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公开(公告)号：FR2736228B1
公开(公告)日：2004-07-16
申请号：FR9607615
申请日：1996-06-19
Applicant: MOTOROLA INC
Inventor： GHOSH AMITAVA , ROHANI KAMYAR
Abstract: A transmitter transmits the desired signal using a continuous duty cycle at transmission rates of less than full rate (FIG. 6 ). The energy used in each power control group is related to the transmission rate. By repeating the power control groups, time division diversity (FIG. 6 ) is provided. In the receiver, the received power control groups are analyzed and compared to several levels of energy thresholds (73, 75, 77, 79). The results of the comparisons are converted into a power control signal (74, 76, 78, 80, 81) and returned to the mobile. The mobiles are capable of selecting the appropriate bit (93) and adjusting their power (94). Alternatively, an indicator of the transmission rate can be forwarded (155) in advance of the frame. The receiver compares a power estimate with the threshold for the transmission rate indicated (166).
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公开(公告)号：CA2310655C
公开(公告)日：2003-07-01
申请号：CA2310655
申请日：1998-10-27
Applicant: MOTOROLA INC
Inventor： ROHANI KAMYAR
Abstract: A communication system provides wireless communication in a coverage area and includes a base station (100) and a mobile station (290). The base station (100) has a plurality of sectors (210, 220, 230, 240, 250, 260) where a corresponding plurality of pilot signals (212, 222, 232, 242, 252, 262) are transmitted. A sector (210) transmits a forward link signal (211) for communicating to the mobile station (290). The mobile station (290) transmits a reverse link signal (215) and a message signal including a list of a plurality of candidate sectors for a soft hand-off routine. A method and apparatus of determining the candidate list includes measuring reverse link signal (215) which are received at said plurality of sectors. Then, comparing reverse link signal level received at sector (210) to the reverse link signal levels received at all other sectors of said plurality of sectors (210, 220, 230, 240, 250, 260). Finally, the candidate list is determined according to a result of comparing the reverse link signal levels.
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公开(公告)号：CA2336947A1
公开(公告)日：2000-01-20
申请号：CA2336947
申请日：1999-06-22
Applicant: MOTOROLA INC
Inventor： AHMED MANSOOR , ROHANI KAMYAR
Abstract: In a transceiver in a wireless communications system, data is transmitted fr om the transceiver to subscriber units, wherein each subscriber unit has a requested transmit power and an allocated transmit power, and wherein the allocated transmit power is based upon the requested transmit power. A reque st for an additional power allocation (200) is detected, wherein such additiona l allocation causes a total requested power to exceed a maximum transceiver power (220). In response, allocated transmit power is limited for a minimum number of selected subscriber units (222) needed to reduce a total transceiv er transmit power below the maximum transceiver power (220).
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公开(公告)号：CA2310655A1
公开(公告)日：1999-06-03
申请号：CA2310655
申请日：1998-10-27
Applicant: MOTOROLA INC
Inventor： ROHANI KAMYAR
Abstract: A communication system provides wireless communication in a coverage area and includes a base station (100) and a mobile station (290). The base station (100) has a plurality of sectors (210, 220, 230, 240, 250, 260) where a corresponding plurality of pilot signals (212, 222, 232, 242, 252, 262) are transmitted. A sector (210) transmits a forward link signal (211) for communicating to the mobile station (290). The mobile station (290) transmits a reverse link signal (215) and a message signal including a list of a plurality of candidate sectors for a soft hand-off routine. A method and apparatus of determining the candidate list includes measuring reverse link signal (215) which are received at said plurality of sectors. Then, comparing reverse link signal level received at sector (210) to the reverse link signal levels received at all other sectors of said plurality of sectors (210, 220, 230, 240, 250, 260). Finally, the candidate list is determined according to a result of comparing the reverse link signal levels.
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公开(公告)号：BR9606418A
公开(公告)日：1997-09-02
申请号：BR9606418
申请日：1996-05-10
Applicant: MOTOROLA INC
Inventor： GHOSH AMITAVA , ROHANI KAMYAR
Abstract: A transmitter transmits the desired signal using a continuous duty cycle at transmission rates of less than full rate (FIG. 6 ). The energy used in each power control group is related to the transmission rate. By repeating the power control groups, time division diversity (FIG. 6 ) is provided. In the receiver, the received power control groups are analyzed and compared to several levels of energy thresholds (73, 75, 77, 79). The results of the comparisons are converted into a power control signal (74, 76, 78, 80, 81) and returned to the mobile. The mobiles are capable of selecting the appropriate bit (93) and adjusting their power (94). Alternatively, an indicator of the transmission rate can be forwarded (155) in advance of the frame. The receiver compares a power estimate with the threshold for the transmission rate indicated (166).
