公开(公告)号：NO20023776A

公开(公告)日：2002-08-09

申请号：NO20023776

申请日：2002-08-09

Applicant: QUALCOMM INC

Inventor： JOU YU-CHEUN ,  WANG JUN ,  REZAIIFAR RAMIN ,  ACHOUR BAAZIZ ,  CHEN TAO

IPC: H04B7/26 ,  H04B7/005 ,  H04W36/18 ,  H04W36/30 ,  H04Q

CPC classification number: H04W36/30 ,  H04W36/18

公开(公告)号：NO20021208L

公开(公告)日：2002-05-03

申请号：NO20021208

申请日：2002-03-12

Applicant: QUALCOMM INC

Inventor： REZAIIFAR RAMIN ,  ABROL NISCHAL ,  LEUNG NIKOLAI ,  LUNDBY STEIN S

IPC: H04L12/861 ,  H04L29/06 ,  H04L1/18 ,  H04L29/08 ,  H04Q7/38 ,  H04L12/00

Abstract: The present invention is a novel and improved method and system that prevents RLP3E from generating unnecessary NAKs, thus preventing unnecessary data frame retransmissions. The present invention is efficient, neither delaying the delivery of data frames to the higher data services layer nor delaying the delivery of necessary NAKs to the multiplex sublayer. Additionally, the present invention can be implemented with minimal changes to an existing RLP3E implementation. The present invention is applicable to systems such as cdma2000, W-CDMA, and EDGE, wherein data is transferred using an ARQ (automatic request for retransmission) mechanism, and wherein data packets are sometimes received in an order different from that in which they were transmitted.

公开(公告)号：NO20021504D0

公开(公告)日：2002-03-26

申请号：NO20021504

申请日：2002-03-26

Applicant: QUALCOMM INC

Inventor： REZAIIFAR RAMIN ,  QUICK JR ROY FRANKLIN ,  WILLIAMSON PAUL ,  WANG JUN ,  TIEDEMANN JR EDWARD G

IPC: H04L9/08 ,  G06F1/04 ,  G06F1/06 ,  G06F1/08 ,  G06F1/12 ,  G06F13/42 ,  G06F21/00 ,  H04K1/00 ,  H04L1/00 ,  H04L5/00 ,  H04L7/00 ,  H04L9/00 ,  H04L9/12 ,  H04L9/18 ,  H04L9/32 ,  H04L12/22 ,  H04L29/06 ,  H04Q7/38 ,  H04W12/00 ,  H04W12/02 ,  H04W12/06 ,  H04W12/10 ,  H04W12/12 ,  H04L

Abstract: Method and apparatus for encrypting transmission traffic at separate protocol layers L1, L2, and L3 so that separate encryption elements can be assigned to separate types of transmission traffic, which allows the implementation of different levels of encryption according to service requirements. Encryption elements use variable value inputs, called crypto-syncs, along with semi-permanent encryption keys to protect from replay attacks from rogue mobile stations. Since crypto-sync values vary, a method for synchronizing crypto-syncs at the mobile station and base station is also presented.

公开(公告)号：NO20021208D0

公开(公告)日：2002-03-12

申请号：NO20021208

申请日：2002-03-12

Applicant: QUALCOMM INC

Inventor： REZAIIFAR RAMIN ,  ABROL NISCHAL ,  LEUNG NIKOLAI ,  LUNDBY STEIN S

IPC: H04L12/861 ,  H04L1/18 ,  H04L29/06 ,  H04L29/08 ,  H04Q7/38 ,  H04L

Abstract: The present invention is a novel and improved method and system that prevents RLP3E from generating unnecessary NAKs, thus preventing unnecessary data frame retransmissions. The present invention is efficient, neither delaying the delivery of data frames to the higher data services layer nor delaying the delivery of necessary NAKs to the multiplex sublayer. Additionally, the present invention can be implemented with minimal changes to an existing RLP3E implementation. The present invention is applicable to systems such as cdma2000, W-CDMA, and EDGE, wherein data is transferred using an ARQ (automatic request for retransmission) mechanism, and wherein data packets are sometimes received in an order different from that in which they were transmitted.

公开(公告)号：AU6985301A

公开(公告)日：2001-12-24

申请号：AU6985301

申请日：2001-06-13

Applicant: QUALCOMM INC

Inventor： BENDER PAUL E ,  REZAIIFAR RAMIN

IPC: H04W88/18 ,  H04Q7/22

Abstract: Techniques to forward unsolicited messages from an (IS-2000) CDMA radio network via an HDR radio network to an access terminal. A session is first established between the access terminal and the HDR radio network. During session establishment or thereafter, the access terminal indicates to the HDR radio network an interest in receiving unsolicited messages from the CDMA radio network. The access terminal typically also registers with the CDMA radio network. Thereafter, unsolicited messages can be sent from a mobile station controller (MSC) to the HDR and CDMA radio networks, or sent from the MSC to the CDMA radio network, which then forwards the messages to the HDR radio network. The HDR radio network encapsulates the unsolicited messages and sends the encapsulated messages to the access terminal. The forwarding of unsolicited messages allows the CDMA radio network to communicate with an access terminal.

