公开(公告)号：WO1996016524A2

公开(公告)日：1996-05-30

申请号：PCT/US1995015298

申请日：1995-11-22

Applicant: QUALCOMM INCORPORATED

Inventor： QUALCOMM INCORPORATED ,  PADOVANI, Roberto ,  HAMDY, Walid ,  BAR-DAVID, Gil

IPC: H04Q07/38

CPC classification number: H04W36/30 ,  H04B1/707 ,  H04B7/2637

Abstract: An improved method and system for performing a pilot signal searching operation in anticipation of handoff in mobile station (18) communication between base stations (12, 14). The mobile station (18) maintains a list of Active Set pilot signals transmitted from base stations with which the mobile station is to communicate through, and a list of Neighbor Set pilot signals (N) from base stations within a predetermined proximity of the mobile station (18). The searching operation contemplates comparing pilot signal strength measurements corresponding to each base station entry within the Neighbor Set (N) to a first predetermined level. One or more entries from the Neighbor Set (N) having a base station signal strength measurement greater than the first predetermined level may be placed in the Pre-Candidate Set (PC). The strength of the pilot signals associated with entries in the Pre-Candidate Set (PC) are then further evaluated to determine eligibility within the Candidate Set (C), from which are selected the entries comprising the Active Set.

Abstract translation: 一种改进的方法和系统，用于执行导频信号搜索操作以预期基站（12,14）中的移动台（18）中的切换。 移动台（18）维护从移动台要与之进行通信的基站发送的活动集导频信号的列表，以及来自移动站的预定接近范围内的基站的邻居集导频信号（N）的列表 （18）。 搜索操作考虑将对应于相邻集（N）内的每个基站条目的导频信号强度测量值与第一预定电平进行比较。 来自具有大于第一预定水平的基站信号强度测量的相邻集合（N）的一个或多个条目可以被放置在预先考虑集合（PC）中。 然后进一步评估与候选集（PC）中的条目相关联的导频信号的强度，以确定候选集（C）中的资格，从中选择包括活动集的条目。

公开(公告)号：EP0793895B1

公开(公告)日：2002-06-05

申请号：EP95944040.5

申请日：1995-11-22

Applicant: QUALCOMM INCORPORATED

Inventor： PADOVANI, Roberto ,  HAMDY, Walid ,  BAR-DAVID, Gil

IPC: H04Q7/38

CPC classification number: H04W36/30 ,  H04B1/707 ,  H04B7/2637

公开(公告)号：EP0793895A2

公开(公告)日：1997-09-10

申请号：EP95944040.0

申请日：1995-11-22

Applicant: QUALCOMM INCORPORATED

Inventor： PADOVANI, Roberto ,  HAMDY, Walid ,  BAR-DAVID, Gil

IPC: H04J13 ,  H04B1 ,  H04B7 ,  H04W36

CPC classification number: H04W36/30 ,  H04B1/707 ,  H04B7/2637

Abstract: An improved method and system for performing a pilot signal searching operation in anticipation of handoff in mobile station (18) communication between base stations (12, 14). The mobile station (18) maintains a list of Active Set pilot signals transmitted from base stations with which the mobile station is to communicate through, and a list of Neighbor Set pilot signals (N) from base stations within a predetermined proximity of the mobile station (18). The searching operation contemplates comparing pilot signal strength measurements corresponding to each base station entry within the Neighbor Set (N) to a first predetermined level. One or more entries from the Neighbor Set (N) having a base station signal strength measurement greater than the first predetermined level may be placed in the Pre-Candidate Set (PC). The strength of the pilot signals associated with entries in the Pre-Candidate Set (PC) are then further evaluated to determine eligibility within the Candidate Set (C), from which are selected the entries comprising the Active Set.