ s ⁇ edinenie ⁇ iem ⁇ - Transmitting antennas
- P ⁇ s ⁇ avlennaya task ⁇ eshae ⁇ sya ⁇ a ⁇ zhe and ⁇ em, ch ⁇ in apel ⁇ v ⁇ y w s ⁇ antsii s ⁇ v ⁇ y sis ⁇ emy communication s ⁇ de ⁇ zhaschey b ⁇ iem ⁇ - ⁇ e ⁇ edayuschi ⁇ an ⁇ enn, bl ⁇ ⁇ azneseniya signal ⁇ v, bl ⁇ ⁇ bedineniya rays signal ⁇ v ⁇ S, bl ⁇ ⁇ tsen ⁇ i ⁇ anala, bl ⁇ ⁇ b ⁇ ab ⁇ i ⁇ inimaem ⁇ g ⁇ signal and ⁇ mi ⁇ vaniya signal ⁇ e ⁇ edachi, m ⁇ dulya ⁇ -usili ⁇ el and Signal separation, signal output, and input signal input
- the 15 process controls are connected to the first inputs of the channel evaluation unit, the second inputs of the channel are connected to the second outputs of the connection unit of the signals
- ⁇ ig. 2 ⁇ illustrates the volumetric image of the acoustics with the power of the electromagnetically emitted radiation of the transmitting antenna of the cell area, which is not connected
- 2C - shows the cross-sectional areas of equal power capacities of the electromagnetic radiation to the horizontal plane for the volumetric view, which is shown. 2 ⁇ , the case is shown when the “dead zone” ⁇ , formed due to the complex of high buildings, occurs in the cell.
- ⁇ a ⁇ ig. 4 Shown is the location of the UC, as it is known in the art, on the area of the cell, which is used for free of charge,
- Fig. 5B illyus ⁇ i ⁇ ue ⁇ ve ⁇ i ⁇ aln ⁇ e section ⁇ as ⁇ edeleniya m ⁇ schn ⁇ s ⁇ i ele ⁇ magni ⁇ n ⁇ g ⁇ radiation ⁇ iem ⁇ - ⁇ e ⁇ edayuschi ⁇ an ⁇ enn BSs ⁇ dyaschee che ⁇ ez ⁇ iem ⁇ - ⁇ e ⁇ edayuschie an ⁇ enny BS ⁇ 2 - ⁇ - ⁇ 5 ⁇ gda ⁇ iem ⁇ - ⁇ e ⁇ edayuschie an ⁇ enny BS ⁇ azmescheny ⁇ g ⁇ anitse yachey ⁇ i in tsen ⁇ e yachey ⁇ i and d ⁇ lni ⁇ eln ⁇ ⁇ him l ⁇ alny ⁇ z ⁇ the minimum capacitance of the electromagnetic radiation is located on the base of the transmitting antennas of the BS ⁇ 8 - ] 3 (that is, they are placed in such a way,
- ⁇ ig. 6B illyus ⁇ i ⁇ ue ⁇ ve ⁇ i ⁇ aln ⁇ e section ⁇ as ⁇ edeleniya m ⁇ schn ⁇ s ⁇ i ele ⁇ magni ⁇ n ⁇ g ⁇ radiation ⁇ iem ⁇ -th ⁇ e ⁇ edayuschi ⁇ an ⁇ enn BSs ⁇ dyaschee che ⁇ ez ⁇ iem ⁇ - ⁇ e ⁇ edayuschie an ⁇ enny BS ⁇ 7 - ⁇ 9 - ⁇ 2 - ⁇ 4.
- ⁇ ig. 6B explains the principle of transmitting the transmitting antenna ⁇ 7 if the transmitting antenna is turned on ⁇ 9 , which serves to improve the “increase”.
- ⁇ a ⁇ ig. 8 - a block of the invention, which is used in the claimed device, is carried out in the process of execution.
- Block 3 of 10 nodes] - 10 combining the beams of signals from the antenna and node 11 combining the signals of antennas, at this input 22 uzl ⁇ v 10 ⁇ - 10 s ⁇ bedineniya rays signal ⁇ v ⁇ S b an ⁇ enn ⁇ b ⁇ azuyu ⁇ ⁇ e ⁇ vye v ⁇ dy bl ⁇ a 3 v ⁇ ye v ⁇ dy uzl ⁇ v 10 ⁇ - 10 s ⁇ bedineniya rays signal ⁇ v ⁇ S b an ⁇ enn ⁇ b ⁇ azuyu ⁇ v ⁇ ye v ⁇ dy bl ⁇ a 3, b vy ⁇ d ⁇ v uzl ⁇ v 10 ⁇ - 10b ⁇ bedineniya rays signal ⁇ v ⁇ S b an ⁇ enn 5 connected to the inputs of the node 11 for combining the signals of the antennas and the second outputs of the block 3 are connected, the outputs of the node 11
- the output of the receiver 13 is connected to the input of the node 15 of the comparison with the output, the output of the channel of the output is connected to the output.
