1
Gopalakrishnan Nandu, Kadaba Srinivas R, Rudrapatna Ashok N, Sundaram Ganapathy Subramanian: Method to control uplink transmissions in a wireless communication system. Lucent Technologies, November 13, 2002: EP1257140-A1 (55 worldwide citation)

Efficient data communication in wireless communication system is provided by using centralized control of data communications, such as packet switched services, over the uplink channel (mobile station (MS) to base station (BS)). A multiple access protocol is used where packet data mobile stations ma ...


2
Gopalakrishnan Nandu, Hu Teck H, Khan Farooq Ullah, Kogiantis Achilles Georges, Monogioudis Pantelis, Sampath Ashwin: Downlink and uplink channel structures for downlink shared channel system. Lucent Technologies, May 22, 2002: EP1207635-A1 (33 worldwide citation)

An uplink and downlink channel structure supports a shared downlink data channel. The new structure accommodates advanced physical and Medium Access Control (MAC) layer techniques, such as incremental redundancy (IR), fast adaptation to channel conditions, and multiple input multiple output (MIMO) a ...


3
Zhang Wenfeng, Liu Jung Tao, Gopalakrishnan Nandu: Method for carrying downlink control information for an enhanced uplink dedicated channel. Lucent Technologies, May 12, 2004: EP1418786-A1 (26 worldwide citation)

A system and method for wireless communication includes multiplexing an EUDC downlink control channel so that it is transmitted like a downlink dedicated channel (DL-DPCH). The EUDC downlink control channel can be multiplexed with the DL-DPCH by code or by both code and time. The EUDC downlink contr ...


4
Gopalakrishnan Nandu: Methods for inter -cell interference coordination and power control. ALCATEL LUCENT USA, Jacobs Jeffrey K, July 28, 2011: WO/2011/090908 (25 worldwide citation)

The present invention provides a method involving a first base station serving a first cell. The first base station neighbors one or more second base stations that serve one or more second cells. The method includes boosting power transmitted by the first base station in a first sub-band of a freque ...


5
Gopalakrishnan Nandu, Joshi Niranjan Sudhir, Kadaba Srinivas R, Kogiantis Achilles George, Rudrapatna Ashok N, Sunay Mehmet Oguz, Sundaram Ganapathy Subramanian, Vitebsky Stanley: Method for integrating power-controlled transmission and rate-controlled transmission on same frequency carrier. Lucent Technol, May 24, 2002: JP2002-152849 (23 worldwide citation)

PROBLEM TO BE SOLVED: To disclose a method that uses transmission power information so as to decide a data rate thereby integrating a voice service and a data service on a same frequency channel in which the available transmission power information indicates an amount of transmission power available ...


6
Gopalakrishnan Nandu, Kogiantis Achilles George, Liu Jung Tao, Rudrapatna Ashok N, Sharma Naresh: Signal and control mechanism in mimoharq scheme for radio communication system. Lucent Technol, April 30, 2004: JP2004-135304 (23 worldwide citation)

PROBLEM TO BE SOLVED: To provide a method for transferring signal information of a communication system using an MIMO antenna system.SOLUTION: A forward link signal channel is provided for transferring a large quantity of information relatively via the communication system to effectively utilize the ...


7
Gopalakrishnan Nandu, Kadaba Srinivas R, Ullah Khan Farooq, Nanda Sanjiv, Sunay Mehmet Oguz, Sundaram Ganapathy Subramanian: Method for data rate selection in a wireless communication system. Lucent Technologies, June 12, 2002: EP1213868-A1 (21 worldwide citation)

Data rate determination is provided in a system where the available power fraction and available Walsh codes in each active leg are dynamically changing over time. This method adapts the rate (modulation and coding) based on the combined resource (power & code space) levels seen at each cell. The me ...


8
Gopalakrishnan Nandu, Hu Teck H, Khan Farooq Ullah, Kogiantis Achilles George, Monogioudis Pantelis, Sampath Ashwin: Transport channel multiplexing system and method. Lucent Technologies, May 22, 2002: EP1207647-A1 (14 worldwide citation)

A transport channel multiplexing system provides improved use of wireless resources in a shared data channel system. For example, the transport channel system reduces the amount of transport format information required for using a shared data channel, such as the actual number of packet data units i ...


9
Gopalakrishnan Nandu, Ramakrishna Sudhir, Sundaram Ganapathy Subramanian: A method for improving capacity of a reverse link channel in a wireless network. Lucent Technologies, September 8, 2004: EP1455549-A1 (11 worldwide citation)

The capacity of a reverse link is improved by realizing a scheme to effect sharp changes in pilot channel transmit power (PCTP) and data channel to pilot power ratio (DCPR), coordinated with the start of the data channel transmission. The change in pilot power and data channel to pilot power ratio i ...


10
Das Arnab, Gopalakrishnan Nandu, Khan Farooq Ullah: Method for transmitting signaling information over two channels. Lucent Technologies, April 9, 2003: EP1300978-A1 (11 worldwide citation)

A method for reliably transmitting signaling information is provided. One type of signaling information is transmitted over a primary control channel. The signaling information that is to be transmitted over the primary control channel is defined as a set of particular information. Other signaling i ...