English
Related papers

Related papers: Optimality of Simple Layered Superposition Coding …

200 papers

We study the generalized degrees-of-freedom (GDoF) of cellular networks under finite precision channel state information at the transmitters (CSIT). We consider downlink settings modeled by the interfering broadcast channel (IBC) under no…

Information Theory · Computer Science 2021-07-13 Hamdi Joudeh , Giuseppe Caire

For the $K=2$ user MISO BC, i.e., the wireless broadcast channel where a transmitter equipped with $K=2$ antennas sends independent messages to $K=2$ receivers each of which is equipped with a single antenna, the sum generalized degrees of…

Information Theory · Computer Science 2016-08-30 Arash Gholami Davoodi , Bofeng Yuan , Syed A. Jafar

In this contribution, we focus on a frequency domain two-user Multiple-Input-Single-Output Broadcast Channel (MISO BC) where the transmitter has imperfect and (un)matched Channel State Information (CSI) of the two users in two subbands. We…

Information Theory · Computer Science 2013-10-25 Chenxi Hao , Bruno Clerckx

We consider the cache-aided MISO broadcast channel (BC) in which a multi-antenna transmitter serves $K$ single-antenna receivers, each equipped with a cache memory. The transmitter has access to partial knowledge of the channel state…

Information Theory · Computer Science 2018-12-05 Enrico Piovano , Hamdi Joudeh , Bruno Clerckx

We consider the $K$-User Multiple-Input-Single-Output (MISO) Broadcast Channel (BC) where the transmitter, equipped with $M$ antennas, serves $K$ users, with $K \leq M$. The transmitter has access to a partial channel state information of…

Information Theory · Computer Science 2017-07-05 Enrico Piovano , Bruno Clerckx

We consider a $K$-user multiple-input single-output (MISO) broadcast channel (BC) where the channel state information (CSI) of user $i(i=1,2,\ldots,K)$ may be either instantaneously perfect (P), delayed (D) or not known (N) at the…

Information Theory · Computer Science 2015-03-04 Borzoo Rassouli , Chenxi Hao , Bruno Clerckx

An outer bound for the degrees of freedom (DoF) region of the K-user multiple-input single-output (MISO) broadcast channel (BC) is developed under the hybrid channel state information at transmitter (CSIT) model, in which the transmitter…

Information Theory · Computer Science 2013-12-05 Kaniska Mohanty , Mahesh K. Varanasi

We consider a $K$-user multiple-input single-output (MISO) broadcast channel (BC) where the channel state information (CSI) of user $i(i=1,2,\ldots,K)$ may be either perfect (P), delayed (D) or not known (N) at the transmitter with…

Information Theory · Computer Science 2013-11-27 Borzoo Rassouli , Chenxi Hao , Bruno Clerckx

The 3-user multiple-input single-output (MISO) broadcast channel (BC) with hybrid channel state information at the transmitter (CSIT) is considered. In this framework, there is perfect and instantaneous CSIT from a subset of users and…

Information Theory · Computer Science 2014-02-20 SaiDhiraj Amuru , Ravi Tandon , Shlomo Shamai

This contribution investigates the Degrees-of-Freedom region of a two-user frequency correlated Multiple-Input-Single-Output (MISO) Broadcast Channel (BC) with imperfect Channel State Information at the transmitter (CSIT). We assume that…

Information Theory · Computer Science 2013-10-25 Chenxi Hao , Borzoo Rassouli , Bruno Clerckx

Generalized Degrees of Freedom (GDoF) are characterized for the symmetric $K$-user Multiple Input Multiple Output (MIMO) Interference Channel (IC) under the assumption that the channel state information at the transmitters (CSIT) is limited…

Information Theory · Computer Science 2017-11-02 Arash Gholami Davoodi , Syed Ali Jafar

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 $k$ single-antenna receivers (MISO BC). In particular, we…

Information Theory · Computer Science 2016-11-17 Sina Lashgari , Ravi Tandon , Salman Avestimehr

We study the $K$-user, $M$-subchannel parallel multiple-input-single-output (MISO) broadcast channel (BC) under arbitrary levels of partial channel state information at the transmitter (CSIT). We show that the parallel subchannels…

Information Theory · Computer Science 2019-12-23 Hamdi Joudeh , Bruno Clerckx

In this paper, we study the achievable degrees-of-freedom (DoF) regions of the $K$-user multiple-input-single-output (MISO) time correlated broadcast channel (BC). The time correlation induces knowledge of the current channel state…

Information Theory · Computer Science 2014-12-03 Yi Luo , Tharmalingam Ratnarajah , Anastasios K. Papazafeiropoulos

The K-user multiple-input and multiple-output (MIMO) broadcast channel (BC) with no channel state information at the transmitter (CSIT) is considered, where each receiver is assumed to be equipped with reconfigurable antennas capable of…

Information Theory · Computer Science 2016-11-18 Minho Yang , Sang-Woon Jeon , Dong Ku Kim

In the setting of the time-selective two-user multiple-input single-output (MISO) broadcast channel (BC), recent work by Tandon et al. considered the case where - in the presence of error-free delayed channel state information at the…

Information Theory · Computer Science 2013-03-19 Jinyuan Chen , Petros Elia

The degrees of freedom (DoF) of the two-user multiple-input single-output (MISO) broadcast channel (BC) are studied under the assumption that the form, I_i, i=1,2, of the channel state information at the transmitter (CSIT) for each user's…

Information Theory · Computer Science 2012-08-28 Ravi Tandon , Syed A. Jafar , Shlomo Shamai , H. Vincent Poor

We consider a $K$-user multiple-input single-output (MISO) broadcast channel (BC) where the channel state information (CSI) of user $i(i=1,2,\ldots,K)$ may be instantaneously perfect (P), delayed (D) or not known (N) at the transmitter with…

Information Theory · Computer Science 2016-01-28 Borzoo Rassouli , Chenxi Hao , Bruno Clerckx

We focus on a two-receiver Multiple-Input-Multiple-Output (MIMO) Broadcast Channel (BC) and Interference Channel (IC) with an arbitrary number of antennas at each node. We assume an imperfect knowledge of local Channel State Information at…

Information Theory · Computer Science 2017-06-06 Chenxi Hao , Borzoo Rassouli , Bruno Clerckx

This work considers the multiuser multiple-input single-output (MISO) broadcast channel (BC), where a transmitter with M antennas transmits information to K single-antenna users, and where - as expected - the quality and timeliness of…

Information Theory · Computer Science 2013-02-05 Jinyuan Chen , Sheng Yang , Petros Elia
‹ Prev 1 2 3 10 Next ›