- the serviced communication system breaks up a process into cells that are adjacent to one another.
- Each cell accommodates a BS and multiple transmit antennas.
- the cells provide a soft, clear transmission when you place a subscriber station from the service center of a free-to-use base station
- the primary transmitting antenna of the BS ⁇ is located, for example, in the center of the cell,
- All BS transmit antennas ⁇ 2 - ⁇ 7 are located ⁇
- All transmitting antennas of BS ⁇ 8 - - ⁇ 3 - - are located in the local minimum of the power of the electromagnetic radiation.
- the distinctive feature of this unit is the location of the base transmitting antennas of the BS, which is well known for 5 technical solutions.
- the proposed approach reduces the interference between the UC and between adjacent cells and improves the communication quality of the UC due to the distant signal
- the numbers in the angular indicator of the United States are shown in the same service as the corresponding transmitting BS antennas.
- the shaded area located in the service area of the transmitter-transmitter antenna ⁇ 7 is the area of increased concentration of the “C”. 35
- the shaded area, located in the service area of the transmitter-receiver antenna ⁇ 5 is the “dead zone”.
- the unit connecting the ⁇ and ⁇ points is shown to prevent the EC from the service area of the one-time service unit, which is available to the other service unit
- the left-hand side of the display shows the service area diagram for the BS with transmitting antennas of the BS when transferring the SS from the point ⁇ to the point ⁇ ,
- optional BS-0 transmitting antenna ⁇ , 0 (for example, as shown in Fig. 6 ⁇ ).
- Each of the BS transmitting antennas ⁇ , - ⁇ 8 has a limited service for quality servicing of the simultaneous operating C, for example 35 ⁇ .
- Parameters of electromagnetic radiation from the transmitter-transmitter antenna BS ⁇ 9 select such a way, so that it can be used to operate the mobile stations in the open environment.
- the distribution method is based on the separation of the load between the transmit-transmit antenna BS ⁇ 7 and the transmit-transmit antenna BS 9 .
- the area of the electromagnet emitting radiation from the transmitting antenna of the BS CS Consequently 9 is chosen in such a way that it is in the mode of soft power transmission
- the signal that is emitted with each transmitting antenna of the BS provides a special signal.
- a group signal accepts the sum of signals intended for all subscriber stations operating in the service area
- Each EC has its own signal, which is the main signal to all other signals of the group signal.
- 25 different transmitting antennas of a BS can be achieved due to the practical separation of broadcasting antennas of a BS.
- transmission There are various types of transmission, that is, for example, a “hard” transmission and a “soft” transmission.
- 35 group of transmitting antennas of the BS where ⁇ the initial point, ⁇ , - the end point of the route of the passage of the station. Left is shown 31 ⁇ C Service Area Diagram with transmitting and transmitting BS antennas and when transferring the ⁇ C from point ⁇ to point ⁇ ,.
- the SC Due to the vision of the separation of the power of the electromagnetic radiation with direct transmitting antenna BS, inside the cell all the Cs in the 5th cell are under the same conditions. However, depending on the location in the cell, the SC has a contribution to its total input useful signal, which is different from the other ones that are insignificant.
- the frequency may be greater when the signal from the transmitting antenna is 6 . If you follow this, please note that through increased exposure, you will be provided with a transmit- ted antenna of 9 that is in use.
- 35 cells in another are similar, but the solution is to replace 32 of the transmitting antenna when moving the C from cell to cell, there is a contact BS.
- Each BS-1 transmitting antenna ⁇ - 1 emits a group signal, which is the fastest signal from the amount of signals received from the public service station.
- the main group signal at each transmitting antenna of the base station is generated by summing all the rays of the signal from all the stations in the room. ⁇ .e Magnetic field after each signal beam
- Block 2 Signal Separation may be different in different ways.
- Direct and indirect channels of unit 2 ensure a complete communication of devices, for example, by means of accidents
- Block 2 may carry out the function of the duplex, t. ⁇ .
- the inputs and outputs of unit 2 are connected to their corresponding transmitting antennas, and the transmitting antennas of the base station are transmitting and transmitting Provides full communication.
- the output signals from block 2 are sent to the first inputs of block 3 of the connection of the beams of signals of the EC and block 8 of the search for beams of signals.
- Block 8 Search for beams of signals, scanning the area of undetermined momentum, detects a signal
- Each EC which may consist of a few rays, in 34 groups of signals from each of the transmitting BS antennas 1
- ⁇ a ⁇ ig. 8 is shown when block 8 is searching for beams of signals
- the rays of the signals are emitted from the portable subscriber stations and the evaluation of their parameters is performed - temporary delays.
