171 citations · 880 across the 49 of their papers we have counts for
3 papers · 1 filter
Cache Aided Wireless Networks: Tradeoffs between Storage and Latency
Avik Sengupta, Ravi Tandon, Osvaldo Simeone
We investigate the fundamental information theoretic limits of cache-aided wireless networks, in which edge nodes (or transmitters) are endowed with caches that can store popular c…
MISO Broadcast Channel with Hybrid CSIT: Beyond Two Users
Sina Lashgari, Ravi Tandon, Salman Avestimehr
We study the impact of heterogeneity of channel-state-information available at the transmitters (CSIT) on the capacity of broadcast channels with a multiple-antenna transmitter and…
Secure Degrees of Freedom Region of the Two-User MISO Broadcast Channel with Alternating CSIT
Pritam Mukherjee, Ravi Tandon, Sennur Ulukus
The two user multiple-input single-output (MISO) broadcast channel with confidential messages (BCCM) is studied in which the nature of channel state information at the transmitter…