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Patent Agency Ranking
公开(公告)号：SE9700287L
公开(公告)日：1997-04-30
申请号：SE9700287
申请日：1997-01-31
Applicant: MOTOROLA INC
Inventor： GHOSH AMITAVA , ROHANI KAMYAR
Abstract: A transmitter transmits the desired signal using a continuous duty cycle at transmission rates of less than full rate (FIG. 6 ). The energy used in each power control group is related to the transmission rate. By repeating the power control groups, time division diversity (FIG. 6 ) is provided. In the receiver, the received power control groups are analyzed and compared to several levels of energy thresholds (73, 75, 77, 79). The results of the comparisons are converted into a power control signal (74, 76, 78, 80, 81) and returned to the mobile. The mobiles are capable of selecting the appropriate bit (93) and adjusting their power (94). Alternatively, an indicator of the transmission rate can be forwarded (155) in advance of the frame. The receiver compares a power estimate with the threshold for the transmission rate indicated (166).
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7.发明公开METHOD AND SYSTEM FOR ALLOCATING TRANSMIT POWER TO SUBSCRIBER UNITS IN A WIRELESS COMMUNICATIONS SYSTEM 有权方法和系统发射功率在无线器件NEWS系统分配
公开(公告)号：EP1097518A4
公开(公告)日：2004-06-23
申请号：EP99931851
申请日：1999-06-22
Applicant: MOTOROLA INC
Inventor： ROHANI KAMYAR , AHMED MANSOOR
CPC classification number: H04W52/283 , H04W52/281 , H04W52/343 , H04W52/346
Abstract: In a transceiver in a wireless communications system, data is transmitted from the transceiver to subscriber units, wherein each subscriber unit has a requested transmit power and an allocated transmit power, and wherein the allocated transmit power is based upon the requested transmit power. A request for an additional power allocation (200) is detected, wherein such additional allocation causes a total requested power to exceed a maximum transceiver power (220). In response, allocated transmit power is limited for a minimum number of selected subscriber units (222) needed to reduce a total transceiver transmit power below the maximum transceiver power (220).
Abstract translation: 在无线通信系统中的收发器，数据是从收发器到用户单元，worin具有所请求的发射功率和发射分配给功率，并且worin的分配的发射功率是基于所述请求的发射功率每个用户单元的反式mitted。 一种用于在额外的功率分配请求被检测到，worin寻求额外分配导致总的所请求的功率超过最大功率收发器。 作为响应，分配的发射功率被限制为，以减少低于最大功率收发器总收发器的发射功率需要选择用户单元的最小数目。
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公开(公告)号：AT462237T
公开(公告)日：2010-04-15
申请号：AT03724400
申请日：2003-05-05
Applicant: MOTOROLA INC
Inventor： AHMED MANSOOR , ROHANI KAMYAR , LAIRD KEVIN M
Abstract: A method 600 of selecting an ARQ method for retransmitting a data frame based on an accumulated signal to noise ratio (SNR) of systematic bits in the data frame at a receiving unit 508. The sending unit 500 tracks the accumulated SNR of systematic bits by using channel SNR measurement reports sent by the receiving unit 508. The method utilizes Chase combining of re-transmitted systematic bits (via Partial incremental redundancy transmissions) until the accumulated SNR of the systematic bits has reached a suitable value, and then switches to sending only parity bits (via Full incremental redundancy) in retransmissions. In addition, the method alters the allocation of resources, such as code power, to provide only that necessary for successful decoding of the transmitted frame. The sending unit 500 informs the receiving unit 508 of the type of transmission, number of the transmission and/or resource allocation associated with the data frame.
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公开(公告)号：DE69841221D1
公开(公告)日：2009-11-19
申请号：DE69841221
申请日：1998-07-17
Applicant: MOTOROLA INC
Inventor： KOTZIN MICHAEL D , ROHANI KAMYAR , ROZANSKI WALTER J
Abstract: Orthogonal transmit diversity is implemented by employing a data splitter (803) to subdivide channel information (801) into at least a first portion of bits (802) and a second portion of bits (804). Each portion is spread with its own Walsh code for eventual transmission to a mobile station via a predetermined carrier frequency. When the number of bits in the first and second portion (802, 804) are small, separate Walsh codes are used to maintain orthogonality. When the number of bits in the first and second portion (802, 804) are relatively large, a time-division multiplex transmission is used to maintain orthogonality. A controller (809) controls the subdivision of the channel information and also an interleaver (308) to further enhance the effects of the diversity transmission. Control information related to the subdivision is transmitted to the mobile station so the channel information can be accurately reconstructed prior to decoding.
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公开(公告)号：DE69940402D1
公开(公告)日：2009-03-26
申请号：DE69940402
申请日：1999-06-22
Applicant: MOTOROLA INC
Inventor： ROHANI KAMYAR , AHMED MANSOOR
Abstract: In a transceiver in a wireless communications system, data is transmitted from the transceiver to subscriber units, wherein each subscriber unit has a requested transmit power and an allocated transmit power, and wherein the allocated transmit power is based upon the requested transmit power. A request for an additional power allocation is detected, wherein such additional allocation causes a total requested power to exceed a maximum transceiver power. In response, allocated transmit power is limited for a minimum number of selected subscriber units needed to reduce a total transceiver transmit power below the maximum transceiver power.
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