- the temporary arrears of the expected signals of the subscriber stations are evaluated in block 8 of the search for the beams of signals, and the temporal delays of the beams of the signals of the business arrears.
- the output signals from block 8 of the search for beams of signals of the EC (Fig. 7) are sent to the first inputs of the accelerating process 9.
- ⁇ nodes 10, - 10 beams of signals from the UC combine each of the transmitting antennas of the BS 1 ⁇ - 1 taking into account the phase and phase of the rays of the signals from ⁇ .
- the combination of the detected rays of the signals in the subscriber stations is performed by the following algorithm. 5 ⁇ a ⁇ ime ⁇ , ⁇ '- ⁇ aya ⁇ iem ⁇ - ⁇ e ⁇ edayuschaya an ⁇ enna ⁇ inyala ⁇ din ⁇ e ⁇ v ⁇ y ab ⁇ nen ⁇ s ⁇ y s ⁇ antsii beam, two beam signal-to ⁇ y ab ⁇ nen ⁇ s ⁇ y s ⁇ antsii 4 Light - / - ⁇ y ab ⁇ nen ⁇ s ⁇ y s ⁇ antsii.
- ⁇ -th node combining the rays of the signals in the subscriber stations 10; for each subscriber station, the beams of signals from this subscriber station are summed up taking into account temporary delays.
- a sum signal is generated for each subscriber station, in our example, which represents the total sum of signal beams: for a first subscriber, there is one signal subscriber station - the total value of four beams of signals.
- Block 11 combines the signal beams of the signals with all the transmitting antennas of the BS 1 ⁇ - 1_, generating an output sum signal, which receives a signal from the processor receiving a signal
- Block 5 demodulates the input signal and transmits it to a network of users.
- the signal from the user network which is addressed by the com- ponent EC, is sent through the direct inputs of block 5 to block 6, and the signal is transmitted for transmission.
- 35 process of 9 beams of signals, which are subject to a com- patible ⁇ , and will accept the command of operation of the separation of signal transmission, 36 It transmits to the second inputs of unit 7 of the control unit by transmitting the signal.
- Block 7 according to the signal received from block 4 of the command for the separation of the signal transmission, the signal is transmitted 5, the signal is transmitted to the amplifier 6
- the signal from the amplifying process 9 selects the best channels for the propagation of the rays of the signals of the EC, and there is transmission of the signal for the transmission of signals. You will receive a good signal from block 7 for each ECC in block 2 of the selected transmission channels to the corresponding BS transmitting antennas.
- the use of the invention allows the use of the maximum number of simultaneous operating subscribers.
- the minimum level of room for the neighboring cells is reached due to the orientation of the electromagnetic radiation inside the cells for the transmitting antenna of the base station, located close to
- the method of organizing a radio interface and a base station of a network communication system is intended for use in a radio communication system with a commercial channel separation (C ⁇ ).
- C ⁇ commercial channel separation
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
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Abstract
Cette invention relève du domaine de la radiotechnique et concerne en particulier un procédé d'organisation d'une interface radio et une station de base d'un système de communication cellulaire à accès multiple par répartition de code. Selon cette invention, on peut augmenter la protection contre les interférences et la capacité du système de communication et améliorer la qualité des informations reçues et transmises en sélectionnant l'emplacement des antennes émettrices-réceptrices de la station de base et l'orientation des diagrammes de direction ainsi que leur puissance de rayonnement électromagnétique de sorte qu'on obtienne la meilleure répartition uniforme possible de la puissance de rayonnement électromagnétique à l'intérieur d'une cellule, le niveau d'interférences le plus bas possible pour les cellules adjacentes et la meilleure répartition uniforme possible du nombre de stations d'abonnés entre les zones de couverture des différentes antennes émettrices-réceptrices de la station de base. Une communication est assurée entre les stations d'abonnés disposées sur le territoire de la cellule et la station de base qui dessert la cellule en question au moyen desdites antennes émettrices-réceptrices de la station de base dont la zone de couverture de la puissance de rayonnement électromagnétique couvre les stations d'abonnés correspondantes. Un transfert par relais est effectué au moyen des antennes émettrices-réceptrices de la station de base dont la zone de couverture couvre les stations d'abonnés correspondantes.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2000121689/09A RU2186465C2 (ru) | 2000-08-14 | 2000-08-14 | Способ организации радиоинтерфейса и базовая станция сотовой системы связи |
