1
Haemaelaeinen Jari, Honkasalo Zhi Chun, Jokinen Harri: (tdma) Air interface.. Nokia Mobile Phones, November 8, 1995: EP0681406-A1 (66 worldwide citation)

The invention relates to a system for transmitting packet data in the air interface of a digital cellular system based on TDMA, Time Division Multiple Access. The mobile terminated logical channels comprise information channels designated for transmitting information and control channels, which can ...


2
Alanara Seppo, Ranta Jukka, Pirila Hannu, Jokinen Harri: Mobile station having enhanced standby mode. Nokia Mobile Phones, December 10, 1997: EP0812119-A2 (58 worldwide citation)

When a mobile station (10) is in a DCCH camping state it monitors its assigned page frame. After making RSSI and possibly also Bit Error Rate/Word Error Rate (BER/WER) measurements the mobile station monitors the rate of change of the RSSI. If the rate of change is small and remains so, the mobile s ...


3
Hamalainen Jari, Karppanen Arto, Honkasalo Zhi Chun, Jokinen Harri, Ling Wang: A system for transmitting packet data in radio telephone tdma systems. Nokia Mobile Phones, December 13, 1995: EP0687078-A2 (55 worldwide citation)

The invention relates to a method for transmitting packet data in a cellular system. The number of time slots in a TDMA frame dedicated for packet transmission varies according to transmission needs and each logical channel consisting of corresponding time slots in consecutive TDMA frames is indepen ...


4
Malkamaki Esa, Jokinen Harri: Apparatus and method for call handover in a cellular radio system.. Nokia Mobile Phones, January 5, 1994: EP0577322-A1 (45 worldwide citation)

In preparation of a handover from base station BTS1 to base station BTS2 parallel physical links (R1,R2) are formed between the mobile station MS and the two base stations (BTS1,BTS2), whereby these base stations (BTS1,BTS2) transmit the same signal to the mobile station MS in different time slots a ...


5
Jokinen Harri, Jorri Sakari: Time measurement system.. Nokia Mobile Phones, March 9, 1994: EP0586256-A2 (40 worldwide citation)

A time measurement system for measuring time accurately with an inaccurate clock, in which two clock oscillators are compared and the momentary error of the slower clock oscillator is measured. When the error change rate of the slower clock oscillator is slow enough the fast clock oscillator can be ...


6
Nielsen Sari, Jokinen Harri: Improving intersystem cell reselection from geran to utran. Nokia Corporation, Nokia, Nielsen Sari, Jokinen Harri, MAGUIRE Francis J, December 22, 2005: WO/2005/122621 (28 worldwide citation)

This invention describes a method for a cell reselection by a mobile station from a serving GERAN cell supported by a GSM/EDGE (global system for mobile communications/enhanced data rates for GSM evolution) radio access network (GERAN) to a UTRAN cell supported by a universal terrestrial radio acces ...


7
Pekonen Johanna, Friman Leif, Jokinen Harri: Reporting cell measurement results in a cellular communication system. Nokia, July 10, 2002: EP1221273-A1 (25 worldwide citation)

The present invention relates to reporting cell measurement results associated with a plurality of cells of a cellular communication system. The reporting is transmitted from a station via a radio interface to receiver element of a cell serving the station. The cells are arranged in a reporting orde ...


8
Jokinen Harri, Malkamaeki Esa: A multiple access radio system.. Nokia Mobile Phones, January 11, 1995: EP0633671-A2 (23 worldwide citation)

The invention relates to a communication method for a digital cellular mobile telephone system and a digital cellular mobile telephone system comprising several base stations and mobiles utilizing time division multiple access. In the system communication is carried out on a predetermined frequency ...


9
Heikkila Ilkka, Jokinen Harri, Ranta Jukka: A signal quality detecting circuit and method for receivers in the gsm system.. Nokia Mobile Phones, April 12, 1995: EP0648032-A1 (16 worldwide citation)

The invention provides an improved method and apparatus for identifying a bad GSM speech frame. Both the estimated signal-to-noise ratio (ESNR) of the received signal and the pseudo bit error rate (PBER) of a recoded speech signal are used to determine whether or not a speech frame is bad.


10
Jokinen Harri: Method and device to measure the impulse response of a radio channel. Nokia Mobile Phones, March 13, 1996: EP0701334-A2 (15 worldwide citation)

The present invention relates to a method to measure the impulse response of a radio channel in a cellular radiotelephone system comprising several base stations and subscriber equipment, and where a radio connection comprising a radio channel can be established between a base station and a subscrib ...