公开(公告)号：HK1035279A1

公开(公告)日：2001-11-16

申请号：HK01105925

申请日：2001-08-22

Applicant: QUALCOMM INC

Inventor： REZAIIFAR RAMIN ,  LEUNG NIKOLAI K N

IPC: H04L1/16 ,  H04L1/18 ,  H04L12/28 ,  H04L29/02 ,  H04L29/06 ,  H04L29/08 ,  H04L

Abstract: A method for detecting delayed data frames in a transport function includes the steps of comparing a frame sequence counter with a predetermined threshold value, detecting a delayed frame if the sequence counter exceeds the threshold value, and processing the detected delayed frame accordingly. In an RLP data transport protocol, the delayed frame may be processed as a retransmitted frame. The threshold value may be proportional to the maximum number of frames sent in a given bundle times the maximum delay, in units of frame intervals, between frames sent simultaneously over the air in the same frame interval.

公开(公告)号：BR9910521A

公开(公告)日：2001-09-04

申请号：BR9910521

申请日：1999-05-19

Applicant: QUALCOMM INC

Inventor： REZAIIFAR RAMIN ,  LEUNG NIKOLAI K N

IPC: H04L1/16 ,  H04L1/18 ,  H04L12/28 ,  H04L29/02 ,  H04L29/06 ,  H04L29/08

Abstract: A method for detecting delayed data frames in a transport function includes the steps of comparing a frame sequence counter with a predetermined threshold value, detecting a delayed frame if the sequence counter exceeds the threshold value, and processing the detected delayed frame accordingly. In an RLP data transport protocol, the delayed frame may be processed as a retransmitted frame. The threshold value may be proportional to the maximum number of frames sent in a given bundle times the maximum delay, in units of frame intervals, between frames sent simultaneously over the air in the same frame interval.

公开(公告)号：CA2396838A1

公开(公告)日：2001-08-02

申请号：CA2396838

申请日：2001-01-26

Applicant: QUALCOMM INC

Inventor： ABROL NISCHAL ,  HSU RAYMOND TAH-SHENG ,  REZAIIFAR RAMIN

IPC: H04W36/12 ,  H04L12/28 ,  H04L29/06 ,  H04W8/26 ,  H04W36/00 ,  H04W76/04 ,  H04W88/00 ,  H04L12/56 ,  H04Q7/22 ,  H04Q7/38

Abstract: A method and apparatus for requesting PPP instances from a packet data services network includes a mobile station configured to send an origination message to a packet data service node (PDSN) at which it has arrived upon leaving the vicinity of another PDSN. The message informs the new PDSN of th e new location of the mobile station and indicates both the number of dormant PPP instances associated with the mobile station and a service reference identifier for each such PPP instance. A flag within the message may be used to indicate whether the PPP instances are dormant (i.e., whether the mobile station is engaged in a call). Communications channel resources of packet da ta services nodes are optimized by reducing the information included in message s from the Packet Control Function network element to the Packet Data Service Node network element, and by reducing the use of Mobile Internet Protocol agent advertisement.

公开(公告)号：BR9812317A

公开(公告)日：2000-08-29

申请号：BR9812317

申请日：1998-09-16

Applicant: QUALCOMM INC

Inventor： REZAIIFAR RAMIN

IPC: E06C1/32 ,  E06C7/08 ,  E06C7/46 ,  E06C7/48 ,  H04B7/185 ,  H04B7/26 ,  H04J1/00 ,  H04W36/18 ,  H04W48/12 ,  H04W52/02 ,  H04W72/04 ,  H04W72/12 ,  H04W76/04 ,  H04Q7/38

Abstract: In a channel structure for use in communication systems, two sets of physical channels, one for the forward link (50) and another for the reverse link (52), are utilized to facilitate communication of a variety of logical channels. The physical channels comprise data and control channels. In the exemplary embodiment, the data channels comprise fundamental channels which are used to transmit voice traffic, data traffic, high speed data, and other overhead information and supplemental channels which are used to transmit high speed data. The fundamental channels can be released when the remote stations are idle to more fully utilize the available capacity. The control channels are used to transmit paging and control messages and scheduling information.

公开(公告)号：NO996238L

公开(公告)日：2000-02-16

申请号：NO996238

申请日：1999-12-16

Applicant: QUALCOMM INC

Inventor： REZAIIFAR RAMIN ,  TIEDEMANN JR EDWARD G ,  BENDER PAUL E ,  TOMCIK JAMES D

IPC: H04L1/16 ,  H04L1/18 ,  H04L

Abstract: A method and system for transmitting digital data by extending the sequence numbering range for a selective repeat transmission protocol are described. In accordance with one embodiment of the invention, data frames (70) are transmitted including an eight-bit sequence number (72) and a one-bit retransmit flag (74). The one-bit retransmit flag (74) indicates whether the frame is newly transmitted or retransmitted due to a failed first transmission. Transmit (50) and receive (52) systems each maintain a twelve-bit sequence number referred to as a "long sequence number" comprised of the eight-bit sequence number transmitted with each frame and a four-bit extension. The long sequence number is transmitted within a control frame (82) and the eight-bit sequence number is transmitted within the data frame (72).