CNB028280644A CN100338891C (zh) | 2000-08-14 | 2002-02-12 | 组织无线电接口的方法以及一种蜂窝通信基站 |
PCT/RU2002/000043 WO2003069809A1 (fr) | 2000-08-14 | 2002-02-12 | Procede d'organisation d'une interface radio et station de base d'un systeme de communication cellulaire |
GB0418000A GB2401289B (en) | 2000-08-14 | 2002-02-12 | Mehthod of radio interface organization and base station in cellular communication system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2000121689/09A RU2186465C2 (ru) | 2000-08-14 | 2000-08-14 | Способ организации радиоинтерфейса и базовая станция сотовой системы связи |
PCT/RU2002/000043 WO2003069809A1 (fr) | 2000-08-14 | 2002-02-12 | Procede d'organisation d'une interface radio et station de base d'un systeme de communication cellulaire |
Publications (1)
Publication Number | Publication Date |
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WO2003069809A1 true WO2003069809A1 (fr) | 2003-08-21 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/RU2002/000043 WO2003069809A1 (fr) | 2000-08-14 | 2002-02-12 | Procede d'organisation d'une interface radio et station de base d'un systeme de communication cellulaire |
Country Status (4)
Country | Link |
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CN (1) | CN100338891C (fr) |
GB (1) | GB2401289B (fr) |
RU (1) | RU2186465C2 (fr) |
WO (1) | WO2003069809A1 (fr) |
Families Citing this family (11)
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US6993333B2 (en) | 2003-10-16 | 2006-01-31 | Flarion Technologies, Inc. | Methods and apparatus of improving inter-sector and/or inter-cell handoffs in a multi-carrier wireless communications system |
CA2556301C (fr) | 2004-03-05 | 2011-08-30 | Samsung Electronics Co., Ltd. | Appareil et procede pour transmettre/recevoir des signaux pilotes dans un systeme de communication utilisant le schema ofdm |
KR100739511B1 (ko) | 2004-06-25 | 2007-07-13 | 삼성전자주식회사 | 직교 주파수 분할 다중 방식을 사용하는 통신 시스템에서파일럿 신호 송수신 장치 및 방법 |
JP4449836B2 (ja) * | 2005-06-27 | 2010-04-14 | 日本電気株式会社 | 適応アンテナ送受信装置 |
US7933344B2 (en) * | 2006-04-25 | 2011-04-26 | Mircosoft Corporation | OFDMA based on cognitive radio |
JP4430052B2 (ja) * | 2006-06-19 | 2010-03-10 | 株式会社エヌ・ティ・ティ・ドコモ | 移動通信システム、ユーザ装置及び送信方法 |
US8588054B2 (en) | 2006-10-26 | 2013-11-19 | Qualcomm Incorporated | Silence intervals in wireless communications |
US8144793B2 (en) | 2006-12-12 | 2012-03-27 | Microsoft Corporation | Cognitive multi-user OFDMA |
WO2008096431A1 (fr) * | 2007-02-08 | 2008-08-14 | Fujitsu Limited | Station de base, système de communication mobile et procédé de communication de sélection de cellule |
CN101374311B (zh) * | 2007-08-20 | 2011-12-14 | 中国移动通信集团公司 | 一种移动通信小区交叉覆盖管理方法及装置 |
JP2011066874A (ja) * | 2009-08-17 | 2011-03-31 | Sony Corp | 通信システム、通信装置及び通信方法、並びにコンピューター・プログラム |
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- 2000-08-14 RU RU2000121689/09A patent/RU2186465C2/ru active
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2002
- 2002-02-12 WO PCT/RU2002/000043 patent/WO2003069809A1/fr active Application Filing
- 2002-02-12 CN CNB028280644A patent/CN100338891C/zh not_active Expired - Fee Related
- 2002-02-12 GB GB0418000A patent/GB2401289B/en not_active Expired - Fee Related
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US4901307A (en) * | 1986-10-17 | 1990-02-13 | Qualcomm, Inc. | Spread spectrum multiple access communication system using satellite or terrestrial repeaters |
RU2138131C1 (ru) * | 1993-09-30 | 1999-09-20 | Алкатель Стандард Электрика, С.А. | Фиксированная сотовая система связи и фиксированный сотовый терминал |
WO1995017798A2 (fr) * | 1993-12-21 | 1995-06-29 | Detecon Deutsche Telepost Consulting Gmbh | Circuit de commande de couverture radio dans un systeme de communication mobile, numerique et cellulaire |
RU2158489C2 (ru) * | 1995-01-31 | 2000-10-27 | Квэлкомм Инкорпорейтед | Концентрированная абонентская система для местной сети радиосвязи |
EP0817406A2 (fr) * | 1996-07-02 | 1998-01-07 | Matsushita Electric Industrial Co., Ltd. | Système de communication mobile avec disposition d'antennes améliorée |
Also Published As
Publication number | Publication date |
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GB0418000D0 (en) | 2004-09-15 |
CN100338891C (zh) | 2007-09-19 |
CN1620767A (zh) | 2005-05-25 |
GB2401289A (en) | 2004-11-03 |
RU2186465C2 (ru) | 2002-07-27 |
GB2401289B (en) | 2006-01-11 |
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